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Old Jun 01, 2010, 02:02 PM
dazzyboi is offline
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WOT4, would you use fuel filters on the plane, or on the pump when filling up tank?


Hi there,

I knew this is more of a preference for some people, my WOT4 came with the tank and the bits for the tank but no fuel filter.

Im going to buy a hand crank fuel pump as per below

http://www.kingslynnmodelshop.co.uk/...duct_info.html

Where would I filter the fuel? obviously I dont want bits going in to my engine but I dont know if I should somehow filter the fuel on the tank that comes with the WOT4 or if I should somehow buy a filter for the above handcrank fuel pump
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Old Jun 01, 2010, 02:16 PM
slipstick is offline
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As you say it's personal preference. I wouldn't dream of using any setup that didn't have a filter in the output line from my pump but I generally don't bother with one on the plane. OTOH I know plenty of people who use a filter in the line from tank to carb on the plane. Put 'em wherever you like, it's entirely up to you. After all it's not like they cost much .

Steve
Old Jun 02, 2010, 03:51 AM
Ira NZ is online now
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I don't think many people run filters between the plane's tank to the carb. There's no real point if you're filtering it as it goes from the fuel jug to the tank. Most I've talked to seem to agree that it's an extra hassle on tuning the plane.
Old Jun 02, 2010, 06:45 AM
Mode One is offline
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If you have a filter on the feed line from the tank to the carb. remember to fuel only from between the filter and tank! If you fuel into the filter, your catching any crud on the engine side of the filter and you will suck it into the carb. If you fuel from between the filter and the tank, then your building up crud in the tank and may eventually have enough crud in there to block the filter and cause a flame out. I've always felt it better to filter the fuel going into the tank, by having a filter on my fueling line.
Old Jun 02, 2010, 10:38 AM
dazzyboi is offline
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Cool, Thanks for the info

I will buy a fuel filter and filter from the output line on my fuel pump going in to the tank
Old Jun 03, 2010, 01:11 AM
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A filter like this in the fuel line will trap any particles of carbon that might manage to come through the muffler pressure line and they're especially useful with new fuel tanks which may have a lot of fine plastic strands left over from the moulding process. These strands are a real problem if they get trapped in the needle valve because they're almost totally invisible. These filters won't cause any tuning problems unless you're using some monster size engine with enormous fuel flow .

The filter I use from the fuel jug is a car fuel filter.
Old Jun 03, 2010, 06:19 AM
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I guess if particles of carbon need trapping and are detrimental to the engine, I would trap them in the vent line and not in the fuel feed line. As far as molding flash is concerned, I make sure there is no crud in the tank, before I install the stopper.


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