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Antique Gas Engine Discussion

Nelson Brothers engine?


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  #1  
Old 09-10-2013, 07:45:56 AM
tim2010 tim2010 is offline
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Default Nelson Brothers engine?

Just picked up what I think is a Nelson Brothers engine – not much information to be found on the net. The brass nameplate is missing off the front of the hopper, although the agents (Clark & Fauset) cast iron badge is still on the side of the hopper. The engine has been taken off its base (which I will also get) and is mounted on a transport but am interested in what the original transport may have been like.
The only number I can find on the engine is F821 stamped on the flywheel. There are casting numbers all starting with F including F5 on the front of the hopper.
Flywheels are 36” diameter with a bore and stroke of 5½” x 10”
Any information to help identify the engine including the following would be greatly appreciated.
What is the HP & RPM and approximate year of manufacture?
What magneto (low tension) should it have?
What type of exhaust should it have?
What does the fuel saver look like (assuming it had one)?
What did the crank guard look like?
Fuel tank details – was it in the base? Shape?

Cheers,
Tim
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Old 09-10-2013, 09:07:20 AM
David Babcock David Babcock is offline
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Smile Re: Nelson Brothers engine?

Yes, nelson bros. Built. Without going to the books, i think iam right with the following: Type c 2-1/2-3 hp, type d 5 hp, type f 6-7 hp, type j 12 hp. Its possible you may find the serial number on the pulley side flywheel face over the counterweight. Db.
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Old 09-10-2013, 09:57:37 AM
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Denis Rouleau Denis Rouleau is offline
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Default Re: Nelson Brothers engine?

I'm no expert on Nelson Bros engines but the F821 stamped on the flywheel is the "model" and the serial number. Unfortunately no one will be able to tell you when your Nelson Bros was built as nobody knows as all company records were destroyed in a fire many years ago. Having said that I would say this engine was built between 1911 and 1922 since it does have the WICO magneto that was introduced in 1923.

The early model F was rated at 6hp while later ones with WICO were rated at 7hp.

Here is a chart with some dimensions:



Hope this helps,
Denis Rouleau
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Old 09-11-2013, 10:58:04 PM
tim2010 tim2010 is offline
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Default Re: Nelson Brothers engine?

Thanks for the replies.
Yes - serial number F821 found on flywheel - year?
Can anyone help with details/pics of magneto, exhaust, fuel saver, crank guard, fuel tank ...

Cheers,
Tim
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Old 09-11-2013, 11:57:59 PM
Wakulla Bill Wakulla Bill is offline
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Default Re: Nelson Brothers engine?

Nice looking engine Tim. You have a lot more to start with than I do. I enjoy a challenge though as you can tell from the DB I acquired in my post.
Cheers back at you,

Bill
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