Gerry's Beam again.

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Deholby

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Just finished a larger scale of Gerry's Beam Engine. 1.5 bore by 3" stroke.
12" scale laying in front of engine. I used the prints , but scaled it up 3 times.
Made a lot of changes to prints , small improvement that helped I believe making it more solid and easier to line up.
Build time was less than 90 days. but I have alittle more toys to play with that helps that along.
Cad files were a lot more help than prints, lots of dims missing on prints. But over all design is there.

20191009_170927.jpg 20191009_171035.jpg 20191009_171047.jpg 20191009_171155.jpg 20191009_171314.jpg
 

Rich12-12

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Just finished a larger scale of Gerry's Beam Engine. 1.5 bore by 3" stroke.
12" scale laying in front of engine. I used the prints , but scaled it up 3 times.
Made a lot of changes to prints , small improvement that helped I believe making it more solid and easier to line up.
Build time was less than 90 days. but I have alittle more toys to play with that helps that along.
Cad files were a lot more help than prints, lots of dims missing on prints. But over all design is there.

View attachment 111636 View attachment 111637 View attachment 111638 View attachment 111639 View attachment 111640
Very nice! I guess the larger scale makes the small parts easier to make!

I have a cnc gantry type mill, so I'd like to have a crack at this.

Are there CAD files that are metric and correct anywhere? (I am guessing there are loads about, but it would be good to get the best set)
 

Deholby

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Larger does help, but still has its engineering challenges.
Gradcad,com is a good link to get files. I liked the solidwork files, you can download. easy to make English or metric , because there are dims missing on the prints.
I sure lots of members don't have a way to work with solidworks. Not sure how to help them with out a fair cad system.
Please check out both English and metric 2d prints, there are updated or revision differences.
If you need help or question , please write, I may be able to convert files for you.
 

Rich12-12

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Larger does help, but still has its engineering challenges.
Gradcad,com is a good link to get files. I liked the solidwork files, you can download. easy to make English or metric , because there are dims missing on the prints.
I sure lots of members don't have a way to work with solidworks. Not sure how to help them with out a fair cad system.
Please check out both English and metric 2d prints, there are updated or revision differences.
If you need help or question , please write, I may be able to convert files for you.
I'm planning on using Fusion360, I made a start learning it a while ago.

I found the dxf and dwg files from Ken.
 

kvom

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With a CNC mill you don't need to care about metric or imperial.
 

Ken I

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Deholby

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With a little run in time and tweaks, I got engine running at 3.5 Psi :)
 

Roskrow

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I am about to make the MODEL ENGINEER version. Plans and castings are available here. If I can help let me know. Best wishes to all
Malcolm
 
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