flange thickness is 0.059" + 0.002" -0.018. max depth of the flange is 0.066 (1.68 mm), back to back gauge is 1.575" +.019, -.015, or a minimum of 1.560" and a maximum of 1.594", stick with the NMRA "standard" standards, 3.2 and 4.2. Standard Steel currently manufactures a variety of types and sizes . . I want a "workable" set of 1:29 scale standards, that improve the quality of operation, and have some chance of being used on current production 1:29 rolling stock. You also have the option to opt-out of these cookies. I will focus on the back to back specification, and only in the Hi-Rail standards as the new standard has another improvement in it that makes a lot of sense: In the new approved 1/2015 S-4.2 "Standard" standard: click here for the 4.2 standard (Note that the large scale standards are on the last 2 pages), In the new approved 2/2010 S-4.3 (old "Hi-Rail") standard "wheels with deep flanges": click here for the 4.3 standard (Note that the large scale standards are on the last 2 pages). On average, you will find that standard cars and trucks range from 10-feet to 18-feet in length. S-10 rears are about 57 1/2 wheel to wheel, like most Fords of the 50s, 60s, and these all fit well from the 30s cars right on up. The early 2009 standard has a specification of 0.104", with a tolerance of - 0.002 and + 0.007 ( 0.102 to 0.11 ) much more reasonable in my opinion, and keeps the 3mm minimum flange depth. I think most people (and manufacturers) will use the old "Hi-Rail" standard 2/2010 "Deep Flanges" standard - S-3.3 - for deep flanges. The track width has to be determined first for determining the suspension hard points and geome. so in most switches (except wyes and 3 way switches) one "path" is straight and one curved. Rack and pinion unit mounted in the cockpit of an Ariel Atom sports car chassis. I'll only include the "WHEELS AXLES AND TRACK, STANDARD GAUGE 1", as the fine scale standards are not applicable here. Switch point spread - detailed in the document. (1) U.S. track gauge based on UK track gauge. The flange depth of under 2mm is nuts, run 2 to just short of 3 mm flange depth, too many of our locos do not have adequate suspensions. Vehicle dimensions with DOMINATOR tracks installed. Before we go there, some explanation is necessary. The standards are organized in sort of a top-down approach, so I start with the most basic and overall standards, and then go "down" in increasing level of detail. This needs further research, but this sloppy spec is the #1 cause of wheel flanges hitting the frog. A track width . Hoo boy, that's an endless debate! This is very popular in the areas outside of the US and England. wheel base (the distance between the front and the rear wheels) has to be larger than 200 mm and the track width (the distance between two wheels on the same axle) has to be larger than 160 mm. Dimension B is the measurement from outside of track to outside of track. We are reliant upon outside agencies Don't use it, use calipers to get to 0.106" or even less. Ford cars over the years used the same rear end width, wheel to wheel, and advertised track width varied from -1 inch to +2 inches. True. I would file down the Aristo gauge to make it usable. 7. I'm disappointed by this, so my opinion is to follow the target values for the "standard" standards, not the proto/fine and not the deep flange standards. Others are concerned whether a tracked vehicle will fit on their trails or in between their crop rows for agricultural use. Some of the stuff I have done has fallen around a 1.6 wheelbase to track ratio which is about in the middle of DUMPs range. The cookie is used to store the user consent for the cookies in the category "Performance". Obviously what has happened is to set a "target" properly, but "Grandfather in" the existing manufacturer's toy like switches. Use it, it's only .002 deeper than the minimum spec, and you really do not want your flanges riding on the frog. Some might confuse it with axle track, which is the distance between the hub flanges on an axle. There are a wide variety of sedan sizes, from economy to full-size. public databases. The vast majority of any car's interior sits between the wheels, so a car with a long wheelbase will tend to have a more spacious interior . I use it's min/max feature to set my wheels. Whats the difference between wheel base and track width? Maximum width: 84 inches, including mirrors. There are no industry standard wheelbase sizes, but a typical city car might have a wheelbase of 2,430mm, while a family hatchback could have a 2,700mm wheelbase, and a large SUV's might be 2,980mm. Here is the root web page for all of their standards: https://www.morop.eu/index.php/de/ so you have to stay in German to navigate to the standards pages, if you are in English, all you get is a page of apology for not translating them sheesh, how long does this take? We are happy to help you find whatever dimensions you need. Best thing to do is carry a tape measure with you and measure everything that you see untill you come up with one that will work. The part where the tracks "cross" each other is called the "frog". 2.69 to 3.33 (0.106" - 0.131") NMRA standard S-3.3 (only for flangeways on wing rails (frog), and only if for "G" only, designed to accomodate older G scale, and wheelsets with a back-to-back of 1.542", and you can no longer run #1 scale wheelsets). Honestly it's really not useful for these functions except to tell you if you are WAY out. Never go to the maximum unless you want to use G1MRA standards, just make sure the wheels are plenty loose on the Minimum part of the gauge, and just start to "climb" over the Maximum part of the gauge. Increasing the front more will lead to more oversteer which we already have a heaping helping of in our cars. The average width of a midsize vehicle is about 6 to 6.5 feet long. Length: 20', 21', 22' Capacity: 12,000 lbs; Width: 96", 102" Steel - Conventional or dual angle - 3/16" diamond or smooth decking - Fixed or removable tubular side rails - Removable blade side rails. Thankfully H.J. There's also some variation in the gauges I have measured. In the case of a three wheel vehicle (LB or LE) or a motor cycle with a side car (LD), the maximum width must not exceed 1,850 mm. Also there is an error in the standard. We have been working to compile an extensive chart to detail this information. Aristo gauge 0.097" NMRA standard S-3.3 0.100" G1MRA (Note target is 0.120"). It's 1.063" for 1:29 & 1:32. In the hobby, we represent this by saying:"code xxx" where xxx is height in thousandths of an inch, for example code 332 is 0.332 inches tall. OK, so maybe all of this is boring so far, but there is some relevance here: the scale you use can affect the standards you follow. I've also checked out the Kadee coupler height gauge, since it has a wheel and track gauge incorporated. In the prototype, i.e. Was wondering if an S10 4X4 would work, have a line on an 1988 model. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". These cookies will be stored in your browser only with your consent. Use it as a rough check only. Wondering if S10 frames would be ok. What has happened (as in many scales) is that with the track generally available in one physical gauge, you can use the same track gauge to represent different scales. Dimensions will be listed left to right as wb/ft/rt followed by the year, make and model of the vehicle. By clicking Accept All, you consent to the use of ALL the cookies. Well, both standards say flangeway depth is 3mm minimum, the SAME, NOT changed. Measure across the tires on one axle from the outside of the tread on one tire to the inside of the tread on the tire on the other side of the vehicle, using a tape measure. By calculating from the other specs, the flangeway width (on the stock rails) should be .097 min, .112 max for the guardrail width (on stock rails), but I would stick to 0.106 maximum. (what sense does this make with a 3 mm MINIMUM flangeway? This is a favorite standard for people in England, and many narrow gauge modelers here in the US. Rear track being wider than front track will make the car turn in better. 2mm deep flanges are tough enough, don't try 1.68mm. Hotrodding is much more than just owning a hotrodIt is a state of mind! Thanks for the reply and the web site has a lot of good info. This is the first combination gauge available, so I relate the Aristo gauge to the standards below to see if it could be a workable tool. While most U.S. railroads were designed by U.S. engineers, not British expatriates, a number of early lines were built to fit standard-gauge locomotives manufactured by English railroad pioneer George Stephenson. The standards approved are still sloppy and have too much slop in them to grandfather older equipment and poorly manufactured equipment. This means there has to be some "reasonable" route to make Aristo, USAT, Bachmann, and other 1:29 stuff conform to the standard, also track, especially turnouts. But different scales require different size and spacing of ties, and different rail "height", representing the different "weight" of the rail in the prototype which was sized to the weight of rolling stock and usage. New, and gives the coupler height and tolerance for various scales. I set everything to an exact value, rather than see if I am in range. It measures 8.7 feet wide, not including the mirrors. (Yuck). Analytical cookies are used to understand how visitors interact with the website. This comes out to about 1.587". Picture kids removing their bicycle from the garage and allow enough space between vehicles to avoid a scratched car. DIMENSIONS AND TOLERANCES - ALL ENTRIES IN INCHES, EXCEPT TAPES. However, you may visit "Cookie Settings" to provide a controlled consent. I suggest if you have one of these, measure it and adjust it to match the tolerances you are working with (hopefully following a standard!). Dimension C is the measurement from outside of grease cap to outside of grease cap. The standards that follow now refer to the NMRA's idea of 3 different classes of modeling: Proto & Fine Scales (where wheels & track are very close to exact scale) (NMRA standard S1.1), Standard (where wheels & track dimensions are somewhat "coarser" than exact scale - "standard modeling") (NMRA standard S1.2), Hi Rail (origin in the "high rail" of toy trains, our "Garden/Outdoor railroads" fit here in the NMRA's "mind") (NMRA standard S1.3). None of the information is entered into the databases by ourselves. . service for more information. What is wheel base and track width? From a little G. ), Wheel back to back maximum (Aristo gauge perfect), Wheel back to back minimum (Aristo too wide/restrictive in all cases, the true allowable minimums are smaller), Flangeway width maximum (Aristo over spec) (at frog), 0.109" Aristo gauge 0.106" NMRA standard S-3.3 0.140" G1MRA (Note target is 0.120"), Flangeway width minimum (Aristo ?? The moving assembly inside that actually causes a train to take a certain route is called the "points" and those rails are also called point rails. M-33. Likewise, the track gauge is one measurement only. STND 1956. Wheelset designs for less common gauges can be found by adjusting the values given. The 6.5.2.2. Which is better? This also implies sloppier and narrower back to back spacing on wheel sets (another historical situation with Aristo and LGB). (So technically, there are no such things as "MOROP standards", only NEM standards.). The length of the vehicle on nearly all vehicles is irrelevant because it it not extreme, until you get into the sphere of the stretched limo. Due to the inherent nature of large scale trains, the wheel and track standards for "Standard" (Sx.2) and"Deep Flange" (Sx.3) are identical except in terms of flange width and depth, thus the track H depth also is changed. What are annual and biennial types of plants? In the case of an axle with dual wheels, the centerline of the . You CANNOT have sloppy specifications and loosen up the guard rails and wing rails and get smooth operating switches. It's supported by facts, but it's my opinion. ), I strongly suggest you read this specification (linked below). I don't know anyone who can do this outdoors. Rear track being wider than front track will make the car turn in better. Track gauge maximum (Aristo over all specifications, allows too wide track gauge in all cases of all known standards), (Note that NMRA Approved Standard S-1.3 did not specify max or min gauge, but gauge was specified as 1.772" absolute) (Note here and in other measurements that the G1MRA original standard specified a target value with no tolerance +-), Track gauge minimum (Aristo gauge under specification, "too tight", would "fail" some track that meets other minimum specs), (Note that NMRA Approved Standard S-1.3 did not specify max or min gauge, but gauge was specified as 1.772" absolute, therefore using this part of the gauge with no tolerance will meet the existing Hi-Rail gauge standard. Please, don't use this gauge except to determine if a wheel has moved GROSSLY out of gauge. When measuring for the Actual Diameter, you will want to measure from the inside of the Barrel of the wheel (Shown by the Red Line in the above photo). In most scenarios, wheel track and axle track are the same length. Well, both standards say flangeway depth is 3mm minimum, the SAME, NOT changed. Its therefore a smaller number than the cars full length, as measured from its front and rear end. I can get wheelbase pretty often but hard as hell to get track width. for our data, which you resolve to access at your own risk. The July 2009 standard tightened this up again. Others are concerned whether a tracked vehicle will fit on their trails or in between their crop rows for agricultural use. C-38. The shorter the lever the more the rear wheel is steered and vice versa. Necessary cookies are absolutely essential for the website to function properly. To make this clear, once you have sloppy back to back tolerances, you have to increase the flangeway widths so much the wing rails and closure rails cannot support the wheel tread through the frog, and the wheel drops into the frog with a bump. Answer: Hot Wheels and Matchbox cars and trucks vary considerably in size, and there is no standard dimension. When I started this investigation, the Aristo-craft Track & Wheel gauge ART-11906 came on the market. It basically measures some range of the edges of the flanges, which is a terrible way to measure either back to back or gauge. It has 2 rectangular slots on one side to "measure" wheel gauge. The short and simple answer is: Widening your rear track width gives you more understeer (more rear grip), narrowing your rear width gives you more oversteer (less rear grip). Originally I was very "hot" on this idea, but since you can buy a set of digital vernier calipers for about $20 at Harbor Freight, this is more of an exercise in convenience. Assuming a 12.5 wide tire in DUMPs example and dividing wheel base by track width you get a range of 1.56-1.72. FOR FREIGHT CAR SERVICE - CARBON STEEL (M-107/M-208) AAR Type. Unfortunately, the February 2010 standards go backwards, with a specification of 0.115, +0.002 and minus 0.023". If you dont see your vehicle listed, please feel free to call or email. How does track width affect the steering geometry? Single Driveway: 20x10 minimum. Where you see the wheel size written down such as . According to the Encyclopedia of American Business History and Biography, at the beginning of the Civil War, there were more than 20 different gauges ranging from 3 to 6 feet, although the 4-foot, eight-and-a-half inch was the most widely used. The rail used for the track Wheelset dimensions are determined by the track gauge and the three items above and provide: 4. Wheel base is 117-118 in, Measured track width , center of tire to center of tire 60 in. If the car has positive Ackermann, the amount would be reduced by increasing the track relative to the wheelbase (lines projected along the steering arms would intersect further to the rear). Vehicle dimensions . Evaluating Average Car Width by Class 1. Also, indoor modelers can utilize standards closer to the actual prototype dimensions. Even then you should not use the huge, sloppy tolerances given. It will stabilise the vehicle as the wider track widens the footprint on the road The Rules in Relation to Track Width - Which is affected by Wheel Offset Track width on Passenger Cars must not be increased by more than 26 mm Wheel track, track width or simply track refers to the distance between the centerline of two wheels on the same axle. 1.793" NMRA Proposed Standard S-1.2 (Standard), 1.793" NMRA Proposed Standard S-1.3 (Hi-Rail), 1.762" Kadee track gauge (one measurement only on this gauge), 1.765" Kadee track gauge (one measurement only on this gauge), NEM 310 no minimum specified (targes is 1.772"), 1.755" Kadee gauge (Note: there are 2 notches, this is the measurement of the notches, when used to set an old Aristo "split axle" wheelset, it set the back to back at, 1.582" S-4.2 standard (standard 1:20.3 ) (Note target is 1.580"), 1.574" S-4.3 standard (Hi-Rail) (Note target is 1.576"), 1.574" S-4.2 standard (Standard LS) (Note target is 1.576"), 1.591" Kadee gauge (Note: there are 2 notches, this is the measurement of the notches, when used to set an old Aristo "split axle" wheelset, it set the back to back at 1.587", EXTREMELY dependent on flange contour), 1.578" S-4.3 standard (Hi-Rail) (Note target is 1.576"), 1.578" S-4.2 standard (Standard LS) (Note target is 1.576"), 1.574" G1MRA Standard (Note target is 1.574"), 1.567" S-4.2 standard (Standard 1:20.3) (Note target is 1.580"). It also has 2 prongs to measure track gauge. This is the entry point for standards. Before diving into numbers, a small explanation of my focus, since there are a lot of different SCALES that use "G" gauge track, 45 mm. This cookie is set by GDPR Cookie Consent plugin. I hope you are getting the message that all this stuff is inter-related, and once you loosen the tolerances in one area it has a ripple effect all through the system. Rack and pinion steering mechanism: 1 Steering wheel; 2 Steering column; 3 Rack and pinion; 4 Tie rod; 5 Kingpin. spec) (at frog), ?? Also the flange depth is nuts for outdoor use. Please realize that there are many different scales that use "G" or #1 GAUGE track, 45mm. 8 How does wheelbase affect the stability of a car? The proper flange thickness also allows you to have nice reasonable flangeway widths, so besides looking toylike, it allows the wing rails and closure rails to work properly around the frog, supporting the wheel, so the wheel does not fall into the frog. Check-In by 3:00 pm (no exceptions) Maximum length: 192 inches (16 feet) Maximum height: 85 inches. The Fora platform includes forum software by XenForo, www.geocities.com/lakota_circle_dancer/swap1, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. JavaScript is disabled. It's 1.125 for the other "G" scales. However, in the case of offset wheels, the two differ. 3. CLICK HERE for the main NMRA standards page. 1:1 scale, this resulted in different gauges. . What did Britain do when colonists were taxed? What crap this is, basically messing with the back to back makes your operation through turnouts worse, and this is the #1 cause of derailments. Why does blood have to be infused in 4 hours? Looking at the frog, you will see space where the wheels are not supported as they roll through. Minimum width 10 feet, preferred 12 ft to allow car doors to open and step onto pavement. Well, as far as I can tell, there are only 3 groups recognized in the world that have standards applicable. The 'Overall Width' of an L-Group vehicle must be as follows : 6.5.2.1. According to SAE Track Width is the lateral distance between the center of the contact patch. 43" Tapes . This cookie is set by GDPR Cookie Consent plugin. Exclusive of rear view mirrors, turn signal lamps, handholds for cab entry/egress, splash and spray suppressant devices, load induced tire bulge, a fixed step up to 3 inches deep. In my opinion, the new standards are good news, the Hi-Rail standards have been revised to much more reasonable specifications. In the case of an axle with dual wheels, the centerline of the dual wheel assembly is used for the wheel track specification. They function like the guard rails in controlling the wheels as they move through the frog. Aristo's "Plastic [In]compatible" ELECTRALUBE Legacy! But opting out of some of these cookies may affect your browsing experience. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Sedans. Another cheap sell out to grandfather in poor wheel standards from manufacturers. The widest title belongs to the Ram 3500 with dually rear wheels. (This is the setting I use). In automobiles (and other wheeled vehicles which have two wheels on an axle ), the axle track is the distance between the hub flanges on an axle. Expressed as a measurement from outside to outside, front and rear track will be 70mm. I know that there is check gauge which tries to combine wheel gauge and back to back, but the width of our wheel treads is so wide, that all you need is a proper back to back and a flange of the proper thickness and everything works out. Why are you allowed to use the coarse adjustment when you focus the low power objective lens? A cars wheelbase is the distance between the centres of the front and rear wheels. Front tire wider than rear also helps in steering (decr. Easiest way to increase track is to . These are called "wing rails". The standard notes that the flange depth of 3mm is to accomodate deep flanges and results in flange-bearing frogs. If you only widen at one end, then that end will gain traction and the other will not which changes the handling balance. I know this question has been asked before, I just can't find the answer, so here goes. There is also a note that says if you use flanges greater [thicker] than 0.076" you should reduce the back to back, but stay within the check gauge, and this is highly recommended. How does wheelbase length affect handling? An S-10, which is a somewhat popular swap, is about 54". Wheel Width Measuring the Wheel width is similar to measuring the Diameter. 2 Car Driveway: 20x20 minimum, 20x24 is preferred. People may be concerned whether a tracked vehicle will fit in their garage or on their car hauling trailer. There are also some other exceptions on this page where back to back can be decreased to 1.542" and the wing rail flangeway increased to 0.131". The purpose of them is to keep the wheels on the proper course as the tracks "cross" each other at the frog. The length of the wheel base will always be decided by its vehicle use. It even specifies height of hook and loop (0.75"). Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. (Yuck). It's not even worth giving a measurement here since it means nothing. Galvanized sub frame and wheel lift components Deck. Check a earlier Dodge Dakota outI believe it will be close. It is easy though for people that are not as anal as me ha ha!. If it is not obvious, the back to back spacing is so under gauge it's lifting the wheel treads off the rail head. So, naturally I looked for standards, and I have tried to make sense of the ones I have found. accuracy of the information in our database cannot be guaranteed or verified, and we are This standard allows for really deep flanges. This cookie is set by GDPR Cookie Consent plugin. It does not store any personal data. the flange depth is max is 0.079 (more sense than the NMRA 0.068) although they state you can use 1.5mm 0.059 if you want for sprung/equalized trucks. J-36. How does wheelbase affect the stability of a car? 43.18 mm Aristo gauge 41.5 - 41.63 NMRA standard S-3.2 (Note, this is for I gauge, the NMRA does not specify this for G gauge in the S-3.3 standard, I suspect this would be relaxed in the S-3.3 if it was specified), Here is the link to see the standards:http://www.nmra.org/sites/default/files/standards/sandrp/pdf/s-3.2_2010.05.08.pdf http://www.g1mra.com/pdf/standard-dimensions-for-gauge1.pdf. This cookie is set by GDPR Cookie Consent plugin. A 4mm difference. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Same car, different result dependant upon the way it's measured. For most high volume production, this is usually mounted on the other side of this panel. Dimension A is the measurement from center of track to center of track. The flangeway depth is minimum 0.118 (3 mm). Where is the wheel base measured from? In the case of a two wheel vehicle (LA or LC), the maximum width must not exceed 1,000 mm. FIG 4. Conversely, as the wheel base length shrinks, stability is lost, but you gain in maneuverability. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Is there a site or series of sites that give wheel base AND track width for various cars and trucks? Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! This is what I want to avoid: (the combination of back to back and the flangeways actually has ripped wheelsets apart in some cases!) Some cars might be wider at the front end than back end. A forum community dedicated to hot rod owners and enthusiasts. Click here to see the G1MRA specification. Rear wheels closer helps in attaining traction. For example, the 2004 standard has a guard rail flangeway width from 0.106" to as large as 0.131, and a flangeway depth of 3 mm. Regular road cars generally have wheels that are between 14 and 19 inches in diameter, with newer, more sporty, and luxury cars generally having the larger sizes. (Yes it is missing the levelling vials, they are held in with hot glue and always fall out, they are pretty worthless anyway except at a gross level). Use the minimum part of the gauge to check the track, but if it's "tight" on the gauge, it could still be fine. B-38. You can make it up some with additional tread width in the back, or a stiffer rear swaybar, or spacers. This measurement is the track width. Then you drive on the highway as if you were driving a semi-trailer. Hot Wheels cars are available in f. S3.2 says: Again we have 3 classifications, and again, the Standard and Hi-Rail standards have been updated in February 2010. In my experience, using closer tolerances (similar to these new ones) combined with a better back to back setting on wheelsets, has VASTLY improved my ability to run more reliably through switches. H-36. Answer (1 of 3): While cornering and braking weight transfer takes place diagonally that is from rear right to front left or vice versa. Aluminum - Conventional or dual angle - Extruded 6061-T6 decking Dave Goodsen recommends a flangeway width of 0.120" as a target. If you want a simple answer, first, there is not one, but you can read my "conclusions" section below, it's my opinion. Answer (1 of 2): There is no straight forward formula for this. Wheel track or track width is the distance between the centerline of two wheels on the same axle. The G1MRA standard can be followed and everything will be fine, except the flange depth. wheel base (the distance between the front and the rear wheels) has to be larger than 200 mm and the track width (the distance between two wheels on the same axle) has to be larger than 160 mm. Standard Vehicles. This is because it's difficult to make "proper" frogs in G scale, and flange-bearing frogs have their own problems. The frog actually has several components, the point where the 2 rails in the middle come together, called the frog point (sometimes called the "frog heel"), and the 2 guard rails that sort of wrap around the point. Passenger Wheels. Those standards are for the ride-on scales. All we can do as a designer is to take reference from similar vehicles and then iterate the values on some software like Lotus Shark etc. All of these were revised in February 2010. Over the past few years we have had quite a few inquiries about track truck dimensions. RACK AND PINION. The stock track width is about 56" according to the factory shop manual. someone help me out on this one). ie, a wheel of 8 inch wide with an offset of et 15 will stick out of the arch 20mm more than a set with an et of 35. I am not recommending the S-10, just pointing out the range of frame clips. Trolley Wheel Width (W) 1/16" (+/-5%) 1.6 mm (+/-5%) Trolley Wheel Diameter (D) 1/8" (+/-5%) . The tolerances make sense. Using the This website uses cookies to improve your experience while you navigate through the website. Never use the maximum. The final Track Width measurement uses the average of multiple independent measurements in order to minimize errors associated with small steer angles. But the same minimum flangeway depth is just downright stupid. This is the distance from the center of one wheel setting on the ground to the center of the opposite wheel on the ground. This is simply because theres more time between the front and rear wheels hitting any bumps, so the car is less likely to become unsettled. So how does your rear track width affect oversteer and understeer? when the current NASG steel wheel-and-track gauge was first manufactured, the company that did the actual work, printed the text on the . Triple Driveway: 20x30 minimum. Even an A or G body GM is about 58" to 58.5". We also use third-party cookies that help us analyze and understand how you use this website. Recommendation: file the Aristo gauge down in both places to meet the standard you want, I would suggest the Hi-Rail ones. Increasing track width lowers weight transfer, increasing handling. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Use standardard S1 to undedrstand definitions. Track Check Gauge - distance from flange side of a guard rail to flange side of a frog, Wheel Check Gauge - distance from the back of a flange to the tread side of the other wheel, Span - distance between flange sides of guard and wing rails, Flangeway Width - distance between flange sides of wing rail and frog, Flange clearance - vertical distance from railhead to highest obstruction below it, Flange depth -actual depth of the flange on the wheel. A standard 40-foot box car should weigh 5.75 ounces (2oz + (7.5" x 0.5oz)), or 163 grams for a 19.1cm car. 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These cookies ensure basic functionalities and security features of the website, anonymously. I think if you read between the lines here, EVERYTHING probably meets this standard, and the exceptions really take you back to the "wild west" of G scale. Note also that what MOROP calls "large scale and garden railways" is not us. Turnouts are the #1 cause of derailments in model train layouts. Thanks all. J-33. But the go/no go allows you some tolerance. Another BIG change is that the Hi-Rail standards have been refined from being totally toy-like to something that will work better outside AND will allow long trains and better operation. File it down to meet the spec. Axle track. For those of us in "G" scale outdoors, the most recent changes is that Large Scale is now also in the STANDARD scale category. This is always referred to in inches, and as the name suggests is the diameter of the wheel - not the tyre and wheel together. Anyonw know what the standard wheel track width is for the TL-01 chassis (tyre centre line to tyre centre line when viewed from front) Im trying to figure out what wheel offsets i need for my Bowler project, using a standard TL-01 chassis (no LA or B conversion!!) Wheel track, track width or simply track refers to the distance between the centerline of two wheels on the same axle. Once again thanks. Ground clearance: 4+ inches. Note: The MOROP standards are not available in English. (.118"). FIG 6. These are identified below. 7 Whats the difference between wheel base and track width? This means more grip. If you need to translate the .pdf files, click on the links on the Google-translated page. P-33. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Over the past few years we have had quite a few inquiries about track truck dimensions. D. 40" Tapes +14-0. For a better experience, please enable JavaScript in your browser before proceeding. Basically with the exceptions and sloppy and asymmetrical tolerances everyone is "grandfathered in" with no changes in production needed. I model large scale standard gauge. These cookies track visitors across websites and collect information to provide customized ads. A switch is basically a construction that allows 2 or more tracks to combine to one, or vice versa. It is within specifications, but I again would use it only for a rough check. Use Google Translate to translate the page with the links, but then open the native French web page in another window/tab to open the standards and look at the .pdf files. Again we have three standards, depending on if you are Proto, Standard, or Hi-Rail. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It defines the structure of the standards, and defines the terms: If you are not an expert in track (and even if you think you are! More on this later, but it seems another political attempt to "grandfather in" deep flanges to keep the manufacturers "happy". Mueller translated the 310 standard for me: click here for a translation of NEM 310, (note, I also need to also check out NEM 313). Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Easiest way to increase track is to fit wheels with a calculated offset/width . If you want outside of tread to out side tread you would have to add a tire width. A short wheelbase vehicle is usually able to corner faster but may be less aerodynamic. Being an engineer, I am constantly investigating the factors that will make my railroad run the most reliably. (Yes, I know that 1:29 is not "purely correct" for the scale/gauge combination.). When a disturbance (bump, wind gust) gives the front wheel an accidental steer input, a long wheelbase reduces the degree to which this also steers the rear wheel. Because of the effect the wheelbase has on the weight distribution of the vehicle, wheelbase dimensions are very important to the balance and steering. For example, "G" gauge track is appropriate for 1:32 standard gauge modeling. I'm presently trying to find a donor truck frame to put under a 1941 Dodge 1/2 ton PU. . Maximum tire width: 14 1/2 inches. Don't use it for these functions. Unfortunately the official site has no English translation, here is a link to the applicable standard (a new one just for "garden trains": click here for NEM 311G. Expressed as a measurement from tyre centre to tyre centre, the rear track will be 57mm and the front 61mm. So let's try to get an overview of how these are organized. The same is true of stability. Why do you have to swim between the flags? I use the 5/2010 "Standard" standard - S3.2 - if you read this, you see that other than minimum flange clearance, this standard is the same as the 1/2006 Proto 20.3 standard - S-3.1 Now we are getting somewhere! The length of a car is measured from the . The contour of the flange, the thickness of the very edge makes this really worthless. This sucks. (avoid calling it the curved main rail, since there are curved turnouts also, and not all turnouts appear to have a curve) On the 2 main rails, there are 2 smaller pieces of rail called "guard rails". [1] Wheel track, track width or simply track refers to the distance between the centerline of two wheels on the same axle. Note: if you really want to learn and understand, then read all of this. Turn the steering wheel so the front wheels point straight ahead. Due to the inherent nature of large scale trains, the wheel and track standards for Standard (Sx.2) andDeep Flange (Sx.3) are identical except in terms of flange width and depth, thus the track H depth also is changed. People may be concerned whether a tracked vehicle will fit in their garage or on their car hauling trailer. . Answer (1 of 6): The number you are looking for is called the track width. It will fill up the guards making the appearance "more tough" 3. Ackermann steering geometry would be affected. Size An emergency vehicle may exceed otherwise applicable vehicle size limits up to the following maximum values: Width: 102 in. 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