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Author Topic: Semi-rare Jensen 20 Big Power Plant  (Read 1819 times)

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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #15 on: May 05, 2019, 09:15:05 am »
More pics.
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #16 on: May 05, 2019, 09:18:44 am »
Last one. Maybe some one can tell me what I'm doing worng. Every time i try to add more then one picture it comes up error and want send.
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #17 on: May 05, 2019, 09:43:22 am »
Interesting that there are more variations Randy, will have to take a look at my 20's this afternoon...
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Nick

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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #18 on: May 05, 2019, 10:55:21 am »
Very nice Randy, thanks for sharing !

Regarding age i was pretty close then, since the cast iron base genny, according to much more knowledgeable people than i, was decommisioned in 1979.

Will have to ask Steven "Griffin" and Andrew "Scalex for details of theirs, to see if more variations is out there.
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Jan
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #19 on: May 05, 2019, 11:29:38 am »
A beautiful steam plant Jan, it’s great to hear fellow steamers helping each other out.
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Kevin

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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #20 on: May 05, 2019, 11:43:27 am »
Thanks Kevin
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Jan
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #21 on: May 05, 2019, 03:59:00 pm »
Trying to figure out what Jensen done is part of the fun of collecting them. Just when you think you got it figured out you find something different. I have only seen 2 with the stuffing box , cap, and 4 screws in the side of steam chest. I'm sure there is probably more out there. Kinda strange that both are 20s with generators hooked to them. Wonder if he was trying to seal them up better to get more power from them to pull generator better.
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #22 on: May 05, 2019, 08:50:50 pm »
Quote from: Nick on May 05, 2019, 09:43:22 am
Interesting that there are more variations Randy, will have to take a look at my 20's this afternoon...

Well... no luck with finding this feature on the 20's on the shelf here
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Nick

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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #23 on: May 06, 2019, 01:39:12 pm »
Steven has replied to me via PM, and will share some detail pics of his at some point.
He has two of these, one with cast iron and one with the early teal painted stamped aluminum generator, will be fun to see if they´re different to ours here

Fingers crossed Andrew will do the same, once i get hold of him, as he (appearently) has two as well.
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Jan
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #24 on: May 08, 2019, 09:34:49 am »
Very nice
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #25 on: May 08, 2019, 01:08:53 pm »
Hmmm...

This is getting interesting.  ???
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #26 on: May 08, 2019, 02:13:11 pm »
Quote from: txlabman
Hmmm...

This is getting interesting.  ???

Agreed, seems more of them are coming out of the woodwork.
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #27 on: May 08, 2019, 05:12:54 pm »
I figured there was more of them out there. I just haven't seen or know of any. This is getting interesting.
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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #28 on: May 10, 2019, 05:47:45 am »
As requested, I have finally got around to posting some photo's of the two #20's I have that are fitted with the stuffing box type valve.

First up is a power plant that is of 1986 vintage. You will notice that this one is fitted with two screws, and two rivets in the side of the valve chest, and the "O" ring gland in the valve stem.

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The second #20 is also a power plant, and is of 1985 vintage. This engine was once a resident of the Temple of Steam.
You will notice that this engine is fitted with four screws in the side of the valve chest, and has the same "O" ring gland in the valve stem as the previous engine.

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I am sure this will all add to the mytery of the Jensen #20 steam chest design.

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Steven

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Re: Semi-rare Jensen 20 Big Power Plant
« Reply #29 on: May 10, 2019, 07:13:02 am »
Thanks. Now I can prove the one that I've got isn't modified. I've had couple people telling me it had been modified and wasn't factory built that way.
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