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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).
Blueprint of a piston, connecting rod, and gudgeon pin assembly for a Lorraine Dietrich engine.

Identifier  ExFiles\Box 22\4\  Scan081
Date  1st March 1927
  
TITLE: PISTON CONN. ROD. GUDGEON PIN. ETC. LORRAINE DIETRICH X

LABELS AND NOTES:
LENGTH OF PISTON 2.560
SPIGOT PEENED IN POS.
GUDGEON PIN RETAINERS NOT SHOWN
10 HOLES .080 DIA.
ALSO 10 HOLES ABOVE SCRAPER RING
GUDGEON PIN RETAINER ALUM.
TIGHT FIT IN PISTON
TAPPED 3/8 B.S.F TO FACILITATE REMOVAL
GROUND TO PISTON
GUDGEON PIN
DURALUMIN BUSH .870 DIA .713 BORE
OFFSET
2 HOLES .103 DIA.
4 HOLES EQUALLY SPACED
SECTION OF SCRAPER RING SCALE 10/1

WEIGHT TABLE:
WEIGHT OF PISTON AND RINGS (INCLUDING GUDGEON PIN) - LBS -, OZS 13 1/2
CONN. ROD AND BEARING - 1 - 12 1/4
CONN. ROD BIG END - 1 - 4

DIMENSIONS:
2.923 DIA., .106, .156, 1.263, 2.947 DIA., 1.187, .232, 1.200, .866 DIA., 2.418, .680 DIA., 1.414, 1.380, 1.050 DIA., 1.245 DIA., 9.062 CTS.{C. Trot Salt - Carburation}, 2.015 DIA., 1.175 RAD, 2.250 CTS.{C. Trot Salt - Carburation}, .600, 7.00 DIA., .630, .825, 45°, .109

STAMP:
ROLLS-ROYCE LTD.
PRINT ROOM
1 MAR 1927
DERBY.
  
  


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