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Identify Old Welding End


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  #1  
Old 06-01-2019, 07:28:13 AM
DJB6.03CE DJB6.03CE is offline
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Default Identify Old Welding End

Hoping someone knows what make this is, no tag on the unit, mounted on a Wisconsin THD around the 50s

Part numbers all start with a G
G29-328 brush part number
G26-34
G29-285

https://flic.kr/p/2g6EA9E
https://flic.kr/p/2g6ER8a
https://flic.kr/p/2g6ER4h
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  #2  
Old 06-01-2019, 03:30:33 PM
dalmatiangirl61 dalmatiangirl61 is offline
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Default Re: Identify Old Welding End

Looks like an aircraft starter or generator.
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Old 06-01-2019, 04:40:03 PM
Vanman Vanman is offline
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Default Re: Identify Old Welding End

By end I thought welding rod or stinger...

Agreed, looks like an aircraft starter generator.

That flicker is terrible. Fuzzy little pictures. Can you upload here? Does the generator have a nameplate on it anywhere?

I have a big one that actually came off of a tank or some such thing...

https://www.smokstak.com/forum/showthread.php?t=179628

Keith
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Old 06-04-2019, 11:19:42 PM
dkamp dkamp is offline
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Default Re: Identify Old Welding End

That's a 28v aircraft generator. Off the top of my head, Hobart made some, but lots of other companies contracted to manufacture those, there were some for sale at Surplus Center couple-five years ago or so. They push enough current and voltage (unregulated) to weld... but they'll also do a fine job as an engine starting unit...

..trying to remember the biggest manufacturer's name... two words, hyphenated...

Ah... Delco-Remy... there was a variety of 'em, and I think they showed up on everything from radial engines to turbofans. I'm not certain wether they used them for starting motors AND generators, but they probably could have...

Last edited by dkamp; 06-05-2019 at 12:02:46 AM.
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Old 06-05-2019, 12:59:42 AM
Vanman Vanman is offline
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Default Re: Identify Old Welding End

Many are starter generators. Mine is not, but will run fine as a shunt motor... Just doesn't have the series winding to give the grunt equal to amps squared.
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Old 06-05-2019, 05:54:04 PM
Tracy T Tracy T is offline
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Default Re: Identify Old Welding End

Quote:
Originally Posted by dkamp View Post
I'm not certain wether they used them for starting motors AND generators, but they probably could have...
delco in fact did both, although smaller than what the OP has. I have seen them on older model kohler & briggs engines and also on the later modle IH cub tractor. all of these were the size of a automobile generator and they must put out some torque to be able to spin the flathead 4 in a cub tractor!
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Old 06-07-2019, 06:28:24 PM
dkamp dkamp is offline
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Default Re: Identify Old Welding End

You are very correct on this, Tracy- all my older IH Cub Cadet garden tractors (prior to 1978 or so) have Kohler K-singles with starter-generators... and they will do both...

.. they do both, equally as bad... On a cold day, it's all that poor thing can do to lunk over the one-lung 12hp and hydrostat.

The IH Cub Lo-Boy used one on it's C60 four-cylinder too... I had a Cub 154 that used starter-generator, rather than ring-gear, and it actually cranked it better than my single-cyl Kohlers.

In a larger form factor, they probably work a little bit better...My Onan 5CCK used exciter start, as do my Kohler L600 and L645 four-cylinder liquid cooled spark-ignited fours... the biggest exciter-starteds of my herd are Kohlers with 4-cylinder Waukesha FC140's...
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Old 06-07-2019, 09:57:01 PM
Tracy T Tracy T is offline
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Default Re: Identify Old Welding End

the cub lo boy was the one i was thinking of, i wonder if they have the shunt coils wound differently? i agree they strugle with a one cylinder but some how can spin a 4 banger!
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Old 06-08-2019, 10:37:24 AM
dkamp dkamp is offline
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Default Re: Identify Old Welding End

Something tells me that there IS a difference between the Lo-Boy and K-single starter-generators, but I think it's just DIRECTION of rotation, not winding or power.

The reason why the four cylinder rolls over easier than the single is a pretty simple thing:

The IH C60 is a 60 cubic inch four cylinder... that's four 15ci pistons... and one is on compression stroke every 180 degrees.

The Kohler K301 is a 30 cubic inch single cylinder... that's one piston, on compression stroke every 720 degrees. Although the K-engine is HALF the size of the C60, it exhibits twice the displacement per power stroke... and that means, if the two engines were to have the same compression ratio, the K-single would require about twice the power to overcome compression.

The C60 doesn't have ball bearing mains, but it has almost 4x the moving parts (shared camshaft, right?)... still, the static drag of the C60 cranking, isn't significant compared to the compression load of the K-single. Even if the compression release is working, the K-single exhibits quite the load to 'lunk over'.
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