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03-09-2010, 08:38 AM
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Join Date: Feb 2005
Location: Marion, MA
Posts: 236
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Ron, on your Accusump, did you install the electric switch activated valve so you can close it off before engine shut down and store the oil for pre-oiling on the next start up?
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Dave "WS" Rogers
RV-8 N173DR
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03-09-2010, 03:41 PM
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Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,628
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Quote:
Originally Posted by Wicked Stick
Ron, on your Accusump, did you install the electric switch activated valve so you can close it off before engine shut down and store the oil for pre-oiling on the next start up?
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No. I fly enough that I don't worry about having a dry cam or bearings at start-up.
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Ron Schreck
IAC National Judge
RV-8, "Miss Izzy", 2250 Hours - Sold
VAF 2021 Donor
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03-09-2010, 03:56 PM
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Join Date: Feb 2006
Location: Friendswood, TX
Posts: 68
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Pictures of Raven/Accusump Installation
Ron,
Any pictures or details on how the accumulator is plumbed into the engine?
I have the Raven system minus the check valve installed. I have not decided if I should ditch the check valve in favor of the accumulator or try running them together. I believe you stated at one time that Danny King was running both.
Danny --- any comments?
Thanks,
David
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03-09-2010, 04:12 PM
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Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,628
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Quote:
Originally Posted by DeltaTango
Ron,
Any pictures or details on how the accumulator is plumbed into the engine?
Thanks,
David
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I plumbed into a "T" fitting at the top of my oil cooler. See the third picture in post number 6 of this thread.
__________________
Ron Schreck
IAC National Judge
RV-8, "Miss Izzy", 2250 Hours - Sold
VAF 2021 Donor
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03-21-2010, 10:16 PM
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Join Date: Nov 2006
Location: Cumming, GA
Posts: 610
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Thanks Smokey
For this thread.
I added the half-Raven during the annual inspection. The folks at Raven sent everything I needed except some #6000 hose. I haven't added the accumulator yet, but still feeling good just knowing my tail will not be dripping oil all year.
Don
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Don Hall
N517DG - RV7 - Flying!
Ticked Van's Hobbes meter at #6110, 3/7/09
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03-22-2010, 03:08 AM
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Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,628
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Quote:
Originally Posted by dhall_polo
For this thread.
I added the half-Raven during the annual inspection. The folks at Raven sent everything I needed except some #6000 hose. I haven't added the accumulator yet, but still feeling good just knowing my tail will not be dripping oil all year.
Don
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Now if we can just find a way to keep the smoke oil off the belly...
Happy Hammerheading,
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Ron Schreck
IAC National Judge
RV-8, "Miss Izzy", 2250 Hours - Sold
VAF 2021 Donor
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03-22-2010, 09:01 AM
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Join Date: Jan 2005
Location: Cincinnati, Ohio
Posts: 1,060
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Thanks Smokey!
Mutha was wondering what his next mod would be. 
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Jon Thocker
Habitual Offender
RV4, RV4, RV6A, RV8, RV8, RV8,RV8, RV8, RV8, RV12
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09-07-2015, 12:59 PM
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Join Date: Nov 2014
Location: Plano, TX
Posts: 225
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I am thinking of installing the same in my RV-8 ( I am also only looking for short periods of inverted flight and I am just tired of cleaning my hanger floor after every flight ... ) so I figured I ask if you are still happy with it after using it for a couple of years.
Thx
Oliver
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09-07-2015, 07:07 PM
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Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,628
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Quote:
Originally Posted by spatsch
I am thinking of installing the same in my RV-8 ( I am also only looking for short periods of inverted flight and I am just tired of cleaning my hanger floor after every flight ... ) so I figured I ask if you are still happy with it after using it for a couple of years.
Thx
Oliver
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Oliver,
I have since upgraded to a full inverted system for sustained inverted flight but for your purposes the half Raven will work great. Go for it.
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Ron Schreck
IAC National Judge
RV-8, "Miss Izzy", 2250 Hours - Sold
VAF 2021 Donor
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01-07-2016, 08:14 PM
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Join Date: Apr 2012
Location: Tampa (Wimauma actually)
Posts: 421
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My Half Raven
Thanks to the excellent advice I got here, I chose and just finished installing a Raven Inverted Oil System - just the air/oil separator system. This is commonly referred to as the Half Raven since I didn't install the pressure side inverted oil valve components. My objective was to eliminate the excessive loss of oil and messy airplane I was seeing after my aerobatic flights. I have a carbureted 360 so sustained inverted isn't a requirement. I just wanted to eliminate the mess and the oil loss.
I can happily report great success. I flew the first flight today and, after putting the -4 through some very extensive zero and negative g maneuvers, I returned to find very little oil on the belly and no measureable oil loss. Before the installation of this system, I was seeing a quart to a half-quart loss on some of my more aggressive flying days and the belly would be a complete mess.
This experience also highlighted to me the value of the experimental aviation world. I learned a lot. I had to learn about and select all the right mounts, hoses and fittings, sealants, and tools. I built my first ever hoses. I think it took me three different shipments from Spruce and two from Summit Racing, but once I had all the right stuff, it was pretty simple. I enjoyed it immensely and the results provided a lot of personal satisfaction. I want to give a big thank you to the folks the produced the EAA videos on hose fabrication. They helped me immensely!
Also, a big thumbs up for the Raven products. Quality stuff that just works!
Randy

__________________
Randy King
Tampa (Wimauma), Florida
RV-4 N212CS (sold)
RV-8 N184RK (flying)
Flying an A320 to pay the bills
Exempt and gladly donating anyway - Current through March 2021
Last edited by f14av8r : 01-07-2016 at 08:16 PM.
Reason: grammar
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