If you have 230hp how do you brake for a turn?

[motomadness]

I was watching the Motogp qualifying and on-board video (signup at motogp.com for less than $30US you can watch far more hours of Motogp than will ever be broadcast on SpeedTV) and it almost looked like before T1 at LeMans, after entering the braking zone, that a couple riders were actually upshifting, followed by a couple or more quick downshifts.  

Do you think this is another way high hp 4-stroke riders avoid the il effects of engine braking?

I was thinking that if one did as I suggested that engine braking would decrease, not because the the compression effects, but because the way those effects are translated to the rear wheel.  In a way purposefully imitating a false neutral if only for a second or so, leaving the rider to use more of the brakes to scrub speed.

[Steviebee]

u dont need to roll off the throttle to upshift with a ignition kill ..

[motomadness]

I modified my original note to make my statment more clear.

I think you missed the point.  It's not the rolling off the throttle part, it's the upshifting, when entering the braking zone, prior to beginning your downshifts.

[Steviebee]

it's the upshifting, when entering the braking zone

 :o  

[cornercamping]

I modified my original note to make my statment more clear.

I think you missed the point. ÊIt's not the rolling off the throttle part, it's the upshifting, when entering the braking zone, prior to beginning your downshifts.

 ???  Wouldn't that cause more engine braking though because after the upshift, when they start the downshifts, the wheels speed is higher than the downshifted gear, and their using engine braking to scrub off speed  ???

Which video are you referring to.  I'm a motoGP member also.

[Eric Kelcher]

Moto Gp bikes can and most (all?) use a slipper clutch so engine braking is a preset amount if any at all.

[cornercamping]

Moto Gp bikes can and most (all?) use a slipper clutch so engine braking is a preset amount if any at all.

Yeah, but why bump up another gear, then drop, unless your looking for that extra speed thru a portion of the corner  ???  I know when I saw Edwards ride, the guy would use one finger to trail brake thrru the corner.  Looked kinda cool, but one other guy tried it and ended up on his butt.   I dunno the point, unless your just looking to enter at a even faster rate, and then engine and trail brake thru the rest  ???  Hmm...  This is a question for the Colin Edwards forum... www.ceracing.com

You gotta go thru hell to be a member of that forum. The moderator has to manually approve you before you can post.  The moderator is Colin Edwards father, Colin Edwards Sr.

[cornercamping]

and when I meant an extra bump of speed, that's an extra bump entering the corner, if we go by motomadness' question.  Imagine wanting to get an extra bump, while the "normal" racers (non-pro) pucker up and grab the brakes  :o

[Super_KC124]

Not if youv'e got a hand full of MotoGP brakes. They are off the gas and hard on the brakes. ;)

[Super_KC124]

If you upshift let out the clutch and the brakes, yes you could speed up. Trust me I know this. :-[

[cornercamping]

Not if youv'e got a hand full of MotoGP brakes. They are off the gas and hard on the brakes. ;)

MotoGP brakes = Brembo Monoblock 1 piece 6 piston = lots of $ (like $3K each) :o

[motomadness]

If you start braking at the point you were at maximum acceleration, you are likely also at the maximum point of engine braking, but if you could up shift, the effects of engine braking could be mitigated by spinning the transmission internally, with minimal affects on the rear wheel.

The video I was watching was LeMens Q1.  I think it was Shinya with a foot on-board camera.  He actually appeared to do two upshifts prior to downshifting.  I thought I saw others doing this last season also.  To make this whole "scanalysis" or "observalysis" more complicated, I think Max Biaggi uses standard, not GP shift.