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Viewing 3511 to 3525 of 3525
CURRENT
1951-10-01
Standard
AIR13A
INTRODUCT ION Conventional internal conbustion a i r c r a f t engines require the same basic conditions for starting in cold weather as they do in warn weather. These are: (1) The engine must be cranked a t a reasonable speed. ( 2 ) A combustible mixture must be delivered t o the cylinders. (3) An ignition spark must be supplied which is capable of igniting t'ne charge a t the proper t i m e . (4) The fits and olearanoes of mating parts in the engine m u s t be such that normal Sunctions occur a t a l l temperatures. (5) The engine must receive a usable lubricant. (6) The engine must develop s u f f i c i e n t power t o overcome its own f r i c t i o n and accelerate itself t o the desired operating speed.
HISTORICAL
1949-02-01
Standard
AS143B
These standards are written to cover internal combustion heat exchanger type heaters used in the following applications:
CURRENT
1949-02-01
Standard
AIR4A
CURRENT
1946-01-01
Standard
AS356
CURRENT
1946-01-01
Standard
AS361
HISTORICAL
1944-05-01
Standard
AIR4
HISTORICAL
1943-03-01
Standard
AS130
HISTORICAL
1942-03-01
Standard
ARP60
CURRENT
1942-03-01
Standard
ARP60A
CURRENT
1941-11-01
Standard
AS14
This Aerospace Standard establishes the diameter - pitch combinations of ISO metric 60 screw threads recommended for use in the aerospace industry for metric module shaft of bearing retaining screw threads.
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