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Jet Boats
General Jet Boat Discussions
Decreased WOT speed and RPM's
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<blockquote data-quote="DaleH" data-source="post: 456335" data-attributes="member: 15636"><p>Normally aspirated motors can lose 10% or more in hot, hot weather as the air is thin. If you also switched to ethanol fuel you’d see a 10% loss too, as its combustion factor is lower than MTBE fuels.</p><p></p><p>What is the MAX rated RPMs for that motor? In Spring (or cooler weather) with a clean hull, 1/3rd fuel and you aboard and I’d like to see it no more than 200 RPMs off the maximum.</p></blockquote><p></p>
[QUOTE="DaleH, post: 456335, member: 15636"] Normally aspirated motors can lose 10% or more in hot, hot weather as the air is thin. If you also switched to ethanol fuel you’d see a 10% loss too, as its combustion factor is lower than MTBE fuels. What is the MAX rated RPMs for that motor? In Spring (or cooler weather) with a clean hull, 1/3rd fuel and you aboard and I’d like to see it no more than 200 RPMs off the maximum. [/QUOTE]
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General Jet Boat Discussions
Decreased WOT speed and RPM's
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