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  #1  
Old 04-01-2009, 11:01 PM
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Default axle width sticky

Updated axle info here:
http://www.scale4x4rc.org/forums/showthread.php?t=58173

Is there a sticky somewhere with popular axle measurements? If there is I can't seem to locate it, most measurements i've found from threads are ball park.

What i'm looking for is outside of hex to outside of hex/WMS (wheel mounting surface) for the T-rex 60's and Ultimate scale yota axles, preferrably in metric.

If there isn't a sticky I can get measurements on some axles I have to contribute to one.


I went ahead and measured the axles I have. These are accurate to within 1-2mm and are WMS measurements.

Losi MRC 140mm

Tamiya TLT 180mm

Tamiya High-Lift 186mm

Axial SCX 192mm

Tamiya Jugg/TXT 260mm

Last edited by Jesse : 01-20-2011 at 06:49 AM. Reason: added info
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  #2  
Old 04-02-2009, 12:09 AM
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dont take this the wrong way but have you tried RC4wd.com they have the measurements of every axle they make in the product description..

some of them even have side by side pics with other common axles for comparison.

this is right off there sight for the trex 60
# ABS Plastic housing
# Hardened steel spool gear
# removable center cap
# 5mm axle output shaft
# Heavy duty axle for maximum steering
# Full ball bearings
# Width: 204mm/8inch
# Gear Ratio: 2.53:1

http://rc4wdstore.com/index.php

a axle chart would be a nice sticky.. to have all the info in one place.. but the info you are looking for is not hard to find..
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Old 04-02-2009, 09:16 AM
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I would like to see one that has all the axles with all measurements such as total width stump size, tube width and diameter spring hanger measurements, etc. This would be most helpful in determining the correct axle for your RC.
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Old 04-02-2009, 01:17 PM
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"stump size"?
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Old 04-02-2009, 05:26 PM
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Quote:
# Width: 204mm/8inch
I did go to their site and considering my Axial SCX axles are ~190-192mm hex to hex I believe their measurements are from the tips of both shafts. Their Yota axles are listed as 180mm which is right around tlt size....unless that's housing end to housing end.

In Most of the posts I've read through nobody is using a standard. Some are from the outside edge of the tires, some are tip to tip, etc. I've seen the picture comparisons for some axles but we all know how things just look a little different when you have it in your hands to see how it mocks up.
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Old 04-02-2009, 05:31 PM
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it would be a nice thing to have though. a side by side comparison with a ''standard'' width surface to measure off of.

surely someone has several different axles in thier shops that might be willing to post some pics with mearurements?
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Old 04-02-2009, 10:10 PM
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I just found this under RC4wd's listing for the aluminum T-rex 60. It's the total length, that's why I don't trust any of the listed measurements, some are hex to hex and some are like this.

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Old 04-03-2009, 04:17 AM
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it should not be too hard to make a decent simple chart listing the diffeent axle widths.

And yes I agree the distance between wheels mounting surfaces is the important one. Outside of each hex for a simple term.

So people measure up what you have. I am sure the guys in the know can make a chart and make it a sticky for info only etc.

Just another thought but maybe a different chart listing the wheel offset of the popular wheels might be another good chart to make. And before people say the measurement is on the wheels yes most tamiya wheels are listed with offset etc. BUT so far nearly all the wheels I have tried are slightly different. e.g. to date std cc01 tourag wheels have the least offset when measured to the outside rim to the wheel mounting surface. This means it is the wheel that sticks out the least when compared to many others.

Just a thought. A good easy reference table for people needing to know before wasting their money buying the wrong thing.
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Old 04-03-2009, 05:29 AM
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I tried making one of these, measuring bearing to bearing seeing as how there are thinner and thicker hexes I only have wheely king axles and txt axles to measure right now but if anyone wants to donate some axles to me I'll be happy to keep them and measure them




my Official guide to Axle widths.
I am going to throw in widest, wide, narrow, and narrowest, for extra search terms.
I keep looking for axle widths.



TLT-1 is reported 6.6" from bearing to bearing

Highlift hilift is 6.875" bearing to bearing

wheelyking WK, Wheely King are around 8.125" bearing to bearing

Axial, AX-10, AX10, Scorpian are reported to be 7.0625" bearing to bearing

cc-01 xc-01 is 6.0625" bearing to bearing (rear axle)

TXT-1 is measured at 9.375" bearing to bearing

Clod clodbuster is also 9.375" bearing to bearing


these are outer bearing to outer bearing, most thin hexes will add half an inch.

any more please add.
thanks
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Old 04-03-2009, 08:43 AM
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Might I suggest you use ther metric system for this measurement.

Measuring in Thou might be OK in some engineering systems but even the US military use metric these days.

RC4WD can put metric on their pictures because they know most people use metric.

Also I would bet most manufacturers use metric when making their products especially since its the japs and chinese for the most part.

Just a suggestion!

And we will need to come up with a SINGLE measurement. IE use std hex!

Otherwise we will have a different figure for every person posting a reply......
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Old 04-03-2009, 12:11 PM
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whats a "standard" hex there size is inconsistent, hairball has it right from knuckle bearing to knuckle bearing is the most consistent way to measure...
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Old 04-03-2009, 07:00 PM
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I think the standard hex would be the stockers that come with each axle.

A chart for wheels would be a great idea also.
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Old 04-04-2009, 06:46 AM
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The problem is hexes vary - some hexes are 4mm thick, some are 6mm thick, some like the HPI wheely king have a ring the sticks out slightly from the hex.

I know alot of people have gone to great lengths to make X axle work with Y tyre yet within the confines of wheel arches to keep a scale appearance which often involves either wheel wideners, or narrowed axles, and/or unsual offset wheels etc

so in order to make a proper reference guide we would really need a measurement in metric and SAE bearing to bearing over a picture of the axle. optionally overall width and width hex to hex(whatever comes with the axle) also on the same pic.

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