Tim Wescott Inscribed thus:

Strength in this spot is absolutely not an issue: the landing gear
needs to be very springy close to the center of the plane, with the
needed strength dropping off the closer you get to the wheel -- by the
time you're on that side of the wheel, it could no stronger than soft
aluminum, and you could safely retain it with a cotter pin and washer
(which is why I'm contemplating drilling little holes).

http://www.metalworking.com/dropbox/wheel.jpg

Just an idea. Use one or a pair of heatsink insulators like those used
for mounting power transistors and a dab of hot melt to secure.

--
Best Regards:
Baron.