Em 1/6/2010 11:44, Alan B Pearce escreveu: >> The right-hand side front wheel doesn't appear to be lifted off the >> ground. Perhaps the left-hand side tire is flat and he just jammed the >> suspension to keep it from touching the ground. >> We use this a lot in the farms, when a tractor's front tire gets >> punctured far away from the facilities, we just lift it from the ground >> (a little slope may be used to raise it above the level of the other >> one) and stick a piece of hard wood under the suspension arm. After the >> tractor moves away from the slope, the wheel remains raised in the air. >> = > In a vehicle with an engine that would have the torque, it wouldn't be to= o = > hard to do that by dropping the clutch with reasonable revs on. The torqu= e = > reaction would lift one wheel before the other. = > = Yes, a tractor can be easily tipped backwards if the foot slips out of the clutch pedal. Isaac __________________________________________________ Fale com seus amigos de gra=E7a com o novo Yahoo! Messenger = http://br.messenger.yahoo.com/ = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist