Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines
The Regular Stuff: Chat, Buy, Sell, Off Topic, etc. => General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals => Topic started by: MadeForThat on July 07, 2025, 11:00:09 pm
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well, I got too fancy with it, and drilled the end of the crack. soldered up nice, now the cylinder ends leak more than the barrel at least haha! Drilled hole is definitely the most noticeable spot for the repair, but over all it turned out decent. there is a little bit of solder on the surface of the nickle that will eventually darken and be pretty obvious, but I figure I will just scotchbrite it away after a few times. Went ahead and steamed it, and found out that -to no ones surprise- the sightglass was no where near ready for that hahaha. cut off a can bottom to catch the water as it leaked, and got a head of steam in no time, enough to turn it over for a few minutes.
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Because I cant send these pics in DM's... If anyone has a particular desire for a no.35 boiler in moderate condition, I might drill it off the firebox if Parallel is not interested. Perhaps a matching feed water tank for a larger Jensen boiler? Lol the possibilities are definitely not endless
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Sorry about the crack.....I've seen worse.
I had an engine with a cracked cylinder.
I was advised that super glue is a good
alternative so I tried it with success. Just
be careful of the piston's position. I don't
think the glue will make it all the way in.
Just don't flood it with glue - less = no mess!
Or, call Jensen and ask to speak with Andy.
He does a great job of soldering engine parts.
I had a cylinder that split off the steam chest
and the prior owner tried ??? to glue it together.
A real mess. Andy took the whole engine and fixed
it perfectly. It is now a sweet runner.
Good Luck,
Wayne
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Well I made an offer on a Jensen 35, and got it in hand! I sure know how to pick em! Big old crack in the cylinder. Bummer! @parallelmotion, I have a heater and firebox for you, shoot me a DM. Upside is, I have a complete no.5 that just needs a crack soldered and some cleaning!
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Sorry I misunderstood. I think with taxes and shipping (from you to me) it's going to be a bit more than $40, so I'll have to pass.
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I was suggesting either you or I buy the ebay engine I posted, and sell the other parts to the other person, you would get the firebox/heater, and I would get a piston, for about 40 a person
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Thanks for the offer but I don't have one to part out--looking for a heater and firebox.
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thanks for looking out! I'm actually looking at: https://ebay.us/m/yM1lAC
@parallelmotion, if you would be interested in splitting up an engine, I would put 40 towards the piston, and you can keep the rest!
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Check this out on Ebay . Might be something you could use .
https://www.ebay.com/itm/317066796109?
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Crossing my fingers on the 70 or 35 pistons working! If it seems like it can be swapped I will probably find a cheaper donor 70! If not, I will probably sell the boiler/firebox, and hold onto the cast iron engine base to make my own piston. Trust me when I say I am trying to put the right parts on this haha, but you gentlemen seem to enjoy bidding on ebay Jensens hahaha!
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These cylinders split often, so probably quite a few missing.
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I think a #70 or #35 may work, i'll look around.
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Amongst this community, I'd think the odds of sourcing a piston/cylinder for that otherwise fairly nice-looking engine are at least fair to middling!
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Whoa...there you go. I'd be willing to bet parting it out, though it would
take time, would yield a decent return. Maybe enough to get your parts for
free.
Good Luck,
Wayne
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I'm looking for that size heater and firebox if you decide to part it out.
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That is a tough nut to crack.
Unfortunately, Jensen has no replacements at this time. You may
have to buy one in worse shape but with a cylinder/piston/rod assembly.
I bought a 1951 Jensen #10 with a rough but working boiler. Then, I bought
a #5 with a good boiler, swapped the boilers, and sold the donor on ebay.
If you part the donor out you may get most of your $$$'s back. Someone is
always looking for a whistle, S/V, sightglass assembly, and whatever else
can be detached.
Good Luck,
Wayne
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If any of you happen to use Facebook marketplace, you may have seen this one. I work nearby and swung by after work today, seller was willing to go way low because he wouldn't have to ship. But it's missing it's piston! Tragic really, when I got home and realized that the model 60 piston is not even close to the same! I am wondering about the piston on the 70, as it is double acting. If anyone has leads on a replacement piston, or is willing to try swapping a piston from a 70 to a 5, I would love to hear either way! [attachimg=1][attachimg=2]