Losi xx4 gearing ...!!!urgent!!!!

[sparky]

hi

i have a losi xx4 buggy with a yellow spur gear
i DO-NOT any other spurs !!

it has a brm (rocket powerd ) 12x2 motor.

i am stuck with wat pinion to use.

i will be mainly running on grass (at the new teesside track) but may run indoors.

any sugestions ????

help greatly appreciated

thanks in advance mark.a

[V6NUT]

Mark

Try running a 20-21 on a yellow spur...
That's what I have ran at most tracks inc Teesside!!!

Kash

[Doomanic]

What cells are you using?
With 33's I would start at 22.

[sparky]

sorry didnt mension that

i'm using gp33's and the motor is a brm.....oh....i mensioned that

[slimboyfat]

last year at the F2's i ran a BRM 12x2 geared 24/84 with 3000hv went five mins fine so try that.