Frasi di Henry M. Leland

Henry M. Leland era inventore e ingegnere statunitense.

✵ 16. Febbraio 1843 – 26. Marzo 1932
Henry M. Leland photo
Henry M. Leland: 7   frasi 0   Mi piace

Henry M. Leland: Frasi in inglese

“At first we were of necessity slow in putting out those motors, but after we had gotten under way we delivered them so rapidly that Mr. Olds said we must have a motor incubator at our place.”

Origine: Master of Precision: Henry M. Leland, 1966, p. 62; About the first motors Leland build for Ransom E. Olds in 1901

“Mr. Sloan, Cadillacs are made to run, not just to sell.”

Henry M. Leland, cited in David Farber. Sloan Rules: Alfred P. Sloan and the Triumph of General Motors,p. 14
Leland, as car builder, explained Alfred P. Sloan, the supplier of Hyatt bearings, that his bearings not (yet) met the requirements.

“On the train I was going over the problem of Sixes versus Fours and the disturbing periodic vibrations with which the 'six-cylinder manufacturers were contending. I realized the emphasis our competitors were placing on the fact that six smaller cylinders, producing the same maximum power as four larger ones, would result in smaller individual impulses, and consequent smoother action.
I knew that we were having good results with well-balanced four-cylinder motors. I first reasoned that if six light cylinders gave the same maximum power and lighter impulses than the tour, then eight still smaller cylinders would give still lighter impulses than the six cylinders. I also reasoned that, because of the lighter weight, those eight cylinder pistons could be run at higher speeds than either sixes or fours. Furthermore I did not like the six crankshaft. If made small enough to be in proportion with those light pistons, the extra length might introduce those undesirable vibrations; if made heavy enough to avoid; if made heavy enough to avoid these periodic vibrations there was the wight problem contend with.
As I lay awake pondering these factors, the idea came to me that we were having good success with four-cylinder motors; we would surely have equally good results with blocks of lighter four cylinders and pistons. Why not make up those smaller blocks of lighter four cylinders and pistons, and put two of the blocks together at an angle and avoid that troublesome long crankshaft. The more I thought of this idea on that trip, the more convinced I became that it could be worked out.”

Origine: Master of Precision: Henry M. Leland, 1966, p. 147; Leland talking about his idea for a V8 engine around 1913-14. Partly cited in: Alexander Richard Crabb (1969), Birth of a giant: the men and incidents that gave America the motorcar. p. 315

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