Real Engineering always does such an amazing job on all their content, although I can't help but fixate on what the release mechanism looks like since it wasn't revealed in this video.<p>This comment was inspired by another commenter saying something about shooting the rocket off the side of a mountain.<p>I'm theory-crafting here without any specialized knowledge on the subject, asking strictly out of a mix of curiosity and fun. Is there an online community where I could pose this question and get a well-informed response about its viability?<p>What if you dug a very deep hole, created a near-vaccuum, and you shot the rocket out like a rail-cannon?<p>Here's a quick and simple sketch [0] of what I have in mind.<p>[0] <a href="https://imgur.com/bmHiMdq" rel="nofollow">https://imgur.com/bmHiMdq</a>