Algodoo

enter to change gear r.1.2.3.4 <- these are the gears

c - toggle clutch on/off

i only tried the test pad staying in 4th so not sure about which gears are best
for parts of to test trk

PLEASE RATE AND REPLY AND COMMENT

HAVE PHUN

PS . all home made you can use the clutch/gear system separately if you want but giva bita credit