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Author Topic:   Using a Floscan as a fuel guage
Al_A_Buy posted 03-21-2003 06:35 PM ET (US)   Profile for Al_A_Buy   Send Email to Al_A_Buy  
Team - I am interested in your opinions as to the advisability of replacing my analog fuel gauge with a "Floscan" type unit. I have a SH FF41 and am limited in dash panel space to add another instrument. Before I go drilling another hole I would like to hear your inputs....


Al W.

SSCH posted 03-21-2003 08:29 PM ET (US)     Profile for SSCH  Send Email to SSCH     

I would highly recommend the Floscan as a fuel gauge. I'd want a backup if I could figure out a method (like the below deck mechanical fuel tank level gauge in the classic Whalers).

In my experience Floscan is very accurate. If I filled the tank at the beginning of a trip and reset the fuel totalizer to zero, I could tell with less than 5% error the amount of fuel I would need to add to the tank when I returned to refill it. If you ever lose DC, you will also lose the totalizer as it will reset to zero. Be sure you follow the suggestions as to filtering the gas and the location of the primer bulb relative to the flow detector.

I now have a boat with Yamaha fuel management. It has the same capability and the same set of problems. The old analog Floscan cost me a lot less than a Yamaha system would normally cost, and was easier to read than the digital gauge I now have. (With twins, Yamaha throws in the fuel management gauge. If that had not been the case, I would have bought another Floscan.)


Drisney posted 03-22-2003 02:59 PM ET (US)     Profile for Drisney  Send Email to Drisney     
Al, The disconcerting part is watching the GPH analog needle on my Floscan dive to the high side when getting my 22 Revenge with old 200 hp Johnson, up on plane. My plan is to keep a log of the totaliser after each trip. This in case the power is lost to the unit(dead battery) Also I placed the interrupt switch(reset) In a rather hard to get to spot to make accidental reset impossible, or at least very difficult....Dave
tully_mars posted 03-22-2003 07:38 PM ET (US)     Profile for tully_mars  Send Email to tully_mars     
I have had a floscan for used and many of my friends have them. All of us swear by them.

We have also been using the NavMan fuel products and they seem to be working well too. Just much lower cost than the floscan and much easier to install. Just one connection to be made and that is a plug to the flow sending unit. The other is to hook up power to the head unit. All digital and small foot print.

I have two of them on my 23' Conquest, 1 for each motor and was still cheaper than a single FloScan. Been running for 1 year and no problem. Also, Navman makes the fuel meter for Standard, so if you get the Navman you will save $20 over the fuel meter sold by Standard. Also, calibration of the Navman is much easier than the dip switches on the Floscan. At the end of a trip when you refuel you can enter what you actually burned and the computer in the Navman unit will auto-calc and adjust the calibration.

All in all, I don't think you can go wrong with any of them.

Tully Mars

rsgwynn1 posted 03-24-2003 10:53 PM ET (US)     Profile for rsgwynn1  Send Email to rsgwynn1     
I have my FloScan mounted below the steering wheel. FloScan parts department sells a mounting adaptor that points the gauge upward at about a 45 degree angle. If your dash space is limited, you might consider this. The accuracy of the unit seems pretty good, but it does have to be calibrated after a couple of test runs--just adjust the dip switches so that you're reading the same amount your putting back into the tank. What with different trim positions while running, I never could get an accurate reading from my fuel gauge.

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