Power Plant: Two F404-GE-402 afterburning engines, each in the 18,000 pound thrust class, which results in a combat thrust-to-weight ratio greater than 1-to-1.

发动机：两台F404-GE-402复燃发动机，单台推力达到18000磅，足以让战斗中的整机推重比超过1。根据不同的任务和载荷，战斗半径一律超过500海里。

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John and I punched a few buttons, and the 1, 900-pound-thrust Williams-Rolls turbofans spooled up.

FORBES: Jet Pilot for a Day

By 2007, Peter imagines 10 X-Racers launching side-by-side with the help of 1, 800-pound-thrust, kerosene hungry engines.

ENGADGET: Rocket Racing coming in 2007