>>Just an odd question about the Andair gascolator (of which I have), what
>>does
>>happen if the quantity of water surpasses the capacity of the bowl? Will the
>>water force it's way through? Or will there be a sudden silence due to fuel
>>starvation?
>>Mike
>
>Mike
>If this does happen, it will be because a lot of water got into the tank,
>usually from the bowser or a can. The engine will certainly stop. If the
>gascolator was dry when the water touched the mesh it will be forced
>through. If it is wet with fuel it will probably block, because surface
>tension causes high pressure inside each water droplet. If the internal
>pressure is greater than the fuel pump pressure it cannot change the shape
>and size of the droplets to go through the fine mesh. Internal pressure is
>2T/R if I remember correctly, but don't ask me what the values/units are!
>T is surface tension and R is droplet radius, so the smaller the drop, (or
>mesh size) the higher the pressure. Odd what one remembers from school
>days isn't it?
>
>I've asked Andair to do some tests to see how much water will overcome the
>blocking effect.
>
>Graham
|