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Re: A Me109 drawing :
What it was for ? :
Parts number (system) explains where it was in airframe 8-109.980-0123
General System
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Construction Sub- Sub-Assembly
Assembly Assembly Indentifying
Group (Example) Number
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Fuselage Fuselage one part 10 - 19
Nose Part 100 - 199
Center Piece
Rear Part
Shell
Installations
etc.
Undercarriage Undercarrage 20 - 29
Tail-Skid or Wheel 200 - 299
Brake Assemby
Floats
Float frame
etc.
Control Horizontal Stabilator 30 - 39
Surfaces Elevator 300 - 399
Rudder
Ailerons
Landing flaps
etc.
Control Systems Controls in Airframe 40 - 49
Controls in Wings 400 - 499
Elevation trim system
Side trim system
Oil pressure system
for steering
etc.
Supporting Upper wings 50 - 59
Systems Lower wings 500 - 599
Struts bracing
etc.
Power Unit Aircraft engine 60 - 69
Engine mounting 600 - 699
Engine cowling
etc.
Power Unit Engine controls 70 - 79
Operaing and Tubings 700 - 799
servicing Water radiator
system Oil radiator
Fuel tanks
Lubrication tanks
etc.
Equipment Rigid-mount Weapons 80 - 89
- Permanent and Swivel-mount and 800 - 899
Supplimentary Portable weapons
Equipment Bombs
Photo equipment
etc.
[Other] Operating Equipment 90 - 99
Electrical inst.
in Air-frame 900 - 999
Electrical inst.
In wings
Radio Equipment
Oxygen system
Tools & Appliances Kits
Items of ground equipment
Required specifically
for Aicraft
etc.
[Ref: Status as of October 1942 - Numbers listings adapted from the AFHRA study paper: “German Air Force Aircraft procurement” by “Studiengroup Geschictete Des Luftkriges” Karlsruhe (Walter Hertel et al 1955). English text.]
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