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05-22-2013, 05:25 AM
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Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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Remote Mount Oil Pressure Sender
I have decided to install the remote mount kit for my oil pressure sender, during the build. I am trying to select a location on the firewall for the sender. It looks like we have two unused K1000-3 plate nuts on the upper firewall, just above and inboard of the battery. Thinking about using one of those. I noticed a thread by JPILOT, and it looks like he mounted his near the bottom, something about oil drain. Is there a problem with mounting the sensor above it's original location on the engine?
Also, Lockwood send me an alternative elbow fitting, that will start the routing of the hose, from the port on the engine, towards the rear, rather than straight out. This fitting appears to not need a clamp on the hose, other than the fire sleeve. Any guidance on the installation would be greatly appreciated. As a builder, I have been very reliant on Van's well done, step by step, plans set. When I get off into the rest of the world of homebuilts, and left to my own interpretations, I am easily snowed!
To those of you who have "been there and done that", I would appreciate your help on this one.
Tom
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2013- RV12, Kit #119. N123M First flight Nov21. It's a keeper!
1998- RV-9 tail kit, built and sold
1989- RV-6 tail kit, built and sold
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05-22-2013, 06:39 AM
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Join Date: Feb 2010
Location: Perth, Western Australia
Posts: 1,647
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I've mounted mine on a bracket and clamp next to the battery. I have made up the hose and plan to run it under the right hand cylinders and secure it with clamps. However like you, this is new territory for me, so I'm open to suggestions.

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rgmwa
RV-12LR 912ULS
120346
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05-22-2013, 07:00 AM
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Join Date: Feb 2007
Location: Durango, CO
Posts: 126
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I see 80 PSI plus on my gauge, so I think AN fittings would be safer than a clamp. A pinhole fitting would also restrict the amount of oil in case the hose connection did fail. I used an Adel clamp to fasten my sender to the firewall, but your bracket looks much better. Just a thought.
Jim
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05-22-2013, 12:12 PM
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Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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The Lockwood kit
The kit that I got from Lockwood included a fitting for the engine port that is a pinhole fitting, restricting the oil flow in case of a hose, or sensor failure that would allow oil to escape.
The hose fitting that is in the picture on the second post is what Lockwood supplies. The hose that is supplied, is an Aeroquip 300psi rated hose. They have been installing these kits on all of the Rotax powered airplanes they support, and have had no issues with the clamps. Let's see what others have to say about it.
I discovered that the two K1000-3 nut plated that I spoke of in the original post, are used for the coolant expansion tank, but I still may be able to hang the sensor on the inboard nut plates with the expansion tank strap.
Hope others chime in............Tom
__________________
2013- RV12, Kit #119. N123M First flight Nov21. It's a keeper!
1998- RV-9 tail kit, built and sold
1989- RV-6 tail kit, built and sold
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05-22-2013, 12:13 PM
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Join Date: Mar 2011
Location: Bosschenhoofd, Netherlands
Posts: 152
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Can someone specify the partnumber for the hose kit from Lockwood.
I have mailed them twice but they do nit answer
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Jack Netherlands
PH-SEP and PH-SES
RV12 #120519 and #120790
Hobbs 700+ hours and 400+ hours
Dual SV1000 Skyview 15, Pocket FMS and Powerflarm 6.0 (ADSB)
RV10 PH-USN Hobbs 350 hours
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05-22-2013, 12:30 PM
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Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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Contact for Lockwood
Jack, they have 2 different kits for RV-12's. One for the original sender, and a different one for the Honeywell replacement senders. They sent me the wrong kit, and I had to call back and have additional parts sent. I got the one for the Honeywell, which has the item code of EAPSIRK, and a description of "Pressure regulation kit, use with V360-043 (fuel) or V360-430 (oil), not included. Not sure what email address you are using. I have the following: info@lockwood.aero
Last resort, call them. Tell them which sender you have, and ask for the relocation kit. The number is 863-655-5100, ask for parts, or fax to 863-655-6225. They are in Florida and on Eastern Daylight Time. Hope that helps
__________________
2013- RV12, Kit #119. N123M First flight Nov21. It's a keeper!
1998- RV-9 tail kit, built and sold
1989- RV-6 tail kit, built and sold
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05-22-2013, 08:11 PM
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Join Date: Dec 2008
Location: Lacey, WA
Posts: 1,365
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Oil sender location
Quote:
Originally Posted by rgmwa
I've mounted mine on a bracket and clamp next to the battery. I have made up the hose and plan to run it under the right hand cylinders and secure it with clamps. However like you, this is new territory for me, so I'm open to suggestions.

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Here is my experience in moving the oil sender.
I do like your location better.
Tony
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Tony
E-LSA RV-12 ULS
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05-22-2013, 08:44 PM
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Join Date: Aug 2010
Location: Marshall TX (KASL)
Posts: 1,783
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I got the Lockwood kit. I used the upper outboard bolt that attaches the Skyview engine module to the firewall. I attached a adel clamp to that to hold the relocated sensor. Works fine. If memory serves, I think I went to the hardware store and got one 90 degree fitting that wasn't in the kit. That may vary based on how you route your line. Also, and I don't know if it was really necessary, but I charged the line with oil as part of connecting it all up. Note that your oil reading will be slower to come up after engine start - will take a few seconds.
Last edited by Bill_H : 05-22-2013 at 08:51 PM.
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05-22-2013, 09:12 PM
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Join Date: Feb 2010
Location: Perth, Western Australia
Posts: 1,647
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Thanks for the link Tony, I didn't know you'd moved yours. I looked at taking the hose over the top, but there are already a lot of hoses and the plug leads crossing there and potentially rubbing on each other. Going underneath was a shorter route and less congested. It puts the hose closer to the muffler, but still fairly well clear. I discussed it with my tech counsellor and he thought it was OK. I was going to put the bracket on the firewall shelf with the sender horizontal, which seemed a neat arrangement to me, but he felt that might not provide enough strain relief. With the sender mounted where it is now, the hose curves up from below into the fitting and has plenty of flexibility. Where it passes under the cylinders I'll secure it with Adel clamps. I don't know if this approach is better or worse than any other, but I guess time will tell.
__________________
rgmwa
RV-12LR 912ULS
120346
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05-22-2013, 09:38 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by rgmwa
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Quote:
Originally Posted by JAT
I see 80 PSI plus on my gauge, so I think AN fittings would be safer than a clamp. A pinhole fitting would also restrict the amount of oil in case the hose connection did fail. I used an Adel clamp to fasten my sender to the firewall, but your bracket looks much better. Just a thought.
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I agree.
Does the kit Lockwood supply's have a push on hose barb fittings for the hose Like the one in the photo)? 
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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