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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
jumping without throttle
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[QUOTE="KTM520Man, post: 199049, member: 22921"] Well since physics has been brought into all of this and I teach high school physics (and use motocross examples all the time) I had to jump in(lol...sorry about the pun). I am probably the last person to give advice about over jumping since you have to be going fast to do it. As others have mentioned before once you have left the face of the jump there is little you can do to alter the trajectory. At least the trajectory of the center of gravity of the system. You and the bike form a system and have one CG. This will always follow a smooth arc in the air and unless a force completely outside the system acts on it the CG will land in one spot no matter what you do. I understand what tapping the rear brake does and that you are trying to get at least part of the motorcyle on the ground quicker. That said I use the gas it and let the rear shock take the hit. If you want to get your bike on the ground faster you can raise yourself up as high as possible on it. This will push your CG higher which will force the bikes CG lower to keep the CG of the whole system in the same place. In an extreme example if you jump off your bike it will land short and you will land long, but if you take the CG of the system it will land in the same place. Sorry to go on and on......just got done teaching this and could help myself. [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
jumping without throttle
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