# TCDS P27NE: Sensenich Propeller Company

- Type: Type certificate data sheet
- Status: Current
- Holder: Sensenich Propeller Company
- Revision: 3
- Revised: August 28, 2023
- Product: Propeller
- Certification basis: Part 35
- Data sheet PDF: https://openairdocs.org/files/sha256/cb/76/cb76ad09f5cfe93e4d8b29cc50a78a22fe27344baeac592739c3cb8196d398f2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138358212420231019144251.0001
- Page: https://openairdocs.org/tcds/P27NE

## Models (3)

As the data sheet lists them.

- W80DR
- W80CM8
- W80DM Series

## 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. P27NE 
Propellers of models descr ib ed herein conf orming wit h this data sheet (which is part of Type Certificate No. 
P27NE) and ot her approved dat a on file with the Federal Aviati on Admi nistration, meet the mi ni mum 
standards for use in certi ficated aircraft in accordance with perti nent air cr aft data sheets and applicable 
porti ons of the Federal Aviation Regulati ons prov ided t hey are i nstalled, operated and maintai ned as 
prescri bed by the approved manuf acturer's manuals and other approved i nstruc tions.  
Type Certificate Hol der  Sensenich P rop ell er Company  
2008 Wood Court  
Plant City, Florida 33563  
Type  Fixed -Pitch Wood  
Materi al  Wood (Birch)  
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. Di a.)  
W80CM8  180  2700  80”  55” - 35"  6 33/64”  4-3/ 4” 7-1/ 2” 3-5/ 8” 16.5  
W80DM  160  2700  80”  52” -32"  6 25/64”  4-3/ 4” 6-1/ 2” 4”  14  
W80D M7  160  2700  80”  52” -32"  6 29/64”  4-3/ 4” 6-1/ 2” 4”  14  
W80DR  160  2700  80”  52” – 32” 
3
2
3
2
32”
8 25/65”  4-3/ 4” 6-1/ 2” 4”  14  
Certific ation Basis:  
Model W80CM8; FAR 35 as  amended through  amendm ent 7 , effective December 28, 1995.  
Models W80DM, W80DM7, W80DR; FAR35 as amended through amendment 6, ef fective August 18, 
1989.  
Production Basis:  Production Certificat e No. 335CE  
Page No.  1 2 
Rev. No.  3 3 
P27NE 
Revision 3 
SENSENICH 
W80CM8 
W80DM series 
W80DR 
August 28, 2023

P27NE      Page 2  
Revision 3 
NOTE 1.  Installation .  Installati on of  wood propellers on fl anged crankshafts must include a front plant of 
approximat ely the same area and thickness as the flange and AN bolts conformi ng to MIL -B-6812. 
See NOTE 7 for approved sp acer l engt hs . 
a. Propeller Model W80CM 8 i s installed on SAE No. 6 fl anged shaft or spool spacer with 7”
diamet er mounting flange and a driv e bushi ng protrusion into propeller hub from .375” -
.750”.
b. Propeller models W80DM and W80DM 7 are install ed on SAE No. 2 flanged sh aft.
c. Propeller model W80DR is installed on SAE No. 3 fl anged shaft.
NOTE 2.  Model Designation . 
Model Designation  
W 80 C M8 47 
Designates design change  
“G” denotes gl ass fabric ti pping  
“U” deno tes syntheti c leadi ng edge  
Pitch in inches at .75 radius station  
Designates hub confi gurati on  
“M’ – for i nstall ation on SA E No. 2 (Ref. 
AS 127) fl anged shaft with 3/8 di a. bolts  
“M7” -  for i nstall ati on on SAE No. 2 (Ref. 
AS 127) fl anged shaft with 7/16 dia. bolts  
"M8" - for i nstallati on on S AE No. 6 (Ref. 
AS 127) fl anged shaft with 8/16 (½ ) di a. 
bolts  
 “R” – for i nstallati on on S AE No. 3 (Ref. 
AS 127) fl anged s haft with 3/ 8 di a. bolts  
Designates bl ade design  
Basic diameter in inc hes  
Designates wood propeller  
NOTE 3, 4, 5, 6, and 8.  Not applicabl e.  
NOTE 7.  Extensions .  
Propell er model W80 CM 8 i s approved for spool type extensions up to and incl uding 4.0”.  
NOTE 9. Not applicable  
... END ...
```

## ADs

None name its models.

## STCs approved under this data sheet (1)

- [STC SP01222WI](https://openairdocs.org/stc/SP01222WI): Installation of Aircraft Development propeller vortelators.. Aircraft Development Co

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