TWIN CYLINDER TITAN

[Brian Rupnow]

My good wife bought me an "engine book" for Christmas this year "The Engines of Doug Kelley" from Village Press Publications. This book has four excellent engine designs in it, including a twin cylinder horizontal engine, the "Titan". I have spent the last 3 or 4 days modeling the "Titan" in 3D Solidworks software. I increased the bore from 0.9" to 1" but kept the stroke the same. I went from two individual cylinder heads to a single cylinder head which covers both cylinders. I am terribly sick of winter and wanted to design something, and this engine gave me the chance. It is water cooled and requires building a small circulating pump, which I haven't modelled yet. I have other projects on the go here, but took a break from them to design this one. I have numerous other single cylinder horizontal engines, but this will be my first twin, if I build it.----Brian

 

[ShopShoe]

Brian,

I like this one a lot. I can almost hear it running in my head. Lots of motions to watch and wonder.....

Excuse my kibitzing, but I do feel that it needs a belt pulley on the shaft as it might power some of your mechanical toys in a display.

--ShopShoe

 

[Brian Rupnow]

Shopshoe---Thanks for commenting. You will notice that the crankshaft extends a small bit beyond the flywheel on one side. My plan was to make up a pulley, bore it for the crankshaft diameter, and bolt it to the spokes on one side of the flywheel.---Brian

 

[cheepo45]

That's a good looking motor.
Looks like a great project.
Scott

 

[Brian Rupnow]

I just used one of my software features to check and see how many individual components there were. Without counting springs or bolts, there are 141 individual pieces. That should keep me off the streets until we get some warm weather here.