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fuel mystery



  Discussion Boards > Boating Angler
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1ReelDeal


Joined: 03/27/2002
Posts: 421
Location: Mattituck, NY
 posted 09/14/2013 01:37 PM  

Hey Guys, need some help here with a missing 13 gallons of fuel. First time ever on my 1994 Grady White Adventure I ran out of gas!! Stopped relying on fuel gauge 15 years ago and installed a fuel meter which tallies the gallons I have used until I reset it. Accurate to the half gallon in a 60 gal fill! Boat has 82 gallon tank. Grady white web site says fuel intake tube will not drain tank so as not to pick up bottom debris. So I leave for a short trip and I notice that my radio (AM/FM is not displaying the time, oops my fuel meter is not showing any number just blank but the GPH is registering as I am cruising along. Short trip and expect to burn maybe 10 - 13 gallons. I have used the boat twice since my last fill, once to the race about 40 gallons and once to Jessup's Neck, about a 10 gallon strip so I figure I am certainly covered and will check my "always hot wire" and fuse when I get back. I guess my auto/bilge was not working either but couldn't check. Good fishing trip, a little nervous on way home but we make it to the dock. Engine sputters at dock and then dies as we are reaching for the ropes at the dock! Very LUCKY - next day back I cannot get any suction in primer bulb and a corroded fuse turned out to solve the electric problem, I replaced the whole casing also to get new insides to my 20 year old system!

Now I pour in 3 Gallons of fuel and suction ball works, engine purr's like a kitten and I go to the marina gas dock for my 79 gallons! Tank tops out at 67 gallons. I rock the boat to maybe clear an air bubble and shift the tank around, tank takes maybe a 1/2 gallon!

What's up here?
 
movetheboat

Joined: 12/14/2003
Posts: 8943
 posted 09/14/2013 02:28 PM  

Maybe your boat sputtered and died for another reason than empty on fuel?


https://media.giphy.com/media/QGzPdYCcBbbZm/giphy.gif

This post edited by movetheboat 02:30 PM 09/14/2013
 
tigashrk


Joined: 08/15/2011
Posts: 472
Location: MTK
 posted 09/14/2013 02:40 PM  

Yeah, neglect.
 
aja962

Joined: 06/29/2006
Posts: 676
 posted 09/14/2013 05:51 PM  

Do you have a locking gas cap? A couple of weeks ago I pulled into the gas dock expecting to pick up 20 gallons +/-. 62 gallons later I realized that somebody helped themselves to 40-45 gallons of my gas. Just an idea.
 
DrifterNY

Joined: 11/28/2010
Posts: 483
Location: Da Breach!
 posted 09/15/2013 07:36 AM  

Do you have water in your tank?
 
JesusBird


Joined: 07/08/2011
Posts: 1674
Location: USA of the past
 posted 09/15/2013 08:01 AM  

Is the boat sittting on a different angle? Causing it to run out earlier?
 
outrageous21


Joined: 07/21/2006
Posts: 902
Location: Massapequa
 posted 09/15/2013 09:46 PM  

Your estimating your trip to the race burned 40 gallons? I have usually average 2.5 miles per gallon but on a very rough day I may get only 1 mile per gallon. Perhaps your "40 gallon trip actually used 50-60
 
CaptPaul
Noreast.com Club Member


Moderator
Fisheries Management
Partyboat Fishing

Joined: 09/09/2002
Posts: 6044
 posted 09/15/2013 10:00 PM  

Seemingly ran out of fuel. Fueled, up, and it ran, so there was no fuel available to the primer bulb. Either the is thirteen gallons o f unusable fuel in the delivery design, or something else has developed. Possibly a failure in the pick up tube at the level where you lost it. Or a bad hose connection, or compromise of the hose that causes air to be introduced at that level of vacuum where you were at when you lost the siphon.
 
1ReelDeal


Joined: 03/27/2002
Posts: 421
Location: Mattituck, NY
 posted 09/17/2013 10:02 PM  

Solved it

Thanks Capt. Paul - you put me on the right track. To all other responders thanks for the time and effort.

Pin hole in metal pick up tube allowed air into the system. Tank 12 inches deep and hole at about 2 inch level so all the gas below that height was useless when I started to suck air.
 
DarthBaiter


Joined: 05/24/2003
Posts: 8923
Location: Trollin NE for a bite...
 posted 09/17/2013 10:12 PM  

1ReelDeal wrote:

Thanks Capt. Paul - you put me on the right track. To all other responders thanks for the time and effort.

Pin hole in metal pick up tube allowed air into the system. Tank 12 inches deep and hole at about 2 inch level so all the gas below that height was useless when I started to suck air.



upgood to hear it wasn't some a holas stealing gasup...have to be some lowlife to do that. down





Support your local Mom n Pop stores.

 
NonTypical


Joined: 04/26/2007
Posts: 216
Location: North Fork
 posted 09/18/2013 05:30 AM  

1ReelDeal wrote:

Thanks Capt. Paul - you put me on the right track. To all other responders thanks for the time and effort.

Pin hole in metal pick up tube allowed air into the system. Tank 12 inches deep and hole at about 2 inch level so all the gas below that height was useless when I started to suck air.



That makes sense. Glad that you figured out your problem. What I can't figure out is if you still had fuel in your tank, how the hell did you get 79 gallons in there if it only holds 67?? Sounds to me like the marina might need to have their pumps calibrated. Suffolk County Dept of Weights and Measures would love to hear from you I'm sure.
 
movetheboat

Joined: 12/14/2003
Posts: 8943
 posted 09/18/2013 07:54 AM  

nontypical wrote:

What I can't figure out is if you still had fuel in your tank, how the hell did you get 79 gallons in there if it only holds 67??


it was the other way around


https://media.giphy.com/media/QGzPdYCcBbbZm/giphy.gif
 
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