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First electric aerotow



 
 
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  #1  
Old April 4th 17, 02:42 PM posted to rec.aviation.soaring
[email protected]
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Posts: 54
Default First electric aerotow

See

http://www.military-technologies.net...speed-records/
  #2  
Old April 4th 17, 04:53 PM posted to rec.aviation.soaring
Dan Marotta
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Default First electric aerotow

That's very interesting! How does a hybrid electric aircraft work? Does
it use an internal combustion engine to drive a generator to charge
batteries to run the motor? It would be enlightening to see side by
side specifications.

On 4/4/2017 7:42 AM, wrote:
See

http://www.military-technologies.net...speed-records/

--
Dan, 5J
  #3  
Old April 4th 17, 09:40 PM posted to rec.aviation.soaring
Andrew Ainslie
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Default First electric aerotow

It's not hybrid, it's pure electric.

http://www.flyingmag.com/extra-unveils-electric-330le

https://arstechnica.com/cars/2016/12...airplane-ever/

Amazing little plane!!
  #4  
Old April 4th 17, 10:02 PM posted to rec.aviation.soaring
Dan Marotta
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Default First electric aerotow

The hybrid was mentioned elsewhere in the original article. They were
talking about commercial service...

On 4/4/2017 2:40 PM, Andrew Ainslie wrote:
It's not hybrid, it's pure electric.

http://www.flyingmag.com/extra-unveils-electric-330le

https://arstechnica.com/cars/2016/12...airplane-ever/

Amazing little plane!!


--
Dan, 5J
  #5  
Old April 4th 17, 10:26 PM posted to rec.aviation.soaring
jfitch
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Default First electric aerotow

On Tuesday, April 4, 2017 at 1:40:08 PM UTC-7, Andrew Ainslie wrote:
It's not hybrid, it's pure electric.

http://www.flyingmag.com/extra-unveils-electric-330le

https://arstechnica.com/cars/2016/12...airplane-ever/

Amazing little plane!!


Power in an electric plane was solved long ago. It's duration that needs work - they mention having 15 minutes duration. That means it could aerotow maybe 6 gliders (and I wouldn't want to be the sixth...), then have to get recharged. No mention of the recharge time.
  #6  
Old April 5th 17, 02:24 PM posted to rec.aviation.soaring
AS
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Posts: 653
Default First electric aerotow

On Tuesday, April 4, 2017 at 5:26:23 PM UTC-4, jfitch wrote:
On Tuesday, April 4, 2017 at 1:40:08 PM UTC-7, Andrew Ainslie wrote:
It's not hybrid, it's pure electric.

http://www.flyingmag.com/extra-unveils-electric-330le

https://arstechnica.com/cars/2016/12...airplane-ever/

Amazing little plane!!


Power in an electric plane was solved long ago. It's duration that needs work - they mention having 15 minutes duration. That means it could aerotow maybe 6 gliders (and I wouldn't want to be the sixth...), then have to get recharged. No mention of the recharge time.


In a previous life, I worked on AGVs (autonomous guided vehicles) which were powered by batteries. Instead of taking the vehicle out of service while recharging, we built a battery exchange station. The vehicle made the decision when it was time to go in for a new set based on remaining charge level and the task it had to finish. It would find the station, dock itself and within a few minutes, the old battery pack was replaced without human intervention. The vehicle then returned to its task.
If you want to make this plane economically viable as a tow plane and not have it sitting on the ground for any length of time to recharge, you must have a second or third set of batteries on the ground recharging and/or ready for a quick exchange.

Uli
 




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