RED BARON PIZZA SQUADRON’S STEARMAN Assembly Manual page 19

Then, use 5.5mm drill bit to enlarge the
holes on the electric motor box.
5.5mm
M4x20mm
Blind nut.
4) Attach the motor to the front of the
electric motor box using four 4mm blind
nut, four M4x20mm hex head bolts to se-
cure the motor. Please see picture shown.
M4x20mm
Epoxy
4 mm
145 mm
19