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Fuel Senders

 
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rockford67



Joined: 14 Jul 2011
Posts: 21

PostPosted: Wed Aug 10, 2011 10:14 am    Post subject: Fuel Senders Reply with quote

Hi,
Can anyone tell me what sort of fuel senders were used in a standard Pulsar XP kit? Are they easy to service/replace?

Thanks
Chris


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ghf4986(at)gmail.com
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PostPosted: Wed Aug 10, 2011 11:02 am    Post subject: Fuel Senders Reply with quote

Chris,

My XP (kit 464) came with Westach sending units.  These were current probes (current varies with the fuel).  To interface with the the Dynon we built electronics to go from current to voltage.  After installing the sending unit we discovered that they did not work.

Talked to Westach and finally determined that at the factory they probably installed the transistors wrong.  I had to remove the wings open the tanks and replace with new special order units, but I could get voltage senders.  They do work just fine with the Dynon D180.  It has 10 calibration points.

I suspect other kits may have come with voltage senders.

Dennis Adams

On Wed, Aug 10, 2011 at 12:14 PM, rockford67 <cphorsten(at)yahoo.ca (cphorsten(at)yahoo.ca)> wrote:
Quote:
--> Pulsar-List message posted by: "rockford67" <cphorsten(at)yahoo.ca (cphorsten(at)yahoo.ca)>

Hi,
Can anyone tell me what sort of fuel senders were used in a standard Pulsar XP kit? Are they easy to service/replace?

Thanks
Chris




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rockford67



Joined: 14 Jul 2011
Posts: 21

PostPosted: Wed Aug 10, 2011 11:39 am    Post subject: Re: Fuel Senders Reply with quote

Thanks Dennis,

I have the westach dual fuel gauge, and one side is sticking full though the tank is empty. If I swap over to a Dynon Skyview, I'd like the fuel flow and quantity options. I'm worried that mine are permanently installed in the tank and I will have to cut through to replace them. Arg.

The Dynon seems pretty flexible on senders as long as the output 5v I think. One guy I talked to said the probes can't be bent properly to get an accurate linear reading through the rage of fuel quantity. I guess float types will suffer the same problem. But what else is there?

While we're at it, how hard is it to pull the wings?

C


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simonnelson(at)vodamail.c
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PostPosted: Wed Aug 10, 2011 12:05 pm    Post subject: Fuel Senders Reply with quote

Any reason why ultrasonic and or infrared sensors could be used in the tanks, inc oil and water? No moving parts etc
Sy
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pulsar331(at)sbcglobal.ne
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PostPosted: Wed Aug 10, 2011 3:30 pm    Post subject: Fuel Senders Reply with quote

If you do end up taking the end-plates off it is a good time to consider installing a low fuel warning system. I have had this system http://www.aircraftextras.com/FuelSensor1.htm in my XP for a couple of years and they work great. If you do use these make sure to ask the guy for the 5 second delay on the activation circuit or they will be too sensitive in the Pulsar.

Bill,
Pulsar XP N331BP


From: "simonnelson(at)vodamail.co.za" <simonnelson(at)vodamail.co.za>
To: pulsar-list(at)matronics.com
Sent: Wed, August 10, 2011 4:02:48 PM
Subject: Re: Re: Fuel Senders

--> Pulsar-List message posted by: simonnelson(at)vodamail.co.za (simonnelson(at)vodamail.co.za)

Any reason why ultrasonic and or infrared sensors could be used in the tanks, inc oil and water? No moving parts etc
Sy
---


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