Saturn V “moon rocket” engine firing again after 40 years, sort of

Saturn V “moon rocket” engine firing again after 40 years, sort of
Ars Technica, 24 January 2013
http://arstechnica.com/science/2013/01/saturn-v-moon-rocket-engine-firing-again-after-40-years-sort-of/

...Earlier today, NASA test fired an F-1 engine's gas generator segment at the Marshall Space Flight Center in Alabama. This is the second F-1 gas generator firing this year; an earlier test took place on January 10...

...

The gas generator itself was no slouch, producing about 31,000 lbs of thrust when lit. In the full-up engine, this thrust was used to drive a turbine that produced about 55,000 bhp, which in turn drove the turbopumps that kept the thirsty engine fed with the three tons per second of RP-1 and LOx...