Recent content by cptcliffhanger

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    O-100-- interesting new engine

    shutup about HP numbers and take my money!
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    O-100-- interesting new engine

    As i recall pete made the con rods and pistons quite a bit lighter than o200 bits.. less hp spent making that mass make U-turns will account for some HP per cylinder gains as well as the increased CR over an o200.. I too am curious to know what the real dyno results are on the final config, but...
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    Battery powered 103

    Perfect. then I'm not limited to 5 gallons then! I can carry as much as I want
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    Battery powered 103

    I've read it all.. I think youre missing my point. I'm not asking for a weight increase. just a decision on the definition of batteries that is analogous to what fuel is. usable fuel is not part of the empty weight of a part 103 legal aircraft. how they determined that batteries should be part...
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    Battery powered 103

    first off, it's nonsense because it doesn't suit my needs.. that's reason enough as far as I can tell. furthermore, I dont believe it in any way honors the intent of part 103. Obviously the wording in part 103 did not take electric power into consideration at all. it wasnt even considered a...
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    Battery powered 103

    that letter is complete nonsense.
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    Cantilever wings and 4130 fuselage questions?

    peter, Digging the design goals and priorities! also the 3D model.. I learned an neat trick from a guy that you might get a kick out of.. he would mock up his steal truss type designs (not unlike your fuselage) with toothpicks and hot glue.. this shows you right away if you have properly...
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    Cantilever wings and 4130 fuselage questions?

    that's right VB! he also had a very clever wing design that gave you washout that could be built on a flat table. aside from the very tip, the D box was constant from root to tip, and the trailing edge was also constant from root to tip.. the only thing that changed was the chord length and...
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    Cantilever wings and 4130 fuselage questions?

    Les Passed away a few years ago.. If there is more info about it, I'd love to stumble upon it.
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    Cantilever wings and 4130 fuselage questions?

    Les King did cool stuff along these lines. his mixer had the same DNA as the horton posted earlier. I wish there were drawings out there but all I have are pics i took with my moms minolta 35mm camera back in the '90s it's hard to imagine a layout with lower parts count and simpler build.. plus...
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    Cantilever wings and 4130 fuselage questions?

    All joking aside, unless I missed a youtube video that explains the death of SN 2, it wouldnt hurt to discuss what went wrong if you want help making sure SN 3 is a great success! there may be some lessons learned there that would help move the conversation forward. S
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    The future of Part 103

    it's a challenge that the hang gliding and paragliding community has managed to overcome. I don't see why we couldn't take a play from the USHGA playbook and have dual training flights in part 103 legal. hell they're even doing flights for hire 100% in the form of "pay for a scenic ride" just by...
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    Kolb Ultrastar vs Kolb Firefly

    no glider that I'm aware of can maintain any speed indefinitely in straight and level flight.. unless you're in lift, but that isn't the aerodynamic equivalent of straight and level flight, that's the aerodynamic equivalent of being in a dive equal to the rising air mass.. soooooo every...
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    Kolb Ultrastar vs Kolb Firefly

    if there are detailed drawings out there, I'd love to get my hands on them.. I afraid the chances of getting them diminished greatly when he passed away.
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    Kolb Ultrastar vs Kolb Firefly

    Les king pretty much had this sorted out years ago (mid late '90s as I recall) he called it the primmer and it was Part 103 legal, minimal parts count seemed to perform quite nicely.. got a few pics from a 35mm film camera I took of it in action at Tehatchapi.. pretty cool plane albeit way off...
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