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Posted for Bob Pastusek <rpastusek@htii.com>:
... If I used a piano hinge I do promise to build a
no-visible-hinge oil if that will help. Any opinions on this?
Gary Casey
ES #157<<<
Gary,
I'd think the big problem with using a piano hinge would be sealing the top
of the door against water when it's sitting outside. We've not flown, but I
used the Lancair method to attach Jim's and mine, and they came out very
nice--much cleaner and better fit than the other panels held by screws, etc.
We used 3 tapered, spring loaded pins on the door as latches. Mine is
operated by a single Lancair-provided key lock in the door. We're trying to
operate Jim's remotely by using model airplane control cable/tubing but so
far we have too much friction in the system to make it work well. Not every
one of our ideas works out...but one you might consider: We installed a very
small gas cylinder to hold the doors open in lieu of the Lancair-provided
spring washers. A bit more costly at $35 each, but elegant. The McMaster
Carr part number is 9417K5 with 3" stroke and 15# extending force worked
well for us. As I attached the cylinder to a small triangular aluminum
bracket that bolts to the Lancair hinge arm, our arrangement depends on this
hinge arrangement, but you could easily rig such a bracket and fasten it
directly to the door. Can send a picture if interested.
Good luck,
Bob
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