Excellent idea. Contrarotating turbines are superior because there is no net TWIST to the

Space/Science » in reply to re: It's frustrating trying to overcome this obstacle; I could use some 'armchair' engineering advice.

David F Mayer — 5/30/2004 5:39:08 AM (archived)

passing air. Therefore, energy is not wasted producing a vortex downwind. This is why jet engines have inlet guide vanes.

There is also no NET gyroscopic effect, but the two separate effects could produce a serious bending of the support shaft that needs to be engineered for.

The whole thread (10 posts)

It's frustrating trying to overcome this obstacle; I could use some 'armchair' engineering advice. - Jacob Samorodin - 5/27/2004 3:51:59 PM
- If the moment of inertia is so high that gyroscopic forces prefent rotation by a vane in the plane of the Earth's surface, - David F Mayer - 5/30/2004 5:34:49 AM
- Governor - Nick Hoffman - 5/28/2004 7:30:43 AM
  - re: Governor - Tom Brosz - 5/28/2004 1:46:02 PM
- re: It's frustrating trying to overcome this obstacle; I could use some 'armchair' engineering advice. - Greg - 5/27/2004 4:47:10 PM
  - Thanks. (n/t) - Jacob Samorodin - 5/27/2004 4:52:33 PM
- re: It's frustrating trying to overcome this obstacle; I could use some 'armchair' engineering advice. - Tom Brosz - 5/27/2004 3:56:51 PM
  - Excellent idea. Contrarotating turbines are superior because there is no net TWIST to the - David F Mayer - 5/30/2004 5:39:08 AM
    - Structure - Tom Brosz - 5/30/2004 3:15:13 PM
  - Thanks for this advice also. (n/t) - Jacob Samorodin - 5/27/2004 4:53:39 PM

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