Today's Message Index:
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1. 12:39 AM - Official AeroElectric-List Usage Guidelines (Matt Dralle)
2. 11:35 AM - Re: Fuel System Manager (user9253)
3. 01:31 PM - Re: Fuel System Manager (911pete)
4. 02:18 PM - Re: Fuel System Manager (911pete)
5. 03:12 PM - Re: Fuel System Manager (user9253)
6. 04:00 PM - Re: Fuel System Manager (911pete)
Message 1
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| Subject: | Official AeroElectric-List Usage Guidelines |
Dear Listers,
Please read over the AeroElectric-List Usage Guidelines below. The complete
AeroElectric-List FAQ including these Usage Guidelines can be found at the
following URL:
http://www.matronics.com/FAQs/AeroElectric-List.FAQ.html
Thank you,
Matt Dralle
Matronics Email List Administrator
******************************************************************************
AeroElectric-List Usage Guidelines
******************************************************************************
The following details the official Usage Guidelines for the AeroElectric-List.
You are encouraged to read it carefully, and to abide by the rules therein.
Failure to use the AeroElectric-List in the manner described below may result
in the removal of the subscribers from the List.
AeroElectric-List Policy Statement
The purpose of the AeroElectric-List is to provide a forum of discussion for
things related to this particular discussion group. The List's goals
are to serve as an information resource to its members; to deliver
high-quality content; to provide moral support; to foster camaraderie
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[This is an automated posting.]
do not archive
Message 2
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| Subject: | Re: Fuel System Manager |
I am not necessarily recommending dual relay control of wing tank valves.
But I have attached a dual relay option.
If automatic pumping from one tank is lost due to relay failure, then automatic
pumping can continue from the other tank. But relays rarely fail.
A disadvantage of two relays is more complexity.
Kudos to Eric for designing a low fuel flashing warning light.
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Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=516902#516902
Attachments:
http://forums.matronics.com//files/valve_relay_2_100.png
Message 3
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| Subject: | Re: Fuel System Manager |
Joe
If I want to prevent overfilling/venting the tank in manual (middle position) could
we get 24v from the upper level sensor to the middle pole of the upper part
of the selector switch.
Pet
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=516903#516903
Message 4
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| Subject: | Re: Fuel System Manager |
In order to provide power to the solenoids in the middle position Im thinking another
relay would be needed since the sensor cant provide enough power(amps)
to directly control the low pressure solenoids.
Pete
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=516904#516904
Message 5
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| Subject: | Re: Fuel System Manager |
Pete,
It seems that you want do away with the manual mode and make the center
switch position automatic just like the top position.
Why not just use a 2 position switch, OFF and AUTOMATIC?
Another option is to install a third level switch. Put it into the main tank vent.
If fuel ever gets that high, either from operator error or from equipment
malfunction, then it would turn on the red flashing alarm light.
It would be easy to add that feature to Eric's circuit board.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=516905#516905
Message 6
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| Subject: | Re: Fuel System Manager |
No I like it the way it is. One reason to be able to stop it is when taxing in
if you shut down when the fuel is somewhere between the sensors the main tank
wont be full. Then you have to climb up on top to fill it by hand. Using manual
on the ground allows you to top off the main tank. By stopping it with the
high level sensor you dont risk dumping fuel in the ground.
Pete
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=516906#516906
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