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Standard

Airfoil Shapes - Dimensioning of Turbine Engine
1959-02-01
CURRENT
ARP265A
This Aeronautical Recommended Practice provides a standard method for locating and dimensioning the airfoil portions of parts such as blades, and vanes. This method will apply to blades, or vanes with or without a base. The forms of attachment are varied; therefore, the blade bases shown in the following figures are for illustration only. All dimensions and notes shown pertaining to the common functional point, line or plane are considered to be applied to a datum, on or off the part, irrespective of the form of attachment.
Standard

Groove Design - Metal Face Seal
2013-10-28
HISTORICAL
AIR1108
Groove designs presented herein are applicable for use with machined or formed metal seals which are similar in configuration to those shown in figure 3, which operate under internal pressure or in vacuum service and which have been specifically qualified or recommended by the purchaser or the manufacturer for use with this AIR. They are also applicable for use with metal o-rings (e.g., MS9142, MS202 thru MS9205) where interchangeability with machined or formed metal seals is desired. For metal o-ring groove designs where inter-changeability is not a requirement refer to ARP 674.
Standard

Groove Design - Metal Face Seal
2019-06-06
CURRENT
AIR1108A
Groove designs presented herein are applicable for use with machined or formed metal seals which are similar in configuration to those shown in figure 3, which operate under internal pressure or in vacuum service and which have been specifically qualified or recommended by the purchaser or the manufacturer for use with this AIR. They are also applicable for use with metal o-rings (e.g., MS9142, MS202 thru MS9205) where interchangeability with machined or formed metal seals is desired. For metal o-ring groove designs where inter-changeability is not a requirement refer to ARP 674.
Standard

OPERATING INSTRUCTIONS FOR AIRCRAFT ENGINES
1944-05-01
HISTORICAL
AS177
This specification covers the requirements for the preparation of Operating Instructions in published form or in manuscript form suitable for publication as designated herein.
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