Challenger

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See also: challenger

English[edit]

Proper noun[edit]

Challenger

  1. A space shuttle, named after the HMS Challenger (1858), destroyed on January 28, 1986 with loss of its seven-member crew.

Translations[edit]

Noun[edit]

Challenger (plural Challengers)

  1. (rail transport) a steam locomotive of the 4-6-6-4 wheel arrangement.
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     4-6-6-4 on Wikipedia
    • 1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 102:
      American Locomotive Company, which introduced the 4-6-6-4 (on Union Pacific) in 1936, constructed more Challengers than any other builder and, in Northern Pacific's Z-8 class, built the heaviest. NP owned 48 4-6-6-4's in three classes.