Friday, October 19, 2012
Thursday, October 18, 2012
quadcopter testing
With the wooden frame and no payload:
Plywood frame, about 650g, total flying weight 2160g.
8 mins flying time.
With 1240g payload, total weight 3400g, 4mins 26secs flying time.
I've found that I wasn't charging the battery fully. With my charger, I need to set it charging three times. A few minutes through the third time, it tells me it is full.
Plywood frame, about 650g, total flying weight 2160g.
8 mins flying time.
With 1240g payload, total weight 3400g, 4mins 26secs flying time.
Quadcopter first flights
I built a 150g carbon fiber and plastic frame, but it broke on my first flight.
So I made a frame from 12mm plywood, weighing 600g, plus a cardboard box taped to the bottom, as a shock absorber. I have had some fun learning to fly this; it's not so hard as I don't need to touch the yaw control, so I just have throttle, roll and pitch to worry about, like on my plane. I only got 8 minutes flying time from it.
Friday, October 12, 2012
Sunday, October 7, 2012
Tuesday, August 21, 2012
Monday, August 20, 2012
Lehmann Aviation
I wanted an EPP plane and I don't have much time, so I ordered a couple of moulded plane bodies from here: http://www.lehmannaviation.com/
They came from France in less than a week. They didn't have white, so I agreed to black. They cost 20 Euros each, plus 25 Euros postage.
It flies ok, but pitches up too much when I apply power.
This is made better by removing the wing tips, but makes it more unstable but more efficient.
I am ready to add some computer control, I guess, at least to try to stabilise the flight.
They came from France in less than a week. They didn't have white, so I agreed to black. They cost 20 Euros each, plus 25 Euros postage.
It flies ok, but pitches up too much when I apply power.
This is made better by removing the wing tips, but makes it more unstable but more efficient.
I am ready to add some computer control, I guess, at least to try to stabilise the flight.
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