Air Lines
01-23-2007, 10:25 AM
#1
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Air Lines
Good morning all. For those of you who have installed pneumatic retracts in wings, how have you installed the air lines? Do you permanently glue them in, or fish them through some type of sheath (like an empty pushrod tube) so that they can easily be pulled out and replaced once the wing is covered? The directions that came with the retracts say to glue the air lines into the frame, but I have heard that air lines develop leaks sometimes, and if that is the case I imagine it would be a nightmare to have to tear the covering off and remove/replace them. What are your favorite methods of install?
01-23-2007, 06:34 PM
#4
RE: Air Lines
They should be permently installed, however they do not need to be glued in. Just run enough to attach the hose to the retract unit and to the t or control valve at the wing center and tape them in a position that you can retrieve them later when you are ready. Leaks are possible, however leaks usually occur at the retract connection or the t, or the control valve. I have never had a hose start leaking in the wing. I always install new hose's when I build a wing and I am careful to keep the razor blades clear of the lines. Good Luck, Dave
