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    Toyota 2.2 D-4D New Engine of Choice

    Auto diesels in aircraft Hi Kumaros, your choice of engine is interesting. We too had looked at this engine. However your choice could include many other new diesels. The latest high horsepower diesels include Peugeot / Ford DV6 - 138hp 4 cylinder, 750,000 made per annum Honda 2.2litre...
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    Basic Design Question

    steel for spars Norman, It's interesting your comment on steel as a spar material. Hawker Hurricanes in WW2 had tubular steel spars inboard and aluminium outboard. Shrimphead, Having built a revised Stolp SA500 ultralight, wood is an excellent choice of material for the spar and ribs on...
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    Double delta wing design

    double delta MPV Michael, What an ambitious project! Just ran through the memory bank for designs as per your double delta MPV concept. I can't think of any, but here's a few things to consider. As an example, take one complex Lancair IV-P. Experienced builders take 2000-4000 hours to...
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    Chevrolet engines

    direct drive engines Hi Lads, Thought I'd add a little history to the topic. Steve Wittman ran a direct drive inverted Buick V8 in his Wittman Buttercup too many years ago to remember. It flew successfully for many hours after sorting the installation. I've not seen plans for this...
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    Beachner V8 Special

    Beachner Special Thanks V8guy for the details on Chris Beachner and his unfortunate accident. When his plane first appeared in Kitplanes (circa 1895), I wanted to build it there and then. I bought the plans and rushed off to the local Aussie airport to check the procedure for experimental...
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    Inverted landing gear question

    inverted landings Hi CJ, Great joke, had me wondering for the first few lines. The only time I made Oshkosh, some silly joker had installed landing gear on the top wing of his Pitts Special. Just for laughs his aerobatic display included landing inverted. Rather than be dumped...
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    Diesel power

    Why a diesel? Diesels are an interesting proposition. We have just installed one in an RV9 - shortly to fly. It's a Wilksch aero diesel from England - 3 cylinder, 120 hp. It's specs are good - low fuel economy, direct drive onto MT 3 blade prop, reasonable weight, intercooler...
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    Pros and Cons of Aerodynamic balancing

    Thanks for your comments. Our little Stolp has Frise aerolons as per the original. regards Puggo
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    Pros and Cons of Aerodynamic balancing

    A very interesing topic.... Fresh out of university, friends asked me to revise a Stolp SA500 from O-200 to a 44hp Rotax. We kept the general arrangement of the aircraft, but revised the wing sweep from 5 degrees to 15 degrees to counter the reduced engine weight. Flew beautifully except...
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    Counter Rotating Propellers

    Are you building a Cri Cri? It has two single piston engines running 30 inch propellers - NOT contra-rotating. At the RSA show in 1991, a good example buzzed the field doing astounding aerobatics. Sounded and looked like a bumble bee in flight due to the engines and tiny radii of its manouvres...
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    wood / metal

    You might want to look at the Australian design - Corby Starlet. This is a tried and tested design single seater in wood and VW engined. Heres an example http://members.shaw.ca/kingdws/frameset.html. Puggo
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