| 41. | Instead they use trunk pistons, where the piston and crosshead are combined and so do not need a rod between them.
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| 42. | There are three main types of dies used in this process : annular ( or crosshead ), spider, and spiral.
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| 43. | The piston crossheads slid in guides, rather than being controlled by a parallel motion linkage like the majority of early locomotives.
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| 44. | Since the piston rod and crosshead was forged in one piece, the connecting rod small-end had to be forked.
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| 45. | Refrigeration was a two-stage process with a large Linde unit on the ground, and a crosshead compressor within the antenna.
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| 46. | Phillips'major contribution was in driving the crosshead concept forward to the point where it was adopted by screwmakers and automobile companies.
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| 47. | The reciprocating piston / crosshead / main rod / valve motion link is unbalanced and causes a fore-and-aft surging.
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| 48. | Air pump driven from each crosshead . | File : Durban Mill, Hollinwood-geograph . org . uk-216102 . jpg
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| 49. | Some crosshead engines had more than one cylinder, in which case the piston rods were usually all connected to the same crosshead.
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| 50. | Some crosshead engines had more than one cylinder, in which case the piston rods were usually all connected to the same crosshead.
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