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Remote Oil Pressure

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Troy Maynor

Joined: 10 Jan 2006
Posts: 162

Posted: Sun Nov 16, 2008 6:20 pm Post subject: Remote Oil Pressure

Hi Folks,

I need help from those of you that have remotely mounted your oil pressure

switch. Can you tell me the size of the fittings and hose and/or manifold

that you used to connect? I plan to mount it on the stbd. footwell along

with a double throw pressure switch that will run a hobbs or the master

light on.

Thanks in advance. 



Troy Maynor

N120EU Europa Monowheel Classic

Left to finish:

Seats, engine install underway, some wiring.

Weaverville, NC USA

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rlborger(at)mac.com
Guest

Posted: Mon Nov 17, 2008 6:19 pm Post subject: Remote Oil Pressure

Troy,



Go to my build website, Year #6, Q3, 2007.  First page has my work on  

moving the oil pressure sensor to the starboard footwell.  You are on  

your own for the pressure switch though.



Good building and great flying,

Bob Borger

Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S

http://www.europaowners.org/N914XL

(99.99% done) Checking off the last few items on the final check list.

3705 Lynchburg Dr.

Corinth, TX  76208

Home:  940-497-2123

Cel:  817-992-1117



On Nov 16, 2008, at 8:04 PM, Troy Maynor wrote:



 	  Quote: 	
		   Hi Folks,

 I need help from those of you that have remotely mounted your oil  

 pressure

 switch. Can you tell me the size of the fittings and hose and/or  

 manifold

 that you used to connect? I plan to mount it on the stbd. footwell  

 along

 with a double throw pressure switch that will run a hobbs or the  

 master

 light on.

 Thanks in advance.



 Troy Maynor

 N120EU Europa Monowheel Classic

 Left to finish:

 Seats, engine install underway, some wiring.

 Weaverville, NC USA



 <winmail.dat>

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Europa-List

hdwysong

Joined: 06 Jun 2008
Posts: 21

Posted: Tue Nov 18, 2008 12:45 pm Post subject: Remote Oil Pressure

Troy,



We're using the VDO 360025 oil pressure sender for our remote unit

($26 in stock at JEGS, same but backordered at Summit Racing).  It has

an auxiliary (warning) contact on it that remains grounded to the

sender case until the sensor reaches 11.4 PSI where the contact opens.

 We used this signal to drive a 12V relay that powers our Hobbs and

"Low Oil Press" indicator.  Works well.



The fitting at the engine is an AN816-4 (just like Bob's).  To make it

difficult on simple airplane folks, the hot rod shops don't typically

list these fittings by their "AN" (Army/Navy) designations.  Try

AER-FBM2512 (Aeroquip) or EAR-961604ERL (Earl's) instead if you're

shopping at JEGS or Summit.  It's a steel adapter with an AN-4 nipple

on one end and 1/8"-27 NPT male thread on the other.  Spruce still

faithfully uses the "AN" designations and will also charge you "AN"

prices.



Our sensor installation is a bit different than Bob's (... different

composite airframe, too).  We used a bulkhead fitting (AER-FBM2821)

and attached a metal tab for the grounding lug via the bulkhead nut.

The whole assembly (sender + bulkhead fitting) is attached to the

aircraft via a #10-32 ClickBond stud and a cushioned (Adel) clamp.  We

could have used one of the other NPT-to-AN adapters (AER-FBM2721,

NOS-16781NOS, EAR-998604ERL) but attaching the grounding lug seemed

problematic.  Plenty of ways to skin the same cat.



Finally, we ran -4 stainless braided hose with steel AN-4 fittings

between the engine and the sender.  The remote system works well w/ no

leaks or fires and good pressure readings.



If you want pics or a rough schematic just shoot me an email.  Best of

luck with the build!



D

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