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  • #46
    Bloody ell, this is all too heavy for a SCG, I'll just stick to chase'n cows I reckon.Ignorance is bliss............but only till you realise you were.You can always get the answer you want, if you ask enough experts.

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    • #47
      Birdy, You mention from time to time that one of your gyros is non stab'd and that how you need it for th work you do. You've also been good enough to mention that you learnt to fly the rotors, so I wondering here, does flying the rotors mean you maintain your aircraft's balance by greater input( more positve movement) from the stick and engine rpm than that which would be required by a stab'd machine?Ted

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      • #48
        I don't think we can assume the wind is parallel to the ground, some of you may recall a post I put on some time ago "Lillienthal discovered it". He found that the wind rises at an average of 4 degrees. This would appear to make landing up a slope into the wind even more difficult.It sounds to me that Cranbourne would be a good place to investigate this by attempting to reproduce his findings and actually seeing what his "horizontal windsock" would show at various parts of the strip, and at varying heights.John EvansThink logically and do things well, think laterally and do things better.

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        • #49
          John, Wind rising at an average of 4 degrees may well have something to do with the friction layer effect and or radiated heat would it not?Ted

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          • #50
            Yes Ted, that's my understanding, i.e. the friction effect. We all know that accellarating an airstream lowers the pressure, that's how the venturi in a carburettor works to pull fuel up into the airstream, it seems fairly obvious that slowing an airstream will increase the pressure and so push the following air up. I don't know if anyone has repeated what Lillienthal did, but it's probably time we did!As I remarked in the previous thread on this subject this may well have a lot to do with the enormous and sometimes unexpected difference in performance between downwind and upwind t/o and landing when the breeze seems to be only a few knots.John EvansThink logically and do things well, think laterally and do things better.

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