[Dennis.Doyle]

Originally Posted by b1ackcr0w

Startline marshals will tell you that on a warm, dry day, they get hot enough to make them too hot to touch.

That sounds like a useful advantage as I guess you carry a higher average temperature most of the way to the finish.

Maybe another variable is over-heating the clutch? I see Alan Stanniforth’s book suggests allowing 20-30 minutes for heat dissipation, but perhaps that just applies to organic clutches?

Presumably, those with traction control, telemetry, pyrometers & data from test days have the definitive answer on this? I would love to know it though my clutch, gearbox, diff & driveshafts might disapprove.

I notice that Adam also asked about cold brakes. Since soft pad material gives more friction when cold I’d say it’s not a problem (I use Marina ones myself, but then I don’t ask a lot of them). However, I thought carbon brakes needed to be hot to work properly. Is this true?