- Holder
- Wright Aeronautical Division Curtiss-Wright Corporation
- Revision
- 0
- Status
- Current
- Product
- Engine
- Models
- 3
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 3
| Model | Also known as | Note |
|---|---|---|
| Cyclone R | ||
| Cyclone GR-1820F-65 | ||
| Cyclone GR-1820F-55 |
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
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: Wright Cyclone R and GR-1820F-55, -65
I.C. NUMBER: T.C. 198
Model - Cyclone Tyre - 9RA R and GR-1820F-55 Direct drive or 16:11 Direct drive or 16:11 R and GR- 1820F-65
reduction gearing reduction gearing
Rating (with low
impeller gear ratio) 7.14: 1
hr. xpm, in.Hg.. at:
760-2100-34.5-5800 810-2550-35-4-6000
730-2100-34-5-S.I. 810-2350-37-0-S.L.
Take-off (one minute).
875-2200-39.0 900-2350-40.0
Rating (with high
impeller gear ratio) 10:1
in.Hg.. at:
675-2100-33-5-15300 675-2100-33-5-15300
Iake-off (one minute),
640-2100-35.5
87
Fore and stroke, in. 6.125 × 6.875
Lisplacement, cu. in. 1823
Compression ratio 6.40:1
Weight (dry), 1bs. 1012 (direct). 1107 (geared)
Fropeller shaft,
40 (direct), 50 (geared)
Larcuretion stromDerg NA-FIr carburetor wIEn
131 an eat do candle evane
Ignition, dual Scintilla SP9L, SF9IN1, SP9IN2,
SF913, or SF914 magnetos
Certification basis approved Type Certificate No. 198
Froduction basis Production Certificate No. 8
NOT and 200 degrees F.. respectively. Maximum permissible cylinder head, barrel, and oil inlet temperatures, 500 degrees F.. 325 degrees F..