- Holder
- Great American Propeller Co.
- Revision
- 1
- Revised
- March 5, 2019
- Status
- Current
- Product
- Propeller
- Certification basis
- Part 35
- Models
- 2
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 2
| Model | Also known as | Note |
|---|---|---|
| W7800 | Formerly S&S Propellers Inc. | |
| W7400 | Formerly S&S Propellers Inc. |
Airworthiness directives · 0
ADs whose products are models on this data sheet, matched by model and maker.
No ADs matched this data sheet’s models
What the data sheet says
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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…