Transmission Internal Drive Ratios

When it's R/C related, but doesn't fit anyplace else.

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RogueIV
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Re: Transmission Internal Drive Ratios

Post by RogueIV »

Ultima rere is 3.79:1
Consistency is the key I keep misplacing.
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Re: Transmission Internal Drive Ratios

Post 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.
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Re: Transmission Internal Drive Ratios

Post 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!
-dldiaz
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Re: Transmission Internal Drive Ratios

Post 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
-Brad
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Re: Transmission Internal Drive Ratios

Post by Dirtburner »

A few on here not on the list.
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RogueIV
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Re: Transmission Internal Drive Ratios

Post 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
Consistency is the key I keep misplacing.
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Re: Transmission Internal Drive Ratios

Post 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.
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Re: Transmission Internal Drive Ratios

Post 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
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Re: Transmission Internal Drive Ratios

Post by Lowgear »

Updated, revised, and condensed the list. :)
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Re: Transmission Internal Drive Ratios

Post by TRX-1-3 »

TRX-1, 3, & TCP
2.14:1
Hope you're doin' something fun.
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Re: Transmission Internal Drive Ratios

Post by Lowgear »

Updated!
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Re: Transmission Internal Drive Ratios

Post by Retro rc »

Traxxas blue eagle -ls - ls2 and srt 2.72
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Re: Transmission Internal Drive Ratios

Post 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.
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Re: Transmission Internal Drive Ratios

Post by Lowgear »

Updated!
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Re: Transmission Internal Drive Ratios

Post 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
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