# TCDS TC 87: 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/bb/e8/bbe8326d16f234963693ab39ba891790e82e890be0b1fa8c67f68a3d15e71153
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/89D2F878A9A91AE78525670E0066AF85.0001
- Page: https://openairdocs.org/tcds/TC%2087

## Models (1)

As the data sheet lists them.

- Whirlwind R-975E-1

## What the data sheet says

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

```text
MODELS: Wright Whirlwind R-975E-1
1.C. NUMBER: T.C. 87
Model - Whirlwind  R-975E-1
Type - 9RA  Direct drive
Maximum continuous,
hp. Ipm, at s.I.
365-2100-S.I.
Take-off (one minute).
hr. rpm. at full
throttle  365-2100
Fuel  (minimum octane
aviation gasoline)  73
Fore and stroke, in.  5.0 x 5.5
Liselacement, cu. in•
Compression  ratio  6.1:1
Weight (dry), lbs.  660 includes carburetor air heater and cleaner and cylinder barrel and head baffles
Fropeller shaft,
SAE NO.  30
Supercharging
carburetor  (impeller gear ratio)  Stromberg NA-R9 or NA-R9A carkuretor with 2-7/16 in. venturi
Ignition, dual  Scintilla VAG-9D, VAG-9DF or SF-9R magnetos
Certification basis  Type Certificate  NO.
21000CC10n 04515  The manufacturer does not hold a production certificate for the production of
the love, the hyent will tay the brine with tag ro AcA lococtory cong on of
NOTE 00 degkies permispibliveylinder head, barrel and oil inlet temperatures 500 degrees F.. 325 degrees F.., and
```

## 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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