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HelicopterOff Topics › Ring-protected rotor blades?!
08-08-2007 02:51 PM  10 years agoPost 1
SkateFreak

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Cambs UK

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I'v found a small portion on wikipedia about this but am finding it expectationally difficult finding anything else about this theory.

I dont suppose anyone could clarify over the theory of *Ring-protected rotor blades*?

Any thoughts would be much appreciated

Best regards

-Jvr

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08-08-2007 03:01 PM  10 years agoPost 2
Tommy Z

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Lubbock, Texas

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Hmm

Are you talking about a 'ring' that makes the shape of the disc when the blades are turning? Like a ring that goes from the tip of one blade to the next? If so, I recently saw this, too. I had a link to another site that had info about them. I'll let you know if I find it.

-Tommy Boy

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08-08-2007 03:04 PM  10 years agoPost 3
MasterCrash

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Gassaway, Tennessee

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Ring Blades,,

Radio Shack sold a Coaxle that uses them, I think it was called the Mosquito or wasp.
Scott

"""Unless you want to join a Religious Movement, DON’T drink Holy Water and Castor Oil"""

And I thought that I Would never CRASH!!!

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08-08-2007 03:11 PM  10 years agoPost 4
SkateFreak

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Cambs UK

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hey yes!
A ring from one blade to the next to protect from blade strikes.
I was reading into full size helicopter dynamics and was curious as to how they would propose such a system and how it would effect the dynamics of flight having the blades secured at equal distances...

-Jvr

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08-08-2007 05:00 PM  10 years agoPost 5
Leif

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USA

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Shrouded Tail Rotors

Modern helicopters with shrouded tail rotors are essentially employing the ring protection concept, but only with the tail rotor. The benefits are:

Less chance of the tail rotor hitting something
Less noise

Implementing a protective ring on the main rotors is akin to proposing an airplane without wings to protect against hitting the wings on something. It might work on a different kind of aircraft (UFO-shaped with propellers embedded in the airframe) but is not practical for the existing helicopter design concept.

Leif

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