RE: TBM 93
Anyone still flying their Zero? Got a question about the retracts. Seems the last few posts have been about them, no different here. I feel I have a leak past the o-ring on each cylinder because the air hiss never stops out of the adjustable needle valve hole (on the robart-style retract valve). It should hiss a moment or two as pressure is released on one side of the piston, but then stop, to enable it to go one way or the other way. Funny thing is, by holding the center section vertical (as in a vertical climb) the gear works just fine. But, when holding the wing in level flying position, they won't work at all. In the level position, you have to give the wing a "bump" to get the locks to disengage and they go up or down, after that. Pretty strange. And strangest of all, they seem to work best with fairly low pressure, and almost not at all with over 100PSI. That sort of tells me the more air pressure, the worse the air leak past the o-ring. Make sense? LBJ