RC10Talk - The Net's Largest Vintage R/C Community


https://rc10talk.com/

Transmission Internal Drive Ratios

https://rc10talk.com/viewtopic.php?t=17667

Page 2 of 3

Re: Transmission Internal Drive Ratios

Posted: Mon Nov 25, 2024 12:32 am
by RogueIV
Ultima rere is 3.79:1

Re: Transmission Internal Drive Ratios

Posted: Mon Nov 25, 2024 3:48 am
by Lowgear
Updated the list with the new info.

I also noticed the 'RPM Stealth Truck Conversion (white case)' was wrong so I fixed that too.

Re: Transmission Internal Drive Ratios

Posted: Mon Nov 25, 2024 9:55 pm
by dldiaz
RogueIV wrote: ↑Mon Nov 25, 2024 12:32 am Ultima rere is 3.79:1
Holy Cow?!
I assume this would apply to the '87 JJ Ultima, as well?


Man, it will be hard to find a pinion gear big enough to optimize a 21.5 setup!

Re: Transmission Internal Drive Ratios

Posted: Mon Nov 25, 2024 11:18 pm
by BattleTrak
dldiaz wrote: ↑Mon Nov 25, 2024 9:55 pm
RogueIV wrote: ↑Mon Nov 25, 2024 12:32 am Ultima rere is 3.79:1
Holy Cow?!
I assume this would apply to the '87 JJ Ultima, as well?


Man, it will be hard to find a pinion gear big enough to optimize a 21.5 setup!
Kyosho offers a 51t spur gear for brushless motors. Stock is 57t. OTW126B

Image

Re: Transmission Internal Drive Ratios

Posted: Mon Nov 25, 2024 11:27 pm
by Dirtburner
A few on here not on the list.
LRP Magic MKII.JPG
LRP Magic MKII.JPG (83.15 KiB) Viewed 995 times
LRP Magic MKII.JPG
LRP Magic MKII.JPG (83.15 KiB) Viewed 995 times

Re: Transmission Internal Drive Ratios

Posted: Tue Nov 26, 2024 12:58 am
by RogueIV
BattleTrak wrote: ↑Mon Nov 25, 2024 11:18 pm
dldiaz wrote: ↑Mon Nov 25, 2024 9:55 pm
RogueIV wrote: ↑Mon Nov 25, 2024 12:32 am Ultima rere is 3.79:1
Holy Cow?!
I assume this would apply to the '87 JJ Ultima, as well?


Man, it will be hard to find a pinion gear big enough to optimize a 21.5 setup!
Kyosho offers a 51t spur gear for brushless motors. Stock is 57t. OTW126B

Image
The ratio isn't so bad once you realize that the spurs for it are way smaller than other transmissions

Re: Transmission Internal Drive Ratios

Posted: Tue Nov 26, 2024 3:10 am
by Retro rc
BattleTrak wrote: ↑Mon Nov 25, 2024 11:18 pm
dldiaz wrote: ↑Mon Nov 25, 2024 9:55 pm
RogueIV wrote: ↑Mon Nov 25, 2024 12:32 am Ultima rere is 3.79:1
Holy Cow?!
I assume this would apply to the '87 JJ Ultima, as well?


Man, it will be hard to find a pinion gear big enough to optimize a 21.5 setup!
Kyosho offers a 51t spur gear for brushless motors. Stock is 57t. OTW126B

Image
Yep it gives you more options for sure.

Re: Transmission Internal Drive Ratios

Posted: Tue Nov 26, 2024 8:23 am
by 1911Colt
Schumacher Top Cat / Cougar original or re-release standard transmission: 2.43
Schumacher Top Cat / Cougar re-re U7600 Pro transmission: 2.07

Re: Transmission Internal Drive Ratios

Posted: Tue Nov 26, 2024 10:18 pm
by Lowgear
Updated, revised, and condensed the list. :)

Re: Transmission Internal Drive Ratios

Posted: Wed Nov 27, 2024 1:43 am
by TRX-1-3
TRX-1, 3, & TCP
2.14:1

Re: Transmission Internal Drive Ratios

Posted: Wed Nov 27, 2024 7:08 am
by Lowgear
Updated!

Re: Transmission Internal Drive Ratios

Posted: Wed Nov 27, 2024 1:54 pm
by Retro rc
Traxxas blue eagle -ls - ls2 and srt 2.72

Re: Transmission Internal Drive Ratios

Posted: Wed Nov 27, 2024 2:10 pm
by Chewbacca
Retro rc wrote: ↑Wed Nov 27, 2024 1:54 pm Traxxas blue eagle -ls - ls2 and srt 2.72
Same as Rustler / Bandit / Stampede, since the internals are interchangeable.

Re: Transmission Internal Drive Ratios

Posted: Wed Nov 27, 2024 7:38 pm
by Lowgear
Updated!

Re: Transmission Internal Drive Ratios

Posted: Thu Nov 28, 2024 11:40 am
by 1911Colt
Cougar 2000 2.0:1 (same gearbox as Storm 2000)

Pro CAT 2.53:1
XLS/Pro CAT re-release U7236 Pro transmission 2.4:1

Bosscat 2.43:1
All times are UTC-04:00
Page 2 of 3

Powered by phpBB® Forum Software © phpBB Limited