Re: Underwater video connector

>
> On Fri, 26 Jun 2009 18:55:23 +0100, "Tamas Rudnai"
> <tamas.rudnai@...> said:
>> I am not a chemist nor a fire/explosive expert but as far as I know
>> kerosene, petrol and diesel are not flammable till is in liquid form.
>> They
>> need to have a certain amount of air-fuel mixture to be able to lit it
>> up.
>>
>> BTW not sure if that could happen but if there is any open electrode of
>> both
>> anode and cathode then it can break down the water to oxygen and hydrogen
>> gas which is highly flammable if mixed that even the smallest spark can
>> cause a fire. Not sure if a microelectronic device could do this thing.
>
> Automotive in-tank fuel pumps use gasoline for lubricant. At least it
> sure looked that way when I disassembled one. Even more exciting, the
> brushes/commutator area is flooded with fuel. Apparently not a problem
> even when you run out of fuel and start sucking air.
>
> I also always wondered about the fuel level sensor, like a big wirewound
> potentiometer up in the air area of the tank.
>
> It appears to be quite safe.
>
> But I would certainly want a second opinion before implementing my own
> version!
>
> Cheerful regards,
>
> Bob
>
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