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Originally Posted by Jim-NY
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That sounds good so far...however there are a couple caveats. Most important is that the Catskills are quite low in elevation. Contributors to this forum say you should adjust your towing capacity by 3 to 4 percent for each 1000 feet above sea level. My owner's manual says to adjust by 2 percent per 1000 feet. I am hoping the engine has advanced technology that will make the 2 percent more realistic because it really cuts down on your towing capacity when you reach 8,000 to 12,000 feet.
Jim
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Jim,
Comment on power reduction with altitude increase. It is purely a function of rate-of-change of density with altitude - i.e., density altitude. Advanced technology would be that new-fangled invention called a "supercharger"!
Lacking a "charger", Standard Atmospheric Tables indicate that the AVERAGE loss (due to reduced air density) is 2.7% per 1000 ft. If conditions are non-standard, as in hot, the loss of power will be greater. So, 3% loss of power per 1000' elevation gain is probably a reasonable rule-of-thumb.
Denny_A