Re: Electric self-launch sailplane

[CH]

Hello David,
your statement is only half correct.
since 2001 a modified DG is flying to prove
and test the electrical concept. I am not sure
if the Antares itself had now its maiden flight
greetings Chris
ASW-27
CH



"Dave Ellis" > wrote in message
...
> A recent thread on this newsgroup asks if the "Silent" is the first
> electrically powered self launch glider.
>
> The prototype 20 meter Antares glider designed by Axel Lange flew in 2001
> with NiMH batteries. The production prototype is flying with Li Ion
> batteries. A friend just completed a 3 hour flight and is ecstatic about
> both performance and the electrics.
>
> http://www.lange-flugzeugbau.com/english
>
> A typical 60 amp-hour12 volt car battery stores 0.72 Kw-hrs
> The Antares battery has 72 , 3.6 Volt, 39 amp-hour cells. It stores 10
> Kw-Hrs
> The motor delivers 42 Kw at 1900 RPM
>
> http://www.dpamagazine.co.uk/products/200304April/prod_electext05.htm
>
> The Engine Noise Level (ENL) detection system in the Cambridge GPS-NAV
> successfully records Antares Propellor noise.
>
> Dave Ellis
>
>

[Tim Newport-Peace]

X-no-archive: yes
In article >, Dave Ellis
> writes
>The Engine Noise Level (ENL) detection system in the Cambridge GPS-NAV
>successfully records Antares Propellor noise.
>
>Dave Ellis
>
>
That just an opinion, it has not been determined by GFAC.

From the Model 10, 20 & 25 Approval document,


"B4.2. ENL during engine running....... but if an electric
engine is encountered, please contact GFAC as soon as possible so that
tests can be carried out."

Tim Newport-Peace

"Indecision is the Key to Flexibility."

[Andreas Maurer]

On Sat, 13 Sep 2003 19:17:47 GMT, "CH" > wrote:

>
>since 2001 a modified DG is flying to prove
>and test the electrical concept. I am not sure
>if the Antares itself had now its maiden flight

The statement is correct - it is indeed the "real" Antares that had
its maiden flight a couple of weeks ago.

We'll get number #1 on our airfield... :)


Bye
Andreas