Scott Jones On Wednesday: Backing It In

Submitted by David Emmett on Wed, 2011-09-14 00:04
in


Reduced grip has never discouraged Scott Redding from attacking corners


Yonny Hernandez is notorious for getting the bike sideways. Even in the dry.


MotoGP bikes just can't be backed in any more. Ben Spies looks unconvinced


Synchronized backing it in: raised to a very high level in Moto2

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Comments

Clutch

Submitted by GrahamB29 on Wed, 2011-09-14 09:35.
Site Supporter

So is there some prospect of the Suter clutch being improved, or does Dorna like the fact that it generates all this sideways-ness?

Total votes: 12

Say What?

Submitted by mugget on Thu, 2011-12-01 10:17.
Site Supporter

Does everyone use a Suter clutch? Why are you bagging them out?

It seems like all bikes will back in, I think it's just a byproduct of riding really damn fast...

Total votes: 11

The Suter Clutch

Submitted by David Emmett on Thu, 2011-12-01 12:29.

The Suter clutch is compulsory, and is used by every Moto2 team. It is a spec part, same as the tires and ECU.

Total votes: 10

MotoGP bikes don't back-in

Submitted by GrahamB29 on Thu, 2011-12-01 13:15.
Site Supporter

MotoGP bikes don't back-in any more, it's one of the things that makes them faster than in the 990 era. You can see that it is slowing corner entry, the riders have to wait a little before tipping in and don't seem to be able to trail brake as far.

However one reason I was criticizing the Suter clutch was that I saw the M2 bikes being push-started, which normally means the clutch doesn't slip much. I've since been corrected: it uses a centrifugal lock out, so it allows you to start the bike, then once the engine is spinning a counterweight unblocks the mechanism and allows it to slip properly.

So maybe it's not possible to do better without using an electronic auto-blip, as included in the M3 spec ECU (and the R6 race kit, apparently... Chaz Davies wrote that it was one of his advantages this year).

Total votes: 10

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