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P17EA
Revision 6

SENSENICH 80B

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February 4, 1997

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Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P17EA) 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:	Sensenich Propeller Manufacturing Company, Inc.
	14 Citation Lane
	Lititz, PA 17543

Type Fixed-Pitch Metal
Material 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.)
80BM8	235	2575	80"	76"-64"	6	33/64"	4-3/4"		6	4-3/4"	38.5
Deleted December 14, 1995, See Note 2

Certification Basis CAR 14 as amended to May 3, 1962

Type Certificate No. P17EA issued July 2, 1964

Date of application for Type Certificate May 1, 1964

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.

Page No.	1	2
Rev. No.	5	5

P17EA -2-

Revision 5

NOTE 2. Model Designation.

NOTE 3, 4, 5, 6, 7, and 8. Not applicable.

NOTE 9. Special Limits. Table of Propeller-Engine Combinations

Approved Vibrationwise for Use on Normal Category Single-Engine Tractor Aircraft

The maximum and minimum propeller diameters that can be used from a vibration standpoint are shown below. No reduction below the minimum diameter listed is permissible since this figure includes the diameter reduction allowable for repair purposes.

Propeller		Engine		Max. Dia.		Min. Dia.
Model		Model		(Inches)		(Inches)		Placards
80BM8		Lycoming O-540-B4B5 235 h.p. @ 2575 r.p.m. or less.		80		78		None

NOTE 10. Special Notes. The work "eligible" as used herein does not signify approval. For approval, compliance with the applicable aircraft airworthiness requirements is necessary.

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