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Hello, I'm a engineering student and i want to do a little research about air powered vehicles. I have searched already over the internet and found a lot. What kind of compressed air engine would you recommend? It is maybe the intension to build something if i have a good result at my...

Hallo, Is there someone who build a bigger stirling engine with a little power? I'm interested in the oppertuneties of a stirling engine. Maybe has someone build a more cilinder stirling? I have searched already on youtube and stuff. The most engines are a little unprofessional. Greets.

Hallo, I have a lathe and a lot of hand tools, But i don't have a milling machine. I'ts difficult to find plans for engines to make with this tools. Wo can help me with (free) engine plans that i can make without a milling machine. My lathe has almost all tools like 4 claw, clamping plate...

Hello, I'm from Holland and we work here with mm (milimeter) I have got plans in inches and I try to calculate them in mm. In the instructions stands: drill the hole, ( 1/8 inch. ) Now I calculated: 1/8 = 12.5% ( 100: 8 x 1 ) so 12.5 % = 0.125. 0.125 x 1 inch (25.4 mm) = 3.175 mm is that...

hello! I was asking myself of there is anybody who making machines for hobby? Because the most people have metalworking machines on this forum, Is there a hobby in making machines? or scale machines? I saw on google example homemade engraving machines and homemade motorized hacksaw machines...

hello, How can I make an internal 6 side in alluminium? I have make an sketch (in mm.) from the idea in autocad: (click for enlarge the picture and when the link is opened, click again on the picture) the point is, I have to make it without a milling machine! I can make it with a lathe, but...

Hello, My name is Lorenz. I'm from the Netherlands. I am 18 years old. My english is not very good, but i'm doing my best! I can read it better than I write! I'm very interested in metalworking. I doing the studie engineering & mechatronics. I found this forum by searching to plans for a steam...