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Unidentified Engines

Unidentified Flywheel Gas Motor


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  #1  
Old 09-30-2013, 12:25 PM
Zyndyna Zyndyna is offline
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Default Unidentified Flywheel Gas Motor


Hopefully the Picture will show up. My Husband and I obtained this motor and know nothing about the type etc. The only thing that we was told is the gentleman found it at a sale and it didn't have a magneto so he improvised it now has a coil and a small battery in the box beneath it. It looks like a hit and miss but it doesn't sound like one when it runs. Any information you might can give us would be greatly appreciated.


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  #2  
Old 09-30-2013, 12:34 PM
CarlS CarlS is offline
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Default Re: Unidentified Flywheel Gas Motor

Looks like someone made it up from a Briggs and Stratton and other parts.
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Old 09-30-2013, 01:37 PM
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Forrest A Forrest A is offline
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Default Re: Unidentified Flywheel Gas Motor

Cobble job, a nice one at that.
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Old 09-30-2013, 01:49 PM
Zyndyna Zyndyna is offline
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Default Re: Unidentified Flywheel Gas Motor

OK so it is not just one type of motor I guess? I forgot to get a pic of the other side but it does have another flywheel that looks like the one on the right. Of course it cranks this way also. So does it look mostly like a briggs and how old do you think it is. It runs great. I hate that it is a mis match
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Old 09-30-2013, 01:54 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Unidentified Flywheel Gas Motor

Looks like a Briggs & Stratton 5-S that has had its gas tank removed and a jar installed. The original backing plate has been cut down, shrouding and flywheel are also goneThe flywheeels are valve handles. With 2 heavy wheels, should run nice and slow, but don't run for long, without the cooling, the cylinder will get pretty hot! Nice find, should be an attention getter at shows!
Andrew
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Old 09-30-2013, 02:15 PM
Zyndyna Zyndyna is offline
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Default Re: Unidentified Flywheel Gas Motor

Yes it runs real slow and is strictly air cooled The muffler doesn't even really heat up. Now granted we have only ran it for like 5 mins at a time. Any idea what it may have been used for and how to get an age on it? It doesn't have any identification on it anywhere. Thanks for helping everyone.
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Old 09-30-2013, 02:32 PM
Ron Beddome Ron Beddome is offline
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Default Re: Unidentified Flywheel Gas Motor

Yes it should run nice and slow ------ and no more ! From the pic we cannot see the govener if there is one or how the carb is set up ! If that flywheel is subjected to any real speed at all it could fracture and blow up. I will add that I dont think it is a real flywheel at that but a (?) hand wheel that isnt desined to spin at speed at all . Originally that motor could run over 1000 rpm easy -- now it wont without killing some body .
I am sure the person that built this knew this and intended to keep it safe and knew how -- however if a person who didnt know or a kid at a show grabed the throttle and reved it up to hear what it sounded like it could turn out very bad . Just my two cents!
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Old 09-30-2013, 02:58 PM
Kirk Taylor Kirk Taylor is offline
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Default Re: Unidentified Flywheel Gas Motor

Quote:
Originally Posted by Zyndyna View Post
Any idea what it may have been used for and how to get an age on it? It doesn't have any identification on it anywhere. Thanks for helping everyone.
It was built as someone's toy, so it's purpose was entertainment. Think of it as a model car. People build model cars because they like to. They take parts and assemble them for entertainment. This engine is the same. Someone built it because they liked to build things.
The model 5S Briggs engine that this was constructed out of was built between 1949 and 1957. The identification would have been on part of the shroud that has been removed.
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Old 09-30-2013, 03:00 PM
beezerbill beezerbill is offline
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Default Re: Unidentified Flywheel Gas Motor

Looks like a Briggs 5S, common lawn mower engine from the 50's, that has been modified into a show piece. In its present form a show piece is its only purpose.

Be very careful when running it - those flywheels are not right. The one in the picture looks like it has a balance weight (thick section on the rim) which looks too big for the balance factor this engine needs. Not sure it is even in the right place. I would not go over about 120 RPM with it the way it is - or better, don't run it at all. If indeed the flywheels were originally hand wheels they don't likely have the strength to serve as true flywheels. If they don't break outright they are likely to tear the engine apart at speed from imbalance loads. Sorry about the negative input but better to be safe than sorry.
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Old 09-30-2013, 05:18 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Unidentified Flywheel Gas Motor

From the looks of it, the flywheel pictured came off an industrial sewing machine. As the B&S engines are internally balanced, your engine might hop around a bit if revved up, with that counterweight. The original airvane governor was removed along with the magneto mount, when the bearing plate was machined to its present configuration. The originnal purpose of the B&S 5-S was to power small equipment like a reel type lawn mower. As is, your engine is for entertainment only - it is a show piece.
Andrew
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Old 09-30-2013, 05:58 PM
TekNik TekNik is offline
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Default Re: Unidentified Flywheel Gas Motor

I have seen a similar engine on YouTube.
Here is the link to the series
this engine is a hit and miss engine though...
Homemade hit and miss briggs project
TekNik
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Old 09-30-2013, 06:18 PM
jamesk815 jamesk815 is offline
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Default Re: Unidentified Flywheel Gas Motor

Here's another thought, using that glass jar as a gas tank is a real fire danger. Maytag found that out years ago when there
upright washer started house fire's when the glass jar broke
and spilled gas on the hot motor!
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