Originally Posted by sidewaysdriver6

in the cyclone manual, the orientation of the centre pulley assembly (i.e. the one with the spur gear) is incorrect. you'll need to flip it left side right (everything else remains as what's shown in the manual).

if you're using the centre one-way pulley, and you install it exactly as what's shown in the manual, the centre one-way pulley will actually be acting on your rear belt instead of the front, which is not how it's supposed to work.

this page has clear pictures of andy moore's car, take a look at the orientation of the spur gear hub to know what i mean :
andy moore's cyclone

i hope this is clear.