Debunking American Moon (misdirection by conflation of audible vibration with visual and tactile vibration).   11. Given that, as confirmed by the debunkers, “the astronauts are literally sitting on the engine”, why don’t we hear any sounds from the engine during lift-off?   The only way for sound to be transmitted into the cabin, given the vacuum outside, would be by making the interior of the cabin vibrate. The ascent engine did not contain fuel pumps, as it was pressure-fe