RE: P-39 Airacobra anything thread!
Pepino has plans for a 1/5th scale P-39.
[link=http://www.fly-imaa.org/imaa/IMAAads/pepino/pepinoplans.html]Plans service[/link]
My father built one a few years ago, powered by a Moki 1.8. Flys pretty well. It can be tough to find retracts for it. Robart has a few nose gear that would work (this was a few years ago... things might have changed). The main struts are short, but we had century jst make a pair for us.