NASA NTRS · 19900012478
Hybrid propulsion technology program. Volume 2: Technology definition package
Abstract
A concept design study was performed to configure two sizes of hybrid boosters; one which duplicates the advanced shuttle rocket motor vacuum thrust time curve and a smaller, quarter thrust level booster. Two sizes of hybrid boosters were configured for either pump-fed or pressure-fed oxygen feed systems. Performance analyses show improved payload capability relative to a solid propellant booster. Size optimization and fuel safety considerations resulted in a 4.57 m (180 inch) diameter large booster with an inert hydrocarbon fuel. The preferred diameter for the quarter thrust level booster is 2.53 m (96 inches). The demonstration plan would culminate with test firings of a 3.05 m (120 inch) diameter hybrid booster.
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Jensen, Gordon E., Holzman, Allen L., Leisch, Steven O., Keilbach, Joseph, Parsley, Randy, Humphrey, John. 1989-10-15. Hybrid propulsion technology program. Volume 2: Technology definition package. https://ntrs.nasa.gov/citations/19900012478
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