MODE 2.— Mode 2 (fig. 6-35) is for a
airspeed is above 225 knots. The flow of gases
high-speed, low-altitude ejection. The primary
is delayed until the 1.3-second delay initiator fires.
initiation of the mode 2 sequence is identical to
This delay reduces the parachute’s opening shock.
that of mode 1. To reduce parachute opening
When the 1.3-second delay initiator fires, the
loads, the drogue decelerates and stabilizes the
ballistic gases are directed to the 7,000-foot
seat before the parachute opens. In mode 2, the
aneroid-actuated initiator. Since the altitude is
output of the 0.1-second initiator is blocked by
below 7,000 feet, the initiator fires. This actuates
the low-speed selector valve (LSSV) because
the WORD motor and drogue release assembly
Figure 6-35.—Mode 2: high speed/low altitude.
6-51
