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HeliProz . ZoomsHobbies . HeliHobby

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Autogyros - Gyrocopters > Convert a heli to an autogyro?
 
 
w8qz
Veteran
Location: Walker, MI - USA

Anyone tried converting an old (semi) junker heli (i.e. an old Concept 30) into an autogyro? Seems like you could strip out a lot of stuff, hang an engine & prop on the front, and rig up some kind of rudder in the back. Add some sort of landing gear, and fly it?


Never underestimate the power of very stupid people in large groups.
12-20-2004 Over year old.
 
 
Fullagas
Key Veteran
Location: Michigan

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Someone did exactly that, and to a Concept 30 too! They flew it on a hill that had mucho wind. Had the pics in his gallery here, too. You'll find them if you browse.

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I might not be very good, but I'm fun to watch.
12-21-2004 Over year old.
 
 
Derek Round
Heliman
Location: Bradford, UK

Yes, did just that to an MFA Sport 500 (fixed pitch) about ten years ago.
Actually lowered the boom, put an engine (pusher) in it's original place, and a cruciform tail at the back with elevator and rudder controls. Kept the original canopy, tilted back the mast and reversed the blade pitch. Put a trike u/c on it as well. The swashplate was controlled in pitch and roll.
Looked great, but....
Tried to fly it on several occasions.
It would go like stink, but never leave the ground, even though the blades would get up to speed.
Came to the conclusion, at the time, that it was just too heavy....ie the disc loading was too high....and it was difficult to add bigger blades. This has been borne out since as research has shown this conclusion to be the correct one.
So bear in mind that you will need to make sure the disc loading is LOW enough, if you are to be successful.
Good luck if you try this!
01-18-2005 Over year old.
 
 
Rafael23cc
Key Veteran
Location: Junction City, KS

I took the liberty of pointing to this guy's gallery. He is the one that has a Concept 30 as a slope flyer. Not exacty an autogyro, but an extreme conversion after all.

DangerousDick Gallery

Rafael

Keep your feet on the ground, but your eyes on the sky.
01-18-2005 Over year old.
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Helicat
Heliman
Location: Wichita, Kansas

Try and find some flat bottom blades so you can generate maximum lift at a lower rpm. Then put on some kind of elevator and rudder on the back . Gyrocopters dont like a nose down attitude it can kill rotor speed in a hurry. I would not draw any rotor blade energy to run the tail fan it would probably use up to much energy. I have a Kombat Kopter gyrocopter which is kind of a flying pig. It does fly but can be a handfull. I seem to find a new way to crash it every time I fly it. Good luck on your endeavors. Helicat
01-18-2005 Over year old.
 
 
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Autogyros - Gyrocopters > Convert a heli to an autogyro?
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