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apilot(at)surewest.net
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 Posted: Tue Dec 02, 2008 11:36 am Post subject: direction of air in the tube |
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It is interesting that the air in your fuselage tube goes to the rear and mine goes to the front. In fact, in the winter, I have to wear a hood to keep the cold air off of my neck. I have thought about blocking the air in the tube, but it helps to reduce the vacuum in the nose cone and could slow the plane down. Mine is slow enough already. (fast cruise 67mph)
Vic MkIII Classic
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NeilsenRM(at)comcast.net
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| Posted: Tue Dec 02, 2008 12:50 pm Post subject: direction of air in the tube |
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Vic
I think air moves forward in most if not all Kolbs. My theory is that it is
inefficient allowing air to move forward through the fuselage tube. I figure
that airplane is moving forward through the air and when it gets to the rear
of the fuselage tube it turns 180 degrees and it moves forward. This would
consume considerable energy. I plugged mine. I used a insulating foam called
tough stuff but I would not recommend it. The foam locked on to the control
cables so much so that I thought I might brake the cables before they broke
loose.
Rick Neilsen
Redrive VW powered MKIIIC
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JetPilot
Joined: 10 Jan 2006
Posts: 1246
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| Posted: Tue Dec 02, 2008 11:08 pm Post subject: Re: direction of air in the tube |
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| apilot(at)surewest.net wrote: | It is interesting that the air in your fuselage tube goes to the rear and mine goes to the front. In fact, in the winter, I have to wear a hood to keep the cold air off of my neck. I have thought about blocking the air in the tube, but it helps to reduce the vacuum in the nose cone and could slow the plane down. Mine is slow enough already. (fast cruise 67mph)
Vic MkIII Classic |
Blocking the inside of tail boom wont have any effect on speed. Given the volume and velocity of the outside air, blocking the little bit of air that comes in the tube just wont make any noticeable difference except keeping you warmer.
Mike
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_________________
"NO FEAR" - If you have no fear you did not go as fast as you could have !!!
Kolb MK-III Xtra, 912-S |
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