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  #1  
Old 03-31-2019, 11:25 AM
steve murray's Avatar
steve murray steve murray is offline
 
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Default AN fittings with Port for Pressure Measurement

In the process of installing SDS fuel injection system, need to monitor the fuel pressure and not real excited about having a bunch of fittings\adaptors to do this. Found this site that has AN fittings with female sensor port. This should help me eliminate a lot of fittings and\or long hose. Curious if anyone else has used these type fittings?


http://www.anhosefittings.com/fittin...3p1cdhr4klk1eb

They also they had fire sleeving at much lower cost than spruce.

Ordered some parts, will update once I receive and inspect parts.
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Old 04-02-2019, 12:45 PM
svyolo svyolo is offline
 
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Summit racing is a pretty good place for fittings. I have seen the fittings with pressure ports there before.
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Old 04-02-2019, 01:49 PM
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Not sure what your specific system architecture looks like, but both the SDS fuel pump module and their recommended (Borla) regulator have multiple unused ports which can be used to feed a pressure transmitter. Beyond a simple reducer, no adapter needed.
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Old 04-02-2019, 02:49 PM
jacoby jacoby is offline
 
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FWIW, it looks like Holley is getting rid of or retooling their Sniper line of fittings. Everything is around 70% off

https://www.holley.com/brands/sniper...earance_parts/
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Old 04-02-2019, 03:53 PM
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Remember, technically none of that stuff is a real AN fitting.
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Old 04-02-2019, 06:26 PM
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Now THAT is a useful website. Thanks! For my fuel pressure takeoff I had to have a steel AN2 fitting TIG welded to a steel SAE Tee.
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Old 04-03-2019, 02:49 PM
svyolo svyolo is offline
 
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The auto racing stuff isn't any cheaper than AN stuff bought from one of the big aircraft vendors. But sometimes they have some unique stuff that works a bit better.
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Old 04-03-2019, 03:17 PM
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Quote:
Originally Posted by Toobuilder View Post
Not sure what your specific system architecture looks like, but both the SDS fuel pump module and their recommended (Borla) regulator have multiple unused ports which can be used to feed a pressure transmitter. Beyond a simple reducer, no adapter needed.
Hey Michael

I am installing the SDS system and have the fuel manifold (with several open ports) located on the top of the engine but did not really want to run another small fuel line for pressure measurement back to the firewall. I was looking at the Borla regulator from Ross, is the plug on the side removable\useable....I was going to call Borla. Also, do you know if regulatory mounting orientation is critical?

Thx

Steve
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Old 04-03-2019, 04:48 PM
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The Borla unit I have has two outlet ports (it's a "T" configuration). I my case I have a bulkhead fitting as the fuel outlet through the firewall, and the other side has a reducer and the transmitter screws right into that.

Edit, I drilled and tapped the cap provided with the regulator... It's simply an AN plug.
__________________
WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.

Michael Robinson
______________
Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
1984 L39C

Last edited by Toobuilder : 04-03-2019 at 04:51 PM.
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  #10  
Old 04-04-2019, 05:52 AM
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steve murray steve murray is offline
 
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Quote:
Originally Posted by Toobuilder View Post
The Borla unit I have has two outlet ports (it's a "T" configuration). I my case I have a bulkhead fitting as the fuel outlet through the firewall, and the other side has a reducer and the transmitter screws right into that.

Edit, I drilled and tapped the cap provided with the regulator... It's simply an AN plug.

Hi Michael.

I follow the part about tapping the cap on the regulator but am not following the part about the bulkhead fitting with the reducer. Can you send a picture?

Thx

Steve
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