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Author Topic: Stuart #7A running off live steam from Jensen boiler.  (Read 2688 times)

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Stuart #7A running off live steam from Jensen boiler.
« on: July 22, 2024, 07:40:25 pm »
Back at y'all again with another new video.    Borrowed this beautifully well-made Stuart #7A from Charlie.   Has a LOT of torque and runs great, however this is its first run off live steam.   Amazingly this engine uses way more steam than the Jensen 50 engine itself but the Jensen 50 boiler has no problem keeping up.


Hope you enjoy the video.


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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #1 on: July 23, 2024, 09:40:49 am »

Thanks for the video Travis.

Nice to see this one running on steam.

I bought this one from Gil and I hope he can provide some history on it.
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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #2 on: July 23, 2024, 02:29:34 pm »
The Stuart 7A is a medium sized vertical with a square design
of 1" x 1" bore and stroke. Your model also has the optional
reverse gear unit. Nice to see that the Jensen Boiler has more
than enough steam to run this size of engine. Thanks for the video.
Arnold
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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #3 on: July 23, 2024, 06:52:27 pm »
Quote from: tenniV11 on July 23, 2024, 02:29:34 pm
The Stuart 7A is a medium sized vertical with a square design
of 1" x 1" bore and stroke. Your model also has the optional
reverse gear unit. Nice to see that the Jensen Boiler has more
than enough steam to run this size of engine. Thanks for the video.
Arnold

I searched high and low for an exact model # but can’t find it. 7A is closest I could find?
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The steam engine has done much more for science than science has done for the steam engine.”

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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #4 on: July 24, 2024, 01:10:28 am »
Bonjour,

You could find 7A castings here : https://www.stuartmodels.com/products/set-of-castings/
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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #5 on: July 24, 2024, 06:18:53 am »
Quote from: SteamAddict91 on July 23, 2024, 06:52:27 pm
Quote from: tenniV11 on July 23, 2024, 02:29:34 pm
The Stuart 7A is a medium sized vertical with a square design
of 1" x 1" bore and stroke. Your model also has the optional
reverse gear unit. Nice to see that the Jensen Boiler has more
than enough steam to run this size of engine. Thanks for the video.
Arnold

I searched high and low for an exact model # but can’t find it. 7A is closest I could find?
Hi Travis,  That 7A you have is the exact model.
I know because it came from the Office of Steam.
It is part of a collection I got from Andrew Burr. At some point I passed it on to Charlie.
Gil
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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #6 on: July 24, 2024, 10:08:08 am »
Quote from: RedRyder on July 24, 2024, 06:18:53 am
Quote from: SteamAddict91 on July 23, 2024, 06:52:27 pm
Quote from: tenniV11 on July 23, 2024, 02:29:34 pm
The Stuart 7A is a medium sized vertical with a square design
of 1" x 1" bore and stroke. Your model also has the optional
reverse gear unit. Nice to see that the Jensen Boiler has more
than enough steam to run this size of engine. Thanks for the video.
Arnold

I searched high and low for an exact model # but can’t find it. 7A is closest I could find?
Hi Travis,  That 7A you have is the exact model.
I know because it came from the Office of Steam.
It is part of a collection I got from Andrew Burr. At some point I passed it on to Charlie.
Gil

Thanks Gil!

It is just on loan. :)
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Re: Stuart #7A running off live steam from Jensen boiler.
« Reply #7 on: July 27, 2024, 10:21:59 pm »
Quote from: txlabman on July 24, 2024, 10:08:08 am
Quote from: RedRyder on July 24, 2024, 06:18:53 am
Quote from: SteamAddict91 on July 23, 2024, 06:52:27 pm
Quote from: tenniV11 on July 23, 2024, 02:29:34 pm
The Stuart 7A is a medium sized vertical with a square design
of 1" x 1" bore and stroke. Your model also has the optional
reverse gear unit. Nice to see that the Jensen Boiler has more
than enough steam to run this size of engine. Thanks for the video.
Arnold

I searched high and low for an exact model # but can’t find it. 7A is closest I could find?
Hi Travis,  That 7A you have is the exact model.
I know because it came from the Office of Steam.
It is part of a collection I got from Andrew Burr. At some point I passed it on to Charlie.
Gil

Thanks Gil!

It is just on loan. :)
No worries at all... Good that it brings us all some enjoyment!
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