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20200515_143638.jpg Popular

kunzea

Misc Packard Photos

02/27/2022 13:02

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Image258 Popular

BigKev

Misc Packard Photos

01/20/2010 22:13

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From the Dan Yocum Collection

CROSS-SECTIONAL VIEW OF CYLINDERS, PISTONS, VALVES, VALVE SPRINGS, ETC. - 578fr-D Popular

BigKev

Misc Packard Photos

07/23/2018 10:02

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CROSS-SECTIONAL VIEW OF CYLINDERS, PISTONS, VALVES, VALVE SPRINGS, ETC. - 578fr-D
Simplicity is the keynote in the design of Packard engines for Packard motor cars.
In engineering, as in art, the simple is always the most difficult to accomplish.
In this cross-sectional view you have proof of Packard excellence in design and
manufacture. With a crankshaft that is statically and dynamically balanced and
a real rigidity of construction, there is in this simplicity of design real
insurance for the long life of Packard motors.
Supported by nine bearings whose combined area is approximately 100 square inches,
with a maximum distance between bearings of only 3-1/16" the crankshaft delivers
power to the rear wheels with an even flow that makes the Packard car glide along
the road with effortless ease. An additional feature to smooth out and blend the
impulses is the Packard patented vibration damper which is designed for and built
into every Packard car.
Just as a railroad bridge that takes the strains- of high speed trains has complete
support at the end of each span and can be built TO ANY LENGTH REQUIRED TO
ACCOMPLISH ITS PURPOSE, so too, Packard engines are built with a bearing on each
side of every crank throw. Your prospect should be interested in this conclusive
proof of Packard protection to his pocketbook.
The insert in this photograph shows the new valve spring assembly designed entirely
within the Packard factory. It is made up of two separate springs, each
operating with a very low stress. Consequently, the failure of this unit in
service is of very rare occurrence. Tests covering hundreds of thousands of
miles, and hours and hours of maximum speed have proven the quality of this
spring. Nowhere in the industry is better engineering evidenced than in this
important valve mechanism unit.

Picture courtesy of Roscoe Stelford