What do you think?

Discussion in 'Rotorcraft' started by D Hillberg, Nov 24, 2010.

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  1. Jun 4, 2016 #41

    Blue Chips

    Blue Chips

    Blue Chips

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    Then that's going to be one flat awesome helicopter!
     
  2. Jun 4, 2016 #42

    D Hillberg

    D Hillberg

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    Made it for my big fat awesome butt,
     
  3. Jun 5, 2016 #43

    chuck308

    chuck308

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    That is cool. I wish I was smart enough to build something like that
     
  4. Jun 5, 2016 #44

    Blue Chips

    Blue Chips

    Blue Chips

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    I guess awesome is in the eyes of the beholder then :gig:
     
  5. Jun 10, 2016 #45

    Sockmonkey

    Sockmonkey

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    Like a sideways version of that little Hiller flying platform with the lifting duct?

    Previous NOTAR designs always made me wonder if it would help to profile the tail boom like a fat airfoil to reduce the amount of force the tail rotor has to fight.
     
  6. Jun 10, 2016 #46

    D Hillberg

    D Hillberg

    D Hillberg

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    fat airfoil booms not needed flow fences or strakes will do the job- NOTAR has yaw instability and requires SAS and airfoil tails can't change for different torque events and add drag.

    the coanda/fan fin uses an idea of a smaller fan/fin incorporated together without the draggy boom. It's a work in progress fan & duct done just need to run it... other stuff going now.
     
  7. Jun 10, 2016 #47

    Sockmonkey

    Sockmonkey

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    That's why I suggested the airfoil tail as a supplement rather than the only means of counter-torque. Though I've seen some models fly with a movable rudder at the end of the boom to deflect the airstream.
     
  8. Jun 11, 2016 #48

    D Hillberg

    D Hillberg

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    airfoil tails don't adjust for torque in autorotation they still pull even in a reversed flow and the drag of the txsn + airfoil = you need more yaw control to straighten out the nose

    you also have translating tendency to account for adding an airfoil tail just doesn't help.
     
  9. Nov 28, 2016 #49

    D Hillberg

    D Hillberg

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    Med deck system for Robinson R-44

    What do you think?
     

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  10. Nov 28, 2016 #50

    Topaz

    Topaz

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    That folds up and preserves use of the second rear seat if the med-deck isn't occupied, doesn't it?

    Clever, Don.
     
  11. Nov 28, 2016 #51

    TFF

    TFF

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    It could be useful in some markets. No room for more than a bottle of aspirin, so not going to be trauma care, but for stable patients OK. Enstrom had to come up with a litter for the 480B. It slides and pivots part of the way out on the passenger side. Load the patient and slide them back in with feet in chin bubble. Although not meant for primary care many police departments have a requirement to be able to Evac patients with a department helicopter in disaster time. STC coming?
     
  12. Nov 28, 2016 #52

    D Hillberg

    D Hillberg

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    1-Pilot/1-Doctor/1-Packaged patent or TC injury will hold o2, med kit, and monitor, not a CAMET style EMS but it's better than ground transport when time is the real factor.
    STC will come later, will use 337 for the first batch. the kit installs in 5 minutes from normal seating to deck. :gig:Think going from deck to normal will have a small issue with gorp/cleaning...:lick:

    Right now the kit is installed on a wrecked fuselage (that's how you get the nice back to front view over the rear seat)
     

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