About the coaxial rotor - Page 2 - ED Forums
 


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Old 07-09-2008, 05:52 PM   #11
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You can never prevent a collision. It has less to do with stiff blades and more with rotor disk tilt. You'd have to further separate the rotors, but then I think you start losing some of that counter-rotating rotor efficiency.
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Old 07-09-2008, 07:06 PM   #12
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Quote:
Originally Posted by GGTharos View Post
You can never prevent a collision. It has less to do with stiff blades and more with rotor disk tilt. You'd have to further separate the rotors, but then I think you start losing some of that counter-rotating rotor efficiency.
Thanks GGTharos

I did some digging around and found this: http://aeronode.com/aero/18/sikorsky...run-in-october
Also this: http://www.aviastar.org/helicopters_eng/sik_s-69.php

Blaze1

Last edited by Blaze1; 07-09-2008 at 07:17 PM.
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Old 07-09-2008, 07:09 PM   #13
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There you go.
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Old 07-09-2008, 08:10 PM   #14
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Quote:
Originally Posted by Blaze1 View Post
Thanks GGTharos

I did some digging around and found this: http://aeronode.com/aero/18/sikorsky...run-in-october
Also this: http://www.aviastar.org/helicopters_eng/sik_s-69.php

Blaze1
Nice find!
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Old 02-03-2017, 07:24 PM   #15
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Here is an old NASA article on Coaxial rotor systems: https://ntrs.nasa.gov/archive/nasa/c...9970015550.pdf
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Old 02-03-2017, 07:38 PM   #16
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Almost as old as this thread!


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