Graham,
Thank you.
I was thinking of 914 with no engine driven pump and the electric
pump(s) pumping around a tank volume every hour or so through the regulator.
A certain amount of mixing of sides would occur when the fuel level is
well above the hump.
Maybe different considerations for the different fuel systems?
Regards,
Jan de Jong
> <grahamsingleton@btinternet.com>
>
> Jan
> imho there is more risk of vapout lock when you mix hot fuel from the
> engine driven pump with the fuel going back to the engine. I don't
> think you will be able to aerate a full tank of fuel, the return goes
> into the reserve tank anyway, or should do.
> Long range tank mod is a bit of a problem, I agree
> Graham
>
> Jan de Jong wrote:
>>
>> Hi all,
>>
>> I have a question if I may.
>> Mod 33 shows the starboard drain tank outlet used also as the return
>> line tank inlet.
>> The pictures I see with Graham Singleton's adapters for threaded
>> connections all show the return line going to the vent outlet if I'm
>> not mistaken.
>> Is this recommended, if so why?
>> - Less return line pressure for 914 systems?
>> - No mixing of tank bottom debris with return fuel?
>> I could think of counter arguments:
>> - Will fuel become aerated and more oxidising and possibly vapor lock
>> prone when continuously made to drop from the vent outlet location
>> (914 system)?
>> - How about compatibility with long range tank mod?
>>
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