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Author Topic: Full scale electric aircraft down  (Read 720 times)

Offline Robert Zambelli

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Full scale electric aircraft down
« on: June 05, 2018, 07:02:26 PM »
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Offline Avaiojet

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Re: Full scale electric aircraft down
« Reply #1 on: June 06, 2018, 08:02:32 AM »
Quote from: Robert Zambelli on June 05, 2018, 07:02:26 PM
Sad news:  https://electrek.co/2018/06/04/siemens-electric-plane-prototype-fire-crash-death/#more-68212

I know very little about electric aircraft.

What's interesting about electric aircraft, or what I would like to know is, how do they provide redundancy?

There are no magnetos if there's a battery issue.

 
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Offline Tim Wescott

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Re: Full scale electric aircraft down
« Reply #2 on: June 06, 2018, 12:57:40 PM »
Quote from: Avaiojet on June 06, 2018, 08:02:32 AM
I know very little about electric aircraft.

What's interesting about electric aircraft, or what I would like to know is, how do they provide redundancy?

There are no magnetos if there's a battery issue.

It would be easy to have two or more independent battery banks, each with an independent motor controller.  It'd be a matter of juggling weight requirements to make each controller capable of driving the motor at full power, and slightly harder to make sure there's enough oomph in each battery bank for full power.

Or, it may be felt that the system is reliable enough that redundancy isn't needed -- a single engine aircraft, after all, only has one crankshaft, and yet people go fly them all the time.
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AMA 64232

The problem with electric is that once you get the smoke generator and sound system installed, the plane is too heavy.

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