Quick Stoppie Tid Bit
03-29-2007, 04:06 PM
#1
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Quick Stoppie Tid Bit
how come when i watch some of the smaller stunt vids of people just messing around at lots, i always seem to see people doing endos and right before they stop, they got some hommies that stand in front of them and keep them from flipping forward...does the bike want to flip forward at the end of an endo or are they just dickin around
03-29-2007, 04:32 PM
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03-29-2007, 04:43 PM
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Re: Quick Stoppie Tid Bit
You may not believe this, but if your not doing a stoppie (or nose wheelie for the politically correct) just going pretty fast and you pull the front brake really really really hard, you will flip too. For real, Ive seen it!
Yep, for real.
Seriously, for real.
Yep, for real.
Seriously, for real.
03-29-2007, 05:10 PM
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Re: Quick Stoppie Tid Bit
i think they might just be tring to find balance point. so they wait till the end of the endo and hit the brakes hard they have people to catch so they don't get hurt. its just to get a feel of where bp is but i dunnojust my 
03-29-2007, 06:08 PM
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Re: Quick Stoppie Tid Bit
03-29-2007, 06:09 PM
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Re: Quick Stoppie Tid Bit
the brake (not really the brake) is more sensitive when you come to a complete stop, its because at the instant you stop, the friction between the tire and the floor changes from kinetic (moving) to static (not moving). the coefficient of static friction is always greater than that of kinetic friction.
to answer your question, the bike does (kind of) want to flip at the end of the stoppie, but in the videos youve seen, its just people messing around having fun and seeing exactly where their stoppie bp is.
to answer your question, the bike does (kind of) want to flip at the end of the stoppie, but in the videos youve seen, its just people messing around having fun and seeing exactly where their stoppie bp is.
03-29-2007, 06:19 PM
#9
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Re: Quick Stoppie Tid Bit
the brake (not really the brake) is more sensitive when you come to a complete stop, its because at the instant you stop, the friction between the tire and the floor changes from kinetic (moving) to static (not moving). the coefficient of static friction is always greater than that of kinetic friction.
to answer your question, the bike does (kind of) want to flip at the end of the stoppie, but in the videos youve seen, its just people messing around having fun and seeing exactly where their stoppie bp is.
to answer your question, the bike does (kind of) want to flip at the end of the stoppie, but in the videos youve seen, its just people messing around having fun and seeing exactly where their stoppie bp is.
03-30-2007, 02:48 AM
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Re: Quick Stoppie Tid Bit
04-03-2007, 06:21 PM
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Re: Quick Stoppie Tid Bit
the brake (not really the brake) is more sensitive when you come to a complete stop, its because at the instant you stop, the friction between the tire and the floor changes from kinetic (moving) to static (not moving). the coefficient of static friction is always greater than that of kinetic friction.
to answer your question, the bike does (kind of) want to flip at the end of the stoppie, but in the videos youve seen, its just people messing around having fun and seeing exactly where their stoppie bp is.
to answer your question, the bike does (kind of) want to flip at the end of the stoppie, but in the videos youve seen, its just people messing around having fun and seeing exactly where their stoppie bp is.
04-03-2007, 06:28 PM
#13
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Re: Quick Stoppie Tid Bit
Actually that is not true. When the front tire is rolling its rolling w/o slipping. Its called rolling friction. Its a form of static friction. The front tire never exhibits kinetic friction until the tire actually skids. Think of a bike peeling out. That is kinetic friction. Take it from a physics major. Your right about the coefficient of static friction being greater than coefficient of kinetic friction. Hence thats the principle behind antilock brakes...you never want the tires to lock up cause your kinetic friction force will be lower hence giving you a longer stopping distance.
04-05-2007, 01:55 PM
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Re: Quick Stoppie Tid Bit
damn you gotta have a degree just to read the replies in here.
just messin around, seeing how far you can go before it goes to far. wish i woulda found out that way. I had to eat pavement a few times before i found out how high was too high lol
just messin around, seeing how far you can go before it goes to far. wish i woulda found out that way. I had to eat pavement a few times before i found out how high was too high lol
04-06-2007, 04:43 AM
#20
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Re: Quick Stoppie Tid Bit
no no no, you got it all wrong, i'm einsteins second cousins former roomate, and the coefficient of static friction during a long stoppie is equal to wind resistance times the heat of your rotors divided by pie
