MIL-J-7093 JATO Mark 6 Mod 1This specification covers the solid propellant rocket motor JATO Mark 6 Mod 1, 15KS-1000, referred to herein as rocket motor or unit.

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MIL-J-7093A (Weps)

4.7. 5

Static Firing. -Eight (8) rocket motors shall be static test fired

16 units

at -75°F and eight 8) units at 150°F Firings shall be in accordance with 4.8.3.

Requirements of Table 1 shall be met. Total 28 units

4. 8

4.8. 1

Production Acceptance Testing.

Inspection Requirements. - The production motors shall be inspected

in accordance with CD 2000087 and for drawing and specification requirements listed on LD 515662.

4.8. 2 Static Firing. - Rocket motors selected in accordance with 4.5.1 shall be static fired in accordance with 4.8.3. Requirements of Table 1 (3.3.1)

shall be met.

4.8. 3

4.8.3. 1

Static Firing Procedures.

Test Stand. - Rocket motors shall be mounted so that the thrust is

applied on the attachment lugs.

4.8.3. 2 Instrumentation. - Accuracy of instrumentation shall be as follows:

Pressure Thrust Weight

±2 percent

±3 percent

±0.2 lbs.

4.8.3. 3 Conditioning. - The test motor shall be conditioned with shipping cap or other closure installed instead of igniter. The igniters shall be conditioned simultaneously wiht the motors. Conditioning time shall be 24 hours minimum.

The conditioning temperature shall be within 5°F from the specified temperature. The motors shall be fired within 20 minutes after removal from conditioning.

4.8.3. 4 Firing Current. - The test motors shall be fired by applying 28 ± 3 volts DC at 25 - 30 amperes to the igniter circuit.

4.8.3. 5 Static Firing Records. - The following data shall be recorded in the static test firings:

(a) Firing date

(b) Propellant batch and lot number