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I know there are electric powered sailplanes but



 
 
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  #11  
Old November 18th 07, 05:55 PM posted to rec.aviation.soaring
gfoster07k
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Posts: 15
Default I know there are electric powered sailplanes but

On Nov 17, 10:58 am, Scott wrote:
Isn't a Benson a gyrocopter, not a helicopter? Gyrocopters can't hover,
they rely on airspeed to spin the rotor, correct?

Scott


You are probably quite right. All the Benson's I know of are
gyrocopters. My intent was to convey the very light weight design.
This was a true helicopter powered by an water cooled outboard engine
of some sort. It was about 30 years ago so I don't remember the
details.

Greg
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  #12  
Old November 19th 07, 06:18 AM posted to rec.aviation.soaring
Adam
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Posts: 75
Default I know there are electric powered sailplanes but

On Nov 16, 2:39 am, "YouHelpBuild.com" wrote:
How about 100% electric powered ultralights?

What problems can anyone forsee to building a 100% electric ultralight
aircraft for short & mid-range commuters to get back & forth to work
(aside from air traffic issues... it IS a big sky after all)? I
understand the average commute is less than 30 miles in land based
vehicles which would generally mean less than a 30 minute flight for
most people. Of course, ultralights are currently restricted from
flying over neighborhoods, so there would have to be some changes in
regulations for the average person to take off & land an aircraft from
their front drive, but wouldn't it be a reasonable idea?

And, by the way... does anyone know of a decent 100% electric
ultralight aircraft with plans available for homebuilders?


They already exists as prototypes, in both trike and paraglider form.
And both are FAR 103 legal ultralights. You can buy the trike today.

http://www.electraflyer.com/index.html

http://www.electricppg.com/

If you have not played with R/C electrics in the last 3 years, you
have no idea how far battery technology has come!

/Adam
  #13  
Old November 19th 07, 02:57 PM posted to rec.aviation.soaring
Ron Blum
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Posts: 2
Default I know there are electric powered sailplanes but

Scott:

Yes; gyrocopters need forward airspeed for the rotors to lift. Gyrocopters were/are known as autogryos (for the auto-rotation of a helicopter). The rotors of a gyrocopter are not powered (except some that have a little drive off the engine/propeller to get it turning a few RPM to make a shorter takeoff.

Ron

-------------- Original message ----------------------
From: Glider Pilot Network

------------------------------------------------------------
Newsgroup: rec.aviation.soaring
Subject: I know there are electric powered sailplanes but
Author: Scott
Date/Time: 19:00 17 November 2007
------------------------------------------------------------
Isn't a Benson a gyrocopter, not a helicopter? Gyrocopters can't hover,

they rely on airspeed to spin the rotor, correct?

Scott


gfoster07k wrote:
On Nov 16, 12:39 am, "YouHelpBuild.com"
wrote:

How about 100% electric powered ultralights?

What problems can anyone forsee to building a 100% electric ultralight
aircraft for short & mid-range commuters to get back & forth to work
(aside from air traffic issues... it IS a big sky after all)?



While not quite on the subject, a fellow built a very light (Benson-
type) helicopter to commute to a company I use to work for. He landed
it on the corporate helipad. By the time people were through beating
him on the head for such an act, he finally was allowed to truck it
away with an escort. I'm glad he was at ground level or he would have
had to dismantle it. Personally I thought it made perfect sense. It
was a very well built machine and he was an expert pilot with about an
18 mile commute over a typically jammed freeway. The fire marshals
and the insurance companies were the main attackers, not the FAA.

Greg


--
Scott
http://corbenflyer.tripod.com/
Gotta Fly or Gonna Die
Building RV-4 (Super Slow Build Version)

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