Originally Posted by Tee Bee
You might contact Steve Adams at selecthobbies.com. He has drawn up a plane called the Scalpel that's based closely on the old Ace Simple 400 and uses the Ace tapered foam wings. I built one from a "pre-production" kit and it's a great flying bird. Quick, on rails, and no bad manners. I'm not sure but he might have some more of these kits available. Sounds like it meets the criteria you stated and would work well with your engine.
Looks like a nice pretty Valentine engine on there.