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The next Cirrus "contender" from China

I did a google on

Windecker Eagle

and it turns up a load of info. Amazing that this never went anywhere… The history is here

They lost one in spin testing…

This story appears to be from April 2015

Note the fully covered landing gear – same as the TBM900 AFAIK.

Administrator
Shoreham EGKA, United Kingdom

Here’s a Smithsonian article on the Windecker Eagle I remember reading about it as a kid, pre-KR and pre-Rutan.

Maybe Airbus will launch their own retro-composite competitor with the Bölkow built prototype LFU205 that like the Windecker never went into production.

By the way, a composite four-seater, with an IO-550 and retactable landing gear, doing only “170+” knots would be a joke. Wonder why they mentioned that number in the Flyer piece.

Frankfurt (EDFZ, EDFE), Germany

Probably because they got it from yesterday’s US coverage

Anyway, this shows how so little changes in GA… this is 40+ years ago.

But, as we all know, is this IAS or TAS? 170kt IAS is highly respectable, for an IO550 running at say 65% of max rated power and peak EGT i.e. about 12-13 USG/hr. Flat out, even the TB20 with all the rivets does 165kt IAS. 170kt TAS is trivially achieved at altitude if you have a turbo.

Administrator
Shoreham EGKA, United Kingdom

I would say that’s a good contender for the Tiger Moth, but not the Cirrus :-)

As a sidenote. We often think that military aviation and the defense industry are the ones pushing aviation technology forward, but there would be no Dreamliners, A350’s or F35’s if there hadn’t been Leo Windecker and EAA tinkerers. And that wasn’t even the first certified composite aircraft – the Glasflugel Libelle sailplane did it in the mid 60’s, years before. Obviously Rutan took it all to the next level and one could argue there wouldn’t be a modern aviation industry without him.

But GA was the birthplace for it all, not some fancy lab at Lockheed Martin. So it’s sad that GA gets treated like the unwanted cousin still.

Last Edited by AdamFrisch at 16 Jul 08:21

The first glider made in FRP was a Phoenix https://en.wikipedia.org/wiki/Akaflieg_Stuttgart_FS-24

mh
Inside the sky.
EDXE, EDXF, Germany

170 ktas would mean TAS.

LSZH, Switzerland

What about the power setting / fuel flow?

170kt TAS is absolutely trivial with a 540/550 engine if you shove enough fuel in, and should be doable on any clean airframe at say 65% power and peak EGT. 200kt TAS is equally trivial with a turbo version if you shove more fuel in and shove loads of oxygen into the pilot… aviation is a salesman’s dream.

I do like the hull design. Very nice and clean.

Administrator
Shoreham EGKA, United Kingdom
13 Posts
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