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| madjackghengis:
I've got to say, Chuck, that is one of the more interesting engines I've ever seen, and I'm really looking forward to seeing how you reproduce it, and watch and listen to it run. :beer: Cheers, mad jack |
| Jasonb:
Looks to be the same principal of one of Anthony Mounts models, the Bodmer's sliding Cylinder Engine, will be interesting to see how you tackle the valving. You may find this build of the model useful http://dampfundmehr.de/menu/bodmer J |
| cfellows:
Thanks everyone. The original engine shown in the video uses rotary valves in the crankshaft. In my engine, the valving will be operated by the cylinder. As it moves from one end to the other, it will push the piston and the hollow piston support shaft left and right to alternately connect one end and the other with the air supply coming up through the end supports. Although not shown, I will have to install stops on each end to limit the axial travel of the piston support shaft. Here is a picture showing my current plan for the air supply and valve operation. I have some concerns about my ability to get the piston support shafts to move freely left and right and still seal well in the end supports. Have to see how that goes. My engine will be reversible, and, although it should be self starting, I'm guessing it will always start in the same direction it was last going. Chuck |
| Doc:
I like this concept this should prove to be nice little engine and with 2 cylinders opposing each other it should be a good smooth runner. Nice concept should be very interesting! |
| andyf:
I'm looking forward to seeing how it turns out. I may be wrong, but it looks like the cylinder may have more mass than the piston of a conventional engine of similar bore/stroke. Will that necessitate* a bigger flywheel to help it over TDC and BDC? * that took a bit of spelling at 1.30am Andy |
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