# TCDS P1NM: Great American Propeller Co.

- Type: Type certificate data sheet
- Status: Current
- Holder: Great American Propeller Co.
- Revision: 1
- Revised: March 5, 2019
- Product: Propeller
- Certification basis: Part 35
- Data sheet PDF: https://openairdocs.org/files/sha256/5f/f8/5ff89440f183b6f199a5a7836d1fa7bf41f4d270d6a8f5745c09d3eb8f3b2a97
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/648019D5D6382B7F862583C90067BBE2.0001
- Page: https://openairdocs.org/tcds/P1NM

## Models (2)

As the data sheet lists them.

- W7800
- W7400

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
PAGE 1 2 3 
 REV. 1 - - 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 
 
 
 
 
 
 
 
 
TYPE CERTIFICATE DATA SHEET NO. P1NM 
 
Composite propellers of models described herein conforming with this data sheet (which is part of Type Certificate 
No. P1NM) 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 (TC) HOLDER:                 Great American Propeller Co. 
         250 Scottsville Blvd. 
         Jackson, CA 95642 
 
TYPE CERTIFICATE OWNERSHIP RECORD:  S&S Propellers Inc. 
                       3681 Sacramento Street 
                       San Luis Obispo, CA 93401 
 
Type       Fixed Pitch Composite 
Material      Carbon Fiber/Laminated Maple 
Number of Blades                              Two  
 
 Propeller Hub Drilling Hub Dimensions 
 
Propeller 
Weight 
 
 
Engine Manufacturer & TC 
Takeoff & 
Maximum 
Continuance 
 
 
Dia 
 
Standard 
Pitch 
 
Mounting 
Configuration 
No. of 
Bolt 
Holes 
Dia. of 
Bolt 
Holes 
Bolt 
Hole 
Dia. 
 
Hub 
Dia. 
 
Hub 
Thickness 
 
Propeller 
Weight 
 
  HP RPM (in) (in)   (in) (in)  (in) (lb) 
W7448A1-2 Continental (A-40) 40 2575 74 40-56 Taper Shaft 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (A-50) 50 1900 74 40–56 Taper Shaft 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (A-65/O-170) 65 2300 74 40–56 Taper Shaft 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Franklin (4AC-176-B2) 65 2300 74 40–56 SAE-1 Flange 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Lycoming (O-145) 65 2550 74 40–56 SAE-1 Flange 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (A-70) 70 2500 74 40–56 Taper Shaft 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (A-75) 75 2600 74 40–56 Taper Shaft 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (C-75) 75 2275 74 40–56 SAE-1 Flange 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (A-80) 80 2700 74 40–56 Taper Shaft 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (C85) 85 2575 74 40–56 SAE-1 Flange 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (C-90) 90 2550 74 40–56 SAE-1 Flange 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental ((A-100) 100 2700 74 40–56 SAE-1 Flange 6 0.375 4.375 6 3.5 10.5 
W7448A1-2 Continental (O-200) 100 2750 74 40–56 SAE-1 Flange 6 0.375 4.385 6 3.5 10.5 
W7448A1-2 Continental (C-115/125) 125 2550 74 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848A2-2 Continental (C-145/O-300) 145 2700 74 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848A2-2 Franklin (6A4-125-B3) 125 2500 74 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7448A1-2 Lycoming (O-235) 118 2600 74 40–56 SAE-1Flange 6 0.375 4.375 6 3.5 10.5 
W7848B2-2 Lycoming (O-235) 125 2800 78 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848B2-2 Continental (O-240) 130 2800 78 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848B2-2 Lycoming (O-290) 140 2800 78 40–56 SAE-2 Flange 6 0.4375 4.75 7 4 15.5 
W7848B2-2 Lycoming O-290) 140 2800 78 40–56 SAE-2 Flange 6 0.3125 4.75 7 4 15.5 
W7848B2-2 Lycoming (O-290) 140 2800 78 40–56 SAE-2 Flange 6 0.500 4.75 7 4 15.5 
W7848B2-2 Continental (C-145) 145 2700 78 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848B2-2 Continental (O-300) 145 2700 78 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848B2-2 Lycoming (O-320) 160 2700 78 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848B2-2 Lycoming (O-320) 160 2700 78 40–56 SAE-2 Flange 6 0.4375 4.75 7 4 15.5 
W7848B2-2 Lycoming (O-320) 160 2700 78 40–56 SAE-2 Flange 6 0.500 4.75 7 4 15.5 
W7848B2-2 Continental (IO-346) 165 2700 78 40–56 SAE-2 Flange 6 0.375 4.75 7 4 15.5 
W7848F2-2 Franklin (6A4-150-B3) 150 2600 78 40–56 SAE-3 Flange 8 0.375 5.25 7 4 10.5 
W7848F2-2 Franklin (6A4-165-B3) 165 2800 78 40–56 SAE-3 Flange 8 0.375 5.25 7 4 10.5 
P1NM 
Revision 1 
 
Great American 
Propeller Co. 
 
W7400 
W7800 
 
March 5, 2019

P-1NM 2  
 
CERTIFICATION BASIS Federal Air Regulations Part 35 including amendment 35-5 dated October 14, 
1980, to date of application for Type Certificate dated December 8, 1992. 
 
PRODUCTION CERTIFICATE None 
 
NOTE 1 Installation These models are for installation on flanged and tapered propeller shafts in 
accordance with AC 43.131A, Chapter 12, Section 5.  (See NOTE 2). 
 
Installation of composite propellers on flanged crankshaft must include a front 
plate of approximately the same area and thickness as the flange and AN bolts 
conforming to MIL-B-6812. 
 
NOTE 2 Model 
Designation  
W 74 48 A 1   - 2  Basic Model 
        2 Leading Edge Type 
        1 Blade design 
        A Bolt/Hub Configuration 
        48 Propeller Pitch (inches) 
        74 Basic Propeller Diameter (inches) 
         
W 
Material:  1/16 Laminated Maple with 
carbon fiber reinforcement 
 
NOTE 3, 4, 5, AND 6 Not applicable. 
 
NOTE 7 Spacers S&S crush plates and bolt kits, P/N S&S-SAE-1, S&S-SAE-2, S&S-SAE-3 may be 
used to comply with (NOTE 1).   Taper shaft hubs require S&S Bushing Set P/N 
A10 or equivalent. 
   
NOTE 8  Not applicable. 
   
NOTE 9 Special Limits Table of Propeller-Engine Combinations  
Approved Vibrationwise for use on Normal Category Tractor Aircraft 
   
  The maximum and minimum propeller diameter 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 
Model 
 
 
Engine Model 
Maximum 
Diameter 
(in) 
Minimum 
Diameter 
(in) 
 
 
Placards 
W7448A1-2 Continental A – 40 74.5 70 None 
W7448A1-2 Continental A – 50 74.5 70 None 
W7448A1-2 Continental A - 65/O-170 74.5 70 None 
W7448A1-2 Franklin 4AC176-B2 74.5 70 None 
W7448A1-2 Lycoming O-145 74.5 70 None 
W7448A1-2 Continental A – 70 74.5 70 None 
W7448A1-2 Continental A – 75 74.5 70 None 
W7448A1-2 Continental C – 75 74.5 70 None 
W7448A1-2 Continental A – 80 74.5 70 None 
W7448A1-2 Continental C - 85 74.5 70 None 
W7448A1-2 Continental C - 90 74.5 70 None

3 P-1NM 
 
Propeller 
Model 
 
 
Engine Model 
Maximum 
Diameter 
(in) 
Minimum 
Diameter 
(in) 
 
 
Placards 
W7448A1-2 Continental A - 100 74.5 70 None 
W7448A1-2 Continental O - 200 74.5 70 None 
W7448A1-2 Continental C - 115/125 74.5 70 None 
W7848B2-2 Continental C-145/O-300 78.5 70 None 
W7448A1-2 Franklin 4AC-125-B2 74.5 70 None 
W7448A1-2 Lycoming O-235 74.5 70 None 
W7848B2-2 Lycoming O-235 74.5 70 None 
W7848B2-2 Continental O-240 78.5 70 None 
W7848B2-2 Lycoming O-290 78.5 70 None 
W7848B2-2 Continental C-145 78.5 70 None 
W894882-2 Continental O-300 78.5 70 None 
W7848B2-2 Lycoming O-320 78.5 70 None 
W7848B2-2 Continental IO-346 78.5 70 None 
W7848F2-2 Franklin 6A4-150-B2 78.5 70 None 
W7848F2-2 Franklin 6A4-165-B2 78.5 70 None 
 
NOTE 10  Special Notes.  The word “eligible” as used herein does not signify approval.  For 
approval compliance with the applicable aircraft airworthiness requirements is  
necessary. 
 
…END…
```

## ADs

None name its models.

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