Tom,
We replaced the tubing in Ken Orloff's IV-P because many of
the tubing flares were poorly formed and leaking (not by us...). The plane
was far enough along when it came to our shop that it made sense to use hose
instead of tubing since routing the hose was much faster and therefore worth the
weight penalty. For most of our jobs we find the best solution is a
combination of hoses and aluminum tubing. Brent is right, Sac Sky Ranch
does a great job providing TSO hoses. We've had mixed results fabricating
our own hoses even with all the correct mandrels and special tools.
Dave Saylor
AirCrafters LLC
831-722-9141
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