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You're certain to receive a lot of responses to this simple question! >>
Bill, it was a surprise but I haven't received many at all. I must say the
concensus is metal however. What has been the problem with the plans built
version in your opinion? I can't see anything wrong with it either. Maybe exhaust?
Jim -
A long time ago, a builder wrote in the LNN that a fiberglass nose
gear door was not a good idea, citing location, exhaust and heat. He then
recommended constructing the door from aluminum. I don't believe that he had
even flown his plane, it was just speculation on his part. I have flown my 320 for almost four years. The fiberglass nose gear
door hinges on the right and swings away from the exhaust. Neither exhaust,
nor heat or anything else has caused the slightest problem with it. If your
exhaust doesn't angle slightly down and away from the fuselage then, yes,
you have the potential for a problem and it will be with more than just the
nose gear door.
A fiberglass door is not difficult to construct. Just lay up a
sufficient area of 3 ply cloth on a flat surface. When cured, peel away only
one side of the plastic sandwhich. Measure the required size and shape of
the 1/4" foam core. Micro one side of the foam and lay it on the cured 3
ply. Bevel the edges of the foam at 45 degrees and then micro it to accept
the additional 3 ply overlay.
After the door is fully constructed, use a heat gun to contour it to
the exact shape of the fuselage. Careful measurements and construction will
result in a nice looking nose gear door that you won't have a problem with.
Bill Rumburg
N403WR (Sonic bOOm)
LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to marvkaye@olsusa.com.
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