MTCR Handbook
2021-11-10u2002·u2002The nozzle is usually larger than the rest of the engine. Nozzles cooled by propellants may have sheet metal walls held apart by a corrugated sheet metal, or be composed of a bundle of con-toured metal tubes as shown in Figure 2-18. Uncooled nozzles are made of a refractory metal or an ablative composite material.
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