Friday, July 22, 2011

NASATweetup Crawler-Transporter

IMG_5619
The two tracked Crawler-Transporters previously used to move the assembled Apollo/Saturn from the VAB to the launch pad are now used for transporting Shuttle vehicles.
NASA 021

Transporter Statistics

NASA 022
  • Weight: 2,721 metric tons (6 million pounds)
  • Length: 40 meters (131 ft) wide, 35 meters (114ft) long
  • Miles: 2,526 miles (1,243 miles since 1977)
KSC has 2 crawler-transporters. Each vehicle consists of four double-tracked crawlers, each 3 meters (10 ft) high and 12 meters (41 ft) long. Each of the 8 tracks on a vehicle contains 57 shoes per track and each tread shoe weighs about .9 metric tons (one ton).
When they were built, the KSC crawlers were the largest tracked vehicles ever made. (Surpassed by the Bagger 288 German excavator). They move the Mobile Launcher Platform into the Vehicle Assembly Building and then to the Launch Pad with an assembled space vehicle. Maximum speed is 1.6km (one mile) per hour loaded, about 3.2 km (2 miles) per hour unloaded. Launch Pad to VAB trip time with the Mobile Launch Platform is about 5 hours. The crawler burns 568 liters (150 gallons) of diesel oil per mile.


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