steerpike opened this issue on Nov 25, 2004 ยท 42 posts
XENOPHONZ posted Thu, 25 November 2004 at 11:20 AM
Ion engines have been around for several decades. The aircraft engine company that my father worked for back in the 60's (they supplied helicopter engines for the Vietnam war) was testing an ion engine during the late 60's/early 70's era.