Engine cooling – why rocket engines don’t melt
This thing I can not comprehend about rocket engines is how the turbopump manages to hold together.<p>A turbine blade in the SSME about the size of your thumb makes 600 horsepower.<p><a href="https://www.enginehistory.org/Rockets/SSME/SSME6.pdf" rel="nofollow">https://www.enginehistory.org/Rockets/SSME/SSME6.pdf</a>