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  1. O

    Light weight diesel auto conversion

    https://linkecu.com/ This is an ECU Company in NZ that does all sorts, including Diesels. I was talking with one of the Managers of the Company at Big Boyz Toys in Auckland a few years back, and they were already developing a Diesel Engine ECU for an Aircraft Application back then. I haven't...
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    Light weight diesel auto conversion

    Hello all from NZ where Fuel prices are more than $13/ GAL !! Apologies for the late entry into the discussion around using Automotive Diesel Engines in Aviation. In my opinion, it is the ONLY way forward for light Aircraft of the future, especially if you want to travel further than an hour or...
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    Airframe from non-aircraft grade material.

    The BD-4 is probably one of the first Homebuilt Kits available from back in 1968, and still going strong today. It's fuselage is folded 2024-T3 0.063" Angles Truss Frame, screwed together for simplicity, and it is very strong, rated at +/- 6G which is not bad for a 4-Seater. Scaled down to Light...
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    Airframe from non-aircraft grade material.

    Yes, I am an active member of both FB groups. Thanks As to forming Ribs, 2024 must be formed in O-State then Heat Treated if a smooth flange is wanted, otherwise they need to be tabbed or scalloped with fluting pliers, but even commercial grade alloy needs flutes or tabs to cope with curved...
  5. O

    Airframe from non-aircraft grade material.

    You are right that the core Alloy of 2024 is worse for corrosion than bare 6061, but the cladding on the ALCLAD Sheet 2024 does a great job of protecting the surface, especially when primed. Areas of danger are where Steel Screws and fittings contact bare alloy, where dissimilar metal (or...
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    Airframe from non-aircraft grade material.

    Gidday from NZ. I'm an A&P Tech of 41 years of experience at all levels from Building Iroquois Tailbooms from scratch to doing significant repairs in everything from Cessnas to A4 Skyhawks, and Hercules to Boeing 727s. I am also an Aircraft Builder with a BD4 and BD5 Kit on the go. I am all for...
  7. O

    Rivets - simple misunderstanding or misled by liars?

    Gidday Bob, I'm an A&P Tech from NZ with 40 years of Experience including 15 years of teaching my Trade. You can buy AN426 AD4-2 (MS20426AD 4-2 Rivets are the same) Solid Rivets, and they are 4/32" in Diameter (ie 1/8") and 2/16" in Length (ie also 1/8") of which around 0.040" is taken up in...
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