This is a SPAD with 100cm wingspan, 15 cm chord, 83 cm length and 320g weight. It was meant to be an SAL or DLG glider, but I added a small electric motor. It is a bit ugly but almost crashproof ... I have tried.
The airframe itself cost about 4-5GBP in materials. Mainly correx or coroplast: 2mm for the wings, 3mm for the tail and 4mm for the fuselage-pod. There is an internal sub-structure made of pine (not too heavy - could have used balsa). The beam is a carbon fibre shaft from a broken archery arrow. Controls are elevator, rudder (2 mini servos) and speed - ailerons are easily possible. The whole plane cost about 26-27GBP (but not including the radio TX/RX which is a Spektrum DX6i and AR6200)
The prop has been saved many times by those rubber rings, but the motor shaft keeps being pushed in, so now I am relocating the motor to the back - see what happens.
Added: went wrong pusher version caused plane to nose dive - heavily. Broke the wing really good. Making a bigger wing ...
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