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Author Topic:   Fuel Tank Level Senders
BellBoyBob posted 02-22-2009 10:31 PM ET (US)   Profile for BellBoyBob   Send Email to BellBoyBob  
On my classic glass BellBoy cruiser, I would like to install fuel tank senders and fuel guages. The port and starboard tanks measure 42" long x 26" high x 6" > 3" deep. The tanks are original, have been cleaned, are rust-free and made of galvanized steel. What kind of sender would you recommend to connect to the Teleflex International red fuel guages?

Thanks,

Bob

jimh posted 02-22-2009 10:47 PM ET (US)     Profile for jimh  Send Email to jimh     
CENTROID makes an interesting sending unit. I am confused by your tank dimensions, and I don't know if there is a CENTROID sender that would work with your tank. You might consider them. For more information see:

http://continuouswave.com/ubb/Forum6/HTML/000632.html

BellBoyBob posted 02-23-2009 11:00 AM ET (US)     Profile for BellBoyBob  Send Email to BellBoyBob     
Jim -

The tanks measurement 6">3" refers to the fact that the tank is shaped like a wedge. The top depth is 6" and it tapers down to a bottom depth of 3". The length is 42" and the hieght is 26". Any mathemeticians out there who might give me an accurate volume capacity in US gallons would be highly appreciated!

Bob

BellBoyBob posted 02-23-2009 11:01 AM ET (US)     Profile for BellBoyBob  Send Email to BellBoyBob     
Jim -

The tanks measurement 6">3" refers to the fact that the tank is shaped like a wedge. The top depth is 6" and it tapers down to a bottom depth of 3". The length is 42" and the height is 26". Any mathemeticians out there who might give me an accurate volume capacity in US gallons would be highly appreciated!

Bob

tmann45 posted 02-23-2009 09:45 PM ET (US)     Profile for tmann45  Send Email to tmann45     
Approximately 20-21 gallons.
jimh posted 02-23-2009 10:01 PM ET (US)     Profile for jimh  Send Email to jimh     
WIth a tank that is only three inches deep, you are not going to get much accuracy with a fuel level gauge. Usually the tank level varies over a much wider range, more like 18- to 36-inches.

I am still confused when you say the tank is 26-inches high but only 3-inches deep. Perhaps you are trying to say the tank is 26-inches deep and 3-inches wide.

The "deep" or depth dimension means to me the vertical dimension, and thus the depth of the fuel which will be in the tank. If you only have 3-inches of depth, the float sensor will have to be very sensitive. Just a small movement will correspond to a large change in tank level.

Perhaps you can confirm that your fuel tank will only be three inches in depth, that is, when the fuel settles to the bottom, the fuel will only have a vertical depth of three inches.

BellBoyBob posted 02-24-2009 08:59 AM ET (US)     Profile for BellBoyBob  Send Email to BellBoyBob     
Jim -

OK. I meant that the tank is 26" DEEP, 6" wide at the top, tapering down to 3" wide at the bottom. The length is 42".
Thanks to Tmann45 for the gallon volume. I suspected the tanks held 20 gallons but because of the 50:1 gas/oil mix for my 2 cycle Merc 1350, I would only fill the tank to 12 gallons per side. This coresponds to one quart of 2 cycle oil per side to make a 50:1 ratio.

I have been researching the fuel level sender question and have come across this site:

http://www.wemausa.com/tank_sensors/tank_level_sensors.htm

I think it provides the kind of fuel level sender that is deep enough for my tanks.

Thanks,
Bob

Hoosier posted 02-25-2009 04:37 PM ET (US)     Profile for Hoosier  Send Email to Hoosier     
Try here:

http://www.e-components.net/

I got a guage and twinsite dial for my 1979 Outrage V-20.

acseatsri posted 02-26-2009 05:43 PM ET (US)     Profile for acseatsri  Send Email to acseatsri     
Why not install [a NORTHSTAR F210 Fuel Instrument]? It's probably less money and definitely more accurate. I have one in my boat and at after reading 60 gallons flowed, it's usually within a gallon or 2 of what I actually pump in.

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