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Hit & Miss Gas Engine Discussion Meet collectors of hit and miss engines, ask questions about collecting, restoring and showing antique flywheel engines.

Hit & Miss Gas Engine Discussion

12hp Domestic – The Jungle Engine Story


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  #41  
Old 12-14-2010, 05:36:45 PM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Just got the piston out this afternoon! Cylinder looks good (no need to rebore) and we will be able to reuse a couple of rings. The top ring was missing, but no big deal. The two pictures below are what dad rigged up to pound the piston out - worked really well.
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  #42  
Old 12-14-2010, 05:40:01 PM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Here are the pictures of the cylinder and the piston. We were able to free up the rings in about 10 minutes. This is in better condition then we expected.
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  #43  
Old 12-21-2010, 01:44:04 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Still making some progress on the engine My brother Rob had a good idea about the cylinder. He suggested sandblasting the pits out with a small handheld cabinet blaster unit with fine sand. It worked great and really helped define all of the pits down to the bare metal. Afterwards Dad gave it a coat of JB weld. It’s not the first time we have used this Stak given tip to fix up a few rough spots on a cylinder. As you can see after a small amount of initial honing things really look nice. Still more work to do on the cylinder though.

As for parts the Stak site and Stakker community has been invaluable! I was able to locate a magneto, ignitor, spark saver rocker, a muffler, and a proper truck/cart. I’ll post pictures of my finds as they come in and give credit where it is due! Also, I have made arrangements to borrow an exhaust rocker and the cast gear shield for the magneto.

The only thing I have to nail down yet is the mixer! It is a Monarch Valve Company mixer. It has three needle valves: 1. Gas, 2. Kero, 3. Water. See the picture down below. I know this is self-serving, but I had to post a picture of it just in case anyone has one they would like to part with!
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  #44  
Old 12-23-2010, 03:45:32 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Here is the finished cylinder, it turned out great! Glad it did not have to be bored and resleeved - we know how expensive that gets!
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  #45  
Old 12-23-2010, 03:47:55 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Dad called me at about 11 o’clock am and tells me how we need to get the flywheel off. I never look forward to that – ever! At about 3:00 pm I went over to the shop with 3 of my 4 girls and its done! VERY SURPRISED how easy it came off. Marshal told me that he soaked it last night with the Essential Lube, loosened the flywheel bolt and rapped on it with the lead hammer - it moved. He then tried the gib key and that moved also! 1,2,3 it was done. Why can’t they all be that easy?

The first picture is Marshal with two of his granddaughters Macy and Aubrey. Aubrey, in the pink, is Grandpa’s girl! I was outside with Macy and Zoey sledding and Aubrey wanted nothing to do with it. At only 2 ˝ she would rather be in the shop with grandpa. Perhaps there is hope for me yet? Is it too much to ask one of my daughters be mechanically inclined AND like this old stuff? Time will tell, but she’s off to a good start!
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  #46  
Old 01-08-2011, 10:32:12 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Just a quick update with photos to show some progress.
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  #47  
Old 01-08-2011, 11:30:08 AM
Dennis Peters Dennis Peters is offline
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Default Re: 12hp Domestic – The Jungle Engine Story

Randy, did you realize the serial number on the crank doesn't match what the missing tag had on it. maybe the tag was misread.Dennis
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  #48  
Old 01-08-2011, 12:28:10 PM
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Default Re: 12hp Domestic – The Jungle Engine Story

Yes I know - thats why I posted it - to correct the misreading. I is a very blurry photo and the numbers were stamped funny. If I had more time this morning I was going to point that out sorry.
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  #49  
Old 01-28-2011, 12:44:00 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

I NEED to update this post before I forget anything! I would really like to thank a few people that have made the restoration of this engine SO MUCH easier! First, I would like to thank Al Gore for inventing the Internet - hey Al I hope you are enjoying those deep muscle massages – you deserve it after all your hard work! So now that I have offended some people I will get back on point! Thank you to Jason Dahm for the right cart, some assembly required and the way we like them, (picture 1 and 2) and for also loaning us the 2 inch Lunkenheimer mixer we needed. To be returned when he needs it SO I am still looking of one if anyone has one. Thank you to Bob Herder for the reproduction muffler and spark saver (muffler picture 3). Thank you to Jon Rozevink for the very nice reproduction ignitor (picture 4) AND for Miss September, October and November (not pictured sorry) – how did you know our project was missing those! And....
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  #50  
Old 01-28-2011, 01:02:46 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Thank you to Adrian’s Magneto service for the wonderful magneto (picture 1 and 2). Thank you to Bob Oosterman for allowing my dad and friend Ron to measure up dimensions and to photograph his 12hp – it was a big help! Also pictured below are a few items our friend Ron machined up for us: a small gear for the mag, the intermediate gear for the mag, new valve stems and a few other bits (picture 3 and 4).
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  #51  
Old 01-28-2011, 01:14:52 AM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Here are a few pictures of our progress as of tonight. We plan on lifting the engine onto its cart this weekend.
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  #52  
Old 01-28-2011, 03:30:42 AM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: 12hp Domestic – The Jungle Engine Story

Going back to some of your original pix, I wonder what made the side shaft rust out so severely in that one area? Did you see how they fired the spark plug that was installed? Looks like you are getting close in your machanical repair efforts. Do you plan to paint the engine before mounting on the cart? Please keep us posted on your efforts. Nice work and great find!
Andrew
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  #53  
Old 01-28-2011, 10:28:41 AM
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Default Re: 12hp Domestic – The Jungle Engine Story

Andrew,

The engine was set to fire via a magneto set directly at the end of the sideshaft – it was one of those ‘lets keep this thing running as long as possible’ job after the original mag and ignitor went bad. This is after all an island engine so waiting weeks or months for parts was probably not an option.

As for the severe rust in some spots and none in the others the best I can surmise is salt deposits as a result of its island location. That though is merely a guess.

And painting the engine we actually don’t know what we are going to do yet? Age the new parts or paint it. Either way we would like to get it running and set on the truck first before we do anything. Engines are easy to lift off with a loader tractor.

Anyone have an opinion? Paint it or age it?
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Old 01-28-2011, 10:44:09 AM
Max Cox Max Cox is offline
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Default Re: 12hp Domestic – The Jungle Engine Story

Given the history of this engine, cleaning it up and keeping the "as found" island look would make a display engine that would draw a crowd at a show.

My 2 cents

Max
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Old 01-28-2011, 11:34:36 AM
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Default Re: 12hp Domestic – The Jungle Engine Story

great thread and a very nice save.
id say age the new parts,
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  #56  
Old 01-28-2011, 11:38:03 AM
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Default Re: 12hp Domestic – The Jungle Engine Story

I say leave it alone and paint it with drain oil. Of course, I'm lazy and never paint anything!

You guys sure aren't wasting any time getting it together! I was talking to Jim Brown the other day and told him the engine was in good hands.
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  #57  
Old 01-29-2011, 11:41:20 PM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Engine is up on trucks and the flywheels are back on! We have a few things left to keep us busy while we wait for the parts at the foundry to get done.

Randy
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  #58  
Old 02-02-2011, 02:38:37 PM
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Photo Re: 12hp Domestic – The Jungle Engine Story

This post goes back a few weeks...


I had posted in an earlier post that a member of the Stak community had offered to loan us his exhaust rocker and magneto gear guard for pattern purposes. Unfortunately, he changed his mind, but did offer us a lot of advice and pictures of his. In the end, it was for the better because my dad fashioned a gear guard out of steel that looks almost as good as a casting AND it saved us the expense of having a core box made.

However, before we were told we couldn’t borrow the parts, my brother, myself and dad devised a $185 plan to copy the parts without taking his originals to the foundry. My brother (Rob) is a taxidermist and a few years ago began experimenting with freeze-dried animal parts (noses, turkey heads, etc.) as patterns for plastic casting. So I got to thinking, if he could cast animal parts why not cast iron? I talked to him about it and Rob told me he could cast just about anything. A few days later he called me up, told me he just received some samples of plastics and molding material from his supplier. From these samples he was able to determine the proper combination of products to fit our casting needs considering the shape of the gear guard we were going to cast. FYI – pattern material and plastic is zero shrinkage.

Our plan was simple – make plastic castings of the originals and get those back to the owner the next week and take the plastic casts into the foundry as the pattern. You can imagine how bummed out we were when we got word the parts were unavailable to use.

So having bought the product already why not play around with it – right!? That’s just what we did. Marshal fashioned up a wood pattern to complete the other half of the original rocker arm and we set Rob to work.
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  #59  
Old 02-02-2011, 03:00:56 PM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Rob made the mold in two parts according to the exhaust rockers original parting line (the first picture is Day 1 progress). Day 2 (pictures two and three) is after it cured for 24 hours then a parting solution is sprayed onto the mold so the two halves separate from on another. Day 3 we disassembled the mold box and separated the two halves. Note - wood was placed in the mold to raise its level without adding more product.
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Old 02-02-2011, 03:07:12 PM
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Photo Re: 12hp Domestic – The Jungle Engine Story

Here is what it looked like as it was coming out.
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