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icrashrc
Joined: 16 Mar 2006
Posts: 247
Location: Mishawaka, In
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 Posted: Mon Nov 03, 2008 12:43 am Post subject: 912uls and MAP |
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I've seen a few references to MAP while discussing a 912uls. How can a normally aspirated engine have intake manifold pressure? Or are the references to MAP something else? Thanks,
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Scott
www.ill-EagleAviation.com
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grahamsingleton(at)btinte
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| Posted: Mon Nov 03, 2008 2:35 am Post subject: 912uls and MAP |
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icrashrc wrote:
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I've seen a few references to MAP while discussing a 912uls. How can a normally aspirated engine have intake manifold pressure? Or are the references to MAP something else? Thanks,
--------
Scott
Scott
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there is always pressure in the manifold but its usually less then
ambient atmospheric. No such thing as negative pressure btw, pressure is
either zero (vacuum) or positive.
Graham
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rampil
Joined: 04 May 2007
Posts: 870
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| Posted: Mon Nov 03, 2008 2:29 pm Post subject: Re: 912uls and MAP |
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When you drive a variable pitch prop, the MAP is the correlate of
engine power you you to control the throttle.
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