(SNIP)
I hope Sparky or you or Randy can shed some light on the different types of mounts that are secure for both Profile and Builtup planes. No one should ever have to spend all that time building a new ship and then have it quickly destroyed after one lap. (IMHO) I feel the pain !!
Hi Greg,
No offense, and there are several great ways to mount a bellcrank that should never give any problems.
For several years I have been using suspended bellcranks.
I use "torsion spars" mounted the the rear of the main upper and lower spars. I have been making these from spruce or bass, usually. They end up looking like very elongated triangles. When these are glued, top and bottom, to the respectrive spars and then the center sheeting glued over that, you will have to totally destroy the wing to pull out that bellcrank.
There are other ways that will work as well. I have abandoned the plywood floor and the bellcrank screwed to it. But in defense of that method, I have a Smoothie that is 43 years old built that way and it is still quite functional.
There are soo many ways to do the things we do!
Thanks
Bill <><