# TCDS P-904: Sensenich Propeller Company - Type: Type certificate data sheet - Status: Current - Holder: Sensenich Propeller Company - Revision: 11 - Revised: August 28, 2023 - Product: Propeller - Certification basis: Part 35 - Data sheet PDF: https://openairdocs.org/files/sha256/fc/04/fc04c82c3f51557f3b396d15ddee9aa6dd6a08622d3235b16673b76f986a4ffa - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175934400420231019145338.0001 - Page: https://openairdocs.org/tcds/P-904 ## Models (3) As the data sheet lists them. - 72CC - 72CK - 69CK ## What the data sheet says From the PDF's text layer, line by line; tables lose their columns. The PDF is the record. ```text DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION TYPE CERTIFICATE DATA SHEET NO. P904 Propel lers of models described herein conf orming wit h this data sheet (which is part of Type Certificate No. P904) and other approv ed data on fi le with t he Federal Aviation Admi nistrati on, meet the minimum standards for use in c ertificated aircraft in accordance with pert inent ai rcraft data sheets and applicable portions of the Federal Aviati on Regulati ons provided they are i nstalled, operated and mai ntained as prescri bed by the approved manufacturer's m anuals and other approved instructions. Type Certificate H ol der Sensenich P ropell er Company 2008 Wood Court Plant City , FL 33563 Type Fixed -Pitch Met al Materi al Aluminum Alloy Number of Blades 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.) 69CK 100 2750 69" 58" -42" 6 25/64" 4-3/ 8" 5-1/ 2" 3-3/ 16" 24.0 Delet ed December 14, 1995, See NOTE 2 72CK 130 2800 72" 62" -46" 6 25/64" 4-3/ 8" 5-1/ 2" 3-3/ 16" 24.8 72CC 130 2800 72" 62" -46" 6 33/64" 4.0" 5-1/ 2" 3-3/ 16" 25.0 Certific ation Basis Production Basis Type Certificate No. 904 Production Certificat e No. 335CE NOTE 1. Installation . These models are f or instal lation on fl anged propel ler shaft ends (see NOTE 2). Installation is to be made with special steel bolts whi ch are furnished or specified by the pr opell er m anuf acturer i n accordance with t he appropriate propell er assembly drawing. See NOTE 7 for spacer designations and NOTE 9 for approved spacer lengths. a. Propeller Model 69CK and 72CK are i nstalled on SAE No. 1 flanged shaft or tapered shaft. b. Propeller Model 72CC is installed on SAE ARP -502 fl anged shaft. Page No. 1 2 Rev. No. 11 11 P904 Revision 11 SENSENICH 69C Series 72C Series August 28, 2023 P904 2 NOTE 2. Model Designation . Model Designation M 69 C K S12 - 2 - 50 L Designates design change Pitch in inches at .75 radius station Designated cut -off i n inches from basic diamet er Designates a 12/4 or 3 i nch spacer thickness Designates hub confi gurati on "K" - for instal lation on SA E No. 1 (Ref. AS 127) flanged shaft or tapered shaft "C" - for install ation on SA E ARP -502 flanged shaft Designat es bl ade design Basic diameter in inc hes Designates metal propeller Not included on propellers with Serial No. 1622 & up, which are otherwise the same. NOTE 3, 4, 5, 6, and 8. Not applicabl e. NOTE 7. Spacers . Sensenich spacer models are identified by flange codes (see NOTE 2) and spacer thi ckness designated based on multi ples of 1/ 4 inch. See NOTE 9 for approved spacer lengths. NOTE 9. Special Lim its . Table of Propeller -E ngi ne Combinati ons Approved Vibrati onwi se for Use on Normal Cat egory Single -Engine T ractor Aircraft The maximum and minimum propell er diamet ers that can be us ed from a vibrati on standpoi nt are shown be l ow. No reduction bel ow the minimum diam eter listed is permissible si nce this figure includes the di ameter reduction allowable for repair purpo ses. Propeller Engine Max. Dia. Min. Dia. Model Model (Inches ) (Inches ) Placards 69CK, Spa c ers 0 to 3.0 i nches incl. Conti nental O -200 -A 69 67 None 72CK Conti nental A65 S eri es 72 70 None 72CK Conti nental C75 Series 72 70 None 72CK Conti nental C85 Series 72 70 None 72CK Conti nental C90 Series 72 70 None 72CC, Spacers 0 to 1.5 i nches incl. Frankli n 4A -235 -B 72 70 None 72CK, Spac ers 0 to 3.0 i nches incl. Lycoming O -235 Series, 9.70 to 1 Com pression Ratio or l ess, 125 h.p. @ 2800 r.p.m. or less 72 70 None NOTE 10. Special Notes . The work " eligi ble" as used herein does not signify approval. F or approval, complianc e with the applic able airc raft ai rworthi ness requirements is necessary. ... END ... ``` ## ADs (2, in force first) - [AD 2005-14-11](https://openairdocs.org/ad/2005-14-11): Failed propeller blade · Hartzell Propeller BHC-92W, BHC-92ZF-1, BHC-92ZF-3 and 391 more. Effective Aug 17, 2005 - [AD 2003-13-17](https://openairdocs.org/ad/2003-13-17): Propeller blade · Hartzell Propeller BHC-A2V, BHC-C2Y, EHC-G3YF-2 and 81 more. Effective Jul 18, 2003 ## STCs approved under this data sheet (3) - [STC SP1774GL](https://openairdocs.org/stc/SP1774GL): Modify Sensenich propeller by removing propeller tip material to form a 45 deg chamfer.. Pegasus Innovations, LLC - [STC SP01222WI](https://openairdocs.org/stc/SP01222WI): Installation of Aircraft Development propeller vortelators.. Aircraft Development Co - [STC SP00582NY](https://openairdocs.org/stc/SP00582NY): Installation of Prop-Guard Polyurethane Protective Tape on the leading edge of metal propellers.. McFarlane Aviation, Inc. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.