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    Anahuac 2019

    I am surprised to have not seen more buzz on the upcoming fly-in. Planning to attend; hope the cool weather wins out ! Brian
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    The forum is in decline; why?

    Cammie opines (https://www.rotaryforum.com/forum/rotorcraft/piloting-technique-accident-discussions/1139915-chris-lord-october-31-2018/page11) something I've noted previously: This online forum is in decline. I'm asking "why?" and what can be done about it? I'll start off with the "circular...
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    I miss hearing from Norm

    It has been a long time since I have seen a post by Norm. He always had some innovative ideas; often on the gyroplane fringe ! My suspicion is that he is a victim of the forum format change; I don't know that I've seen a post on here since the change. If anyone has his contact info, please...
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    I miss hearing from Norm

    It has been a long time since I have seen a post by Norm. He always had some innovative ideas; often on the gyroplane fringe ! My suspicion is that he is a victim of the forum format change; I don't know that I've seen a post on here since the change. If anyone has his contact info, please...
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    Ignore list

    Todd, my ignore list does not seem to be working. I checked and the correct names carried over from the last forum version. Does something else have to happen? Brian
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    Gyroplane, Gyrodyne, or Helicopter

    How is D. Degraw's "Gyrhino" classified by the FAA ? Per the definitions: Gyroplane - ... a rotorcraft whose rotors are not engine-driven, except for initial starting, but are made to rotate by action of the air when the rotorcraft is moving; and whose means of propulsion, consisting usually of...
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    Adding "contains picture" to Search Tool

    Howdy Moderator/Admin types. I was just about to ask Birdy if he has posted any pictures of aircraft, then thought about SEARCHING for it instead. What I am requesting (please) is that you add a box to check that says "contains pictures" or somesuch to the Search tools. That way, I would only...
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    Sikorsky R-4 Hoverfly restoration

    I saw the attached article in the latest Commemorative Air Force newsletter. There is an opportunity to restore an example of the earliest mass-produced helicopter, the Sikorsky R-4 Hoverfly. The R-4 was used at the end of World War II in SE Asia to evacuate wounded troops. If not...
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    3D solid model; teetering rotorhead

    I am looking for a solid model (.stp file or SolidWorks) of a 'typical' 2-blade teetering/tilting rotorhead. Anyone have such that they would post/send? For my educational purposes only; not for manufacture. Failing that, a very detailed drawing with dimensions would be great. Thank you, Brian
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    Jettisonable rotor tip weight

    I was reading another thread regarding blade tip weights and had a thought that I would like to discuss. For a jump take-off system, more blade inertia would be good. Placing the weight at the tips is the best spot. Conversely, for agility, less rotor weight is better. Also, less overall...
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