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#1
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
On Sun, 10 Aug 2008 21:15:18 -0500, Brian Whatcott
wrote: matching prop pitch to desired cruise speed is almost a black-art.... I though you gave it enough pitch just reach maximum rated RPM at WOT. Casady |
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#2
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
On 2008-08-12 19:18:41 -0400, (Richard
Casady) said: On Sun, 10 Aug 2008 21:15:18 -0500, Brian Whatcott wrote: matching prop pitch to desired cruise speed is almost a black-art.... I though you gave it enough pitch just reach maximum rated RPM at WOT. AT the speed WOT can give with the engine, prop, weight, drag ... I had a powerboat friend that switched props depending on whether they were skiing or traveling. -- Jere Lull Xan-à-Deux -- Tanzer 28 #4 out of Tolchester, MD Xan's pages: http://web.mac.com/jerelull/iWeb/Xan/ Our BVI trips & tips: http://homepage.mac.com/jerelull/BVI/ |
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#3
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
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#4
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
On Thu, 14 Aug 2008 18:11:10 -0500, Brian Whatcott
wrote: On Tue, 12 Aug 2008 23:18:41 GMT, (Richard Casady) wrote: On Sun, 10 Aug 2008 21:15:18 -0500, Brian Whatcott wrote: matching prop pitch to desired cruise speed is almost a black-art.... I though you gave it enough pitch just reach maximum rated RPM at WOT. Casady If you pitch a prop like this for a full laden boat - it can be dicey with a light laden boat, don't you think? Not really You can overrev the engine with a light load, but you dont have too. Its just that WOT is not available with a very light load. |
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#5
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
On Thu, 14 Aug 2008 18:11:10 -0500, Brian Whatcott
wrote: If you pitch a prop like this for a full laden boat - it can be dicey with a light laden boat, don't you think? The engine will turn more revs than redline at WOT Brian W |
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#6
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
"Richard Casady" wrote in message ... On Thu, 14 Aug 2008 18:11:10 -0500, Brian Whatcott wrote: If you pitch a prop like this for a full laden boat - it can be dicey with a light laden boat, don't you think? The engine will turn more revs than redline at WOT Brian W Pull back on the throttle. Eisboch |
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#7
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
On Fri, 15 Aug 2008 00:51:15 -0400, "Eisboch" wrote:
The engine will turn more revs than redline at WOT Brian W Pull back on the throttle. Wrong. You advance it to the desired RPM and leave it alone, not pull it back. Casady |
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#8
posted to rec.boats.cruising,rec.boats
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plugs look too "wet"
"Richard Casady" wrote in message ... On Fri, 15 Aug 2008 00:51:15 -0400, "Eisboch" wrote: The engine will turn more revs than redline at WOT Brian W Pull back on the throttle. Wrong. You advance it to the desired RPM and leave it alone, not pull it back. Casady Huh? The OP said the engine was turning above redline at WOT. I simply suggested reducing throttle. I don't understand your comment. Eisboch |
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