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larkrv10(at)gmail.com
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PostPosted: Mon Jan 01, 2018 5:24 pm    Post subject: AeroElectric-List: Reply with quote

Charlie, have you seen the aircraftextras.com auxiliary fuel pump relays?I Installed these in my RV 10 and they work well.
Rick
C-GDMH

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On Jan 1, 2018, at 4:48 PM, Charlie England <ceengland7(at)gmail.com (ceengland7(at)gmail.com)> wrote:
Quote:
Greetings, and happy new year!

There was a thread back in June 2017 about a fuel transfer controller, but I never saw a conclusion. Here's a link to the forum version (unfortunately, I don't think all the posts show up in this link):
http://forums.matronics.com/viewtopic.php?p=469830#469830

Did that project ever come to fruition? I saw mention of the circuit having hysteresis numbers, but never saw how they were set or determined.

I'm interested in something like this for my RV-7, which has added tanks added (configured to feed the engine from one tank, with transfer from 3 aux tanks).
My goal would be to drive a Facet Cube pump (likely 2-3 amps run current, call it 5A max).
Use the stock 240 ohm resistive fuel level sender as the level source for the controller, but have flexibility to feed it 12V if using stock gauges, or 5V if driven by an engine monitor.
Have 'settable' tank-full and pump-start reference voltages.
Nice to have: auto-shutoff on a tank dry signal (I'm using an optical sensor in the line after the aux tank fuel selector).
Any thoughts?
Thanks,
Charlie




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ceengland7(at)gmail.com
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PostPosted: Mon Jan 01, 2018 6:07 pm    Post subject: AeroElectric-List: Reply with quote

I hadn't seen it; thanks for the link. Unfortunately, it won't do what Bob's design from last summer will do. (Pretty pricey, as well. Smile  ) Bob's design allows controlling the pump with the fuel level sensor in the main/header tank.

Charlie



On 1/1/2018 7:23 PM, Rick Lark wrote:

Quote:
Charlie, have you seen the aircraftextras.com auxiliary fuel pump relays? I Installed these in my RV 10 and they work well.
Rick
C-GDMH

Sent from my iPad

On Jan 1, 2018, at 4:48 PM, Charlie England <ceengland7(at)gmail.com (ceengland7(at)gmail.com)> wrote:


Quote:
Greetings, and happy new year!

There was a thread back in June 2017 about a fuel transfer controller, but I never saw a conclusion. Here's a link to the forum version (unfortunately, I don't think all the posts show up in this link):
http://forums.matronics.com/viewtopic.php?p=469830#469830



Did that project ever come to fruition? I saw mention of the circuit having hysteresis numbers, but never saw how they were set or determined.


 
I'm interested in something like this for my RV-7, which has added tanks added (configured to feed the engine from one tank, with transfer from 3 aux tanks). 


My goal would be to drive a Facet Cube pump (likely 2-3 amps run current, call it 5A max). 


Use the stock 240 ohm resistive fuel level sender as the level source for the controller, but have flexibility to feed it 12V if using stock gauges, or 5V if driven by an engine monitor. 


Have 'settable' tank-full and pump-start reference voltages.


Nice to have: auto-shutoff on a tank dry signal (I'm using an optical sensor in the line after the aux tank fuel selector).


Any thoughts?


Thanks,


Charlie




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