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 Post subject: Make and Break Engine restoration help
PostPosted: Fri Dec 19, 2014 12:37 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
Hi guys. There was an add in the local paper for a make and break engine, a 5 hp 1910 Knox. The add said it it had "minor issues". I went and found it was completely seized! I soaked the piston in diesel for a week and removed it. the rings were shot. There also is a crack in the rod, about 3" long. It is a hairline crack. I only noticed it because diesel built up in the area after I took it out of the bin it was soaking in to remove some of the residue that was on it. Should I weld up the crack or buy a new rod? The rod looks like the original.
Is there any way to salvage this old engine, or is it only good for parts? It would be a shame to see a piece of history get thrown in the junkyard.
I had never heard of a make and break before the add, I just like old machinery. So if anyone could give me a rundown on how one works, I would be very grateful.


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Fri Dec 19, 2014 4:34 pm 
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Joined: Mon Apr 16, 2012 4:53 pm
Posts: 270
Location: Ringgold GA
Make and break engines were mostly used as marine engines, I think. Sounds like a cool project. If you can find a new rod then go for it. If not welder up the old one. There are a lot of ways to weld cast. Look it up on YouTube, there are a ton of good instructional videos there. POST PICS!!!

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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Fri Dec 19, 2014 6:23 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
I'll try as soon as the camera is fixed. My dad has an old Canon, but there is no film, and I don't have a scanner.


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Sat Dec 27, 2014 6:16 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
Ok, the rings arrived today, and I decided to splurge on a new rod. I wanted to use the original, but I'm not too confident in my skills as a welder yet. I just finished a class called "Intro to Welding", so I'm not that good yet. However, I'm keeping the old rod so I can repair it in the future.
Also, I found a repair manual online, and I'm missing the ignition points! Back to the parts store/internet!


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Mon Dec 29, 2014 12:53 pm 
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Joined: Mon Apr 16, 2012 4:53 pm
Posts: 270
Location: Ringgold GA
Running down parts for old iron is one of the fun parts I'm told. It's certainly not my favorite part though

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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Mon Dec 29, 2014 11:22 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
It certainly is interesting, that is for sure. There is a friend of the family who is a fair machinist, so if need be, he could fabricate them for me, but I'd rather not, as I'd like to keep it as accurate as possible.


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Sun Feb 08, 2015 2:18 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
OK, after much debating, I decided to have the family friend fabricate the ignition points for me, as I can't afford to by originals. However, I am keeping up the search for them, just in case I find some within my budget. Hopefully, I will be able to fire her up this spring.


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Mon Feb 09, 2015 4:47 am 
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Joined: Sun Dec 27, 2009 12:47 pm
Posts: 95
Location: philly 'burbs
vee out that crack on both sides and leave about an eighth inch or less root opening. get yourself a nice laser heat gun, pre heat the thing to about 500 degrees. weld with nickel rods, 1/8th @ appx. 90 amps or 3/32 @ appx. 50-60 amps , then post heat it up to 800 degrees, and wrap it in controlled cooling blankets or sand so it cools as slowly as possible . make sure you do a pass on one side then flip it over and do a pass on the other so it doesn't deform.

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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Mon Feb 09, 2015 9:48 am 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
Here is the thing. I'm not too good with TIG yet. MIG? Forget about it! I just started v-groove, and SMAW is OK, but not great. I'm only a 310 (Second class out of 4, each lasts a semester.) Maybe in Fab, I'll give it a try. Thanks for the advice on how to fix it , though!


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Tue Mar 24, 2015 12:18 am 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
Got the ignition points. Going to install them soon.


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Wed Mar 25, 2015 12:31 pm 
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Joined: Mon Apr 16, 2012 4:53 pm
Posts: 270
Location: Ringgold GA
Still need pictures

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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Wed Mar 25, 2015 11:09 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
I'm really trying.


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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Sun Apr 26, 2015 11:06 pm 
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Joined: Mon Apr 16, 2012 4:53 pm
Posts: 270
Location: Ringgold GA
How's your project coming along?

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 Post subject: Re: Make and Break Engine restoration help
PostPosted: Mon Apr 27, 2015 4:03 pm 
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Joined: Tue Dec 02, 2014 1:17 pm
Posts: 70
Location: Central Wisconsin
on hold for now, because of lack of funds.


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