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Recent content by gugu

  1. gugu

    2/rev vibrations

    You have a trim tab or lack of one used for forward flight track is it the old style head and blade or new style,? if its old style add chord weight it stablize the blade aerodinamic ballance then track with nutral tab and check with a test flight using tab for fwd flight track,It sounds like...
  2. gugu

    High Foward Speed

    The RoterMouse is a 600 lbs helicopter (empty) with 145 hp turbo-shaft (jet) power plant single seat taper,camber/chord of 21 ft die. cruise speed is 160 mph Its the power/weight ratio and simple design
  3. gugu

    Aerodynamics ~ Yaw and Twin Rotors

    The Q H 50 by Gyrodyne Had the answer .Look it yp.
  4. gugu

    I need your opinion on a counter rotating design.

    Im not too worried about the rotor ballance but the power plant will be the kicker,fuel & lubracation systems ? and the mass & structure required......
  5. gugu

    Tail rotor position

    the efects on the thrust side of the tail rotor is more critical than on the "in bound side" as the air has yet to be accelerated or reacted on the blade surfaces. Its just going with the flow......./''''''''
  6. gugu

    Helicopter Aerodynamics

    The negitive camber of the stablizer,is to pull the nose up to streamline the helicopter for less drag (Higher cruise)
  7. gugu

    T53-L-11C Turbine Engine

    Nothing.
  8. gugu

    A VERY LIGHT ALL ALUMINUM ROTORBLADE

    Keep it lite. ribs of .050 too heavy look at early Sikorsky blade construction,chech out Igors history.
  9. gugu

    Number of blades

    The simple way to put it what do you want in a rotor system. the more blades you have ,can reduce the blade eliment loading but your autorotation will be over less distance (with the hughes 300 look at your heels thats where you go a Bell 206 look at the lower part of the windshild and thats...
  10. gugu

    mechanical linkages

    Thay are linked to a mixing system that compensates for the change,some are simple and others are a form of self abuse. Check out the helicopter sites,
  11. gugu

    NACA-8H12 Airfoil

    Mr.Hollman in california has the program check Aircraft Spruce & speciality for his book (Gyor copter design hand book)
  12. gugu

    BELL 407 CONTACT PRESSURE

    Take gross wt devide by contact area and adjust with actual A/C center of gravity . rule of thumb is 60/40 in favor of the rear skids.
  13. gugu

    S61 single engine operation overtorquing

    what happens is you over torque the in put pinion gear is beyond its raiting. In twin engine mode you are deviding the power in to two seperate drive gears in the transmition. the load is shared between the two engines and trans inputs, the engines will produce more power than the trans can...
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