I've got to get this old Cougar 2 back on the track..

[Pacman]

Originally Posted by Alasdairmarshall

I'll need to modify the battery tray?

For my Cougar 2 I use round case Lipo, but as it was too long for the standard battery tray I've fitted battery posts and carbon fibre hold down from the Cat SX1. I also had too fit a low profile servo as I didn't want to butcher another servo or drill more holes in the chassis than the previous owner had already done:

http://www.tamiyaclub.com/picturefra...11134722_6.jpg

An alternative could be shorty lipo as standard bricks will not fit under the plastic bracket at the back of the chassis.