Post by: SteveW on May 10, 2020, 04:09:28 PM
Some bright spark has filled the tank with liner in the past that over the years has broken up into hundreds of parts. I removed the fuel tap and blanked the hole off, then spent hours hosing out the tank with water and probably got about 90% of the liner out.
Filled the tank to the brim with water and a 3/4 of a small pot of baking soda, battery charger negative to the tank and an old cleanish Allen key in the water connected to positive.
It’s bubbling away at the moment and a hell of a lot of rust is coming out, either bubbling to the top or sticking to the Allen key which I clean every hour or so.
Only thing to be careful of is that hydrogen gas is produced so must be done outside and to keep the tank topped up with water and agitate tank now and then.
Post by: Athame57 on May 13, 2020, 03:05:27 AM
Post by: SteveD CB500K0 on May 13, 2020, 06:44:16 AM
Try it with one of those PP9 9V batteries for a party trick
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