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They came with a JRX2 I just got that was never driven and built in 1989 (I will have pics up soon) but what the heck are these?

Those would be Hyperdrive belt drive parts.

Is hyperdrive the A&L transmission?

No it is a different system and manufacturer. There is some info in the Scans section, I'll see if I can find it.

a01butal wrote:No it is a different system and manufacturer. There is some info in the Scans section, I'll see if I can find it.

Here is the link: http://www.rc10talk.com/viewtopic.php?f=7&t=1180&hilit=hyperdrive

there are pictures of cars in the RC10 section using the Hyperdrive system just have to search for Hyperdrive in the section.

Pretty cool, unlikely I will ever have the rest of the parts to make one.

Here's a picture of someone's car I found in the RC10 section with the Hyperdrive belt system - note I believe that the motor has to turn in reverse rotation for this application.

That is very cool. I love all the little companies back then that were always trying to innovate or at the very least come out with something unique.

I believe hyperdrive is still around. They concentrated on their main products later on: pan cars and the accesories that go with those.

RCveteran wrote:They came with a JRX2 I just got that was never driven and built in 1989 (I will have pics up soon) but what the heck are these?

DSCF4160.JPG

Thanks for the pic, that is perfect as I have been looking for a belt. I have a couple HD spurs and pinions, but nothing to connect them.

the belt is from stock drive products SDP,
https://sdp-si.com/eStore/PartDetail.asp?Opener=Group&PartID=51098&GroupID=213

Part Number A 6B 6-069018
Unit Inch
Belt Type Single Sided
Pitch .0816" (40D.P.)
No. Of Grooves 69
Belt Width 3/16"
Material Urethane
Tension Member Kevlar
Pitch Length 5.63"

I have some old magazines with the HD ads when they were first coming out, and it shows an orange belt like the one shown above.

I have a full bag of belts, spurs and pinions if you would like to complete your set. Just drop me a PM.