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Old 02 September 2005, 11:04   #11
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I have a mate who works for a chemical company so I get the "damaged" drums FOC. I take it down the tip in the "damaged" sealed container. They shove it into a chemical bin & who knows what happens after that. But I agree, it's ridiculously wasteful, hence my original post. I currently have 40 litres in one of the drums which suffered the evaporation problem. Tried to run the boat on it & gassed out the locals with clouds of smoke. Big stalling problems too. Much too rich with oil. Unfortunately, I have no idea how rich it is, so I'm gently adding it to the current fuel burn bit by bit in the vain hope of avoiding chucking it away. Anyone got a lawnmover that needs a 40 litre top up?
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Old 02 September 2005, 11:08   #12
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Quote:
Originally Posted by Phil Robinson
Thanks all,
Great to have all the opinions. The general view seems, top it up, mix it up, seal it & shove some additive in if it's going to lay a while. However, do we have any scientists out there who can answer the point in laymans / boatmans terms? If only just to confirm or deny the points raised so far?
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Well I have a degree in Physics but my first love was chemistry........

A lot depends on how it is stored - basically if you put it into a sealed container that is almost full and keep it cool it will last for years!!! If you keep opening the can to vent off the gases then it is the most volatile components you are losing - stuff like benzene for example.

Brilliant link here

http://www.chevron.com/products/prod.../storage.shtml
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Old 02 September 2005, 11:15   #13
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Interesting article.

Good news for people with removeable tanks - brim it up and lock the vent screw, then then the fuel should last a long time.
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Old 02 September 2005, 17:46   #14
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watch out if the tank is cheap and plastic. One of mine distorted all out of shape when I closed the vent cap and left it in the boat!
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Old 02 September 2005, 18:05   #15
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A few years ago when I had my Force 4 Flatacraft, I left it in my garage for a few days with the vent closed off on the tank stored up in the bow.

I opened the garage door after smelling petrol to discover it was very hot inside due to the sun. The plastic tank had split along a join where the fuel had expanded in the heat, the fuel had run between the inner and outer hulls, out of the self bailer and I had 5 gallons of unleaded all over the garage floor.

I managed to use a rubber window squegee to get most of it into a plastic tray, and poured it into a barrel via an old tee-shirt for a filter.
My wifes 205 used it up.

Since then I've been very careful about closing of the vent on portable tanks in storage.

I'm also aware on reflection that I should have called the fire brigade to clear it up for me, and took a huge risk doing it myself.

Nasher.
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Old 02 September 2005, 18:49   #16
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Slightly off topic but:

If this is the case, with a lawnmower for example, at the end of the summer should one run the engine dry (and drain the carb). I ask becasue I wondered if there was a risk of corrosion with no fuel in the system....
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Old 04 September 2005, 06:15   #17
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Quote:
Originally Posted by Richard B
I think that disposing of six week old fuel is a bit extreme!

What do you do with it?
I'm prepared to collect any OLD six week unleaded petrol in quantity from anyone local - I've got plenty of uses for it!
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Old 04 September 2005, 07:02   #18
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Quote:
Originally Posted by Stuart M
I'm prepared to collect any OLD six week unleaded petrol in quantity from anyone local - I've got plenty of uses for it!
you can cover the south east - ill cover the south west region
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Old 08 September 2005, 10:59   #19
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If I'm suspect about the length of time fuel has been left in my tank, I syphon it out and throw it in my cars.
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Old 09 September 2005, 05:38   #20
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Our club ribs spend winter on land; end of september to late march. We've used the lawnmower type stabiliser stuff and it has appeared to work fine. This is all outdoors too so evaporates more readily. Keeping the condensation out of the tank (stainless) also showed in less water in engine filter. If fuel does need to be used up it goes into my V8 Landrover doesnt spend much time in it though!
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