# TCDS TC 52: Pigman American Flyers

- Type: Type certificate data sheet
- Status: Current
- Holder: Pigman American Flyers
- Revision: 0
- Product: Engine
- Data sheet PDF: https://openairdocs.org/files/sha256/40/ee/40ee6da03577545873c6f08ee841b194943b2756b8da852f6c6587d76b50b63b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/20390288458A9F068525670D004AB8EB.0001
- Page: https://openairdocs.org/tcds/TC%2052

## Models (3)

As the data sheet lists them.

- Ken Royce 7F
- Ken Royce 7G
- LeBlond 110 7DF

## What the data sheet says

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

```text
MODEIS: Pigman, Reed (American Flyers) LeBlond 110 7DF, Ken Royce 7F, Ken Royce 7G
I.C. NUMBER: T.C. 52
Models  LeBlond 110 7DF  Ken Royce 7F & 7G
Iyre  TRA
Rating:
Maximum continuous,
Her ipm, at S.L.
fressure altitude  110-2150-S.L.  120-2225-S.I.
Take-off, hp, Ipm,
at full throttle  110-2150  120-2225
Fuel (minimum octane
aviation gasoline)  70  73
Fore and stroke, in.  4.25 × 3.75
[isplacement, cu. in.  372-4
Compression ratio  6.1:1
Weight (dry).  1bs.  275  7F-282: 7G-285
Frogeller shaft,
SAE NO.  0 Taper
Carburetion  Holley 429 or Stromberg NA-R3
carburetor with 1-3/8 in. venturi
Ignition, dual  scintilla MN-7D magnetos
Ignition timing,
7, -25 degrees; 76-30 degrees
Certification Lasis  Type Certificate No. 52
Nongines under this type certificate and, therefore, each engine so prodaced is subject  The manufacturer does not hold a production certificate for the production of
Civil Aeronautics Administration Agent.
issible cylinder head, barrel, and oil inlet temperatures 550 degrees F., 325 legrees F.,
of these models have been manufactured by both Ken royce Aircraft Engine Company an
Rearwin Aircraf  ure eligible bearing nameplates of either of the companies
NOTE 3.  and valves, with take-off
and maximum continuous, rating of 110 hp at
NOTE 4.  Model 7G, similar to Model 7F, incorporates automatic valve gear lubrication.
```

## 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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