jbhart(at)onlyinternet.ne Guest
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Posted: Sat Mar 22, 2008 6:31 am Post subject: Re Ceiling |
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Date: Sat, 22 Mar 2008 04:41:46 -0700 (PDT)
From: william sullivan <williamtsullivan(at)att.net>
Subject: ceiling
Quote: | A couple of questions- Dana's mention of the Ercoupe got me thinking.
Whenever we used to do stalls in the Ercoupe, I remember having to put on
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the carb heat to deter icing. With the incredible climb and descent rates of
the Kolbs, does anyone know why the 447 and similar engines don't need carb
heat?
Quote: | Also, does anyone know the rated service ceiling of a Firestar l with a
447? I know somebody went to about 17k with a Kolb- presumably with oxygen-
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and others have mentioned 12k.
Quote: | The TNK info is vague on this.
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Bill,
Don't have a ceiling answer for you, but do not assume that the Bing
carburetor will not ice up. In saturated or high humidity conditions with
the engine running with below cruise power, the Bing will ice up.
Jack B. Hart, FF004
Winchester, IN
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