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Hello friends Maybe it is funny but I give a name to all of my engines . This one is Junika - short of my name. I machined engine over 1 year /with short breaks/ from AL castings designed and sand casted by me. Bore/Stroke 20mmx20mm Diameter of engine is 250 mm Crankshaft in ball bearings...

Well done Mirek

Hello Tony excellent idling. Are you happy with thermosyphon cooling? I had this kind of cooling on one of my engines but I was absolutely disappointed with efficiency. What is for that big lever in front of engine ....CLUTCH? Could you please send more detailed picture of this mechanism...

hello rabe You mentioned on the beginning of this thread that you intend to fit this engine to the lorry like steampunk version of Oilfield-Truck "Foremost Delta 3c. I am quite interested in your project because i am thinking about building steam powered vehicle too. Do you have...

Hello On the base of my steam engine observation I have found two things to be solved. First boiler should be as close to engine as possible. Second to preheat engine to avoid cold start. //cold engine spits water// So I attached boiler and oilers straight to the inlet ports and hot fumes...

Canadianhorsepower honestly I did not intend to criticise you I wish you were successful in this project and I am really interested in your progress. Sometime in my company //when company want to change a vendor// I have to check hundreds of condensers from new vendor and on some new...

Electrolyt capacitors have capacity tolerance 30%.

As i can remember /20 years ago/ my problem was that copper electrode was often sticked to the sparked material probably because I used water as EDM medium. canadianhorsepower prepare for many many experiments with the electrode material , amount of discharge energy and discharge time tuning...

Thank you friends for your help. By the way I read on some forum that Wilesco steam toy producer soft solders boilers for small engines . However when i am investing lot of time to build engine is worth to hard solder all piping.

Hello I have built simple EDF machine for one of my previous project. It worked quite nice . I used carbon electrode and sparked material under distilled water. I did hexagonal holes to the very hard 2 mm thick steel. From that time machine waits on the shelf for a new project.

Thank you ShopShoe Boiler is rebuilt cooking 7 litere pressure pot fitted with manometer , two safety valves and steam outlet valve. I noticed that this is not good solution to power model steam engine because the pot is designed for max pressure 1.1 Bar only . But steam in 1.1 Bar...

My first run on real steam. Now I see how many new things I have to learn. https://youtu.be/puJPHEdMYRQ

Hello friends I need again your help. I am four stroke guy but this time i'm in process of machining my own design steam engine.//engine is half done// As you can see on video engine is running on pressure 1/2 bar. What I am worrying is high air consumption because my two cyl. airbrush...

Thank you Buchanan for your quick answer. I will solder pipes with soft silver/tin solder paste - 230 degrees Celsius melting point. Hopefully it will not deteriorate in steam environment.

Hello friends I am machining my first steam engine and I would like to know if I can soft solder engine tubes for steam distribution. I know that boiler must be hard soldered but copper tubes on engine ???? //I think tube joints on engine are cooler // Thank you for your advices.

Hello Longboy Could you describe how did you machine crankshaft ? Thanks

Cute engine your flywheel is masterpiece.

Hello El Gringo Your engines are little jewels . I like how smoothly are running. What kind of water pump do you have on silver bullet ? Do you have a picture of pump ? Thank you

Hello manfred albert The surface of generator is unbelievably smooth did you polish generator surface ?

Buchanan thank you for your answer. Each your post rise new questions how do you do this or that. Did you engrave your personal little punch by hand or it was done by electric spark erosion machine ?