Discussion in 'Electric Propulsion' started by rv6ejguy, Jun 27, 2019.
They had a great time flying this sweet-heart of a plane!
Yes. Interesting to see the power needed to fly under different flight conditions. Also, you just hear the prop and airframe noise on the fly by. Pretty cool.
WOW! Gorgeous! I looked up the MTOW for the Alpha (could only find the petrol version's data but one would hope they're pretty similar) and it gave a figure of 550kg. I'll assume ~500kg or less for this flight, as neither occupant looked that heavily built - but hauling half a tonne around at 80+kts, for only 20KW, is very nice as far as I can tell! Heck, by that, there are electric paramotor setups out there that could keep this plane in the air, if you ran them hot.
Notice the large span, high aspect ratio wing.
Is that a subtle hint?
Are you saying that I'm FAT???
Looks like it just crashed into a lake in Norway.
Hmm. A giant battery and a few people fall some water. That sounds bad
Just like ICE, there's multiple points of failure. Burned up motor controller, bad rheostat on the throttle, high temp protection circuit, bolt could have vibrated off a lug... There's going to be plenty of these kinds of issues as people figure out what works.
There were a hell of a lot more ICE involved crashes early in development.
It’s actually surprising there have been nearly no electric crashes so far.
I also agree... This is part of development. Thank god it was no fatal accident.
At the beginning we also had to solve problems - look here (time 5:20 - 6:30)
But you have to start again
Don´t expect that electric propulsion in aviation is simple like in RC models. When you cross power of 15-20 kW you have to face new challenges. However I still beleive that for small and sport aviation is electric propulsion good solution.
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