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Antique Gas Engine Discussion

Jacobson Machine Mfg. Co., Warren, Pennsylvania


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  #241  
Old 01-18-2014, 04:03:11 PM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Testimonials-some of these are Pennsylvania engines. Large engines.
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  #242  
Old 01-19-2014, 10:23:36 PM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Factory photo showing fuel pump and Elkhart mag.
Does anyone out there have one of these fuel pumps?
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  #243  
Old 01-20-2014, 10:12:03 AM
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Denis Rouleau Denis Rouleau is online now
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Here are pictures of a recently restored 2hp. Bull's Eye. Don, note the original cart under the engine.

http://buzzcoil.brinkster.net/moody/page129.html

Denis Rouleau
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  #244  
Old 01-20-2014, 11:15:32 AM
Kirk Taylor Kirk Taylor is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Quote:
Originally Posted by Denis Rouleau View Post
Here are pictures of a recently restored 2hp. Bull's Eye. Don, note the original cart under the engine.

http://buzzcoil.brinkster.net/moody/page129.html

Denis Rouleau
...and I am sitting here marveling at the complexity of the ignition system, thinking about how easily it could be broken off and how troublesome it might be after receiving significant wear.

Denis, Don, and all who are contributing to this thread, I thank you.

Kirk
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  #245  
Old 01-20-2014, 05:27:32 PM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Those Accurate mag and ignitor setups are huge. On a small engine they add inches to the front and obscure the front of the head. I imagine that many were broken off during moving even though they are more heavily built than the Webster.
The cart looks to be a possible original.
Tom; Thanks for sending in the pictures of your engine.

Last edited by Don Worley; 01-20-2014 at 11:25:09 PM.
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  #246  
Old 01-20-2014, 11:33:23 PM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

This is the same engine as my previous post.
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  #247  
Old 01-21-2014, 09:27:09 AM
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Denis Rouleau Denis Rouleau is online now
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Don, is there any usefulness to the underwriter's tag on a Jacobson engine? Was it a selling gimmick to show that a Jacobson was safer than any other engine make? Did not seem to be a requirement as other engines don't have underwriter tags.

Also, have you determined the importance or significance of the number on the tag? Tom's tag is #5, by far the lowest number found on an underwriters tag.

Denis Rouleau
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  #248  
Old 01-21-2014, 11:15:03 AM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

It was a selling point. However, the obtaining of an Underwriters approval for an explosion-proof engine for use inside a building could also be a practical thing when it came to insurance coverage. You must remember that at this time gasoline engines were still not trusted as much as steam. If you had a steam boiler and engine, you needed a registered steam operator, which indicates that even steam was not totally trusted. Having a gasoline engine that had a special design for the fuel storage and delivery system, as the Underwriters approved tank that Jacobson used, would ease the worries of both the insurance company and the owners. The tank and fittings are definitely safer than the standard tank, having reenforced, riveted seams, spark proof screens in all the tank fittings and a special filling and venting system.
As far as I know, Jacobson is the only company that went to the effort to go through the testing to obtain UL approval. Whether Wards had any push to get UL approval is unknown, though it would seem likely for Jacobson to get the manufacturing contract among all of the engine companies at the time.
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  #249  
Old 01-22-2014, 08:19:32 AM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Picture of a UL tank under construction. All seams, rivets, fittings and corner gusset pieces are soldered together.
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  #250  
Old 01-23-2014, 12:33:25 AM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

This is supposed to be portable. Note the fuel pump setup. Anyone got an engine with one of these pumps? The fuel pump is required because the carburetor is mounted high by the intake. Most were mounted low and were gravity fed.
The second picture shows an engine with a similar setup that has been made gravity fed. The bolt holes in the base indicate it probably had a pump.
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  #251  
Old 01-24-2014, 11:11:27 AM
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Here are some name tags found on Jacobson built engines:
http://buzzcoil.brinkster.net/moody/page130.html

Seems like it is not easy to take good pictures of name tags as I had to go through over 100 pictures of name tags to come up with just these few that are nice enough for here.

If you have or feel like taking a better picture of your Jacobson's engine tag, please do so and email me the tag's picture.

Thanks!
Denis Rouleau
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  #252  
Old 01-25-2014, 10:21:57 AM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

The most original Unito engine that I have seen. Don't know where it is now. When I saw it guys from Canada were trying to sell it.
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  #253  
Old 01-26-2014, 11:59:11 AM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Factory photo. Early hopper type Jacobson around 1912. You can tell by the cone muffler and the intake cage with the mounting bolt showing. This side of the cage tended to break off if tightened too much. The design was changed to make it solid on that side. This photo was taken during the Wards period so some Jakes were made during that time. You will note that it has a battery box and an Elkhart mag. The larger engines had both with a two way knife switch to start on the battery and then switch to the mag. You will also note bolts for mounting on a cart on the skid. This is the same engine that was previously shown on a cart. They forgot to put an oil cup on the front sideshaft mounting bracket. If you are restoring a Jake note the details to make the restoration correct. This is one of the best photos that I have for detail.
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  #254  
Old 01-27-2014, 07:19:47 PM
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Last of the 7 hp pictures. I am running out of good stuff to post. Anybody got things to post?
I know that it is winter and engines are buried in corners, but we need more Jacobson serial numbers sent to Denis. Please register your engines.
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  #255  
Old 01-28-2014, 06:21:58 PM
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

I found one more 1912 engine picture. It shows a good view of the gas fill set up and early oil shield which is thinner than later design.
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  #256  
Old 01-28-2014, 08:37:36 PM
Bob Upham Bob Upham is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Don Do you know the reason or time period change as to why some engines have the air intake made from plumbing fittings vs the casting?
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  #257  
Old 01-28-2014, 08:58:11 PM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

The cast elbow appears to have started when the Wards engines changed names from "The Ward" to the Bullseye. I have a feeling that Wards probably thought that the pipe intake looked cheap and required a more ritzy appearing part. The cast elbow also worked better because it had a built in venturi. The Bullseye will not have pipe intake, but a Jacobson could have either.
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  #258  
Old 01-29-2014, 12:11:28 AM
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

How bout some pictures of a Jacobson model engine?



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  #259  
Old 01-29-2014, 08:33:47 PM
Don Worley Don Worley is offline
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

This post and several following posts will be pages from a salesman's book 1908.
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Old 01-30-2014, 11:49:27 PM
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Default Re: Jacobson Machine Mfg. Co., Warren Pa.

Sales book continued 1908
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