Re: SPACE: Roton in New Scientist

Mike Linksvayer (
Fri, 7 Aug 1998 00:20:55 -0400

On Thu, Aug 06, 1998 at 07:50:39PM -0700, Michelle Jones wrote:
> mark the reason i am having such difficulty with this concept is that the
> roton is a re-entry system. you still have to lift the thing into orbit
> somehow to reenter the atmosphere. the reentry system of modern
> government launchers is neither the cost driver nor the weight driver. spike

Supposedly the Roton will cut launch weight by spinning the engine, pumping the fuel into the engine chambers and avoiding heavy pumps. The designers considered using the rotors to help lift the rocket, but considered the additional risk too great.

Mike Linksvayer