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Old 03-06-2011, 07:29 PM   #1
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Smile Shaft drive vta gearing ???

25.5 in a trf 5 shaft driven anyone have any gearing suggestions? i cant seem to get the speed outta her?
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Old 03-06-2011, 08:17 PM   #2
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You want to be around 4.2 to 3.8 final drive. So I would start with 96 spur and 44 pinion.



Kyosho TF-5 Stallion Gear Ratio Chart

Transmission Ratio 1.83:1



http://www.gearchart.com/index.cfm?f...n=chart.create
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Old 03-06-2011, 08:25 PM   #3
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thanks!
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Old 03-07-2011, 08:18 AM   #4
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Cool

bad news cant even come close to that gearing...not enough room unless i dremel out the motor mount... anyone elses have any suggestions?
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Old 03-07-2011, 08:33 AM   #5
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Im sorry I was just thinking that a good machinist could make some money offerring aftermarket VTA motor mounts for some of these cars.
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Old 03-07-2011, 08:57 AM   #6
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That's a Tamiya EVO 5 right ?? Doesn't it use around a 96t spur gear ?? If so, you could go smaller spur. Maybe 70-75 would help ??
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Old 03-07-2011, 09:18 AM   #7
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its the kyosho tf 5...i went down to a 81 and still not luck if i go in the 70s i have to start with at least a 50ish pinion to get the mesh rite...
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Old 03-07-2011, 10:27 AM   #8
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Woops, sorry. When you said TRF..it threw me off. TRF is the standard designation for most Tamiya high performance cars including the TRF Evo 5. Can't help with the Kyosho though. Never seen one.
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Old 03-07-2011, 11:01 AM   #9
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Quote:
Originally Posted by artoftatt2 View Post
bad news cant even come close to that gearing...not enough room unless i dremel out the motor mount... anyone elses have any suggestions?
Sorry, the gearing of 3.8 - 4.2 posted is the correct range. So you will have to fire up the dremel to continue to use this car in VTA and get the pace out of it.
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