![]() This photo was obviously taken at the exact same time as the one below, judging by the reflection in the upper left corner. The way this is done is a little different depending on which browser is used. You can super enlarge just about any photo on this blog for viewing small details. Part of a crankcase being inspected and the break-in room. ![]() Sub assembly of the crankcase showing the cam and tappet area. Installing the crankshaft in the center sub assembly of the engine crankcase. This unit is actually six different sections. The assembled crankcase is now painted in dark green. The three parts of the crankcase creating a single engine crankcase. Machining a Liberator crankcase at Melrose. ![]() It is estimated that 50% of all machining and assembly was shared between the Flint and Melrose plants.Īn assembly aid being shown on the center section of the engine crankcase. As stated earlier, the final machine work on the barrel was done at the Melrose facility. Both of these parts were made in Flint but sub assembled in Melrose. The barrel and head were attached by the screw and shrink method. This machine would shrink the steel barrel of a piston cylinder to the aluminum head. They still require the holes drilled that will allow them to be bolted to the crankcase. These are the almost finished barrels that the piston travels in. This is also a good look at the MASTER ROD. This partial assembly shows the relationship of the barrel, head and crankcase. The raw castings and the basic machining was done in Flint.The barrel serves the same purpose as a conventional engine block. The master rods are being readied for assembly.ĭirectly above are the regular rods. These were matched according to weight just as automobile engines. Inspecting the pistons that were cast in Flint. This is the Melrose factory, judging by the height of the light fixtures. ![]() There were 863 different parts for the R-1830 engine with the duplication of parts used in the completed engine being 6,266 total parts per engine. This is a south facing view.īuick executives and military brass looking over some of the numerous parts of the Pratt & Whitney R-1830 Liberator engine. Click here for another view. Link here: Life magazine 1942.ĭata plate from a Melrose Park Buick engine.Ī view of the almost completed factory in Melrose Illinois. Parts being laid out in their respective sub assembly's at Melrose. ![]()
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