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Old Mar 05, 2012, 08:48 AM
Sussex, UK
RobinBennett's Avatar
Crawley, West Sussex, UK
Joined Jun 2004
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Does anyone remember the hybrid helicopter with a wing on only one side?

A while ago I saw photos of someone experimenting with a model helicopter with a propeller on the front, a wing on the retreating-blade side, and a horizontal behind the tail rotor.

Can anyone remember what it (and it's inventor) was called and what happened to the idea?
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Old Mar 11, 2012, 04:10 AM
Scarecow
HoverBovver's Avatar
UK
Joined Sep 2004
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This one?
http://www.challis-heliplane.com/challisheliplane.php
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Old Mar 11, 2012, 05:13 AM
Sussex, UK
RobinBennett's Avatar
Crawley, West Sussex, UK
Joined Jun 2004
7,372 Posts
That's the one, thanks!

I wonder what happened to the idea, the web site doesn't seem to have changed for a few years.
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Old Mar 11, 2012, 08:54 AM
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VTOLicious's Avatar
Austria
Joined Oct 2007
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Quote:
Originally Posted by RobinBennett View Post
That's the one, thanks!
I wonder what happened to the idea, the web site doesn't seem to have changed for a few years.
Quote:
...The one small fixed wing on the retreating blade side begins to produce lift at high airspeed to coincide when the retreating blade is starting to lose its ability to maintain lift...
What a bright idea!!! But maybe its not that simple

Btw, you can also purchase "the world´s fastest rotorcraft":
Quote:
If you have any questions or comments or if you are interested in purchasing a Challis Heliplane UAV, please feel free to contact us.
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Old Mar 12, 2012, 03:23 PM
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UK
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Looks like they intended to scale it up to full size. The difficulty there is financing, truck loads of industrial aerospace scale financing.
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