Figure 94. Oscillogram obtained with test setup of figure 93.
used to measure the gas pressures generated by
Fixtures for Performance Evaluation.
General. Although an unlimited number of fixtures for
propellant actuated device evaluation are possible,
b. Vertical Tower.
there are three basic types: simulated flight, constant
(1) One of the most effective test fixtures for
load cylinders, and pressure chambers. A vertical tower
testing catapults and removers is the
is used to simulate flight conditions for evaluating
vertical tower. Catapults and removers
removers, catapults, and some thrusters. A horizontal
can stroke against a load and propel the
track is also used, particularly for rocker catapults.
load upward along a vertical track. The
Constant load cylinders are used to apply force loads to
thrusters over the entire stroke. Pressure chambers are