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I have a friend that is planning on building this engine, but he wants to do it all from machined barstock instead of the base casting. I spent a couple of minutes redesigning the base for him to go from castings to barstock. Drawings are attached. ...Ved.

It was brought to my attention that I forgot to attach the base casting drawing. Here it is attached.

My brother used to be a jet engine mechanic and once he took me for a tour of the repair shop. The fasteners are tracked all the way through the supply chain and the life of every engine part is documented. I pulled out an unopened bag of what looked like 8mm SHCS. He told me that if he used...

Everything we do has in environmental impact. If you don't want to have any environmental impact, then cease to exist. This whole "Save the Earth" slogan is crap. The earth is going to be here with or without us. The earth doesn't care. It's a rock. The earth has been a boiling cauldron of...

The U.S. Clean Air Act was enacted into law in 1970. It's been 51 years under this law. The issue now is that the law has done what it was meant to do. All the low hanging fruit is gone. No more leaded paint. No more leaded gas. No more casual dumping. etc. But bureaucracies never die...

Dot the tutorials on YouTube. They're much better than the tutorials in the game. This game does have a steep learning curve

I'm glad I stopped posting on this thread... (****!! I did it again!!!) ...Ved.

I'm not thinking that far into the future. If the damned thing runs, I'll consider that a win. ...Ved.

You state the point. I have the natural rights to do what I believe is right. Yet, my rights end where others' rights begin. This is no different than Jesus's 2nd commandment: Do unto others that you would want done to you. The world is big. It's bigger than any individual. It's bigger...

Yup. I'm a mechanical designer of industrial equipment by trade. I spent nearly ten years designing custom leak test equipment, mostly for the automotive industry. For the past 6+ years I've been designing equipment for the processing of circuit boards. As usual with my engine designs, once I...

This is speaking as an American rube: WE DON"T WANT TO BE TOLD WHAT WE CAN AND CANNOT DO!! That's why this CA small engine phase out is so annoying. That's why mask requirements are so annoying. That's why mandatory vaccines are so annoying. That's why any mandate or law restricting what we...

That's funny to me because oil and gas is a huge portion of Norways economy (about half of all their exports). I guess they prefer to sell it than use it. ...Ved.

I think the issue here compared with the past is that the market came up with something better and the consumers purchased the better product. In this case of the California small engine phase out, the phase out is dictated by government and people, generally, don't want to be controlled...

I no longer have my first engine, but my cylinder was probably 0.002-0.005 under and the thing still ran. I'll grant is leaked huge amounts of air, but hell it was my first engine. ...Ved.

Several weeks later, I've spent some more time on the motor. To make it stranger, I've changed the layout to a four-square layout. It has two crankshafts, one flywheel shaft, four cylinders and four spring loaded valves. Renderings and computer animation follow:

These simple oscillators are very forgiving. That's why they're beginner engines. If it leaks a little, it'll still run. At this point in the hobby, strive for accuracy, but don't get discouraged by it. Steam (at least compressed air) is far more forgiving than internal combustion. Even...

This is true. Thorium technology is evolving and is very much still in development. In the '60s there was the Molten Salt Reactor Experiment (MSRE) in Tennessee which ran successfully for six years until funding was pulled and the project was cancelled. It was never filled with thorium to...

Two topics here: 1. The global warming/climate change discussion: I've always been amused with the call "Save the Planet!" The planet doesn't give a rat's *** about us. It's going to be around long long after we've evolved into many other species or died out completely. World conflicts are...

The dumbest part of this law is he banning of small power generators. Any common ***** should have seen that as an issue and carved out an exemption for generators. (Perhaps there actually is a carve out, but I'm unaware of it). I'm seeing a California with some seriously souped up power...

Will steam engines now make a come back?