M15c20

has a single fire bottle that has to be discharged by operating the associated fire handle.

gas pressure

two bottles one or both can fire into either engine

Resistance change

it will withstand the vibration,inertia,and other loads to which it may be subjected in operation

The pressure increases at higher ambient temperature

Thermocouple system.

activates a warning device in the event of a powerplant fire

Fuel ,heat and oxygen

1”and 8” spacing is Between support as a general standard, the clamps securing the wire to the nacelles or engine are used purely for support. not insulation

displacing oxygen

dry powder

any of the individual detectors reaches a predetermined temperature

the cartridge must be removed according manufacturer.

a chemical compound that combines with the oxygen to prevent it from combining with the fuel