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  #11  
Old 03-09-2010, 08:38 AM
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Wicked Stick Wicked Stick is offline
 
Join Date: Feb 2005
Location: Marion, MA
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Default

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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  #12  
Old 03-09-2010, 03:41 PM
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ronschreck ronschreck is offline
 
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Location: Gilbert, AZ
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Quote:
Originally Posted by Wicked Stick View Post
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?
No. I fly enough that I don't worry about having a dry cam or bearings at start-up.
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  #13  
Old 03-09-2010, 03:56 PM
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DeltaTango DeltaTango is offline
 
Join Date: Feb 2006
Location: Friendswood, TX
Posts: 68
Default 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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  #14  
Old 03-09-2010, 04:12 PM
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ronschreck ronschreck is offline
 
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Quote:
Originally Posted by DeltaTango View Post
Ron,
Any pictures or details on how the accumulator is plumbed into the engine?



Thanks,
David
I plumbed into a "T" fitting at the top of my oil cooler. See the third picture in post number 6 of this thread.
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  #15  
Old 03-21-2010, 10:16 PM
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dhall_polo dhall_polo is offline
 
Join Date: Nov 2006
Location: Cumming, GA
Posts: 610
Default 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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  #16  
Old 03-22-2010, 03:08 AM
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ronschreck ronschreck is offline
 
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Quote:
Originally Posted by dhall_polo View Post
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
Now if we can just find a way to keep the smoke oil off the belly...

Happy Hammerheading,
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  #17  
Old 03-22-2010, 09:01 AM
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jthocker jthocker is offline
 
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Thanks Smokey!
Mutha was wondering what his next mod would be.
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  #18  
Old 09-07-2015, 12:59 PM
spatsch spatsch is offline
 
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Location: Plano, TX
Posts: 225
Default

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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  #19  
Old 09-07-2015, 07:07 PM
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ronschreck ronschreck is offline
 
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Quote:
Originally Posted by spatsch View Post
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
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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  #20  
Old 01-07-2016, 08:14 PM
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f14av8r f14av8r is offline
 
Join Date: Apr 2012
Location: Tampa (Wimauma actually)
Posts: 421
Default 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







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Last edited by f14av8r : 01-07-2016 at 08:16 PM. Reason: grammar
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