I wanted to make a depron 50” span seaplane to take to Canada. It had to fit in a carry-on box, so had to dismantle easily. Enlarge a 3-view of the plane, trace the outlines and sketch in the formers, spars, ribs etc. Get the tracing printed. Transfer all the shapes to 6mm or 3mm depron, glue* it all together in the right order, make the top of the fuz and the curvy bits at the front from pink foam cut with a bread knife then HWC and sanded to shape. The tailplane slides onto wires just like a 100” glider tail, the wing is in three parts to fit in the box. The fuselage is split into two at the step, servos for rudder and elevator are in the back bit, RX in the front. The wing just bands on.
The motors are 1500kv pole and stator from Robot Birds with 10A SCs in the nacelles (the cowls are old Syrup squeezy bottle ends) and 7x5 props. 2 or 3S 1500 mAh battery to taste. The ailerons are driven by torque rods set in the outer panels by servos at the edge of the inner panel. The wings are held together by coloured tape (very non-scale). The hull is sealed with Foam Armour** “paint”
*Foam2Foam glue from Deluxe Materials. Excellent stuff but you must sand off the sheen from the depron for it to stick.
**Another first class product from DLM. Paints on, waterproofs and toughens in one hit (well, 2 coats, sanded between).
And here she is, markings and flight test to come.
Lots more on RC Groups.
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