- Holder
- Pratt & Whitney Division
- Revision
- 0
- Status
- Current
- Product
- Engine
- 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 |
|---|---|---|
| Twin Wasp SB3-G | ||
| Twin Wasp SB-G |
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 6 Whitney Iwin wasp SB-G and SB3-G
I.C. NUMBER: ATC 158
Model - Iwin Wasp SB3-G
Type - 14RA 3:2 reduction gearing
Rating:
Maximum continuous,
rEm, in.Hg.. at:
Rated pressure
altitude (ft.) 900-2450-34-5-6500
s.I. pressure
altitude 860-2450-34-5-S.1.
Take-off (one minute).
hr. Ipm, in-Hg. 1000-2650-41-3
1000-2450-42-7
Fuel (mirimum octane
aviation gascline) 87
Fore and stroke, in.
Lisplacement, cu. in.
compression ratio
weight (dry).
Fropeller shaft,
(impeller gear ratio)
Stromterg NA-Y9E or NA-Y9G carburetor with 2-3/4 in. venturi
Ignition, dual Scintilla SE-14 RN1A magnetos
Approved Type Certificate No. 158
NOTE 1. Includes model SB-G with 6.5:1 or 6.7:1 (Jone type valves) compression ratio and weight (dry) of 1235 lbs.
NOTE 2. alove Pist eligible for use in certificated aircraft. No engines of these models manufactured after this date or with serial numbers