- Holder
- Pratt & Whitney Division
- Revision
- 0
- Status
- Current
- Product
- Engine
- Models
- 5
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 5
| Model | Also known as | Note |
|---|---|---|
| Wasp A | ||
| Wasp C | ||
| Wasp CD | ||
| Wasp B | ||
| Wasp C1 |
Airworthiness directives · 1
ADs whose products are models on this data sheet, matched by model and maker.
STCs approved under this data sheet · 1
What the data sheet saysOCR
This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.
MODEIS: Pratt & Whitney wasp A, B, C, C1, CD
I.C. NUMBER: AIC 14
Model Wasp C1 Wasp CD
Tyre 9RA
Rating:
Maximum continuous,
hr. rom, at s.I.
pressure altitude 420-2000-S. L. 450-2100-5.I.
Take-off (one minute),
hp, rpm, at full
throttle 420-2000 450-2100
Fuel (minimum octane
aviation gasoline) 58 73
Fore and stroke, in. 5.75 × 5,75
Lisplacement, cu. in. 1344
compression ratio 5.25:1
height (dry), lts. 745 729
Crankshaft gearing Direct drive
Supercharging
(impeller gear ratio) 7: 1
Carburetion:
Stremberg carburetor NAY-7B NA-Y8C-1
Venturi diameter, in. 1-3/4 1-15/16
Ignition, dual Scintilla VAG-9I magnetos
NOTES 1, 3,
Certification basis Approved Type Certificate No. 14
NCIE 1- Wasp A, B and C, previous series of this engine, also eligible at ratings identical to model C1.
NOTE 2. Serial numbers 2964, 2965, 2797 and 2974 only eligible.
NOTE 3. Approval expired 1/8/36. No engines of these models manufactured after this date of with serial
numbers above 5555 eligible for use in certificated aircraft.
NOTE 4_ serial numbers 817, 833, and 886 wasp B engines eligible with impeller gear ratio changed from
5:1 to 7:1.