- A
retrorocket (short for
retrograde rocket) is a
rocket engine providing thrust opposing the
motion of a vehicle,
thereby causing it to decelerate. They...
-
spacecraft from its "orbit attitude" of 14
degrees nose-down
pitch to the
retrofire attitude of 34
degrees nose-down pitch, then
returning to
orbit attitude...
- five-second intervals. The
spacecraft attitude was
steady during retrofire. Six
minutes after retrofire,
Glenn maneuvered the
spacecraft into a 14-degree nose up...
-
during the
final orbit,
flight director Chris Kraft told him to
begin his
retrofire countdown and to
shift from
manual control to the
automatic attitude control...
-
module separated from the
service module, 12
minutes and 3
seconds after retrofire. The two
modules were held
together by
explosive bolts designed to fire...
-
miles (160 km) and the
speed would be 25,695 feet per
second (7,832 m/s).
Retrofire was
planned to take
place at 4 hours, 32 minutes, and 26
seconds after...
- sun-s****ing
attitude control system was
switched on; this
oriented Vostok 1 for
retrofire. The automatic/solar
system was
backed up by a manual/visual system; either...
- pre-launch and ascent)
RETRO –
Retrofire Officer (responsible for
abort procedures and Trans-Earth Injection, or TEI,
retrofire burns) FIDO –
Flight Dynamics...
- into the
retrofire attitude, hold it, and then to
reenter the
atmosphere using either the
automatic or the
manual control system. At the
retrofire event...
-
intended to
achieve a soft
landing on the Moon. However, due to
premature retrofire and
cutoff of the retrorockets, the
spacecraft impacted the
lunar surface...
