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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Jumping Techniques
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[QUOTE="High Lord Gomer, post: 629931, member: 16469"] Do you pin it for all it's worth or just blip it a few times? When you hit the rear brake in the air, you are trasferring the rotational momentum (or is it angular momentum?) of the rear wheel to the bike and rider as a whole. So when the rear tire stops, the whole bike then rotates forward. When you apply the throttle in the air, it spins the rear tire faster. Since you are now increasing the rotational momentum of the rear wheel, that energy had to come from somewhere so it rotates the rest of the bike backward a corresponding amount. Since the rest of the bike weighs much more than the wheel, it takes a large amount of spinning momentum of the wheel to equal a much smaller rotation of the rest of the bike. The more momentum the tire has when leaving the ground, the greater effect it will have when you hit the brake. So if you launch hard on the gas, a brake tap will have much more of an effect. Conversely, if you launch hard on the gas, you can't really speed the rear tire up much more, so getting back on the gas in the air will have little effect. If you have the presence of mind, the time, and the control to shift up a gear or two while in the air, it wil add even more the the effect of twisiting the throttle. The thing is that if you have all 3 necessary items, you probably would have launched the bike in a proper position in the first place. :confused: [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Jumping Techniques
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