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Anthony Mount Rectilinear Engine

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Peter Wood 518/02/2010 21:35:15
94 forum posts
11 photos
I am half way through building the above model which is my second project and I have hit a problem.
How do I fix the crank to the crankshaft?
The crank is situated at the end of the crankshaft, with a bronze bearing immediately behind it, then the eccentric sheave (on a larger diameter) followed by the flywheel (on an even larger diameter).
No key is shown on the drawings. I cannot silver solder it in place because of the bearing.
Any suggestions would be very welcome.
JasonB19/02/2010 07:38:04
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25215 forum posts
3105 photos
1 articles
They are described in the text as press fits though I see no reason why you cannot use loctite if they have already been machined to a looser fit.
 
BTW there is a good build diary here
 
Jason
Peter Wood 519/02/2010 09:05:27
94 forum posts
11 photos
Thanks Jason
 
I have read and reread the construction articles countless times but still cannot find a reference to the fitting of the crank on the crankshaft. I suspected it might be push fit but was a little worried about whether it would withstand the torque forces. Anyway I will give it a go. It will test my turning and reaming skills!!
 
Danke schone fur die ?link?
 
BTW it is not James Booths Rectilinear Engine I am building ( far too complex for me) but the Cross Engine
 
Peter
JasonB19/02/2010 13:11:07
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25215 forum posts
3105 photos
1 articles
Can't help with the cross engine as I don't have the articles on that but I will post a link to a cross engine later today, Its another polished brass & black German job.
 
Jason
JasonB19/02/2010 15:20:56
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25215 forum posts
3105 photos
1 articles
This link will take you to some pictures of a cross engine, if you then click "bauabschnittan" at the bottom right it will take you to photos of the build.
 
It looks like he made the crank split down the centreline and then used two screws to clamp it onto the crankshaft and pins.
 
Jason
Peter Wood 519/02/2010 18:35:22
94 forum posts
11 photos
Excellent link with some useful constructional photos and videos of the finished engine running. The Google translation is interesting also!!!
The split component is the link between the sliders and the crankpin. He has also made split bearings which gives a bit more space behind the crank for assembly whereas I have made single piece bronze bearings held in BMS pedestals. Nevertheless it still looks like the crank is a press fit.
 
Thanks for your help.
 
Peter

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