Quote:
Originally Posted by Jg2001_Rasputin
Merlin V12 Startup, I see a lot of blue
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Please read with atention: The color of exhaust from the direct pipe and from the extended are different. The temperatue of the flame decreasing with the longer leght of pipe. More lower temperature - more red flame. The most hight is right from the hole without pipe.
As I told above a lot of factors is present in forming of color.