|norman valentine||08/11/2018 19:30:55|
|200 forum posts|
I have been given some castings for an interesting model. I do not know if they are all for the same model. I have assembled some how I think that they might go. Can anyone identify the model? Thanks.
|82 forum posts|
I think they are tubal cains engine - Tom Walshaw- the cylinder rotates in the central casting I seem to remember with a roller on the end of the piston rod. The cylinder rotates in the frame, fed by steam through its trunnions. Valve was driven by a fixed eccentric sheve with a rotating strap It was a published design perhaps 20 years ago in EIM or Model Engineer. A very neat and brilliant mantle shelf engine. Good luck! I seem to remember the machining of the frame was quite involved. A gyrations challenge ........but I’m working from distant memories.....
15323 forum posts
Look up Coomber Rotary engine
|Neil Wyatt||08/11/2018 20:17:25|
15947 forum posts
My recollection is that the frame needs to be given just the right amount of play in just the right places - it isn't circular either, so you do need TC's description unless you want a lot of head scratching.
|392 forum posts|
May well be the same ones currently available on the Brunel site . If you visit site you will find info on when it was described in EIM etc,
Edited By Bill Chugg on 08/11/2018 20:36:44
|norman valentine||09/11/2018 08:19:45|
|200 forum posts|
Thank you very much for the quick replies. I will have to do some research to see if I can find the drawings.
Please login to post a reply.
Want the latest issue of Model Engineer or Model Engineers' Workshop? Use our magazine locator links to find your nearest stockist!
You can contact us by phone, mail or email about the magazines including becoming a contributor, submitting reader's letters or making queries about articles. You can also get in touch about this website, advertising or other general issues.
Click THIS LINK for full contact details.
For subscription issues please see THIS LINK.