Hi,
The Balsa USA 1/4 scale D7 is rated for 25 to 35cc gas engine. With the lifting airfoil it should fly fine. Like a J3 Cub, just slower.

Dave

Balsa USA I/4 scale Fokker DVII
Weight
18 TO 20 LBS Wing Span
88" top wing
69" bottom wing

Wing Area
2225 Sq. In. Engine
25-35cc Gasoline
1.50 4 Stroke
"G-26" OurChoice Fuse Length
68~7/8" Air Foil
Flat Bottom Kit No.
409 Price
$295.95