RE: Guillows Corsair
64stang,
Of course it can be done. On the article you site, scan down to about 11/22 and look at the plane closely. He sheeted the bottom of the wing for strength and added 1/16" strips between the stringers on the fuselage. He also made reference to strengthening the empennage.
I would still modify the engine mounting area for extra vibration and stress.
Let us know how you progress with it.
George