Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Graph and cross-sectional diagrams analyzing damper performance and piston components.

Identifier  ExFiles\Box 16\7\  Scan032
Date  16th November 1927 guessed
  
FIG. A

Graph:
Y-Axis Labels:
- BALL PIN LOAD AT 7.5 RADIUS
- PRESSURE ON PISTON LBS/SQ IN

X-Axis Labels:
- AXLE UP & DOWN MOVEMENT THROUGH 6" OSCILLATIONS/MIN.
- MAX. PISTON VELOCITY INS/SEC
- FRONT AXLE VELOCITY FT/SEC MAXIMUM

Line Labels & Annotations:
- PASSAGES AS BELOW
- STANDARD PASSAGES
- MEAN PISTON VEL. FAST TOURING
- MAX. WORKING PISTON VEL.
- VALVE SPRING PRESSURE REDUCED

Legend:
- 7.5" DAMPER LEVER
- HIGH PR.{Percy H. Rose} SIDE
- LOW PR.{Percy H. Rose} SIDE

Diagrams:
Left Diagram:
- 2 OFF PER PISTON
- DIA. OF ORIFICE A - .084
- 1.850

Right Diagram:
- ONE RESTRICTION IN CASE
- 2.5
- ORIFICE DIA .137
  
  


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