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  1. macquistan

    Looking for 1-26 advice

    Contact K and L Soaring in New York. They support Schweizer gliders. https://www.klsoaring.com/
  2. macquistan

    New Gear Box?

    For a good demonstration (at least for a non gearhead newbie like.me) of even firing vs odd firing V12's, take a look at these videos from YouTube. When the engines are idling you can see and hear how the even firing engines are much smoother.
  3. macquistan

    There's a new V12 coming ;-)

    Aerosport Engineering will be selling the EPI developed Mark 15 PSRU. They have an arrangement with a third party machine shop for manufacturing:PSRU - Aerosport Engineering.
  4. macquistan

    Warbird Replicas 75% F4U

    n Hi Would you please explain the build process on version 2 and 3 listed on your Corsair website. Thanks much.
  5. macquistan

    Warbird Replicas 75% F4U

    Hi. What’s the latest on the 75% Corsair? What will you do with Cosair83? I‘m glad to know that your Corsair project isn’t dead, but has been hibernating Instead.
  6. macquistan

    V12 Alternatives

    Hi. Has anyone considered a Mercedes Benz M275? I think it's heavier than a BMW V12, but not more than a Falconar V12. It also has two plugs per cylinder and a 60 degree bank angle.
  7. macquistan

    There's a new V12 coming ;-)

    Hello, all. Would a Mercedes Benz M275 V12 solve some of the issues of other autoconversions? It's a 60 degree V12 with two spark plugs per cylinder. Would the 60 degree bank angle thelp lesson the torsional forces? Thanks much.
  8. macquistan

    Jurca me109

    Hi. From where did you obtain the updated plans? What engine will you be using? Thanks much.
  9. macquistan

    Parts Wanted Jurca 3/4 Spitfire plans wanted

    Hi. Does anyone have a set of Jurca 3/4 scale Spitfire (MJ-10) plans they would like to sell? Thanks much.
  10. macquistan

    V12 Alternatives

    Thanks for the explanation, Chris! MEDEVAC, too bad you couldn't use a GMC 702 V12. You wouldn't need a PSRU, but you might be a bit nose heavy.
  11. macquistan

    V12 Alternatives

    Can you briefly explain the harmonic issues with a 90 degree V12 or post a link to a good explanation, please? Thanks much.
  12. macquistan

    V12 Alternatives

    The alloy block weighs 421 pounds. The dimensions are on this page: V12LS Tech
  13. macquistan

    V12 Alternatives

    You might want to talk with Elliot Seguin. He did some flight testing and ferry flights on a Walter powered Thunder Mustang. He has also been doing the flight tests on a LS powered S-51. I think he could give you a great comparative view of the two types of power plants in very similar...
  14. macquistan

    Aerosport Engineering V-12 info

    What about the Thunder Mustang's PSRU? It's made for the power, torque and prop size. It's available separately. I know the Falconar engine has had problems, but I've heard nothing bad ahot the PSRU.
  15. macquistan

    Aerosport Engineering V-12 info

    What about the LS V12? Seems like a much cheaper alternative with all the benefits of a much larger parts supply.
  16. macquistan

    another Autoflight gearbox failure - this time after 34 hrs

    Hi. I've heard of the Thunder Mustang engine problems. Are they primarily the Falconar engine or the PSRU? If the PSRU is well made, what about using it with the LS V12?
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