Bill Putney wrote:

> Ken Weitzel wrote:
>
>>
>>
>> wrote:
>>
>>> Perhaps if your degree was in electrical, rather than mechanical,
>>> engineering you might. One reason is liquids can not burn. By
>>> being inside the tank, there is no possibility of a combustible
>>> mixture or fire. If for example the electric fuel pump were
>>> outside the tank, in the line, there is a much greater
>>> probability of a combustible mixture occurring in the event of a
>>> fuel leak. OK?
>>
>>
>>
>> Hi...
>>
>> I'm electrical - but sure not interested in taking sides
>> in this conversation.
>>
>> I do have one question though that I'd like to ask if
>> I may? When I have a quarter tank of fuel left, what
>> exactly occupies the remaining space?
>
>
> If I see where you're going with this, the inside of the fuel pump
> (where all the electrical commutation/sparking takes place) is 100% full
> of liquid fuel under all conditions. Missing only one ingredient for
> fire or explosion: air/oxygen. Comforting thought, eh?

Much more comforting that having the pump outside the tank where all of
the ingredients are available. :-)


Matt