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This model shows the internal structure and operating principles of a working steam engine. The metal cylinder is cross-section cut and is covered with a clear plate to show movement of the piston inside the cylinder.
Complete with working parts – the piston, slide valve both move and the link motion and reversing method can be observed. The movement of the wheel is light enough to demonstrate even by blowing air from one's mouth.
Dimensions of model on base are 14 x 7 x 4 inches.
momchurch7
Reviewed in the United States on March 16, 2023
I bought this for him for his birthday, I thought it was a steam engine but it's now, it's hot air so he bought a motor that makes it go LOL... he still loves it and it's a nice addition to his collection of little engines.
Walter J.
Reviewed in the United States on December 29, 2023
A wonderful display that can be operated on low pressure air for teaching.
Charles A Krauter
Reviewed in the United States on November 21, 2023
This is a neat demonstration model of a steam engine with a reversing gear, much like a locomotive engine. Because the parts are metal and the viewing window is glass, this could technically run on live steam (I am not going to try that, please be careful if you do). Unfortunately, the assembly is very sloppy and it does not run well out of the box. I can get it to run a little bit at about 10-20psi from an air compressor, but not reliably. The idea of running it on human lung power is a little ridiculous. I need this for an upcoming public demonstration, so I am going to try to rebuild it into something that runs smoother. Fingers crossed.
Logan S.
Reviewed in the United States on May 12, 2020
Came broken, not the manufactures daily, however, I got to peer inside at the broken pieces and it's cheap cheap metal. Make one yourself and use quality materials. This isn't worth $100
Pierre Houle
Reviewed in Canada on November 2, 2020
Vraiment très éducatif
Rex A Schildhouse
Reviewed in the United States on August 18, 2018
Purchased to support a railroad museum. Almost works well. There is one significantly mis-manufactured part which precludes an possibility of proper operation. Contacted the company, very receptive at first, then nothing. Hooked it up to a regulated 5 PSI air source and can get it to run 1 out of 5 tries for short periods of time - 5 to 10 seconds.Does it demonstrate the Stephenson Gear / D-valve concept? Yes, if you use a microscope and micrometer to measure the D-valve displacement due to Johnson bar displacement.Almost happy.
VV
Reviewed in the United States on October 3, 2017
Doesn't actually turn correctly - the piston (behind the glass) scrapes against the metal and doesn't allow the wheel to turn. Tried with a bicycle pump, tire inflator, lungs - it catches due to some manufacturing defect in the housing.
SmartDesigner
Reviewed in the United States on April 16, 2017
It's a nice product. As stated before, the packaging was poor which may have resulted in bent parts. Nevertheless, I had tweak the linkage to stop the rubbing.It was a nice tool for the classroom. It provided a better understanding of slide Galveston for the students.It would move for a few seconds when air was applied. The angle of advance isn't set right. Maybe adjusting the angle will help. However setting the lead would be difficult, since I'm not using steam to run it... can't account for expansions.It helps for demonstration but it lacks the details for a functioning steam engine... not that I expected it to run as a steam engine, being that it's a cutaway
Dr. M. Powelson
Reviewed in the United States on February 2, 2016
Great item and very well made, packaging could be better as the inlet pipe was broken off in the steam chest but all in all it is a nice unit
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