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Originally Posted by banda
Sure, rotational inertia has a stabilizing effect, but it's a minute component of what keeps a bike upright and tracking on its path. If you took gyroscopic effect away completely, the bike is still stable.
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Do you mean the gyroscopic effect of the front wheel or the whole bike? A bike is essentially a giant collection of gyros. Crank webs, clutch baskets, sprockets, transmission gears, even camshafts to a small degree all contribute to a bike's gyroscopic stability.
Quote:
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Originally Posted by banda
The castor effect of the trail of the front wheel has way more to do with it. If gyroscopic effect is so important, then let's see you ride a two wheeled vehicle with zero or less trail... with no hands! I'll spot you the heaviest wheels we can find, you'll still fall on your head.
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My 'fiddy' has about .9" of trail....its twitchy as hell (and I
like it that way), but its most definately more stable once you get the wheelspeed up....over rough ground the slow and methodical method will put you on your ass, but crank it WFO and hang on for the ride, and youre all good. And were talking about a bike with 10" spoked wheels that might weigh 4lbs each with tires
