Originally Posted by
TheBennyB
Just beware fella's, if you ordered your M1 with the 4:1's it's nowhere near scale speed. If you get up to scale speed not sure if the lower hull/tranny's will be able to keep up with the weight doing high speed turns
in grass, loose dirt, etc.
Just to say so again along with a good review & video from YHR, these
http://www.hobbyraw.com/item.jsp?id=948 gearboxes are
fast, and strong. They turn my small-sprocketed Pershing along at such high speeds that I had to limit the throttle via radio limits hehe.
They would propel the Abrams (and Leopard) at a wicked clip.
-J