- How do I calculate escape velocity when I factor in drag? http://en.wikipedia.org/wiki/Project_HARP 7 comments askscience
Linking pages
- Project HARP Space Gun – Barbados - Atlas Obscura https://www.atlasobscura.com/places/project-harp-space-gun-barbados 1 comment
- The Army Now Wants Hypersonic Cannons, Loitering Missiles, And A Massive Supergun http://www.thedrive.com/the-war-zone/19847/the-army-now-wants-hypersonic-cannons-loitering-missiles-and-a-massive-supergun 0 comments
- Longshot targets $10/kg launch costs with Nazi uber-cannon on steroids https://newatlas.com/space/longshot-kinetic-launch/ 0 comments
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