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  1. #11
    Training Captain Gentreau's Avatar
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    Quote Originally Posted by Shadowflyer View Post
    Jeremy - I'm interested in your take on the current batch of curved tip - to decrease prop vortices - propellers and whether it might be possible (for noise and efficiency purposes) to 'add' similar tips to standard props fairly easily? My prop is hellish noisy.
    Good luck getting a reply. Jeremy's last activity on this forum was in 2013 ....!
    The three most useless things in aviation:
    • The air above you.
    • The runway behind you.
    • The fuel in the bowser.


    Rule #1: Always tie your aircraft to the largest heaviest object available. The planet Earth meets these requirements and is readily available in all locations.
    Rule #2: The great thing about twin engined aircraft is, if one engine fails, the other engine always has just enough power to get you to the scene of the crash.

    Semper specto in clara parte vitae.

    .


  2. #12
    Co-Pilot Martin Watson's Avatar
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    Quote Originally Posted by Shadowflyer View Post
    Jeremy - I'm interested in your take on the current batch of curved tip - to decrease prop vortices - propellers and whether it might be possible (for noise and efficiency purposes) to 'add' similar tips to standard props fairly easily? My prop is hellish noisy.
    Hi Shadowflyer - I'd be interested to know too, but it's unlikely that you'll get a response from Jeremy as he hasn't been here for many years. Indeed I think he's not involved with aviation at all now. A pity.
    Martin
    BMAA 5370


  3. #13
    Trainee Pilot _Red_'s Avatar
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    Hello SF, had a Shadow myself for a while so can sympathise, but the noise is mostly down tho the props location rather than it's design.
    The tips rotate very close to the underside skinning of the wing and cause a drumming effect.

    Modifying the prop tips would in any case not be a trivial undertaking.
    Search for a user called Meglin on this forum, he builds and supplies props and could likely advise further


  4. #14
    Training Captain Gentreau's Avatar
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    Quote Originally Posted by _Red_ View Post
    ..........Search for a user called Meglin on this forum, he builds and supplies props and could likely advise further
    You could start here : http://www.microlightforum.com/showt...s-from-Ukraine
    The three most useless things in aviation:
    • The air above you.
    • The runway behind you.
    • The fuel in the bowser.


    Rule #1: Always tie your aircraft to the largest heaviest object available. The planet Earth meets these requirements and is readily available in all locations.
    Rule #2: The great thing about twin engined aircraft is, if one engine fails, the other engine always has just enough power to get you to the scene of the crash.

    Semper specto in clara parte vitae.

    .


  5. #15
    Co-Pilot goldrush's Avatar
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    Quote Originally Posted by _Red_ View Post
    Hello SF, had a Shadow myself for a while so can sympathise, but the noise is mostly down tho the props location rather than it's design.
    The tips rotate very close to the underside skinning of the wing and cause a drumming effect.

    Modifying the prop tips would in any case not be a trivial undertaking.
    Search for a user called Meglin on this forum, he builds and supplies props and could likely advise further
    As already mentioned the major nooise is generated due to the proximity of the prop tips to the wing center section.
    When I had my Shadow, I fitted a concave ply recess in the centra section, above the prop tips which reduced the noise quite a lot... it was SSDR.. so no need to involve any mod procedure.
    Wally Hayward


  6. #16
    Trainee Pilot PilotPete's Avatar
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    Quote Originally Posted by VinceG View Post
    Never thought I would see one made for a real plane...
    you are having a laugh right??

    used on both versions of the P-51 Mustang and Spitfire


  7. #17
    Co-Pilot Halibut's Avatar
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    Quote Originally Posted by Martin Watson View Post
    Hi Shadowflyer - I'd be interested to know too, but it's unlikely that you'll get a response from Jeremy as he hasn't been here for many years. Indeed I think he's not involved with aviation at all now. A pity.
    In his album, there’s a pic of what looks like an Xair on floats. Wonder where that is. Ideal for the UK just now


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