https://habitablezone.com/2012/06/25/video-spacex-fires-up-new-merlin-1d-rocket-engine/ Wed, 22 Apr 2026 23:14:20 -0700 hourly 1 http://wordpress.org/?v=3.3.1 https://habitablezone.com/2012/06/25/video-spacex-fires-up-new-merlin-1d-rocket-engine/#comment-16014 TB Tue, 26 Jun 2012 16:44:50 +0000 http://habitablezone.net/?p=17403#comment-16014 That's the exhaust from the gas generator that powers the turbopumps. From the exhaust color, I'm guessing they're running it fuel-rich. That’s the exhaust from the gas generator that powers the turbopumps. From the exhaust color, I’m guessing they’re running it fuel-rich.

]]> https://habitablezone.com/2012/06/25/video-spacex-fires-up-new-merlin-1d-rocket-engine/#comment-16010 RobVG Tue, 26 Jun 2012 05:51:56 +0000 http://habitablezone.net/?p=17403#comment-16010 Is that a turbo pump on the side spewing black smoke? Is that a turbo pump on the side spewing black smoke?

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