HP/Torque limits of conventional clutches?

[FirePowerMinis]

I'm building a twin-engine mini, with each engine being roughly 10hp@6k
Will a single premium 3/4 or 1" clutch handle it?
Light bike, WAY not-light rider.
Gearing 12/72 from jackshaft to wheel.
Planning roughly 25% reduction between engines and jackshaft, for 33mph@6k, plenty for me.
15" tall tire
I'd prefer to connect engines and run a jackshaft-mounted single clutch, to keep them phased.
Or, is a Max-Tork or similar clutch on each engine needed?
Hundreds of builds from 25cc to over 1000 cubic inches, but I almost never see them once installed.


TIA
Terry

 

[Cuda54]

If it was me and I was doing it I would use 2 clutches. By locking the 2 engines together they might fight each other as they would have to be tuned the same. So if one would be tunes a little wrong it would hold the other from top RPMs. Or if it fouled a plug in one of them.

 

[lawn-boy biker]

In a dual setup, engines (by default) will self synchronize...even if one is slightly out of tune.
Physically locking them together would accomplish nothing.

 

[FirePowerMinis]

In a dual setup, engines (by default) will self synchronize...even if one is slightly out of tune.
Physically locking them together would accomplish nothing.

I'm building a 2-1 pipe, so I sorta want them 180 apart. I may have room for twin pipes, but trying to KISS

The "fight each other" scenario isn't valid. All multi-cylinder engines have some variation.