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Posted By:
Hal Brown
Date Posted:
Aug 19, 2005
Description:
They said they have the cooling problems solved, and the exhaust is nifty. The muffler is mounted vertically, with (apparently) four functional ports to spread the hot gases evenly over the prop radius.
Date Taken:
Aug 19, 2005
Place Taken:
OSH
Owner:
Don Maxwell
File Name:
MermaidCowling_Rear_0034.jpg - Photo HTML
Full size - <img src="/show.php?splash=SZXFK0000h">
Medium - <img src="/show.php?splash=SZXFK0000m">
Thumbnail - <img src="/show.php?splash=SZXFK0000s">
Category:
23, Max Pix
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Click on photo to view the original size. |
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Read what others had to say:
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Kenneth Leonard - Aug 19,2005
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Don, I don't know anything about the aerodynamics of this, but I've never seen a prop so close to any part of any plane. Beside the risk of hitting the plane, wouldn't this create an area with no thrust (because there is no airflow there) as each blade passes thru the 6 oclock position? I would think that would create a vibration and be really hard on the prop shaft bearing. Again, this is TLAW engineering. (that looks all wrong)
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Mark Alan MacKinnon - Aug 19,2005
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I got it. (I think).<br /><br />The exhaust pressure from the four ports down the rear edge of the pylon, immediately in front of the blades as they move past, make up for the lack of airflow right there, and therefore resolve any vibration problems.<br /><br />Huh? Whatcha think? Pretty dang clever of them.<br /><br />But I can't help wonder how noisy it is with the blades going through the exhaust like that. And instead of just part of your blades getting sooty, now ALL of your prop gets sooty.
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