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Van's Capacitive Fuel Senders - Need Help!

 
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mchamberlain@runbox.com



Joined: 10 Jul 2006
Posts: 8
PostPosted: Mon Aug 14, 2006 7:12 am    Post subject: Van's Capacitive Fuel Senders - Need Help! Reply with quote
Hi Folks,

When I built my wings I installed the Van's capacitive fuel senders in my fuel tanks. I recently installed a Dynon Flightdeck 180 in my panel which needs a signal from 0 to 5 volts from the senders. I heard that a company called Princeton electronics makes a converter, I send them an email a couple of weeks ago about the senders and got a reply saying that they make them, I wrote back and asked where I can buy them, since then I can't get a reply back form them, sent several emails and called a few times.

Anyway, assuming I am unable to contact these guys is there any other way anybody knows to get this signal to the Dynon? If I can't figure this out it looks like the only other option is to open up the tanks and change the senders to the resistive type.

Any help or suggestions will be very much appreciated.

Thanks,

Mark - N234C res
RV-7 Finishing up wiring.

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Bill Denton



Joined: 10 Jan 2006
Posts: 97
Location: Chicago, IL USA
PostPosted: Mon Aug 14, 2006 10:23 am    Post subject: Van's Capacitive Fuel Senders - Need Help! Reply with quote
I'm not 100% sure, but I believe that Grand Rapids Technologies also sells
them...

http://www.grtavionics.com/
--

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wooody04(at)bellsouth.net
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PostPosted: Mon Aug 14, 2006 11:12 am    Post subject: Van's Capacitive Fuel Senders - Need Help! Reply with quote
mchamberlain(at)runbox.com wrote:
Mark, Check with Electronics International (also sold by Vans) They
make a converter to go between Vans Cap. plates and their EI gauge that
should work.

Jim Streit
RV-9A

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wgill10(at)comcast.net
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PostPosted: Mon Aug 14, 2006 11:35 am    Post subject: Van's Capacitive Fuel Senders - Need Help! Reply with quote
Mark,

I installed the AF-2500 engine monitor from Advanced Flight Systems. They did sell me the converters for the capacitive senders and I believe they are from Princeton -- they're a little pricey. I'll confirm when I get home or you can phone Advanced Flight Systems directly.

Bill


[quote]-------------- Original message --------------
From: "mchamberlain(at)runbox.com" <mchamberlain(at)runbox.com>

[quote] --> AeroElectric-List message posted by: "mchamberlain(at)runbox.com"


Hi Folks,

When I built my wings I installed the Van's capacitive fuel senders in my fuel
tanks. I recently installed a Dynon Flightdeck 180 in my panel which needs a
signal from 0 to 5 volts from the senders. I heard that a company called
Princeton electronics makes a converter, I send them an email a couple of weeks
ago about the senders and got a reply saying that they make them, I wrote back
and asked where I can buy them, since then I can't get a reply back form them,
sent several emails and called a few times.

Anyway, assuming I am unable to contact t hese g rowse, > [quote][b]

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mchamberlain@runbox.com



Joined: 10 Jul 2006
Posts: 8
PostPosted: Tue Aug 15, 2006 5:08 am    Post subject: Re: Van's Capacitive Fuel Senders - Need Help! Reply with quote
Update: I just managed to talk to someone at Princeton, they are sending out the converters next week so hopefully I should be good to go!

Thanks again,

Mark

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Terry Watson



Joined: 09 Jan 2006
Posts: 290
Location: Seattle, WA USA
PostPosted: Tue Aug 15, 2006 8:38 am    Post subject: Van's Capacitive Fuel Senders - Need Help! Reply with quote
Mark,

This might not help either, but I bought a couple of converters for my
Bluemountain EFIS/one from Bluemountain to convert the capacitive senders in
my tanks.

Terry
RV-8A
Still building


<mchamberlain(at)runbox.com>

Hi folks,

Thanks for all the great suggestions. Unfortunately still no solution. The
EI probes don't work with the Dynon, they use a different frequency (or
something like that), the ACS converter is supplied by Princeton but
unfortunately again does not supply the correct signal for the Dynon (it is
the "S2" model, apparently I need the S1 model). If I could just get in
touch with Princeton my problem would be sold. I wonder if they have gone
out of business or something. It's not often that I find companies that
DON'T want to take my money!

Thanks again for the help guys.

Mark

--------
Rv-7 (234C Res)
Engine


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=54912#54912

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ceengland(at)bellsouth.ne
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PostPosted: Tue Aug 15, 2006 10:16 am    Post subject: Van's Capacitive Fuel Senders - Need Help! Reply with quote
mchamberlain(at)runbox.com wrote:

Quote:


Hi Folks,

When I built my wings I installed the Van's capacitive fuel senders in my fuel tanks. I recently installed a Dynon Flightdeck 180 in my panel which needs a signal from 0 to 5 volts from the senders. I heard that a company called Princeton electronics makes a converter, I send them an email a couple of weeks ago about the senders and got a reply saying that they make them, I wrote back and asked where I can buy them, since then I can't get a reply back form them, sent several emails and called a few times.

Anyway, assuming I am unable to contact these guys is there any other way anybody knows to get this signal to the Dynon? If I can't figure this out it looks like the only other option is to open up the tanks and change the senders to the resistive type.

Any help or suggestions will be very much appreciated.

Thanks,

Mark - N234C res
RV-7 Finishing up wiring.


Jim Weir did an article several years ago about building your own cap.
sensors & I believe that it included a 0-5v output to drive a standard
gauge.

Wups, found the link:

http://www.rst-engr.com/rst/articles/KP89SEP.pdf

(more than a few years ago....)

If you know the capacitance of the probes, you can tweak the circuit to
get the correct output. Jim frequents rec.aviation.homebuilt & will
quickly answer questions if you give him good info to work from.

Charlie

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