- Holder
- Pratt & Whitney Division
- Revision
- 0
- Status
- Current
- Product
- Engine
- Models
- 1
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 1
| Model | Also known as | Note |
|---|---|---|
| Wasp S3D1 |
Airworthiness directives · 1
ADs whose products are models on this data sheet, matched by model and maker.
STCs approved under this data sheet · 2
What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
PRATT & WHITNEY AIRCRAFT DIVISION OF UNITED AIRCRAFT CORPORATION
MODELS: Pratt & Whitney Wasp S3D1
T.C. NUMBER: ATC 128
Model - Wasp S3D1
Type - 9RA Direct drive
Rating:
Maximum continuous, hp, rpm,
in.Hg., at:
Rated pressure altitude (ft.) 450-2100-28 ½-6000
S.L. pressure altitude 440-2100-29-S.L.
Take-off (one minute),
hp, rpm, in.Hg. 450-2100-30
450-1950-31
450-1775-33
Fuel (minimum octane aviation
gasoline) 73
Bore and stroke, in. 5.75 x 5.75
Displacement, cu. in. 1344
Compression ratio 6: 1
Weight (dry), lbs. 730
Propeller shaft, SAE No. 30
Supercharging
(impeller gear ratio) 10: 1
Carburetion Stromberg NA-Y8E carburetor with 2 inch venturi
Ignition, dual Scintilla VAG-9D magnetos
Certification basis Approved Type Certificate No. 128
NOTE 1. Approval expired 1/8/36. No engine of this model manufactured after this date or
with
serial numbers above 5453 eligible for use in certificated aircraft.