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  #31  
Old 12-10-2014, 05:32 AM
N941WR's Avatar
N941WR N941WR is offline
 
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Location: SC
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I agree with LowPass regarding inspecting the engine first. Here is a picture of one cylinder from my O-290 after I brought it home in 2005. It was overhauled in 1959 and had bounced around unused since then.

I did replace all the rubber gaskets, intake tube seals, etc before the first flight but that was it.


(Click to enlarge)

PS. For your double post, hit the "Edit" button and then click on "Delete".
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Last edited by N941WR : 12-10-2014 at 06:04 AM.
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  #32  
Old 12-10-2014, 10:12 AM
SHIPCHIEF SHIPCHIEF is offline
 
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I noticed from the picture that "Dusty" has no roll bar.
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  #33  
Old 12-10-2014, 11:15 AM
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Russ McCutcheon Russ McCutcheon is offline
 
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Quote:
Originally Posted by SHIPCHIEF View Post
I noticed from the picture that "Dusty" has no roll bar.
I think he just has it removed at this point for whatever reason, re painting maybe. In the first pictures covered in dust it has the roll bar installed.
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  #34  
Old 12-10-2014, 01:32 PM
Jstov Jstov is offline
 
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Location: Melbourne beach, fl
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Yes it was removed and there is one with it. I can't believe how good that cylinder looks after all that time. My only concern is that the hangar is a mile from a salt water lagoon and our very moist humid environment.
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  #35  
Old 12-10-2014, 02:35 PM
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N941WR N941WR is offline
 
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Quote:
Originally Posted by Jstov View Post
Yes it was removed and there is one with it. I can't believe how good that cylinder looks after all that time. My only concern is that the hangar is a mile from a salt water lagoon and our very moist humid environment.
That engine was stored in the guy's garage down in Baton Rouge, LA. You might be OK. Find someone to show you how to pull a jug and inspect it.

Go a head and buy the Overhaul Gasket kit for your engine. Then you will have everything you will need to put it back together regardless of what is found. (I think you might have to buy the intake runner to sump hoses separately, I don't recall.)
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  #36  
Old 12-15-2014, 04:55 PM
Jstov Jstov is offline
 
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Here is how dusty looks now! I am going to strip the paint, any suggestions? I am looking for info as far as the process goes. Should I strip then immediately aluma prep then alodine. Let me know what process you guys think would work the best.



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  #37  
Old 12-15-2014, 05:14 PM
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Mike S Mike S is offline
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Wow, you are going all out with this rehab thing

Gonna have something you can be proud of, and have faith in when you are done.

Thanks for the postings, keep them coming as you progress.
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  #38  
Old 12-15-2014, 06:55 PM
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Chemical strippers, the type suitable for aluminum, is the most common. Use a phenolic scraper so you don't scratch the surface. Big mess.
Soda blasting is my favorite. It works amazingly well. However, the equipment is expensive, a bit finicky, generates a lot of heavy spent soda, and a lot of dust. If you can find a local soda blast company that has a booth, I would check it out.
You should not need to etch or convert the metal again. It should take primer after stripping but you will have to clean the parts suitably. Follow the instructions for the chemical stripper. Soda requires a very diluted wash of vinegar, then soap and water or Kleen strip prep all or other normal paint prep cleaner.
Your making great progress. Fun times.
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  #39  
Old 12-15-2014, 07:24 PM
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Now it looks like mine did about 15 months ago.
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  #40  
Old 12-16-2014, 04:31 AM
Jstov Jstov is offline
 
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I hope it looks like what yours does now soon! There are so many little detail things that the original builder did that makes it look not well built. For instance the hole for the flaps pushrods is just a jagged hole cut out with no care. There are a few structural issues but nothing that isn't repairable.
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