1P2
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DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION TYPE CERTIFICATE DATA SHEET NO. 1P2 Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. I 1P2) 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 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 Type Material Number of Blades Sensenich Propeller Manufacturing Company, Inc. 14 Citation Lane Lititz, PA 1 7543 Fixed-Pitch Metal Aluminum Alloy Two Basic Model Takeoff & Standard Hub Drilling_ Hub Dimensions Weight (See Note 2) Max. Cont. Diameter Pitch No. Dia. Dia. Bolt Dia. Thick. (lb.) HP RPM Holes Holes Circle (Max. Dia.) Deleted December Certification Basis Type Certificate No. 1P2 Production Basis Production Certificate No. 1NE NOTE 1. Installation. These models are for installation on flanged propeller shaft ends (see NOTE 2). Installation is to be made with special steel bolts which are furnished or specified by the propeller manufacturer in accordance with the appropriate propeller assembly drawing. See NOTE 7 for spacer designations and NOTE 9 for approved spacer lengths. a. Propeller Model 74CK is installed on SAE No. 1 flanged shaft or tapered shaft. b. Propeller Model 76AK-2 is installed on SAE No. 1 flanged shaft or tapered shaft. c. Propeller Model 76AM6-2 is installed on SAE No. 2 flanged shaft using 3/8" diameter attaching bolts and 5/8 inch diameter drive bushings.

NOTE 2. Model Designation Model Designation | Designates design change Pitch in inches at .75 radius station Designated cut-off in inches from basic diameter Designates a 6/4 or 1 1/2 inch spacer thickness Designates hub configuration "K" - for installation on SAE No. 1 (Ref. AS 127) flanged shaft or tapered shaft "M"or "M6" - for installation on SAE No. 2 flanged shaft using 3/8" diameter attaching bolts and 5/8" diameter drive bushings. Designates blade design Basic diameter in inches Designates metal propeller Not included on propellers with Serial No. 21641 & up, which are otherwise the...

7 to 1 Compression Ratio or less, 90 h.p. @ 2475 r.p.m. or less Lycoming O-145 Series 72 6.51 to 1 Compression Ratio or less, 65 h.p. @ 2550 r.p.m. or less Continental A65 Series 74 6.31 to 1 Compression Ratio or less, 65 h.p. @ 2350 r.p.m. or less Continental C85 Series 74 6.3 to 1 Compression Ratio or less, 85 h.p. @ 2575 r.p.m. or less Continental C90 Series 74 7 to 1 Compression Ratio or less, 90 h.p. @ 2475 r.p.m. or less Lycoming O-235 Series 74 6.75 to 1 Compression Ratio or less, 108 h.p. @ 2600 r.p.m. or less Lycoming O-290-D 74 Special Notes. The work "eligible"...