[Steely Tom]

Turbine engines that operate with an exhaust pressure of 3000 psi make me nervous, especially when they are hooked up to pumps that are pumping close to a ton of high explosive every second.

[JudgemAll]

If the hardware is not hard working, you ain’t pushing, but I suppose that kind of engine is not reusable.

Probably the future in efficiency is in light and equal or slightly less strong materials but lower pressures and not heavy