TCDS P-869

Page No. 1 2 Rev. No. 11 11 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION P-869 Revision 11 SENSENICH CS-3F April 13, 1970 TYPE CERTIFICATE DATA SHEET NO. P-869 Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P-869) 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 Sensenich Corporation Lancaster, Pennsylvania 17604 Type Manually controllable, Hydraulic (see Note 3) Engine shaft SAE No. 2 flange, SAE No. 3 flange Hub material Steel Blade material Laminated birch, plastic covering outer 15" of blade, or plastic covering entire blade; Monel tipping; aluminum pigmented varnish. Number of blades Two Hub models eligible CS-3FM4, CS-3FR5 (see Note 1) Blades Eligible Maximum Continuous Takeoff Diameter Limits Hub and Blade Weight (See Note 2) HP RPM HP RPM (See note 2) Max. Dia. C374A7-0 to C374A7-4 135 2600 135 2600 74" - 70" (-0 to -4) 34 lb. C374E-0 to C374E-2 140 2800 140 2800 74" - 72" (-0 to -4) 34 lb. C374L-0 to C374L-0 135 2600 140 2800 74" - 74" (-0 to -0) 34 lb. C-376B3-0 to C-376B3-6 165 2800 165 2800 76" - 70" (-0 to -6) 37 lb. C-376B4-0 to C-37B4-6 165 2800 165 2800 76" - 70" (-0 to -6) 37 lb. C376E-0 to C376E-2 165 2800 165 2800 76" - 74" (-0 to -2) 37 lb. Certification basis Type Certificate No. P-869 dated July 30, 1948. Date of Application for Type Certificate May 13, 1948. Production basis Production Certificate No. 1 P-869 2 NOTE 1. Hub Model Designation Hub model designation L CS - 3 F R 5 - 1 Minor change not affecting eligibility Major design series M denotes SAE No. 2 Flange R denotes SAE No. 2 Flange Flange shaft Sensenich blade shank size Constant speed (see Note 3) Denotes left-hand rotation NOTE 2. Blade Model Designation L P C - 3 76 B 3 - 6 Number of inches cut off from basic diameter. Major design change Type of blade centerline arrangement Basic propeller diameter in inches Sensenich blade shank size Controllable pitch Denotes entire blade covered with plastic Denotes left hand blade NOTE 3. Pitch Control. (1) Eligible with Sensenich hydro-control valve Model L-2160 with propeller when installed on Lycoming O-235-C1 or O-290-D engine and Model F-2164 when installed on Franklin 6A4-165 engine. (Constant speed feature with governor, although approved, was never incorporated). NOTE 4. (a) Feathering Not applicable. (b) Reversing. Not applicable. NOTE 5. Left-Hand Models. The left hand version of an approved model propeller is eligible at the same rating and diameter as listed for the right hand model. See NOTES 1 and 2. NOTE 6. Interchangeable Blades. Varnished blades and plastic covered blades of the same basic model and diameter are interchangable aerodynamically in pairs. NOTE 7 & 8. Not applicable. NOTE 9. Approved Installations. Intentionally left blank. NOTE 10. The word "eligible" as used herein does not signify approval. For approval, compliance with the applicable aircraft airworthiness requirements is necessary. ....END.....