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The sheet metal parts of the World War I Fokker Eindecker fighters aircraft series, especially around the engine cowl and associated sheet metal, are noted for having a "dragged" form of engine turning entirely covering them. The tool creating the "swirls" was repeatedly moved along a short, irregular path each time while pressed against the ...
This was done because in addition to the strengthening of the metal, hydromolding also produced less "grainy" parts, allowing for easier metal finishing. [3] In sheet hydroforming there are bladder forming (where there is a bladder that contains the liquid; no liquid contacts the sheet) and hydroforming where the fluid contacts the sheet (no ...
Aluminum offers lighter weight at the expense of strength, hardness and often cost. However, with care it can be substituted for many of the components and is widely used. Aluminum crank cases, cylinder blocks, heads and pistons are commonplace. The first airplane engine to fly, in the Wright Flyer of 1903, had an aluminum cylinder block. [1]
The early all-metal aircraft designs produced by Junkers used sheets of heavier electrical steel, similar to the types of ferrous sheet metals that are typically used in laminated-core AC electrical transformers. [citation needed] On 8 June 1915, Junkers began to acquire the tooling for the J 1. According to aviation author Hugh Cowin, while it ...
In shear spinning the area of the final piece is approximately equal to that of the flat sheet metal blank. The wall thickness is maintained by controlling the gap between the roller and the mandrel. In shear forming a reduction of the wall thickness occurs. Before the 1950s, spinning was performed on a simple turning lathe. When new ...
The aluminum sheet? For years, others surmised that it was stamped with letters indicating that it was from another aircraft. Earlier this year, Gillespie acknowledged that the metal panel ...
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