Downloaded from https://www.everyspec.com MIL-STD-81OD 19 July 1983 e.. Fuel te,rnperature indicator 0-40° C (O-lOO° F) .,. .. F. . s. ‘Vaporizer,air temperature indicator 0-z600C (0-500° F) Vaporizer media”temperature indicator 0-2600C.(0-500° F) Fuel quantity gage (calibrated for n-hexane of 0.659 sPecific gravitY at 2130C r e l a t i v e t o w a t e r a t , 40c and reading in milliliters Of fuel) h. i. Fuel inert pressure indicator”o-700 kpa’(6.76 psia) .j. Heater thermostat O-2600C (0-500° F) ,., A-1:2.1.16 &: The facility shall be provided with switches, valves, etc. for control of all components and systems of the test chamber.
Centrols shall be mount”ed.so that their use.is ‘convenient. ,. ., . A-1.2..1.17 ..’. S.afetvDbovlsAQM A-1.2.i’.l7.l!Wcator 1~’. ‘Panel-mounted individual.lights shall be provided and installed on the test facility in a location readily visible to ., the operator, each light being indicative of the status or conditiOn of a system or piece of,equipment not in an observable poeition. All conditions involving operational safety shall be so indicated and any othera will be included if specified by the,procuring activity. . . Safetv’ interlock sxizLcL An automatic mechanical or electrical interlock device shall be provided prevent the premature actuation.of the ignition system.
The design of the system shall be such that all openinga to the main test chamber, including the ma~n door, the explosion relief valves, the circulation system inlet and outlet”ports, and the sampling chamber ports, must be securely closed before energy can be transmitted from the ignition A-1.2.1.17.2 system to the spark plugs. An audible signal shall“be provided to sound if : actuation of the ignition system is attempted before all the above listed chamber vents are closed. K-1.2.1.17.3 tierue~ure relief de-. A rupture disk.or other. suitable type of fast acting pressure reiief device shall be provided.
The’ device shall be desi~ed to rupture or otherwise relieve, when ,subjectedto a preagure in’excess of the chamber design pressure. The pressure relief device shall be located on top of the test chamber and protected prevent fragmentalion hazard. by a vented dome to A-1.3 ~ A-1.3.1 ml. The test chamber shal1 withstanding any explosion pre?sure up to and including 2 pounds per square inch). . be capable of megapascals (300 of maintaining any (0-60,000 feet) A-1.3.2 re altw. The chamber shall be capable desired pressure altitude from sea level to 18,250 meters within the limits specified in A-1.3.2.1. METHOD 511.2 APPENDIX A 511.2-,15’ 19 July 1983