21. The accessory gearbox, also mounted at the front end, is driven by the gas generator . 22. Extra income was obtained by selling coal, and buses were powered by wood gas generators . 23. This experience led to the aft-fan which didn't compromise the operation of the gas generator . 24. In 1996, Barron and community groups also fought the building of a natural gas generator . 25. Thrust is controlled by a valve which varies the throat area of the gas generator nozzle. 26. It had two Rolls-Royce Avon gas generators discharging into a power turbine which drove the generator. 27. Each of the Solid Rocket Boosters have two similar Hydrazine Gas Generators for their nozzle gimballing. 28. It produced steam engines, gas generators , and pumps. 29. Another unusual system is the inert gas generator . 30. When the conductor becomes hot enough, it ignites the combustible material, which initiates the gas generator .
