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10-06-2015, 12:09 AM
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#1
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Guru
City: Sidney
Join Date: Feb 2015
Posts: 2,258
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Do you fuel polish?
I talked to two long time GB owners recently who have never polished their fuel.
Do you?
If so, how and when?
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10-06-2015, 12:22 AM
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#2
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Guru
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,185
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No, but have a very good filter system and being selective as to where I buy fuel seems to do the trick. Also, in recognizing the potential for water problems Art D was very clever in his tank designs with sloping bottoms and little chance for standing water.
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10-06-2015, 12:30 AM
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#3
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TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,728
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10-06-2015, 12:48 AM
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#4
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Guru
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,185
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Quote:
Originally Posted by FlyWright
Did it once.
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And likely the best way IMHO.
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10-06-2015, 12:50 AM
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#5
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Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
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Do you fuel polish?
I do, only because the fuel polishing system came with the boat.
Prior to refuelling, I transfer the fuel from the aft tanks to the forward tanks so the newest fuel ends up primarily in the aft tanks. Also, I move fuel around to trim the boat. Any movement of fuel from tank to tank goes through the fuel polishing system. I can also polish fuel from a tank and have it go back to that tank, but as you can gather it's not the most efficient way to polish fuel.
My fuel tanks are near new and I probably don't need to polish fuel, but because I can, I do.
Jim
Sent from my iPad using Trawler Forum
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10-06-2015, 01:25 AM
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#6
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TF Site Team
City: Brisbane
Vessel Name: Insequent
Vessel Model: Ocean Alexander 50 Mk I
Join Date: Mar 2012
Posts: 4,262
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I have day tanks for each engine (385 litres each). These have no deck fills, and can only be filled via the fuel polisher. Although I can run from any tank, I always use the day tanks to ensure cleanest fuel possible is delivered to the engines. The polisher can move fuel from-to any tank, and also pressure-prime fuel lines/engine fuel filters if required.
__________________
Brian
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10-06-2015, 01:33 AM
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#7
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Guru
City: North Vancouver
Vessel Name: Phoenix Hunter
Vessel Model: Kadey Krogen 42 (1985)
Join Date: Apr 2011
Posts: 2,877
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Here's my fuel manifold...
Jim
Sent from my iPad using Trawler Forum
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10-06-2015, 03:06 AM
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#8
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Guru
City: Mooloolaba
Vessel Name: Flora
Vessel Model: Timber southern cray boat
Join Date: Oct 2007
Posts: 1,859
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I have a polishing system but don't polish the fuel that often. About every 2 years I run the tanks down to about 300 lts per side and then polish the fuel from tank to tank.
During the process I empty one tank , open it up and clean out the sumps, I then do the same to the other tank, equalise the tanks and then refuel for the next trip.
__________________
"When I die I hope my wife doesn't sell my toys for what I told her I paid for them"
Money: It's made round to go round , not flat to stack.
"Get out and do it"
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10-06-2015, 03:48 AM
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#9
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Moderator Emeritus
City: Chicago, IL
Vessel Name: Bay Pelican
Vessel Model: Krogen 42
Join Date: Oct 2007
Posts: 2,993
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Bay Pelican has a Gulf Coast Filter system using paper towels as the filter. I polish often and especially after moving the boat. When I remove the filter and when I drain the filter housing I can see what has been collected, especially the water.
My system was inexpensive, the filter housing, a Walbro pump, some hose and several ball values. It is not set up to run underway. It also serves as my transfer pump among the four diesel tanks.
__________________
Marty
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10-06-2015, 04:20 AM
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#10
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Senior Member
City: Brisbane
Vessel Name: Malagari
Vessel Model: Island Gypsy 36 Europa
Join Date: Mar 2015
Posts: 422
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The above are all on board systems - what about the remote sort where a guy wheels a trolley up the dock, extracts your fuel, gives it a polish then puts it back.
__________________
George
Brisbane
IG 36 Europa
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10-06-2015, 05:16 AM
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#11
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Guru
Join Date: Oct 2007
Posts: 22,553
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Do you fuel polish?
No we have a fuel tank , with sump, not just a box for fuel.
WE service the tank, then,
WE burn the fuel rather than run it 500 times thru a filter.
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10-06-2015, 05:53 AM
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#12
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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My boat has two tanks. It's now set up where the engine and generator both draw from the starboard tank. Fuel can be added to either tank, but in practice will only be added to the port tank. My fuel polisher will polish either tank or transfer fuel in either direction. So all fuel will be added to the port tank and polished going to the starboard tank. Fuel transfer will also be used to trim the boat. The tank drains (pump connection point) are located in the bottom forward corner (lowest point). Likely I will develop a routine for a brief polishing of the starboard tank to remove any accumulation in that lowest point.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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10-06-2015, 06:16 AM
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#13
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Guru
City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
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Quote:
Originally Posted by Hawgwash
I talked to two long time GB owners recently who have never polished their fuel.
Do you?
If so, how and when?
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No. It's a waste of time and money in most cases.
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10-06-2015, 07:18 AM
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#14
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Guru
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,185
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Quote:
Originally Posted by Brisyboy
The above are all on board systems - what about the remote sort where a guy wheels a trolley up the dock, extracts your fuel, gives it a polish then puts it back.
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See post #3
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10-06-2015, 07:28 AM
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#15
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Guru
City: gulf coast
Join Date: Jun 2014
Posts: 3,440
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No, I do run on low fuel level from time to time to circulate the fuel more frequently. Boats kept with full tanks and not used much have the most fuel issues IMO.
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10-06-2015, 07:49 AM
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#16
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Guru
City: Seabrook Texas
Vessel Name: TheVenture
Vessel Model: 1985 Bestway Labelle Sundeck 40ft
Join Date: May 2013
Posts: 560
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The Venture has a port tank for the port engine and a starboard tank for the starboard engine. Each engine fuel tank has an electric pump on a timer that can polish that tank. Each pump can also transfer fuel to the other tank. The pumps are also useful to prime the engines after a filter change.
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10-06-2015, 07:56 AM
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#17
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Guru
City: NARBONNE
Vessel Name: 'Snow Mouse.'
Vessel Model: BROOM FLYBRIDGE 42.
Join Date: Apr 2014
Posts: 1,733
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There's a lot of very complicated systems around which in my opinion are a waste of money, or testimony to a good salesman.
Stainless steel tanks with a sloping bottom with a drain valve, drain a cup full of fuel to check for water, job done !
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10-06-2015, 08:14 AM
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#18
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,563
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Greetings,
OK. Here's the question for those that DO have a system and use it to polish fuel. Is there any sign of contamination of the filters after a polish? How bad?
__________________
RTF
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10-06-2015, 08:23 AM
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#19
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Guru
City: Mooloolaba
Vessel Name: Flora
Vessel Model: Timber southern cray boat
Join Date: Oct 2007
Posts: 1,859
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Very little sediment and water.
Sediment is mainly rust from inside the tanks(they are black steel) after 20 years they are in near perfect condition.YES I do have a sump on each tank, I built and tested the tanks myself whilst building the boat.
Most moisture is when I have carried less than 1/2 full tanks for a period of time in humid conditions.
__________________
"When I die I hope my wife doesn't sell my toys for what I told her I paid for them"
Money: It's made round to go round , not flat to stack.
"Get out and do it"
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10-06-2015, 09:06 AM
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#20
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Guru
City: Adelaide
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 3,218
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Quote:
Originally Posted by Irish Rambler
There's a lot of very complicated systems around which in my opinion are a waste of money, or testimony to a good salesman.
Stainless steel tanks with a sloping bottom with a drain valve, drain a cup full of fuel to check for water, job done !
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That's just what I installed. My 30 year old stainless tanks rotted out from the bottom up, due to moisture accumulating underneath them.
I mounted the replacement tanks on wedge shaped supports to allow air circulation under the tanks, and give a slope down to a drain valve.
I also draw fuel off the bottom of the tank at another low point. I know some people don't like doing this due to the risk of a fuel line rupturing and draining the tank, but I prefer not to have any "dead" space in the tank which just accumulates gunk over time.
It all loosens up when the seas get rough, just when you least need the problems.
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