Hot water or steam rocket development and production cost is estimated to be about 95% less than cost of developing chemical propellant rockets; hot water rockets can be reused great many times, making them even more economical; operating temperatures are low and no insulation is needed for engine walls; albeit their modest specific impulse, which is in order of 40 to 50 sec, hot water rockets have many practical uses, particularly as booster rockets for large payloads; dimensionless method is described by which hot water rockets of any size can be designed in few hours.
Italian approach to reusable low-cost rockets
SAE -- Space Technology Conf
Proceedings of the Space Technology Conference ; 1967 Reusable
1967
13 pages
Aufsatz (Konferenz)
Englisch
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An Italian Approach to Reusable Low-Cost Rockets
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