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| Robinson Hot Air Engine. |
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| Bluechip:
Hi Dave SD Nice .... looks like it may have originated with ETW .. Although, if it had a commercial prototype, it would look like it .... appen ?? http://www.camdenmin.co.uk/hot-air-engines-c-329.html EDIT ... might just be an illustration. Maybe the engine is not in the book ?? Dunno .. just ordered one anyway ...I will find out :scratch: Dave BC |
| Dean W:
Thanks for the pics and video, David. You know I'm thinking about it!.. Dean |
| NickG:
Dave, Strange ... appologies for my suggestion! Was there a bung in the rusty hole or was it open - I assumed it was open? The plug in the end could be where the port has been drilled - somewhere there must be a transfer port between the top of the displacement cylinder and the bottom end of the power cylinder. You'll no doubt want to take it apart anyway, but inside the displacer cylinder (big bit that flame goes under) there should be a loose fitting piston - possibly hollow or made up of discs. As I said, there must be a port connecting the two cylinders somewhere. Then there'll be a very good fitting piston in the power cylinder. With a quick search on google I found this which may clear a few things up anyway and be of use in your rebuild: http://users.moscow.com/oiseming/lc_ant_p/pic_Prj4.htm Not seen the videos but looks like a nice little project. Nick |
| Stilldrillin:
Thanks for that Nick! :thumbup: I had already found this one...... http://www.steves-workshop.co.uk/steammodels/robinson/robinsonindex.htm The hole is left open. The brass headed screw is an airway plug, I am sure. I think it's been fitted by a bad tempered gorilla, 'cos I can't shift it, yet. ::) I would like to know how the air is supposed to transfer from displacer to piston, without picking up water on the way. A couple of other jobs to do next....... Then I might find out, around the weekend! David D |
| Stilldrillin:
Well, I managed to get it apart without causing any damage. Apart from sawing off the end of the bent shaft, to remove the flywheel...... Hmmmm........ Still not sure how the cooling water, and internal air, are intended to be kept separate. :scratch: Plenty of de rusting to keep me quiet/ mucky. ::) David D |
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