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    My brave and crazy Russians in their gyro

    Georgi, I forgot ot mention that Dick’s gyros which do the spectacular vertical jumps are doing it on rotor inertia alone; as you may have noticed, they all have 3-blade rotors which have extra heavy tip weights and means for considerable overspeed of the rotor prior to a jump.
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    My brave and crazy Russians in their gyro

    Georgi, I’m sure Dick’s soft coupling scheme is available to anyone who wants to use it; I don’t think there are any patents involved. Cierva dealt with prop torque by using differentaial pitch on tailplane surfaces but that requires location of tail surfaces in the propeller slipstream. Ron...
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    My brave and crazy Russians in their gyro

    Dick DeGraw uses a soft coupling between engine, rotor and prop; the engine drives a differential, one output of which drives the prop and the other drives the rotor. I flew one of Dick’s machines many years ago and because of the soft coupling, blipping the throttle barely affected yaw.
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    who makes or did make this gyro????

    Pamela, I was not well acquainted with your father, Bob Farmer; our meeting was very brief. I marveled at his proficiency flying a gyro, the Younercopter, during a short display at the Brooksville, Fla airport while all the rest of us were just thumping down the runway. That would have been in...
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    who makes or did make this gyro????

    I first met Bob Farmer at the Brooksville FL airport where he was the first person that I saw actually fly a gyro in the 1960s. As I recall, he was a proficient gyro pilot while the rest of us were just thumping down the runway. Bob and his partner had a gyro design called the Youmercopter...
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    BENSEN DAYS 2021 is Happening!!!!!

    Full flying rudders work just fine if properly designed with an antiservo tab. Without the antiservo tab, they’re twichy and try to swap ends: “feet off the pedals.”
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    The new gyro

    One might say; ‘Tongue in cheek.”
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    The new gyro

    A cousin of mine used to grow cows on a fair scale, Wolfy; here’s the story of him winning a lottery ticket: https://www.sun-sentinel.com/news/fl-xpm-1990-09-27-9002160294-story.html
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    The new gyro

    Sure, Wolfy; that’s special Australian water that doesn’t evaporate and cause humidity. The difference is that Florida is a peninsular separating the Atlantic Ocean from the Gulf of Mexico and with lots of rainfall, wherever one goes, it’s humid. But we grow a lot more cows per acre than you do...
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    Fusioncopter Nano Ultralight Gyroplane USA Distributor

    A gyroplane is the most inefficient method of aerial transport known to man but they sell much better in they look like something that Spaceman Spiff just pulled up in. A gyroplane’s rotorblades are going 500 mph while the rest of it goes 50 mph. Boys and their toys.
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    Fusioncopter Nano Ultralight Gyroplane USA Distributor

    In my experience, the main purpose of a gyro was for chasing feral hogs around Florida bayheads. A toy in other words and a single seat is enough. A Florida bayhead is a low, swampy depression overgrown with bay trees.
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    Fusioncopter Nano Ultralight Gyroplane USA Distributor

    The 4-seater proposal displays a total lack of technical competence. Sort of like the aviation doodles we used to do as high school boys.
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    Fusioncopter Nano Ultralight Gyroplane USA Distributor

    The only gyro from across the Atlantic where the designer appears to have some technical background and to be more than just a stylist copying other EuroTubs is the gyro flown by Joe Peres, the Aviomania GS2. The EuroTub style, low slung and racy like an Italian sports car, was created by...
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    Fusioncopter Nano Ultralight Gyroplane USA Distributor

    Obviously not designed by an aeronautical engineer nor any other kind of engineer but it’s cute.
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    Ben Dixey South west UK

    An NACA-0012 is a safe and proper choice for any rotorcraft. Slightly better performance can be had with modern cambered airfoils with a reflexed trailing edge to cancel the nosedown pitching moment. The NACA-8H12 used by Bensen and clones was an attempt at a laminar airfoil that didn’t make the...
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    Ben Dixey South west UK

    Three of the most important things for rotary wing airfoils are that the chordwise CG and aerodynamic center coincide and that the pitching moment be as nearly zero as possible. The aerodynamic center for conventional airfoils in normally at or near the ¼ chord point. It is silly to try to...
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    BENSEN DAYS 2021 is Happening!!!!!

    If so, not the first time I’ve misinterpreted a photo. All flying control surfaces work just fine if properly designed. If not properly designed, they're awful.
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    BENSEN DAYS 2021 is Happening!!!!!

    Anyone savvy enough to copy a Dominator all flying tail should also be savvy enough to copy the anti-servo tab; without which it becomes a tail wagger feet on the pedals and feet off is likely to swap ends.
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    Can an RV level be used as a Slip Indicator?

    There is no better indicator of wind direction than a weather vane. A yaw string is a carry along weather vane.
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    Can an RV level be used as a Slip Indicator?

    Back in my techrep days, I observed that most F-86s had a yaw string attached to the nose hatch with a centerline painted on. Pilots said they could get a few more knots of airspeed by keeping the string aligned rather than flying on instruments alone.
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