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Hot Wings
Junior Member
Last Activity: 04-15-2019, 11:01 AM
Joined: 04-03-2019
Location: Rocky Mountains
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  • Hot Wings
    replied to Rotor sweep?
    And it could be my lack of rotor experience. I was kind of hoping to get your response on this thread. I'm a bit busier today than I expected and I need some time to put my words together properly. Thanks for taking the time to help me learn!

    Sorry to hear about the fire today. It...
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  • Hot Wings
    replied to Rotor sweep?
    Should be? There may be some miscommunication here due to the limitations of data exchange on a an internet forum - and some language translation error.

    This isn't the way any of the rotor stringing procedures I've run across are done. Even if the CG was used as the alignment point it...
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  • Pitot location on a tractor gyro?

    Short of running tubes through the center of the PSRU and out the spinner where might be a reasonable location to mount a pitot tube on a tractor gyro similar in configuration to the old Pitbull? I could mount one on one of the forward mast tubes that would be out of the prop stream. I know that the...
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  • That is welcome input!
    Will save me about 3 or 4 pounds and get rid of one more hazard in the cockpit in the event of a crash....
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  • Dragging out an old thread:
    I started to do some calculating on control pressures for my part 103 tractor gyro project so I could start picking hardware for the expected loads. When I got ~500 ft lbs of torque being needed to move the rotor 9 degrees at a 2 "G" load it was obvious I...
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  • Hot Wings
    replied to 6061-Т6 temporary de-temper?
    Similar to my first thought. If he already has a form for the leading edge stretch forming might be the way to go.
    Softening 60XX isn't hard. The heat treat needed to get the strength back can be....
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  • Hot Wings
    replied to Rotor sweep?
    Thanks for the link! Looks very useful.
    I did not have that paper. 440 pages! It is too bad that NASA is so much more verbose in their reports than the NACA was....
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  • Hot Wings
    replied to Rotor sweep?
    I don't mean to confuse - but that is the result too often. Keep in mind that I can be quite dyslexic at times.

    Not all of my fixed wing aero theory knowledge may translate to rotor craft. I'm hoping others here will guide me down the correct path.
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  • Hot Wings
    replied to Rotor sweep?
    Given a totally rigid teetering rotor, sweep would make no difference. With lead lag pivot, or rubber mounts, there can be no sweep, unless it's designed into the blade similar to the "V" shaped rotor tips

    A straight rotor with forward sweep as it is flexed upward also has it's...
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  • Hot Wings
    replied to Rotor sweep?
    The rubber bushing on your rotor would pretty well eliminate any possibility of inadvertent sweep.

    Imagine a classic Bensen bolted block attachment but the mating ends got milled 1/2 degree off from 90 and assembled in the most adverse way. An almost imperceptible error with rather large...
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  • Hot Wings
    replied to Rotor sweep?
    True- and there are some pretty knowledgeable individuals here as well. I'm pretty good at sorting out the good bits of grain from the mouse droppings.

    I've done a fair bit of research relating to swept flying wings as part of my fixed wing part 103 project and know how important aeroelastic...
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  • Hot Wings
    started a topic Rotor sweep?

    Rotor sweep?

    My interest is in building an ultralight tractor gyro. Designing something that flies well and is a legal US part 103 is hard enough for a fixed wing. To get good performance with part 103 restrictions means optimizing as much of the aircraft as possible - within a defined budget.

    To...
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  • Hot Wings
    replied to Looking for a new challange
    Arguably even more value than for a fixed wing. I totaled a weight shift trike on my first, attempted, flight in that type of aircraft and still have a piece of the broken nylon wheel as reminder. I like to think I can learn from, some of my mistakes........
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  • Hot Wings
    replied to Looking for a new challange
    Why an ultralight rather than an N numbered gyroplane?
    Tired of the bureaucratic FAA. I'll never again own a certified plane unless the spreadsheet says I'll make money with it. That includes LSA even though I helped craft the ASTM standards for fixed wings. Finding a DAR for fixed wings is...
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  • Hot Wings
    started a topic Looking for a new challange

    Looking for a new challange

    Long time aviation nut. Bought my first project, an Aeronca, way back in '78. Also have had an interest in gyros for just about as long.

    Why Hot Wings? It's a reference to Icarus to remind me that Experimental aviation has risks. I like building as much as flying. I'm a wanabe engineer...
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