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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).
Four indicator diagrams for a 'Lulax LC' component under different pressure and temperature conditions.

Identifier  ExFiles\Box 28\1\  Scan273
Date  13th July 1931
  
Panel E (Top Left):
Lulax L.C. Low Pressure
Load 100/100 LB & 4" Stroke
150 RPM / 7a
Vertical Axis: 300 lbs/sq.in'
Bottom Axis Markings: 120/S., 140/S.
Other Markings: E, T, I

Panel F (Bottom Left):
Lulax L.C. High Pressure
Load 100/100 LB & 4" Stroke
150 RPM / 7b
Vertical Axis: 300 lbs/sq.in'
Bottom Axis Marking: 120/S.
Other Markings: F, T, I

Panel G (Top Right):
Lulax L.C. Low Pressure
Load 100/100 LB & 4" Stroke
Temp 50°C
150 RPM / 7a R.P.H.
Vertical Axis: 300 lbs/sq.in'
Bottom Axis Marking: 120/S.
Other Markings: G, T, I
Date: 13-7-31

Panel H (Bottom Right):
Lulax L.C. High Pressure
Load 100/100 LB & 4" Stroke
Temp 50°C
150 RPM / 7a
Vertical Axis: 300 lbs/sq.in'
Bottom Axis Marking: 120/S.
Other Markings: H, T, I
Date: 13-7-31
  
  


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