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----- Original Message -----
Sent: Sunday, June 22, 2008 09:17 AM
Subject: L235 main gear casting
To original L235 kit builders,
as eventual and current builder of kit #11 I noted yesterday that the right
main gear casting/wheel was not parallel to the main mounting/retracting
assembly, but the left one was. That is, the right main wheel, when down
and locked, was cambered inward at the ground, at a 4 degree angle, while the
mounting vertical tube was vertical -- perpendicular to the ground. After
checking that the axle was mounted correctly to the casting, I
looked closely at the
left and right castings. (see attached).
The top outer hole appears to
have been drilled too close to the top of the right casting's top outer lug
which mounts it to the mounting/retracting assembly.
I'm asking L235 builders
whether these casting came from the factory already drilled?
If so, would Lancair
have spares? I'll call.
Also, (if Lancair doesn't have
spares) does someone have an unused/used casting available that is correctly
drilled?
Finally, if anyone else has
found a similar problem and fixed it himself, how?
Any comments, if I have to
self-help this, on how to do it?:
1. if I machine the outer hole
to move the center down four degrees -- about .300" --, maintaining the present
outer edge of the present hole, and bushing in for a new bearing
hole? I guess I should estimate the loads for landing and side loads, to
see whether there's presently enough edge distance left in the present
casting... to see whether I should fix this casting or not.
2. If anyone knows the casting
alloy, could the hole in the casting be heated/welded before drilling a new hole
int he correct location?
Any comments
appreciated.
Ready to start the LyCon for
the first time.
Thanks,
Terrence
L235/320 N211
AL
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