The Focus Fusion Society › Forums › Focus Fusion Cafe › FF for Jet Engines? › Reply To: General thought on old coal mines.
zapkitty wrote: I’m confused… why would you try to do mach 24 in the stratosphere?
…. because that’s what I said in that wishlist I jotted off.
My apologies. I shouldn’t have been juggling metric and imperial. I put 100kft when I was thinking 100km.
