Forums before death by AOL, social media and spammers... "We can't have nice things"
|    rec.arts.sf.science    |    Real and speculative aspects of SF scien    |    45,986 messages    |
[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]
|    Message 44,252 of 45,986    |
|    eripe to MrAnderson    |
|    Re: Reactionless Drives    |
|    15 Aug 16 12:30:46    |
      From: eripe.dk@gmail.com              On Sunday, August 14, 2016 at 5:16:40 AM UTC+7, MrAnderson wrote:       > So better just go with Antimatter, right?              Yep.              The rocket equation also goes here:              deltaV = Ve Ln(mass ratio)              Ve = 3e8 m/s for a photonic rocket              So if you use fusion and convert 1% of the rockets mass into energy your       deltaV will be 3E6 m/s.       Note if you use the fusion ash as propellant you get a lower exhaust speed,       but a higher delta V.              If you use antimatter and convert 80% to energy, your deltaV will be 4,83E8.       Note this is higher that the speed of light, so you need to do some       relativistic calculations with increase of mass etc to find the real speed.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]
(c) 1994, bbs@darkrealms.ca