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Old 01-09-2018, 01:02 AM   #1 (permalink)
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Thumbs up EV Aircraft!

I love this, especially the silence! No- especially how quick and cheap the maintenance will become!

Moar battery capacity and they'd really have something!

https://newatlas.com/electric-aircra...9e053-90350850

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Old 01-09-2018, 02:12 PM   #2 (permalink)
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How far can petroleum-powered two-seaters usually go?
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Old 01-09-2018, 02:31 PM   #3 (permalink)
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Quote:
Originally Posted by Xist View Post
How far can petroleum-powered two-seaters usually go?
A Cessna 172 with a 43 gallon tank can go ~650 miles cruising at ~45% throttle (maybe 90-95 mph?).

That's a four seater, but a two seater should be able to do a bit better.

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Old 01-09-2018, 03:32 PM   #4 (permalink)
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Piper Cherokee 180 - another 4 place, but with just me aboard - can do about 850 miles at about 75% throttle - that's around 130 mph. But you can find other planes - the Rutan LongEZ, for instance, that are much better on fuel.
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Old 01-09-2018, 03:33 PM   #5 (permalink)
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Wikipedia says this is the electric version of their Trainer, which costs $103,000 (a fraction as much as that Cessna) and has a range of 373 miles, and they started selling the Electro for 69,000€, which is currently around $82,000.

What?

I am trying to establish the ROI.

Also, people comment that most of the noise comes from the propeller.
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Old 01-10-2018, 06:51 PM   #6 (permalink)
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I'd be concerned about the reliability of the batteries in an all-electric aircraft. Not just it would be exposed to a wide range of variation in pressure and temperature, it's also worth to remind the air-conditioning and pressurization of an aircraft is quite energy-intensive.
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Old 01-10-2018, 07:42 PM   #7 (permalink)
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^^
Lots of small planes don't have any AC whatsoever, or cabin pressurization. You DID notice the absence of seals around those super-skinny doors, right? There's nothing there to hold any air in, and insufficient structure to hold any pressure even if there were seals. This thing's intended as an inexpensive-to-operate trainer, so its ceiling will probably be about 10,000 feet/3000 meters.

Get a little distance away from the ground and it cools off anyway. AC is easy enough to leave off.

Guessing at a cruising speed around 90mph (saw 140-157 kmh airspeeds during the vid) would give the plane a 90 mile range with another 45 in reserve. Not much but not nothing, either.

I would be very curious to know how much range solar cells could add.
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Old 01-10-2018, 08:51 PM   #8 (permalink)
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It may serve reasonably for a small training aircraft, but I was also considering commercial aircraft.
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Old 01-11-2018, 03:03 AM   #9 (permalink)
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Quote:
Originally Posted by Old Tele man View Post
Solar panels on wings for "in-flight" recharging?!?!
A possibility. Rutan's Voyager had them. But with this plane's wingspan, it would only be good for just a bit extra range, rather than on-demand power.

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