RE: CMP BF109F BUILDING THREAD
snappa
Pic of the air retract support equipment. Filler valve on the bottom.
With a massive alum tube in this section of the wing, the wood serves almost no purpose. I have no alum in my other wings and less sheeting in the center section and have never had a failure of the wing.
Retracts. I have two sets of wings. I am using Century Jets that would drop right in with a bit of dremel grinding, but I have changed the mount locations. And Spring Airs in a Factory CMP wing with a little Dremel grinding due to the rails being to tight on the retract frame.
Any standard retract will work if you have a bit of history on retract installation.
Steve