Search for HOOCCH or HOOOCCH or some such. The exact number of Os and Cs escapes me. Sent from my iPad > On Mar 13, 2015, at 2:28 AM, Derek Lyons <fairwater@xxxxxxxxx> wrote: > >> On Thu, Mar 12, 2015 at 8:49 AM, Dave McMillan <skyefire@xxxxxxxxxxxx> wrote: >> >> Well, as long as we're talking about purely *theoretical* fuels.... :) >> > > I wish I could remember the one that George Herbert once proposed - a > radioactive monopropellant, IIRC it had a half life of fifteen minutes > and was hypergolic with it's daughter product. > > D. >