|
#1
|
|||
|
|||
Schumacher SST spur options
Hi all,
I posted a while back about getting my SST up and running for racing. I did this and went racing! The car was great fun and I didn't come last despite never having raced ever. However I was losing huge amounts of time on the straight at adur (40-50m at a guess from google earth) I was running the smallest spur that I had and the biggest pinion that would fit with that spur, 83:31. However, this is horribly undergeared (FDR 5.4) The biggest pinion that I can find is 40T which means that if I could find a 65T spur I could fit it and that would give me an FDR of 3.25. However I have a couple of questions, Would 3.25 FDR be ok for 17.5T no boost racing? And if so, does anyone know where I could buy such a spur? Any help would be much appreciated, Cheers, Tim Edit Just found this. Maybe it would work? http://www.roundabouttoys.com/store/...acher-Adapter/ Last edited by dopeydog; 30-01-2012 at 12:26 AM. Reason: added info |
#2
|
|||
|
|||
Spur options
Hi. There is an alternative answer to your problem:
The Tamiya Buggy Champ 2010 uses a spur gear that would fit. there are two choices; a 65 tooth, and a 70 tooth, and both are sold together under part number: 9808256. However, you would then have to use Tamiya Pinions because of the pitch. I haven't tried this approach yet, so i'm not sure what pinion sizes will fit?, but i'll let you know if i get it working. Also, i think 3.25 f.d.r. is a bit of a long ratio for that class, it depends upon your ESC, with a turbo ESC you could get away with it, but my Nosram/SPV3 17.5 tends to overheat beyond 4.09 f.d.r. |
#3
|
||||
|
||||
A friend of mine has a schop over here in belgium , he still has lots of parts for the old schumacher cars . U could send him a mail and ask if he still has some small spurs someware .
will post his E mail assap.
__________________
topspeed modelshop Ralls racing Rc-speedhouse Rude-Bits Serpent Fba section offroad chairman. |
#4
|
|||
|
|||
What about slotting the motor mount screw holes to allow a bigger pinion. I've got a rake probably 50+ spurs for sst and nothing smaller than 83 tooth
|
|
|