Has anyone ever adapted a rear drum brake assembly to a driveline to act as a parking brake? It seems that it wouldn't be terribly difficult to come up with some kind of crossmember to bolt a backing plate and a drum assembly behind the transmission output, particularly if the trans has a flange type output instead of a slip yoke that goes into the back of the transmission. Just thinking "outside the box" while designing the doodlebug tractor I'm planning to build. I'll be using a Mercruiser 4 cylinder boat engine, a Turbo 350 automatic trans, a crash box 4 speed behind the 350, and a vacuum shift 2 speed rear axle with dual wheels. It ought to be able to climb trees if I can get enough traction! I'll bet I could win a "slow" race with a rig like that!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!