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Old 15 January 2014, 06:58   #11
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The needle type gauges aren't any better, I'm assuming you have green LEDs on the gauge with red on the port side, they are wema gauges, the best thing to do is when you fill it from empty count the litres until it get to green, we use to put the senders in but not right to the bottom of the tank, that way when it read empty there was alway a bit left, we never used to tell the customer, the only true way to gauge your fuel is with something like a flowscan system, there are too many different variables to get it dead right
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Old 17 January 2014, 07:21   #12
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+1 for the Floscan system.
It's awesomely accurate (and finely adjustable) and you should be able to get a system for twins, fitted at around 1000 Sterling.
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Old 17 January 2014, 15:22   #13
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+2 for flo scan. Excellent.

FYI Most of the "cheaper" nmea systems that work with plotters AERNT diesel comparable.
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Old 17 January 2014, 21:17   #14
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There is no doubt that Floscan is the ultimate setup but for the cost of the Floscan I can purchase about 1000 litres of diesel which is probably about half my annual use.

If I was doing long distances where range was an issue, Floscan would probably be my choice from a safety point of view, but I doubt I will make significant fuel savings using it. This RIB's sweet spot is 3200 rpm, I have no usable adjustment of the drives and no trim tabs fitted, so there is not a great deal of fuel to save. For my other boat, a 38 ft Cigarette with twin 8.1 litre petrol engines, Floscan may be very worthwhile.

Cuzpro.com has some fuel gauges that are NMEA 0183 compatible but more importantly for me they 'learn' the tank shape. I do not expect them to be entirely accurate, but if they are within 10%, that suits me fine. Of course that will depend on my current senders and they are about 10 years old.

These gauges are on sale at the moment for under 100 pounds for a 3 tank gauge. I think it should be more accurate than what I have and at a cost that is worth taking a punt.

http://www.cruzpro.com/tl30.html

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Old 17 January 2014, 21:20   #15
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Quote:
Originally Posted by biffer View Post
The needle type gauges aren't any better, I'm assuming you have green LEDs on the gauge with red on the port side, they are wema gauges, the best thing to do is when you fill it from empty count the litres until it get to green, we use to put the senders in but not right to the bottom of the tank, that way when it read empty there was alway a bit left, we never used to tell the customer, the only true way to gauge your fuel is with something like a flowscan system, there are too many different variables to get it dead right
Yes they are Wema's. Biffer, the weather is perfect, hurry up and get here.
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Old 18 January 2014, 03:28   #16
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Yes they are Wema's. Biffer, the weather is perfect, hurry up and get here.
Ha ha, sounds like you've got a million questions for me. My flights are booked and it's coming up fast. My son is telling me it's in the 40s over there at the moment
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Old 18 January 2014, 06:37   #17
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Ha ha, sounds like you've got a million questions for me. My flights are booked and it's coming up fast. My son is telling me it's in the 40s over there at the moment
It's in the 40's out here in the North Sea at the moment too Biffer...

41.72 degrees Farenheit to be precise.
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Old 18 January 2014, 06:42   #18
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It's in the 40's out here in the North Sea at the moment too Biffer...

41.72 degrees Farenheit to be precise.
nice
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Old 18 January 2014, 12:12   #19
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It's in the 40's out here in the North Sea at the moment too Biffer... 41.72 degrees Farenheit to be precise.
Ummm let me think North Sea, Sydney, North Sea, Sydney, can I have a bit of time to think about it
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Old 18 January 2014, 12:23   #20
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Ummm let me think North Sea, Sydney, North Sea, Sydney, can I have a bit of time to think about it
times up Biff, it's the Nth Sea for you, I'll do the Sydney trip
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