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geoffreywh

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Posts posted by geoffreywh

  1. I remember the last time I encountered a dud plug , 1982, A bloke had fitted BP5ES's to a Kwaker 900. Since then ? none....Dud ignition? 1996 in a 750 Katana, one pick up coil went bad...Still ran, but went onto 2 cylinders at low rpm... I can live with one ignition and single plugs.

     

     

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  2. A friend asked me if I would weld a bung on his 1976 Bonneville exhaust to take a narrow range O2 probe. "Oh of course" I said and asked all about it. He has a data logger and wants to set up his Amal carbs using the 02 probe and a hand held readout. All the rage according to forums. I thought what a good idea for looking at Jabiru engines' carb issues. Also what a good thing to have in the cockpit with a lean mixture alarm? (or rich) Tuning my throttle body with the mixture control at altitude might be easier than "Lean it out until it misfires then richen up a bit" It looks like they cost around $200.... Any comments?.....BTW it seems that the probe should be about 18" from an exhaust valve...

     

     

  3. I spent several years assembling and tig welding Suzuki and Kawasaki crankshafts, same system same reason..... FYI the power output increase was in the order of 150%. Some heat sink...Others got about 1000hp but only for a short time....Never had thru' bolts break though.

     

     

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  4. The "Little (totally absent) Wing" designer obviously feels that it just must have (reliable) 100hp. I can, sort of, see that. As the owner of the Marque you don't want people fitting all sorts of unsuitable engines, getting into trouble and getting your nice flying design a bad name. Of course one can always buy the plans and fit whatever suits you. Certainly as the rotor, & equipment is sooo expensive. I hope Bex can design (and test? ) a cheaper construction method than cutting the wings off a Cub...

     

    Then , with his 3 cylinder engine purring sweetly away, Take China by storm and fill the skies with the chop-chop sound of money.....002_wave.gif.62d5c7a07e46b2ae47f4cd2e61a0c301.gif Isn't the company that makes the rotors called "Dragon Wings?" How appropriate

     

     

  5. In my opinion It all sounds very fishy, I would not be surprised to see the whole thing collapse with enormous losses. What's that system called whereby the new deposits pay the owner and his mates while everybody admires the new aircraft

     

    ( read; suit of clothes) and "production delays" prevent the company from actually making anything at all? Oh yes, Ponzi

     

     

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  6. Reading and watching on Utube I see that stubby wings are very important. It seems that if the aircraft's forward speed can equal the rotor tip speed then the rotor drag is greatly reduced (they said the drag disappeared, but I don't believe that) ...The

     

    pitbull series have, I believe the best looks, the "radial engine" cowlbjjr-bulldog1.jpg.f304947d4f0d5e4ed80b80c8bdb36043.jpg and round fuselage have a very appealing 30's look. The stub wings would have to be detachable or the hangar costs come up again and the advantage vanishes....

     

    pitbull.png.6b5f395f4e058e737c49fb79c5154bab.png

     

    sorry inserting pictures is way beyond me..................

     

     

    • Like 1
  7. Please don't do that. It has to be in good working order, Pull the heads and barrels. Have a close look at the "soft" ( I would have said Fu##ed) cylinder. It'll be the rings or a valve...Not difficult.

     

     

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