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USN, Clark Manufacturing Gen ID help


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  #1  
Old 04-20-2017, 07:20:26 AM
R6T8net R6T8net is offline
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Default USN, Clark Manufacturing Gen ID help

Hello all. I mess around with WWII vehicle, firearms, trailers and stumbled across something I can find no information regarding; I'm hoping someone on here may be able with my ID quest.

The unit is a USN Clark Manufacturing (contract looks to be 45 March) powered by a Willys flat head four; 7-1/2 Kw, 115V 60Hz. Its built upon a Ben Hur trailer frame and looks professionally done. I found one pic on line of a second unit (just the shell) so It's not a complete bastard. Can anyone shed more light on what I have? It's very complete and clean and I'm hoping to get it running and making power. Thanks in advance.
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Old 04-20-2017, 08:58:42 AM
mschreiber mschreiber is offline
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Default Re: USN, Clark Manufacturing Gen ID help

Looks good, mostly complete for a refurbish. Do u know t.o. for that machine? This is the manual that came with it. It'll have complete operation and care of it. I don't know where u can look them up. After 4years i finally found the t.o. 4 my stewart warner ground heater on ebay. good luck with ur project.
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Old 04-20-2017, 09:40:44 AM
OrgWayne OrgWayne is offline
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Default Re: USN, Clark Manufacturing Gen ID help

Looks like a NATO elec plug on the front frame , round thing with a 2 hole plug , not sure when they came out , when did Nato start ??, uses at a navy base or ?, hope you find out , nice find
Wayne
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Old 04-22-2017, 05:30:57 AM
Rich Mc Rich Mc is offline
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Default Re: USN, Clark Manufacturing Gen ID help

Post more pictures of the generator and exciter. The unit is probably assembled by Clark using some other manufactures engine/generator assembly.
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Old 04-23-2017, 10:49:55 AM
coolpool coolpool is offline
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Default Re: USN, Clark Manufacturing Gen ID help

What a great find! As for Orgwayne's question, I've seen the two pole slave receptacles on WW2 equipment before. It should have a tag on it somewhere stating 12volt only. They tend to have the screw on cap attached with a short bit of chain. This differs from the 50's on up 24v ones which the cap is attached with a sliding band type fastener.
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Old 06-06-2017, 11:01:32 PM
R6T8net R6T8net is offline
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Default Re: USN, Clark Manufacturing Gen ID help

Finally got around to messing with this thing and here is what I figured out:
The unit was for the Navy's sG-2 surface radar unit however this one specifically for SG-2S which meant shore based. Navy contracts show best I can tell late 44/early 45. Engine is a WWII Willys 4 cylinder, oil and plugs (AR80 Autolite) were pristine, electrical components (coil, cap, rotor, etc) are all autolite and, if not original are definitely vintage. I fiddled with it for 30 minutes and she fired right up and runs perfectly; 40+psi oil pressure hot and about 140 degrees coolant temp. All indications show this thing does not have many hours on it. Generator produces good power and all gauges work, still trying to figure out all the controls.

The receptacles are for the 115V out. Any ideas where I might find a cable?



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Old 06-08-2017, 09:30:53 AM
OrgWayne OrgWayne is offline
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Default Re: USN, Clark Manufacturing Gen ID help

R6T8net , Me being in the military for 20 years , I saw a lot of welders, compressors , gen sets , and some vehicles with very low hrs . I saw a 2 1/2 ton truck 1967 with 20,000 miles in 1987 !
Wayne
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