Originally Posted by Salkin
New to onroad. Race 1/8 E buggy.
Have got a TRF417V5 that I plan to run on medium/large outdoor asphalt tracks.
The car is fitted with a 103T spur and I have several pinion gears (43, 44, 45, 47 and 48).
I have no clue about gearing the car. Can't find any clear information that helps me in my specific situation.
Can I use any of my pinion gears with the 103T spur gear on medium/large outdoor asphalt tracks without damaging anything, or are they totally "out of range"?
I run a Speed Passion GT2.0 Pro in default settings, and a Speed Passion 7.5T motor with the timing endbell set to medium (in the middle).
You want to ask the guys at the track what FDR they run. Then to caclulate it for the 417v5 you just need the following
(Spur gear / pinion) * internal ratio = FDR
The 417 has an internal ratio of 1.9473
So you can work out the pinion you need by redoing the calculation e.g
103/43 * 1.9473 = a FDR of 4.66
Personally I think you need a higher FDR to start out with (around 6) so fit the smallest pinion you have now but check at your club and see what they suggest
TRF419, TBEvo6, TT02, VDF, TRF501x, TRF201, TRF101, Mi5, X-Ray T4-13, BD7 2014, A700 Evo, WR-02G