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Two flight readiness firings (FRF) were performed on Big Joe 1. The first, on 1 September 1959, ended immediately after T-0 because the ignition stage delay timer commanded shutdown of the rocket engines when neither sustainer nor main engine ignition followed normal vernier ignition. There was no booster or stand damage.
In the context of a rocket launch, the "L minus Time" is the physical time before launch, e.g. "L minus 3 minutes and 40 seconds". "T minus Time" is a system to mark points at which actions necessary for the launch are planned - this time stops and starts as various hold points are entered, and so doesn't show the actual time to launch.
The NTD was the leader of the shuttle test team responsible for directing and integrating all flight crew, orbiter, external tank/solid rocket booster and ground support testing in the shuttle launch countdown.
Rocket S/N Launch Site Payload Function Orbit Outcome Remarks 1960-01-07 01:40 Atlas D 43D CCAFS LC-13: ICBM test Suborbital Success 1960-01-26 23:43 Atlas D 6D VAFB 576A3: ICBM test Suborbital Success 1960-01-27 01:31 Atlas D 44D CCAFS LC-13: ICBM test Suborbital Success 1960-02-12 04:11 Atlas D 49D CCAFS LC-13: ICBM test Suborbital Success ...
The Bell Rocket Belt is a low-power rocket propulsion device that allows an individual to safely travel or leap over small ... The pilot's timer is on the same handle ...
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The Space Shuttle Solid Rocket Booster (SRB) was the first solid-propellant rocket to be used for primary propulsion on a vehicle used for human spaceflight. [1] A pair of them provided 85% of the Space Shuttle's thrust at liftoff and for the first two minutes of ascent.
In a high-power rocket, an altimeter or electronic timer may deploy a drogue parachute (which stabilizes the rocket in descent) or a controlled freefall (where the fore and aft sections are merely separated by a tether or umbilical cord, often made of tubular nylon).
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