User contributions for Denon

A user with 1 edit. Account created on 7 March 2010.
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7 March 2010

  • 22:0222:02, 7 March 2010 diff hist +500 N Parachute Created page with 'So a hemispherical parachute with an air hole at the center seems like the best solution. The air hole provides stability and a hemispherical paracute provides double the coeffi…' current