Tag Archives: Positive Displacement

[youtube=http://www.youtube.com/watch?v=DA0Vwausybg] Modern manufacturing technologies enable strange shapes and could produce unconventional pumps. What is good for small scale rockets if turbines and centrifugal pumps have too much tip losses? [youtube=http://www.youtube.com/watch?v=SdBr-dkLf4s] Rotary engines have vastly better power to weight ratios and … Continue reading →