MPA Logo, San Francisco Maritime National Park Association, USS Pampanito, Historic Ships at Hyde Street Pier, Education Programs Maritime Park Association Home Page Maritime Park Association Home Page Events Maritime Park Association Home Page Maritime Park Association Home Page Maritime Park Association Home Page Volunteer Membership Donate Maritime Park Association Home Page USS Pampanito Submarine Historic Ships at Hyde Street Pier Education Programs About Maritime Park Association Home Page Directions to Maritime Jobs at Maritime Facility Rental at Maritime Trustees of the Association Calendar Press Room Store Maritime Map
P.I.L. GEAR - PLATE 19
PLATE 19. SECTION P.
LINING UP NOTES.
Coupling Slot Vertical with Pointer at Zero.
General Assembly Notes.
First Operation Set:-
Scroll on Range P.I.L. Link to Position A, Index mark in line with Arm.
Scroll on Bearing P.I.L. Link to Position X, Index mark in line with Arm.
Set Scale S. to 200 yards (actual top range of 2730 yards).
Set dial P. to 93 yards (actual top range of 1260 yards) if fitted for sub calibre, or 150 yards (actual top range of 2050 yards) if fitted for reduced charge.
Scale Q to 5000 yards.
Store D in engagement for clockwise rotation of Log Datum distance Handle.
Stops C in engagement for clockwise rotation of Log Datum Distance Handle, or anti-clockwise rotation of Log Datum Range Handle.
Fix Worms, Dials, and Stop Wheels and increase Log Datum Range Scale Q to 16000 yards.
Set:-
Stops R in engagement for clockwise rotation of Log Datum Range Handle.
Index Line on Datum Range Conversion Cam in line with Roller Centre.
Pointer T on Datum Range follower dial at 16000 yards.
Fix Stops R and Pointer T.
Second Operation Set:-
200 yards on dials S and Dial P should show 93 yards if fitted for Sub Calibre, or 150 yards if fitted for Reduced Charge.
Scroll on Range P.I.L. Link should be in position B, Index Mark in line with arm.
Scroll on Bearing P.I.L. Link should be in position Y, Index Mark in line with arm.
Stops D should be in engagement for anti-clockwise rotation of Log Datum Distance Handle.
Reduce Datum Range Setting, Stops R should engage for anti-clockwise rotation at 1000 yards.
Scale S always shows 2.15 times the reading on Scale P if fitted for Sub Calibre, or 1 1/3 times if fitted for Reduced Charge.
Scale Q always shows the same reading as pointer T.
A complete cycle of Training gives a + or - P.I.L. equal to the Datum Distance Set, with Datum Angle 0° or 180° and Bearing P.I.L. 0°. At Distance equal to half the Range, Zero P.I.L. is given with a Datum Angle of 75.5° either side.
Bearing P.I.L. under these conditions is 29°.

 

Copyright © 2013, Maritime Park Association.
All Rights Reserved.
Legal Notices and Privacy Policy
Version 3.00