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I have been making hoses for years using Aeroquip style
fittings and have recently discovered a really clever and effective way of
testing them. It is a pair of male AN plugs, one of which has a shroeder
valve installed. You put the solid plug in one end of the hose and
the one with the valve in the other then put the solid plug end in a bucket of
water and, with a tire chuck on your compressed air line pressurize the other
end. No bubbles no leaks. Then reverse the plugs and check the other
end. Works great. I found these in the latest street rod catalog
from Speedway Motors (SpeedwayMotors.com). They come in all common AN
sizes and I got -3, -4, -6, and -8, which should cover all hoses on a
Lancair. At less than $9.00 per set they're a great deal. It's a
really nice catalog and it's free. Prebuilt hoses are great but sometime a
very slight difference in length or end orientation can be the difference
between fitting and not fitting and the answer is to do your own.
Leighton Mangels
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