The crawler uses a laser guidance system and a leveling system to keep the Mobile Launcher Platform level within 10 minutes of arc (0.16 degrees about 30 cm (1 ft) at the top of the Saturn V), while moving up the 5 percent grade to the launch site.Īs part of NASA Social, Adafruit Engineer Anne Barela toured Kennedy Space Center, was in briefings with senior staff, and received tours of the facilities. The height from ground level to the platform is adjustable from 6.1 to 7.9 m (20 to 26 ft), and each side can be raised and lowered independently of the other. The vehicle gets 34 feet to the gallon of diesel fuel. The vehicle measures 40 by 35 meters (131 by 114 ft). Each track has 57 shoes, and each shoe weighs 900 kg (1,984 lb). The crawler-transporter has a mass of 2,721 tons (6 million pounds 2,999 short tons) and has eight tracks, two on each corner. The shoes are quite big and run on special non-sparking river rock from Alabama and Tennessee. The rollout for the WDR, marked the first time one of the crawler transporters rolled a launch vehicle to the launch pad since Space Shuttle STS-135. NASA performed a rollout of the Artemis 1 Space Launch System and Orion on Mafor the first Wet Dress Rehearsal, and the rollout for launch, which is scheduled for a launch attempt on Augat 08:33 EDT. The increase to its lifting capacity was from 5,400 to 8,200 tons (12 to 18 million pounds). Photo by Anne BarelaĮarly in 2016, NASA finished upgrading crawler-transporter 2 (CT-2) to a “Super Crawler” for use in the Artemis program. While other vehicles are now significantly larger, they are powered by external sources.Ĭrawler-Transporter 2 parked between the Vehicle Assembly Building and Pad 39B at the Kennedy Space Center, August 28, 2022. Upon its construction, the crawler-transporter became the largest self-powered land vehicle in the world. Two crawler-transporters were designed and built in 1965 by Marion Power Shovel Company at a cost of US$14 million (US$128.5 million in 2022) each. But what if your rocket is a Saturn V, Space Shuttle, or the new NASA Space Launch System (SLS)?
How do you get a fully stacked rocket from the assembly building to the launch pad? Companies have various methods which work for various loads.
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