# TCDS TC 211: Wright Aeronautical Division Curtiss-Wright Corporation

- Type: Type certificate data sheet
- Status: Current
- Holder: Wright Aeronautical Division Curtiss-Wright Corporation
- Revision: 0
- Product: Engine
- Data sheet PDF: https://openairdocs.org/files/sha256/56/8f/568f21d830f92b0528860a0176307746dca32fcd3760d0a83651431dd86633f5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3CED2A5BDE5F8F368525670E0066C764.0001
- Page: https://openairdocs.org/tcds/TC%20211

## Models (1)

As the data sheet lists them.

- Whirlwind R-975-F

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
MCDELS: Wright Whirlwind R-975-F
I.C. NUMBER: T.C. 211
Lirect drive
Maximum continuous,
rpm. in.Hg.. at:
altitude (ft.)  425-2300-33-5000
S.I- pressure
Iake-off (one minute),
hp. rpm. in.ng.  475-2400-37
(minimum octane
Fore and stroke, in.
[isplacement, cu. in.
Compression ratio
733 includes carburetor air heater and cleaner and cylinder barrel and head baffles
supercharging
(impeller gear ratio)
Stromberg NA-RIA or NA-R9C carburetor with 2-5/8 in. venturi
Scintilla VAG-9IFR or SF-9R magnetos
certification tasis  Type Certificate No. 211
Froduction Lasis  Production Certificate No. 8
NOIF and 200 degrees F.. respectively.  Maximum permissible cylinder head, barrel and oil inlet temperatures, 500 degrees F., 325 degrees F..
```

## ADs

None name its models.

## STCs approved under this data sheet (1)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC

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