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1929 Briggs and Stratton Issues


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  #1  
Old 06-14-2019, 06:06:32 PM
acisbest acisbest is offline
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Default 1929 Briggs and Stratton Issues

Hello,

I just picked up a 1929 Briggs and Stratton at a flea market. I probably paid too much... He said it was frozen from sitting.

Got it home and took off the head, everything looked great. Opened up the shroud and found that the flywheel was touching the shroud sheet metal. After I took the flywheel off the engine spun freely with great compression.

So, now I need to know why this flywheel is hitting. My guess is that it is the wrong flywheel. I'll try to post pictures.

Where can I get parts for this old engine?

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acisbest
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Old 06-14-2019, 08:40:39 PM
radiodoc radiodoc is offline
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Default Re: 1929 Briggs and Stratton issues

A model and type number would help.
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  #3  
Old 06-14-2019, 10:53:41 PM
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Default Re: 1929 Briggs and Stratton issues

here, here.....
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Old 06-16-2019, 11:35:29 AM
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Default Re: 1929 Briggs and Stratton issues

The flywheels on those early Briggs engines are poor quality pot metal and tend to warp badly. Usually they begin to drag on the armatures as well and require an hour or two to true up where they will turn over and make sparks. Flywheels are pretty readily available for most models but as they say, we need more info to be able to offer you help. Most likely you have an FH, then again you mighta got lucky and picked up something a little more rare.
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Old 06-16-2019, 02:17:58 PM
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Default Re: 1929 Briggs and Stratton issues

That early of an engine should not have a type number.

I had one that was rubbing the shield riveted to the backing plate, dirt had gotten down between the backing plate the sheet metal and pushed the sheet metal out until it was rubbing the flywheel.
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Old 06-16-2019, 07:36:59 PM
acisbest acisbest is offline
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Default Re: 1929 Briggs and Stratton issues






---------- Post added at 07:35:08 PM ---------- Previous post was at 07:29:23 PM ----------

The number plate seems to be broken off of the rivets on the shroud. Then engine has an nice wooden stand on wheels with a plate that says "1929 Briggs, 18 years of service."

---------- Post added at 07:36:59 PM ---------- Previous post was at 07:35:08 PM ----------

The flywheel is toast in my opinion. Inner cracks. Where can I get a new one?
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Old 06-16-2019, 07:53:04 PM
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Default Re: 1929 Briggs and Stratton issues

That would be a model FH.
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Old 06-16-2019, 08:07:28 PM
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Default Re: 1929 Briggs and Stratton issues

Thanks for identifying it. Where could I find a parts diagram? Did it ever have a governor? Attaching a few more pictures.


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Old 06-16-2019, 08:18:22 PM
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Default Re: 1929 Briggs and Stratton issues

Looks like someone adapted a Model Y carb to the engine. There should be a governor under the little stamped steel flywheel.

Look at page 6 of the manual (link below), it shows the governor.

The manual also has a parts breakdown in the back of it.


Briggs & Stratton FH Manual
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Old 06-20-2019, 01:46:08 AM
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Default Re: 1929 Briggs and Stratton issues

Quote:
Originally Posted by acisbest View Post

[/COLOR]The flywheel is toast in my opinion. Inner cracks. Where can I get a new one?
That flywheel looks fine to me. I would run it. I can’t post a pic until next week, but I can show you what a bad one really looks like.
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Old 06-20-2019, 05:20:10 AM
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Default Re: 1929 Briggs and Stratton issues

Turn your crankshaft to different positions and check for up and down play also. That too could give erratic/no spark and rubbing.
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Old 06-28-2019, 09:01:42 AM
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Default Re: 1929 Briggs and Stratton issues

The flywheel is probably warped. Does anyone know what the taper angle is on the crankshaft? I think I'm close with 10 degrees. I'm trying to make a mandrel for the flywheel and then true it up on the lathe if I can.

My guess now is that the flywheel brass has gotten out of round and that's why the flywheel is hitting the back plate.
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Old 06-28-2019, 09:20:34 AM
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Default Re: 1929 Briggs and Stratton issues

This might help give you a idea of what should be there
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Old 06-28-2019, 11:20:09 AM
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Default Re: 1929 Briggs and Stratton Issues

Thanks, that's a nice engine. Mine is cobbled together. It's missing most of the governor pieces. I'll keep an eye out on ebay or at vintage swap meets.

Will this engine get hurt by over revving without the governor? Will the intake valve eventually limit the high speed?
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Old 06-28-2019, 05:53:54 PM
Tony Glaser Tony Glaser is offline
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Default Re: 1929 Briggs and Stratton Issues

If you need the wooden governor collar I made a few this winter. Send me a message if you need one. Also there is a guy in Michigan I think that sells parts and there cheaper than eBay. Google antique Briggs engine parts, I think you will find him.
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Old 06-30-2019, 12:20:11 AM
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Default Re: 1929 Briggs and Stratton Issues

The flywheel and mag plate are prob warped, very common on this era Briggs. The main bearing might also be badly worn.
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Old 06-30-2019, 12:14:19 PM
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Default Re: 1929 Briggs and Stratton Issues

Here’s some pics of a truly bad flywheel.
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