Engine, Rocket, Liquid Fuel, Delta

Cylinder, with smooth striated skin, constituting the combustion chamber, and tapering down to throat with nozzle at bottom; nozzle featuring "spaghetti chamber" configuration of vertically arranged, equidistant cooling tubes, with two horizontal strengthening hoops or bands around upper and lower protions of nozzles; cooling tubes, copper brazed together, and showing partly copper coloring. Rim of bottom of nozzle jut out, forming a 0.75 inch wide groove or trough all around bottom of engine, plus lower rim of engine which also juts out, Two curved fuel inlet pipes welded on each side of top rim of nozzle, just before the spaghetti cooling tubes, an each pipe jutting out horziontally, one of these pipes with two blue fixtures. Two downward curved oxidizer inlet pipes welded on top of cylinder, with green painted end nuts on each pipe (one with faded green paint); one curved pipe welded on one side of flat top of cylinder, with pipe curved in the same direction as the fuel inlet pipes below the engine, this pipe forking off into attached welded U-shaped pipe, both ends of the U also facing the same direction as the propellant inlets; red plastic inserts in both openings of U-shaped pipe; red plastic protective caps on three much smaller pipes on top of cylinder. One pump outlet on top of cylinder, at angle to the vertical, with the scratched number F4049; downward facing funnel thrust structure on top of plumbing and in center line of engine, with equidistant 6/8 vertical holes around rim; overall, silver gray, and in excellent condition.