Not sure how accurate my speedometer is in the 40s. It is right on at 10MPH and 20MPH, checked against a GPS. But I was way too busy to cross-check the speedometer against my cell phone Boat Buddy ap at full throttle. The tach showed 5000 RPM and the speedometer jumped up to mid 40s. And that with the trim all the way down. I was alone in the boat and nothing with any weight was aboard. I don't know which prop I have. Someone said the engine should turn 5500 with the right prop.
Someday I will take it out early in the morning when the harbor is glassy smooth and see what it really does.
I hope to install a Garmin GPSMAP 2010 soon. It should read out accurate speed.
I am still wrestling with fuel gauges. I installed new SeaSense senders when the tanks were out. I brought the wires out to the dash. But I have been unable to get readings that are make sense even though I tried three different gauges. The previous owner of this old boat used a piece of round doweling to sound the tanks, pretty "old school" method. He had the stick marked at full and half full, which would be 20 and 10 gallons. That actually works, ha. And it is pretty reliable information!
Larry
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1975 Wellcraft V20 Steplift with 1979 Evinrude 150. Newly rebuilt dual axle trailer. Boat is in a slip behind Harbor Island on San Diego Harbor.
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