Rahul's RC Aircraft and other designs

This is the build of a large coro delta It is made out of 3mm and 2mm coro..  Wing Span - 1200mm Root Cord- 765mm Tip Cord-250mm Sweep -485mm Dry weight - 1020gms Motor ;3630 1100kv, 40 amps, 3S 2200mah, 2 x 12gms servos CG -280mm from nose tip (at 15%) With a total wing area of 609000 sq mm and a AUW of 1200 gms the wing loading is at 6.4 oz/sqfeet, which is in the region of slowflyers.. this combined with a not too small Reynolds number for the avg cord, translates to  good stall characteristics. It is quite a big aircraft. The underside is 3mm coro and the topside is 2mm coro..  The spar is a  tapering XPS foam wrapped in fiberglass. This makes the spar very strong.. in fact this spar is the only load bearing structure in the whole aircraft. For gluing coro to coro, fevicol SR (a rubber based solution) was used and epoxy was used for foam to foam or foam to coro or wood.  The TE was also taped up after gluing. The controls are through full l...

An aerobatic plane … not named ·           34” thick (18%) symmetrical airfoil (E 479), aluminium channel spar, coloured tape covered ·           Coro fuse with detachable canopy for access to electronics ·           900KV, 10X4.7 prop, 3S ·           Ailerons, rudder, elevator, throttle Abhiroop (my son) with the aircraft Very responsive in all three axis… good roll rate…. The rudder area was increased later on to enable knife edge.  Glides well for a stunter. … has good stall characteristics (adequate indications by wagging of wings) .. a good aerobatic  aircraft..       Shock Flyer Own Shock flyer design made out of depron. This aircraft has two CF strips glued to either side of wing as spar (very light and rigid (very effective as it subjects the CF ...