Author Topic: McCulloch resleeve  (Read 1320 times)

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Offline aclarke

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Re: McCulloch resleeve
« Reply #10 on: November 06, 2014, 02:24:25 pm »
Thank you. May machine down the cooling fins on an 084 cylinder and add some filler to thicken up the wall and use a sleeve on it. Any recommendation on a steel type in lieu of the cast iron?
Thk. Adam

Offline 660magnum

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Re: McCulloch resleeve
« Reply #11 on: November 06, 2014, 02:42:12 pm »
12L14
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Offline aclarke

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Re: McCulloch resleeve
« Reply #12 on: November 06, 2014, 03:55:36 pm »
Thank you

Offline 660magnum

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Re: McCulloch resleeve
« Reply #13 on: November 06, 2014, 04:52:50 pm »
 12L14 is a free machining, leaded type steel that you will not have any trouble making (dimension) with. With a hot saw or cookie cutter this should be very acceptable.

If you use something like 4140 chrome moly, you will need to jump though a few hoops to get it made for a good fit. Rough machine, aging, finish machining.
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Offline aclarke

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Re: McCulloch resleeve
« Reply #14 on: November 06, 2014, 06:14:33 pm »
12l14 looks like it may be hard to find in larger bar stock.  I'll keep looking.  May use a spun iron sleeve as they are a dime a dozen. I'll have to weld more material around the jug to support the thin sleeve

Offline 660magnum

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Re: McCulloch resleeve
« Reply #15 on: November 06, 2014, 08:03:15 pm »
Centrifugally cast Meehanite cast iron would be great if you can get it at a good price.   
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Offline aclarke

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Re: McCulloch resleeve
« Reply #16 on: November 06, 2014, 09:10:44 pm »
Looks like the LA Sleeve products is centrifugal cast. Used one on a 2100 Husky project and it was very well made O.D was ground very consistent.  Let you know how it goes

Offline neil

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Re: McCulloch resleeve
« Reply #17 on: November 07, 2014, 01:24:04 am »
very informative gentlemen, I just watching and learning...

Offline mcbob

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Re: McCulloch resleeve
« Reply #18 on: November 08, 2014, 03:08:26 pm »
Me too ........................................
I am a idiot so my pics disappeared.

Offline Al Smith

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Re: McCulloch resleeve
« Reply #19 on: November 08, 2014, 06:28:57 pm »
I'll second LA Sleeve .Coring out a piece of gray iron takes a long time .Spin cast also should be stronger I would think .

In my case with 70 over the wall thickness was around 35 thou give or take .I think you could press a thick sleeve like that and once pressed bore it out some .Too thin I'm about afraid you'd crack it  pressing it in .

You can get precision  tubing in about any size which is very strong but like 4140 steel it doesn't machine that well I suppose it could be honed to size but it would take a month of Sundays to do it .

How thick,good question I think under combustion pressures can reach 800 PSI .If it had enough "meat" to back it  it up and could transfer the heat maybe 10-12 thou ,just a guess .

Now on a Mac it's fairly easy because you can go right through the ports to cut in the ports .Some like a Stihl or a quad port Husqvarna you's about have to make a port map template and do every thing inside which would be a chore .If you tried to cut the ports in first you'd first of all have to be right on the money plus the ports being cut in ahead of time would probably cause the sleeve to crack while being pressed in .

 

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