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  1. R

    Rutan Boomerang Variant

    Ahoy, All, My offering today is a Boomerang based airplane. This Rutan design has MUCH to offer in terms of performance and efficiency. Third-hand observations suggest that the need for re-trimming is a PITA, but I suggest that modern methods and/or autopilots can eliminate that problem...
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    New Design Configuration

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    Bob Belter Airplane design

    Ahoy, Homebuilders, Homebuilt Aircraft & Kit Plane Forum I have a very detailed revelation of my airplane design, no longer a B 82-E twin Mustang style, but a tractor fuselage mounted engine, with a second tractor engine, pylon mounted, which is my ‘winner’, along with .DWG files which you can...
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    Twin engine f-82 style

    Ahoy, Homebuilders, I have an airplane design which follows the North American F-82 style, with two Aeromomentum engines. My write-up and .DWG drawings are far too elaborate to simply post, so I need some advice on an appropriate next step. A Merry Christmas day to ALL. /s/ Bob --Robert...
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    New airplane design

    Ahoy, Kitplanes, I have a new twin engine airplane design, but it is way too elaborate to simply post it. I have spent a lot of time trying to find out how to contact Mark Cook, to no avail. I need some advice on 'what-next'? Enjoy /s/ Bob Belter Carmel CA EAA 8444
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    Aeroelasticity

    Ahoy, All of you airplane builders, The title notes aeroelasticity, but it is that of a swept wing twin jet (A3 skywarrior) of 60+ years ago. This is so far away from present day homebuilt airplanes that I ask if any of you want to take a look at it? If so, please note any interest in the...
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    Modern jet Airplane drag

    10/11/2022 Ahoy, all of you modern Aero Engineers. ( I are-wun, but near to 60 years out of date). (I was the NavAir Design Officer of the A6-E intruder. It turned out OK, with about 500 built). My query is: Please define/explain the aerodynamic drag of the ‘scrotum’ under the wing/fuselage...
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    PDF of Aeromomentum AM1.5T and AM 20T

    Ahoy, All, I am not able to find three view PDF's of the subject engines, to 'rough-in' a design using either. ( I do have an earlier PDF of the slant AM 1.5 engine). Does anyone have such? Thanks /s/ Bob Belter EAA 8444 [email protected]
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    High compression at altitude

    7/17/2022 Ahoy, Homebuilt Aircraft & Kit Plane Forum, below you will find a dialogue between myself, and the smartest engineer who I have ever known. (Name redacted). He is the gifted designer of airplane engines, PSRU’s, and a lot of other projects. Please read my bottom discussion first. He...
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    Push/Pull twin Sport Plane

    10/8/21 Ahoy, Airplane Homebuilders, Below, I offer my concept of a ‘Push-Pull’ twin airplane. Seldom seen, for various reasons. My thinking on this subject is that the rear engine presents both CG and aerodynamic base drag challenges, and that a suitable drag-fix extension shaft is a...
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    Prop flange SAE #2 for push/pull airplane

    10/5/21 Ahoy, Airplane Homebuilders, Below, I offer just a bit of my concept of a ‘Push-Pull’ airplane. Seldom seen, for various reasons. My thinking on this subject is that the rear engine presents both CG and aerodynamic base drag challenges, and that a suitable drag-fix extension shaft is...
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    2020-Sept 20thReno Racers:

    2020-Sept 20th Ahoy, HomeBuiltAirplanes: Dark-of-the-night thoughts :::: Reno Racers: Very high level development, but innovation ???? It comes to my mind that the only significant innovative ‘thingies’ which I have seen there (years ago) are vapor phase cooling, and, the...
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    Bob Belter -- New member (but NOT new) EAA #8444

    I am a retired U.S. Navy Tail hook Aviator. Still designing, but only to 'one significant figure'. Not flying or building.
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