How to Aliexpress foam glider conversion to 3 channel radio-controlled plane. RC. DIY

We have purchased a launch glider made with foam in AliExpress. These gliders have a wingspan of 48 centimeters, and a fuselage length of 46 centimeters. They can be found for a price of 3 euros. The weight of the plane is 52 grams. If we remove the cabin, the weight is 35 grams. We prepared a first version of the plane with a brushed motor of 85 by 20 millimeters and a propeller of 55 millimeters. This motor have a thrust of 23 grams using a battery. We use a Fly-Sky receiver and an ESC for DC motors with a maximum amperage of 10 amps. We place the motor in pusher configuration, that is, placed behind the wing and pushing forward. We tilt the motor shaft so that the thrust line passes through the center of gravity of the aircraft, which is usually located in the first quarter of the wing. Thus, we avoid that the airplane has an accused tendency to pitch down. We prepare a support for the motor using a piece of extruded polystyrene. The plane, as it is, has a natural tende