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Old 05-14-2008, 11:55 AM   #1
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Quick Question

My friend is on another forum and someone mentioned that chopping the throttle mid-turn will not cause the bike to stand up, if anything they said it will decrease the radius of the turn.

I am pretty sure that chopping the throttle causes you to stand the bike up and more than likely run wide on the turn. I just wanted to verify this. If I am wrong let the flaming begin....
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Old 05-14-2008, 12:01 PM   #2
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That friend is me, and even the guys that are only 3 seconds off record pace up here at Hallett are telling me that they tighten up turns on the brakes without additional steering input.

All the phyics i've seen, everything Keith Code teaches, and everything I've personally experienced riding a motorcycle says that getting on the brakes or off the throttle mid-turn will stand the bike up, and run it wide.
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Old 05-14-2008, 12:19 PM   #3
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there is a HUGE difference in "Chopping" the throttle and increasing throttle smoothly.


Chopping will land you on your


best way is to look further thru the turn and smoothly increase throttle
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Old 05-14-2008, 12:20 PM   #4
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Quote:
Originally Posted by Solracer View Post
there is a HUGE difference in "Chopping" the throttle and increasing throttle smoothly.


Chopping will land you on your


best way is to look further thru the turn and smoothly increase throttle



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Old 05-14-2008, 12:33 PM   #5
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ease on the gas in a turn, no chopping.
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Old 05-14-2008, 12:36 PM   #6
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when you say chopping, are you getting ON the gas or OFF the gas?
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Old 05-14-2008, 12:39 PM   #7
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Quote:
Originally Posted by RACER X View Post
when you say chopping, are you getting ON the gas or OFF the gas?
good catch, yes, If you roll off the throttle, it will try to stand up.
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Old 05-14-2008, 12:40 PM   #8
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Quote:
Originally Posted by RACER X View Post
when you say chopping, are you getting ON the gas or OFF the gas?
i think it would mean both. off, on, off, on.
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Old 05-14-2008, 12:41 PM   #9
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Quote:
Originally Posted by Solracer View Post
good catch, yes, If you roll off the throttle, it will try to stand up.
It will destabilize the suspension. If you roll on the throttle it will change the load from the front to the rear and stabilize the bike or eventually "stand it up". If you get hard on the throttle.... it can get ugly and toss you off the bike.
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Old 05-14-2008, 12:41 PM   #10
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Quote:
Originally Posted by Solracer View Post
good catch, yes, If you roll off the throttle, it will try to stand up.

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Old 05-14-2008, 12:51 PM   #11
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Decreasing throttle won't make the bike stand up any more than rolling on will.

Pull in the clutch & you'll know what a bike trying to stand up feels like. You can decrease or increase throttle during a turn, but you don't want to flip flop between the two because it unsettles the suspension which in effect actually changes the wheelbase of the bike & thus its turn radius........ie you can't hold a single line through the turn & wander all over the place
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Old 05-14-2008, 12:57 PM   #12
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Maybe I have misunderstood something, but if you get off the gas mid-turn the bike will slow down a little, right?
If the bike slows down while turning it will decrease the centrifugal effect and that will cause the bike to lean farther, which will tighten the turn.
On the other hand if you speed up slightly, in a turn, the centrifugal effect will be stronger standing the bike up and widening the turn.
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Old 05-14-2008, 12:58 PM   #13
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Quote:
Originally Posted by bumblebee View Post
Maybe I have misunderstood something, but if you get off the gas mid-turn the bike will slow down a little, right?
If the bike slows down while turning it will decrease the centrifugal effect and that will cause the bike to lean farther, which will tighten the turn.
On the other hand if you speed up slightly, in a turn, the centrifugal effect will be stronger standing the bike up and widening the turn.
Key word was chopping thus unsettling the bike from what I understood
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Old 05-14-2008, 12:59 PM   #14
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I always considered 'chopping' the throttle to be letting of the throttle quickly.

Chop is associated with cut.. Ie: Cut off the water, cut off the motor, cut off the gas.
In doing this on a bike, in a turn...you'd lose speed/momentum and would fall inside...not have the bike attempt to 'stand up'.
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Old 05-14-2008, 01:02 PM   #15
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i blip the throttle while downshifting and braking into the turn hold a maintance throttle thru the turn till i see my exit then accerate acordingly
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Old 05-14-2008, 01:03 PM   #16
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Quote:
Originally Posted by Ulric View Post
I always considered 'chopping' the throttle to be letting of the throttle quickly.

Chop is associated with cut.. Ie: Cut off the water, cut off the motor, cut off the gas.
In doing this on a bike, in a turn...you'd lose speed/momentum and would fall inside...not have the bike attempt to 'stand up'.
chopping imo would do the same as grabbing some brake.


try going around a turn and grab some brake...you'll be going strait in no time.
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Old 05-14-2008, 01:04 PM   #17
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Quote:
Originally Posted by Solracer View Post
chopping imo would do the same as grabbing some brake.


try going around a turn and grab some brake...you'll be going strait in no time.
Depends. You may lowside actually.
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Old 05-14-2008, 01:04 PM   #18
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Quote:
Originally Posted by Solracer View Post
good catch, yes, If you roll off the throttle, it will try to stand up.
NOTE: TRY to stand up.
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Old 05-14-2008, 01:04 PM   #19
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chopping the throttle can lead to a lowside or more than likely a highside crash.

chopping the throttle will NOT stand up the bike, going through a sequence of tight turns you have to let off the throttle in order to flick the bike over...that is chopping the throttle, in a sense.

one should not "chop" the throttle, but let the throttle off slightly, and gradually give it some gas again.
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Old 05-14-2008, 01:05 PM   #20
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Quote:
Originally Posted by LEANANGLE View Post
i blip the throttle while downshifting and braking into the turn hold a maintance throttle thru the turn till i see my exit then accerate acordingly
Well, that would be the best way to handle a turn, but in a sweeper you can adjust your line slightly by modulating the throttle, even with no change in steering input.
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