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Standard

BOLTS, SCREWS AND STUDS, SCREW THREAD REQUIREMENTS

1977-04-01
HISTORICAL
AS3062B
This standard establishes the rolled thread element tolerances for lead, half-angle, taper, and out-of-roundness for studs used in aerospace construction; it also establishes the requirements for lead threads and runout threads for these studs.
Standard

GAGING PRACTICE AND GAGE REQUIREMENTS FOR MJ METRIC SCREW THREADS

1980-08-15
HISTORICAL
MA1566
The gaging practice established in this standard applies for final assessment of dimensional acceptability of the product complete thread (excluding the incomplete lead or runout thread). However, it is not the intent of this standard to preclude the use of other gaging systems or dimensional control systems provided they are properly correlated by the user and yield comparable results with respect to conformance with the requirements of ANSI B1.21M-1978, MJ metric screw threads.
Standard

Horsepower Correction Formulae

2018-08-09
CURRENT
ARP2C
This document discusses formulae considered applicable to aircraft engines having integral supercharging without aftercooling, and using gasoline introduced at the entrance to the supercharger or directly into the cylinders. Such engines are normally designated as single and two speed engines. Correction formulae for engines having two stage or exhaust turbo supercharging will not be discussed. Corrections for engines having a high degree of integral supercharging will be discussed in general terms only and no specific formulae will be presented. The correction formulae and methods listed are empirical and subject to error due to conditions beyond the scope of known corrections. Usage has indicated, however, that the correction formulae listed will provide a satisfactory approximation of power output under standard conditions.
Standard

Horsepower Correction Formulae

2012-11-02
HISTORICAL
ARP2B
This document discusses formulae considered applicable to aircraft engines having integral supercharging without aftercooling, and using gasoline introduced at the entrance to the supercharger or directly into the cylinders. Such engines are normally designated as single and two speed engines. Correction formulae for engines having two stage or exhaust turbo supercharging will not be discussed. Corrections for engines having a high degree of integral supercharging will be discussed in general terms only and no specific formulae will be presented. The correction formulae and methods listed are empirical and subject to error due to conditions beyond the scope of known corrections. Usage has indicated, however, that the correction formulae listed will provide a satisfactory approximation of power output under standard conditions.
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