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I remember a yankee trader story on the definition of a bargain... both parties walk away happy... good luck with the new mill. Chips

The oil forgives you, continue.

Nice attachment ( and engine).

Brian, Eye candy was the main idea, but I do know a well running hit and miss breathes it own cool air. That said with less than optimal design and governor still to be dialed I have gotten her quite hot after 30-40 minutes of running. I hope to get it run more slowly after some more break...

The fan blades look better when spinning but moves air effectively. https://www.youtube.com/watch?v=xt8xdo-UsJg

I like the slinky action and will give it thought. It does make me think of this set up. https://www.youtube.com/watch?v=URcGjTjOBRk

Cogsy/ShopShoe, Thanks for looking and your compliments. Cogsy, Came equipped with a pto and I do like to see them work so I will take a look and see what Brian has posted for "devices". I already did have a plan for the pto. Second photo is today's work towards active cooling.

https://www.youtube.com/watch?v=FrVq0Qqw62U Achieved hit ands miss, rings appear to be seating as engine can now handle a light load.

Brian, It is from scratch with great deal of copying what has been done by others. It is a 2 inch bore with cast iron rings and steel sleeve. Valves are out of a lawn mower, resized to fit in bore. 4 inch round for the block, 1/2 flat for the frame. I cut the curves with a jig saw my hands...

More progress on the governor....

Brian, Thanks for you kind words. I cannot compare the quality of my engine to fine works on display here but can enjoy a sense of accomplishment upon hearing it run.

In video it is running all hit and no miss, so added a catch rod. I need to make the catcher next.

Thanks for the heads up.

http://youtu.be/HJnnNQaHyFU

PutPut, Do these pics help? Flywheel spins faster, pulls weight out against spring, brass ring connected to weight now eccentric, pushes down on bar which holds open valve as you noted.

PutPut, I will get a video of the mechanism for you. I not sure you will find it unusual, just a variation on the hit and miss theme. Rake, I will include a "tour" of the construction via video, but in case you are interested in a little backstory. I can tell you off the top of my head this...

About 5 years give or take. I has been a bit over 3 years since this one has run. I admit to a bit more than dusting I did clean the flywheels a bit. Otherwise it awoke from a slumber very easily!

I had not run this one in a while, was pleased to see it going again!

Load test with "open header"

Load test with "restricted" exhaust.