I have clinical multi-projectitis.
After seeing the GRASP lab video sof quads literally jumping through hoops, I HAD to make one of my own.
Although everyone else seems to be going open-rotor, I want zero collateral damage to people, pets, and the living
room walls, so I decided on a ducted-fan design.
4 EDF combos from Hobby King
Combined thrust of 4400g.
Combined mass of 424g.
The 5Ah 4S 40C LiPo from my currently grounded Swift Heli:
For testing, the initial fuselage is a chunk of extruded poly insulation.
5 Deans connectors and a new soldering iron later (the old 30Watt one couldn't make a decent joint for the wiring harness), this is the result:
I christen her "The Ugly Pink Quad."
At present, she's brainless. I just did a test with a little solderless breadboard sending the throttle signal to all EDFs simultaneously and, not surprisingly, things were learned:
1) With 4400grams of max thrust pushing 1220grams of pinkness, it only took about 1/3rd throttle position to hand-hover.
2) It wants to rotate.
Next issues: Basic landing gear (The motors are outrunners), basic brains, and an IMU