Does anyone know why Europa HQ have not been answering the phone for the last
two
weeks?
Rgds
David
Sent from the iPad of David Joyce
www.eastmidsspas.com
> On 28 Nov 2013, at 17:25, Andrew Sarangan <asarangan@gmail.com> wrote:
>
>
> Peter
> By proper differential pressure I assume you meant on one side there
> will be the fluid pressure, and on the other side there will be tank
> air pressure. I gathered from Paul's email that he did exactly this by
> running the tank vent line to the sensor, but still sees a lag during
> climbs and descents. This is most likely due to the large tank volume
> and the small diameter of the vent tube. So it would matter exactly
> where the vent line is teed off to go to the sensor. Closer to the
> tank is better. In any case, this delay is likely to be
> inconsequential because most of the spam cans I fly are only required
> to have a reliable level indicator when the tank is really empty.
>
>
>
>
>> On Thu, Nov 28, 2013 at 8:38 AM, Peter Zutrauen <peterz@zutrasoft.com> wrote:
>> I would suggest updating the cct/system to work on proper differential
>> pressures - then venting isn't an issue. Ideally it would also incorporate a
>> g-sensor such that a prolonged turn doesn't affect the fuel level reading
>> (assuming there is some shorter duration filtering to deal with turbulence),
>> and a switch to select avgas/mogas densities. I was planning on implementing
>> such a system when the time came. I was also planning on a vertical aluminum
>> tube gauge on the outside of the tank containing a magnetic float which
>> triggered external level switches lighting up a simple led gauge - as a
>> backup and in lieu of the sight-gauge.
>>
>> Cheers,
>> Pete
>> A239
>>
>>
>> On Thu, Nov 28, 2013 at 8:11 AM, Rowland Carson <rowlandcarson@gmail.com>
>> wrote:
>>>
>>> <rowlandcarson@gmail.com>
>>>
>>>> On 28 Nov 2013, at 12:40, GRAHAM SINGLETON wrote:
>>>>
>>>> isn't my vent system effectively the same as the factory setup? There
>>>> will still be a +ve pressure on the tank.
>>>
>>> Graham - thanks for pointing that out. Until now, I hadn't noticed the
>>> forward-pointing section at the end of the ultimate vent in your diagram as
>>> posted here yesterday. I had assumed the vent would finish with a section
>>> pointing vertically down (somewhere in the flap root area?) so as to
>>> generate neither positive nor negative pressure, but probably cut off at an
>>> angle to prevent whistles.
>>>
>>> in friendship
>>>
>>> Rowland
>>>
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>>>
>>>
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