MEM Corliss in .40 scale

[gbritnell]

Several years back some fellows on the MEM forum created a Corliss engine. Although much simplified as far as the valve gear it still uses the same type of valving and mechanisms.
Not wanting to follow the herd I opted to scale it down so I took the smallest bolt on the original and scaled it until a M1.0 x .25 could be used. The scale factor came out to .40 of the original. Most of the bolts were .125 or 5-40 so these scaled to M1.2 x .25.
It's primarily made from steel with some store bought stainless bolts, the rest being home made.
gbritnell

 

[toolznthings]

Great presentation, George ! Super nice engine, too.

Brian

 

[e.picler]

Congratulation George!
Another amazing project from you. It is really a tiny engine.

Edi

 

[kadora]

Miniature , precisely built , hats off to your craftsmanship.

 

[Cogsy]

Just magnificent! I can't begin to imagine how to make something that small, let alone anywhere near that level of precision and beauty...

 

[kuhncw]

Very nicely done, George.

I liked your video presentation.

Chuck

 

[ShopShoe]

It's beautiful and it runs well. I have been reading your posts, but I wasn't really thinking it would be done already.

Well Done.

Thank You for all your posts.

--ShopShoe

 

[karlw144]

Very nice job George. Great video too. Wouldn’t expect any less from you. Thanks for sharing.
Karl

 

[gbritnell]

I wanted to build a governor for the engine, not to control anything but just for visual appeal. I looked at pictures of the Coles Corliss to get an idea of the proportions and drew one up. I machined the miter gears. They came out to about 72 P.D. I had to take everything back off of the base so that I could drill the mounting holes for the governor. What a pain taking apart all those tiny nuts and bolts. I didn't want to buff the aluminum base but I used very fine crocus cloth the aluminum polish. It came out shiny but not mirror like, which is what I wanted.
gbritnell

 

[ShopShoe]

That looks great. I agree that the base looks good the way you did it. The governor adds quite a bit of interest.

--ShopShoe