quote:Originally posted by www.PanteraPlace.com:
From what I understand this syndrome is caused by the master cylinder piston not returning all the way to the back of the master cylinder.
Mike
Mike that would be my gues as well. Had this happen to an airplane I was flying last year. Took a little to trouble shoot it as we have 4-master cyl (2 each side). We taxied out and everything seemed fine. As I rolled down the runway it seemed fine right up till rotation. Just as I rotated (at 110knots or 126mph) I felt the left wheel dragging. I knew it wasn't right. Flew around and did the maintenance test we needed to do then brought it back. Touch down seemed fine. as I turned off the runway, left wheel was really dragging. Came to a stop just off the runway at the maintenance area. Got out of the airplane and left brake was cherry red. We stood there with fire extinguisher. It ignighted after about 3 min. Spent the next 10 min putting out the fire each time it lit with a dry chemical extinguisher.
Turned out one of the master cyl was not returning 100%. It dragged a little but not enough to feel until we gained real speed. That was the key!!!! As the pad built head, drag increased which created more heat!!!! You didn't feel it in the taxi or even on the take off roll but as heat built up it became a cascading situation.
We have left master cyl and right master cyl. We have master cyl for pilot and co pilot. This situation was a master on the left side. I think the question would be is it all the brakes or just one? If it drags on more then one brake deffinantly the master cyl. If it is just one brake ten maybe the caliper.
Gary