Originally Posted by Logika
If internal gear ratio is 2 then the pinion and spur ratio should be 2.4 for FDR to be 4.8. spur somewhere 70 and pinion 29 at 48p. DO they even make 70t spurs? Or should i try 78t spur and some 33t pinion?
Senyor Logika, yes they do make 48p 70t spurs. try kawada or robinson racing. So how's the performance of the NOVAK 13.5 BL motor?.. fast/quick enough?...