The flight-test version of SpaceX's Starship vehicle could be ready to take its first short "hopping" excursion in a matter of weeks, company founder and CEO Elon Musk said over the weekend.
"Aiming for 4 weeks, which probably means 8 weeks, due to unforeseen issues," Musk tweeted on Saturday morning (Jan. 5), in response to a Twitter follower who asked when the first hopper test would take place.
Artist's illustration of the "hopper" test-flight version of SpaceX's Starship vehicle, shared via Twitter by company founder and CEO Elon Musk on Jan. 5, 2019.
Credit: Elon Musk/SpaceX via Twitter
Musk also tweeted an illustration of the test vehicle, showing a three-finned ship that looks a lot like the rocket the comic-book character Tintin used in the 1954 adventure "Explorers on the Moon."
"Starship test vehicle under assembly will look similar to this illustration when finished. Operational Starships would obv have windows, etc.," Musk tweeted.
SpaceX is developing Starship and a giant rocket called the Super Heavy to take people to and from the moon, Mars and other destinations throughout the solar system. (The reusable duo was previously known as the BFR, but Musk changed the name recently.)
The first crewed Red Planet mission for the rocket and 100-passenger Starship could come as early as the mid-2020s if development and testing go well, Musk has said.
This work is taking place at both SpaceX headquarters in Hawthorne, California, and the company's test site in South Texas, near the border city of Brownsville. Indeed, the hopper flights will take off from this latter facility.
When they're up and running, both Starship and the Super Heavy will rely on SpaceX's powerful Raptor engine, which is currently in development. The engines on the Starship test vehicle will be "a blend of Raptor development & operational parts," Musk said in another tweet Saturday. The first of these hopper engines will probably be test-fired next month, he added. (The engines that power SpaceX's workhorse Falcon 9 rocket are Merlins.)
@elonmusk
Good shot of @SpaceX Starship flight test vehicle being assembled in Boca Chica, Texas
Hoppers are a standard part of SpaceX rocket development. For example, the company flew Grasshopper test vehicles in 2012 and 2013, to gain the expertise needed to land and re-fly Falcon 9 first stages. The highest Grasshopper flight reached a maximum altitude of about 2,500 feet (750 meters).
Mike Wall/Space.com
Mike Wall's book about the search for alien life, "Out There" (Grand Central Publishing, 2018; illustrated by Karl Tate), is out now. Follow him on Twitter @michaeldwall. Follow us @Spacedotcomor Facebook. Originally published on Space.com.
Hoppers are a standard part of SpaceX rocket development. For example, the company flew Grasshopper test vehicles in 2012 and 2013, to gain the expertise needed to land and re-fly Falcon 9 first stages. The highest Grasshopper flight reached a maximum altitude of about 2,500 feet (750 meters).
Mike Wall/Space.com
Mike Wall's book about the search for alien life, "Out There" (Grand Central Publishing, 2018; illustrated by Karl Tate), is out now. Follow him on Twitter @michaeldwall. Follow us @Spacedotcomor Facebook. Originally published on Space.com.
@elonmusk
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