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  1. Algoa

    Design for two place Adam A500?

    I am in need of a fast two place CLT twin design for a very particular mission but am unable to find plans for one. I guess I’ll just have to design it myself… uh, somehow… Mission: My wife and I are SEL pilots and avid scuba divers. We are setting up a retirement home on the Honduran island...
  2. Algoa

    Why so few V-Tails?

    Why do so few designs have V-tails? To my simple mind they look like they would weigh less and have 1/3 less wetted area.
  3. Algoa

    How does an engine mount come to be?

    Let's say that I have a novel airframe/engine combination (I don't, but let's just say I do). How would I go about building a conventional tube steel engine mount for the combination? Immediate questions that come to mind: How do I know what WL the center of mass of the engine goes on? Do I...
  4. Algoa

    Cost of Certification - Why?

    I know this is a simple-minded question, but, having no experience with the certification process, it is where I must begin. Why does it cost so much to certify an engine or an airframe? I mean, the mfg must have all the technical data it needs from developing the product in the first place...
  5. Algoa

    EAB Airworthiness Certificates Issued Per Year

    Does anyone happen to have an educated guesstimate of how many EAB airworthiness certificates get issued per year? I Googled 'airworthiness certificates issued per year' and didn't get anything that answered that question.
  6. Algoa

    Number of Cylinders : HP & Torque

    Let's say you have two engines: they have the same displacement and stroke but one has 4 cylinders (180* between firings) and the other has 8 cylinders (90* between firings). How should the two engines compare in regards to HP and torque? That is, all other things being equal, what effect does...
  7. Algoa

    Annual zero-time engines count

    Does anyone happen to have an educated guesstimate of how many zero-time engines in the 150-200 hp range get delivered each year in the US? (new engines + rebuilds)
  8. Algoa

    DIY TSO Certification?

    From the EAA website in an article titled 'Equipping a Homebuilt for IFR Operations' Does anyone know of an instance of a builder actually doing that? (verify/document performance to TSO standards of a GPS)
  9. Algoa

    Vision plans

    Anybody out there want to sell me their Vision plans? (EX + tricycle preferred)
  10. Algoa

    Curing a homemade prepreg wing?

    I need a sanity check here. Let's say I had a 12' build table that had one or two layers of blue or foil-backed hardware store insulation fastened to the underside of the build surface. Let's also say that I had a 24" tall insulated box that could be set on the table (open side down) to form a...
  11. Algoa

    Why are there no 300kt plans-built designs?

    There are a number of 300kt designs available as kits... Why are none available as plans? Is the cost of designing a 300kt design so high that selling kits is the only way to get ROI? Are the manufacturing requirements so high that no homebuilder could ever hope to achieve them?
  12. Algoa

    How far do you live from your home airport?

    How many minutes away from your home airport do you live?
  13. Algoa

    What's the right U/L for me?

    I am assembling a line-up of Part 103 aircraft for flying out of my backyard (450' grass with 20' obstacles on each end, elev 32' MSL). Requirements: Must look like an airplane (ie LegalEagle, Airbike, Belite UltraCub, etc) Must be able to get a 250# pilot in/out of that 450' strip (duh) Must...
  14. Algoa

    Anything bad to say about the Vision EX?

    I am about this close >< to ordering a set of Vision EX plans. It fulfills every one of my mission needs and appears to be the perfect plane for me and my wife. I have been reading and reading, and haven't found much negative press at all, but before I seal the deal, due diligence requires me...
  15. Algoa

    Looking for my perfect design...

    I am looking for my perfect plane... has anyone seen it? It has the following characteristics for sure: plans built 2-place LSA weight, if a smaller engine from its range of engines is used (overweight for LSA is OK, indeed expected, if a larger/faster engine is used) LSA stall speed...
  16. Algoa

    What plane is this?

    What plane is this? 2-person+baggage does not need to be LSA 200kts @ 75% cruise side-by-side seating <150hp auto-conversion (or twin 80hp autos) fixed pitch plans built (not kit, tho availability of complex parts might be nice) any home-workable material completed units flying improved...
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