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  170 Montauk gas mileage, 5.23-MGP

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Author Topic:   170 Montauk gas mileage, 5.23-MGP
WT posted 12-09-2005 08:05 PM ET (US)   Profile for WT   Send Email to WT  
I was bored today so I took a nice long cruise in my Montauk. I left Sacramento via the Sacramento River from near my home to the Pittsburg Yacht Club, 99.38 miles round trip.

1) 99.38 miles round trip
2) Average speed 21.38 mph
3) Trip time 4 hours 39 minutes. (Does not include stop time.)
4) Fuel used 19.02 gallons
5) River current speed 1.7 mph.
6) Estimated running at 4,200 rpm.
7) 5.23 miles per gallon.
8) Wind speed less than 5 mph.
9) Temperature 63 degrees.

It was great getting on the water. Next time I might try getting to Fisherman's Wharf in San Francisco.


Clark Roberts posted 12-10-2005 08:27 AM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
What engine/prop?
WT posted 12-10-2005 08:59 AM ET (US)     Profile for WT  Send Email to WT     
--2004 Mercury 90-HP four-stroke carburetor engine.

--stock Vengeance stainless steel propeller

My estimate of average engine speed at 4,200-RPM may be a bit high. Maybe closer to 3,800-RPM.


jimh posted 12-11-2005 11:28 AM ET (US)     Profile for jimh  Send Email to jimh     
I am impressed with the report from two angles:

--you get to go boating in December
--you get over 5-MPG

Both are highly desirable characteristics which are difficult for me to obtain.

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