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  1. T

    Diesel Auto Conversions in 250-300 HP

    Are there any Diesel/Jet-A auto conversions that are in active use or development? Ideally I am looking for an O-540 (low compression) alternative.
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    Single strut or Cantilever Folding High wing designs

    I am working on a fixed gear high wing cross country airplane. My goal is an ownership experience similar to a Kitfox, with a mission profile closer to a 2 seat Mooney M20. I am thinking about the wing design, and I would like to have higher wing loading, low drag, and a option to store it in...
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    Which plane should I buy for time building? Second owner homebuilt edition

    I'm looking to build time toward a part 135 or 121 job. Eventually, I plan to build my own airplane, but thats not in the cards. On many forums, if anyone suggests buying a homebuilt, the responses tend to range from "You are going to kill yourself" to "Anything other than an RV is not worth...
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    Best CAD tool for modeling and simulation on for a homebuilt.

    I would like to learn about modeling and simulation as it applies to aircraft. My initial plan is to learn a system by modeling an existing design and running tests on it. I have been eyeing FreeCAD, to get started now. But I want to make sure the outputs would be compatible with Solidworks...
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    Experimental Pilots, How do you handle insurance? (Especially for non-certified engines)

    I have been shopping for an experimental with the intention of flying it until I can build my own plane, but when I attempted to quote insurance on 3 of the planes I looked at, I was told they were not insurable. Ideally, I want full coverage, but I am hesitant to fly without at least...
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    Turbocharged engine options for a 2 seater - what would you consider?

    I'm looking at turbo engine options for a 2 seat plane, something along the lines of a Whitman W8. The big points I would like to consider are: Under 220lbs installed Minimum 90hp @ 9000ft DA Ability to run on pump gas I can buy anywhere (including E10) Forced induction for consistent takeoff...
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    Inspection, Care and Feeding of Aircraft VWs?

    What is the best source for learning how to inspect and care for aviation VWs? What do you suggest for an inspection procedure for condition inspections? What does a pilot/mechanic whom has flow only behind certificated planes need to know to make this engine fly reliably for a long time?
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    Overhauling a HAPI 65HP VW, What to expect?

    I am looking at a Dragonfly with a 65hp HAPI VW engine that "needs overhaul". I am trying to find out what would be involved in a 0 time overhaul, to budget for a worst case scenario. I have worked on VW air cooled engines previously, but not for airplanes and never an overhaul. I know the...
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    Aeromomentum install and operation questions

    Does anyone here have hands on experience with Aeromomentum engines? I'm looking at a formerly flying 601 that needs an engine, and I am considering auto conversions. I like what I have read about the Aeromomentum engines, but when I e-mailed them with questions I did not get a reply. I am...
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    Wren 460, Peterson 260SE, King Katmai 182 - What are the design concerns of a 3 surface STOL Mod?

    I have been reading about the King Katmai for years, and I am fascinated by its performance characteristics. Wikipedia for those unfamiliar with this mod. Mainly, I love the idea of operating out of 500' and cruising over 150mph. The idea of a 3 surface STOL mod on an Experimental is really...
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    Zenith Carb In-Flight Adjustable Mixture?

    I've been reading about the Thatcher aircraft, and they run Zenith Carbs without mixture controls. Can mixture controls be added to a Zenith Carb or would that require a different carb?
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    Re-Drive, 95+ HP VW Engines?

    Valley Engineering is advertising a redrive for the Great Plains 2276/80Hp that puts out 100hp at 3800 RPM. What other companies are using ReDrives on VW engines? What kind of longevity and reliability are they seeing? What impact does raising the thrust line 6" have on handling (esp. in low...
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    Validating Aircraft Design/Modifications

    I have been reading about building various aircraft, and some of the modifications that are done to them. I am leaning toward an all-metal build, but some research has resulted in some interesting thoughts. The 3 things that really made me think were: 1)A CX-4 where the wing ribs were...
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    CNC Cut Composite Panels

    It seems to be an old, dead project, but today I found the MakerPlane, a project to build an open source plane design that seems to have been abandoned unfinished 5 years ago. (makerplane.org) The thing that seems really interesting to me is the CNC cut composite construction, but I am having...
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    Minimum panel to meet the "Technically Advanced Aircraft" Definition?

    Mental exercise: What is the Cheapest way to meet the "Technically Advanced Aircraft" Definition required for Commerical Pilot's Licence?
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    E-LSA on older aircraft/kits

    I'm new to this, but the FAA's E-LSA rules make me excited about the learning opportunities. I have a list of planes I am considering, but I have also been looking into older kits that are being resold. I am mostly looking at Avid Flyer Clones, and I have noticed a couple older kits that are...
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