. Automotive industries . lbs. per horsepower. Thiswould seem to indicate that British designers are going infor heavier, more substantial engines, because a specificweight of 2 lbs. per horsepower was very closely ap-proached in the Liberty engine, which is 40() hp. 510 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE March 3, 1021 New Automatic Chucking Lathe De-veloped at New England Plant The Hartness automatic chucking lathe is a new tool specially suited forturning up ring gears and similar parts. The tool carriages are mountedon cylindrical bars which slide in bushings at both ends of the frame. By
. Automotive industries . lbs. per horsepower. Thiswould seem to indicate that British designers are going infor heavier, more substantial engines, because a specificweight of 2 lbs. per horsepower was very closely ap-proached in the Liberty engine, which is 40() hp. 510 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE March 3, 1021 New Automatic Chucking Lathe De-veloped at New England Plant The Hartness automatic chucking lathe is a new tool specially suited forturning up ring gears and similar parts. The tool carriages are mountedon cylindrical bars which slide in bushings at both ends of the frame. By P. M. Heldt ANEW tool specially suited for turning up suchparts as automobile ring gears has been developedby the Jones & Lamson Machine Co. The objectsin view in the design of this machine were to produce a chucking lathe that would eliminate errors from index-ing and that would be of great rigidity, so as to permitvery accurate work to be turned out and at the sametime using high cutting speeds. As an indication of.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
