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What is happening ? I saw a new member with the nickname: titan machinery, he introduced himself simply, He is from China and deals in machinery, donated more than 25 USD to the forum, and then his account was no longer visible. Or am I wrong??

If it were my engine, I'd be pretty confident it would run fine

"the engine is very difficult to turn past TDC by hand" 👍👍 Only when you build will you know how it is

Hi Personally, I find the compression quite ok .

Interesting informations Thank you. 👍

👍👍👍👍 ! I have made quite a few injectors ( 10 or more ) and several different styles: As you said, I cannot determine the exact angle after finishing The angle is too small and it will get stuck.

Ok, everything is relatively clear. We confirm that the temperature is theoretical - and in perfect conditions - Everything should be perfect ! In reality, it depends a lot on other factors that we have mentioned, and it is impossible to achieve the calculated temperature. Why do I want a...

Hi All ! A little free time...

That's right . But with a compression ratio of 12-1 and a temperature of 330 degrees Celsius, it is too high compared to the auto-ignition temperature of gasoline - 280 degrees Celsius. And with that 330 degrees Celsius, 2-stroke and 4-stroke engines will not need an ignition system and we may...

Hi @Lloyd-ss ! Thank you, at least you gave me the formula to calculate Thank you very much ! But to me this information is completely wrong : "6:1 12:1 166 psi 625-F (for the non-imperialists, ~12-bar, ~330-C)" 330 !??? what ?? It is completely wrong with the principle of 2-stroke and...

Ok, understand You, Please explain, prove...or in any way you can : 6:1 12:1 166 psi 625-F (for the non-imperialists, ~12-bar, ~330-C) Please Most important: 330 degrees Celsius !!

Let him answer me. Please tell me where you got that information? source ? link ??? It is not necessary to answer all of that information Just need this information : 6:1 12:1 166 psi 625-F (for the non-imperialists, ~12-bar, ~330-C)

Please tell me where you got this information? source ? link ??? Google will tell you the flash point and self-ignition point of each fuel you use, how are they different? their purpose??, gasoline, kerosene, diesel.....

Where did you get that information? I want to learn more....

If you want to build a diesel engine Some information for you...it will help you be more confident https://www.homemodelenginemachinist.com/threads/mini-diesel-engine-new-discussion.35396/ Building a diesel engine: Possible ! What's really important is: Experience, meticulous attention to...

You can google about flash point and self-ignition point of kerosene and diesel . And they are completely different. I don't remember where I posted it As I said once before. , It's everyone's right to share or not, and I respect that, But don't confuse people, Don't give out information...

Runs Great, Sounds Great.😍. You make the engine very easy 👍👍👍👍 You make an engine no plan, 4 cylinders, 4 atmospheric valves : 👍 👍 👍 Congratulations, Thanks for sharing !

Like I said: Rely on his design but don't take his information . I don't believe any of the information. Remember one thing : The self-ignition temperature of kerosene and diesel is 210, 220 degrees Celsius !!!!!

I use kerosene and diesel and the engine still runs fine As long as the compression ratio is at least 18-1 it's fine With a lower compression ratio, flammable fuel or fuel mixture should be used Using a glow-plug is not a problem if you need a running engine. - The most important thing is...

He kept it a secret...I respect that, It's no problem for me. But don't barrage people with stupid information !!