TCDS P-853

Page No. 1 2 3 Rev. No. 12 12 12 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION P-853 Revision 12 Hamilton Standard 232 January 6, 1971 TYPE CERTIFICATE DATA SHEET NO. P-853 Propellers of models described herein conforming with this data sheet (which is part of type certificate no. 853) and other approved data on file with the Federal Aviation Administration meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Civil Air Regulations/Federal Aviation Regulations provided they are installed, operated, and maintained as prescribed by the approved manufacturer's manuals and other approved instructions. Type Certificate Holder Hamilton Standard Division United Aircraft Corporation Windsor Locks, Connecticut 06096 Type Constant speed, hydraulic (see NOTES 3 and 4) Engine shaft SAE No. 50, 51, 60 or X (X indicates special shaft sizes for foreign engines are eligible.) Hub material Steel Blade material Hollow steel with internal nylon rubber filler Number of blades 3 Hubs eligible 23250, 23251, 23260, 232X (see NOTE 1) Blade Eligible Maximum Continuous Takeoff Diameter Limits Hub and Blade Weight (See Note 2) HP RPM HP RPM (See Note 2) (Max Diameter) NOTES 2H17K3-44 to 1900 1170 2500 1260 13'4"-7/8" -12'10-7/8" 468 lbs. 6 2817K3-50 (-44 to -50) 2H17K4 is the left-hand version of 2H17K3. 5 2H17U3-44 to 1900 1170 2500 1260 13'4-7/8" - 12'10-7/8" 468 lbs. 6 2H17U3-50 (-44 to -50) 2H17U4 is the left-hand version of 2H17U3. 5 2H17AA3-44 to 1900 1170 2500 1260 13'4-7/8"-12'10-7/8" 468 lbs. 6 2H17AA3-50 (-44 to -50) 2H17AA4 is the left-hand version of 2H17AA3. 5 2H17AC3-44 to 1900 1170 2500 1260 13'4-7/8"-12'10-7/8" 476 lbs. 6 2H17AC3-50 (-44 to -50) 2H17AC4 is the left-hand version of 2H17AC3. 5 Certification basis Type Certificate No. 853 issued 10 February 1947 Production basis Production Certificate No. 14 P-853 Page 2 NOTE 1. Hub Model Designation See * below. SAE propeller shaft size Blade shank size Number of blades Major model type 2 3 2 60 300- *A dash number added to the propeller model designation indicates minor changes which do not affect eligibility. If number is above 300 it also indicates the complete blade assembly and all of the rotating deicing system components. NOTE 2. Blade Model Designation Inboard closure contour, does not affect eligibility. Nominal reduction from basic diameter in inches Direction of rotation, tip configuration, and minor aerodynamic characteristics Structural and operational features Basic diameter in feet A U 32 R- - Major aerodynamic characteristics Hamilton Standard shank size Balance master, does affect interchangeability but not eligibility. H 17 44 Diameter limits shown are nominal diameters of the assembled propeller and do not include the +5/16, -1/16 inch manufacturing tolerance permissible for propellers with steel blades. NOTE 3. Pitch Control. Eligible with Hamilton Standard constant speed control only. NOTE 4. (a) Feathering. Eligible with full feathering controls installed in accordance with the propeller manufacturer's instructions. (b) Reversing. Eligible with reversing controls installed in accordance with the manufacturer's instructions. NOTE 5. Left-Hand Models. The left-hand version of an approved model propeller is eligible at the same rating and diameter limitations as listed for the right-hand model. Page 3 P-853 NOTE 6. Interchangeable Blades. Only blades listed in the same group of the following listed groups are sufficiently similar aerodynamically and vibrationwise to permit interchangeability in the same diameter without a flight test. Blades with different model numbers should not be incorporated in the same propeller, except as noted below, and reference should always be made to the ratings of the blades. Group (a) 2H17K3, 2H17U3, 2H17AA3, and 2H17AC3 Note (1) Deleted - October 22, 1954 Note (2) 2H17U3, 2H17AA3 and 2H17AC3 blades can be used interchangeably in the same propeller provided the prefix letters and cut-off dash numbers of the model designations are the same. NOTE 7. Accessories. (a) Propeller Deicing (1) Electric. Eligible only with Hamilton Standard electrical deicing equipment installed in accordance with the propeller manufacturer's instructions. (2) Fluid. Eligible with Hamilton Standard fluid deicing slinger ring assemblies only. NOTE 8. Shank Fairings. Shank boot installed in accordance with the propeller manufacturer's instructions. NOTE 9. Special Limits. Not applicable NOTE 10. Special Notes. The word "eligible" as used herein does not signify approval. For approval, compliance with the applicable airworthiness requirements is necessary. ....END....