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-   -   Axle Gear Ratio (http://www.rccrawler.com/forum/tamiya-txt-1-juggernaut/282512-axle-gear-ratio.html)

TruckBasher 11-23-2010 05:13 PM

Axle Gear Ratio
 
Im in the middle of a project and I was wondering if someone knows the correct gear ratio for the TXT-1 axle alone. I tried to compute for it and I get 2.1 : 1 but not sure if that is correct. I tried to search the forum which mostly hits only for tranny gear ratio. This make it even more confusing cause now I'm not sure how the 34 : 1 ratio will be achieve if the axle gear ratio I've computed is 2.1 : 1. Hope someone can shed some light

Thanks "thumbsup"

CraZySteve 11-23-2010 11:49 PM

Quote:

Originally Posted by TruckBasher (Post 2757678)
Im in the middle of a project and I was wondering if someone knows the correct gear ratio for the TXT-1 axle alone. I tried to compute for it and I get 2.1 : 1 but not sure if that is correct. I tried to search the forum which mostly hits only for tranny gear ratio. This make it even more confusing cause now I'm not sure how the 34 : 1 ratio will be achieve if the axle gear ratio I've computed is 2.1 : 1. Hope someone can shed some light

Thanks "thumbsup"

The Axles are indeed 2:1 that is an easy one to figure out :mrgreen: I have heard that the final reduction with 15t pinions is 34:1

TruckBasher 11-24-2010 05:48 AM

Thanks for confirming this....2 project in the process of completing and this info will help a lot... "thumbsup"

PEDEcrawlerguy 12-03-2010 08:05 AM

Ya, the axle ratio is 2:1, the trans is 17:1 with 15 t pinions..

JeremyH 12-04-2010 08:55 AM

Egressor used to sell a 4:1 conversion for the diffs......I've got two sitting on my shelf in the garage! "thumbsup"

CraZySteve 12-04-2010 12:52 PM

Quote:

Originally Posted by JeremyH (Post 2777032)
Egressor used to sell a 4:1 conversion for the diffs......I've got two sitting on my shelf in the garage! "thumbsup"

Jeremy,

You have a PM "thumbsup"

-CS-

krzysiek-gdansk 02-26-2011 10:09 AM

Yeah, you're right, axle gear ratio is 1:2,1 not 1:2,0

Check it: http://www.rccrawler.com/forum/showp...65&postcount=3

sig_p232 04-10-2011 10:00 PM

What did the reduction used to go for? I found the gears in 303 stainless with hub for $17 each for the 40t and $15 for the 12t pinion also in stainless. Both are module 1 metric gears. If someone could preceisely measure the diameter of their gears to confirm these are correct, I will post links.

Nate

Gula 04-11-2011 09:08 AM

Quote:

Originally Posted by sig_p232 (Post 3037063)
What did the reduction used to go for? I found the gears in 303 stainless with hub for $17 each for the 40t and $15 for the 12t pinion also in stainless. Both are module 1 metric gears. If someone could preceisely measure the diameter of their gears to confirm these are correct, I will post links.

Nate



I think I paid $65 for mine

CraZySteve 04-11-2011 11:13 AM

Quote:

Originally Posted by sig_p232 (Post 3037063)
What did the reduction used to go for? I found the gears in 303 stainless with hub for $17 each for the 40t and $15 for the 12t pinion also in stainless. Both are module 1 metric gears. If someone could preceisely measure the diameter of their gears to confirm these are correct, I will post links.

Nate

So the 40T w/Hub is meant to drive TXT-1 inner axles shafts?

If so what is your source - I would LOVE to get some! :)

Also the diameter should be the same as others - if it is a 40t Mod 1 gear then the 40t and the Mod 1 gear specification will ensure the diameters are the same.


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