the Merlin is what’s known as an “open cycle” rocket engine. In this classical design, which dates back to the German V-2 of WWII, the exhaust from what’s essentially a smaller and less ...

If you want to see something awesome this afternoon, watch SpaceX’s live broadcast of an engine test today at 3:00 pm EDT/12:00 pm PDT/7:00 pm GMT. You’ll see nine Merlin rocket engines ...

Something was wrong with two of the vehicle's nine Merlin rocket engines. The company's next NASA-astronaut mission — its second crewed flight to the space station — would have to wait until ...

That's about 200,000 pounds more thrust than earlier SpaceX rockets - or a little more power than what one of SpaceX's Merlin rocket engines produce. The Falcon 9 booster runs on nine of these ...