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Office of Steam Forum for Model &amp
;amp;amp;amp;amp;amp; Toy Steam Gas &amp
;amp;amp;amp;amp;amp;amp; Hot Air Engines
(HTM) https://officeofsteamforum.createaforum.com
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(DIR) Return to: Restorations
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#Post#: 50482--------------------------------------------------
Another steam engine shaped object
By: DJoksch Date: April 6, 2022, 4:01 pm
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I was given another strange looking homemade steam engine
contraption as a birthday present. Im pretty sure I saw this
one on eBay recently. It looks like the second cylinder was
ported to be a compound cylinder then plugged and incompletely
reworked to be an air pump. The stroke is approximately 1.2,
the cylinders are roughly 1.25 with 2.2 inches of stroke
ability.
The engine was make runnable after some quick modifications to
the working valve cylinder. My plan is to run it on steam so I
started by building a 2 throw crank to use the entire cylinder
and it ran fine on air. I am calculating the bore for a primary
cylinder and will sleeve to fit. The valve cylinder was poorly
made, too small, binds and will need to be replaced. Also need
to address bearings.
(HTM) https://youtu.be/wHIZldR3id8
#Post#: 50637--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: April 10, 2022, 12:02 am
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The cylinders are now sized for a 2 throw along with the 1.2
bore. The crank is now parallel with the cylinders. My plan is
to move the steam chest to top of the cylinders as in the
previous build.
(HTM) https://youtube.com/shorts/jFvFoAVDhdM
#Post#: 50894--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: April 18, 2022, 9:36 am
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Building the steam chests.
#Post#: 51574--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: May 15, 2022, 2:35 pm
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Made a new eccentric and slide valve parts. I marked off the
steam ports and getting ready to cut.
#Post#: 51580--------------------------------------------------
Re: Another steam engine shaped object
By: txlabman Date: May 16, 2022, 9:10 am
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An unusual configuration.
Nice work on getting it running.
#Post#: 51740--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: May 26, 2022, 8:08 pm
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Slowly progressing.
#Post#: 51775--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: May 29, 2022, 3:03 pm
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Finishing the walnut base. Decided on a planked floor. Ill
clad the cylinders while I varnish the base. I cant deicide if
I should stain it or just used a tinted varnish.
#Post#: 52006--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: June 20, 2022, 9:09 am
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Shimming and adjusting the first stage. I have an eBay
governor I bought some time ago I thought would look nice.
(HTM) https://youtu.be/py8CVwBIWlQ
#Post#: 52105--------------------------------------------------
Re: Another steam engine shaped object
By: DJoksch Date: June 24, 2022, 3:35 pm
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Engine test on compressed air. Two 1.2 cylinders and a 2
stroke puts out some serious torque. Ready for first run on
steam.
(HTM) https://youtu.be/-jFED2x22jA
#Post#: 52107--------------------------------------------------
Re: Another steam engine shaped object
By: Jim Date: June 24, 2022, 6:51 pm
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Its come up very nicely.
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