# TCDS 7E1: BMW Triebwerkbau G.m.b.H.

- Type: Type certificate data sheet
- Status: Current
- Holder: BMW Triebwerkbau G.m.b.H.
- Revision: 3
- Revised: March 28, 2007
- Product: Engine
- Certification basis: CAR 10
- Data sheet PDF: https://openairdocs.org/files/sha256/aa/fd/aafd946f0657e19386b913b02c0203b37084af90c87ffde17c8b8c1a3c21297e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2036DFA6EE2F1E9C862572B300535043.0001
- Page: https://openairdocs.org/tcds/7E1

## Models (1)

As the data sheet lists them.

- GO-480-B1A6

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
7E1 
Revision 3 
BMW 
GO-480-B1A6 
March 28, 2007 
TYPE CERTIFICATE DATA SHEET NO. 7E1 
 
Engines of models described herein conforming with this data sheet (which is a part of type certificate No. 7E1) and other 
approved data on file with the Federal Aviation Agency meet the minimum standards for use in certificated aircraft in 
accordance with pertinent aircraft data sheets and applicable portion of the Civil Air Regulations provided they are installed, 
operated and maintained as prescribed by the approved manufacturer's manuals and other approved instructions. 
 
Type Certificate Holder BMW Triebwerkbau G.m.b.H. 
 Munich 68 
 Federal Republic of Germany 
 
Model BMW GO-480-B1A6 
Type 6HOA, reduction gear ratio 77:120 
 
Rating 
  Max. continuous, hp., r.p.m., 
    full throttle at: 
      Sea level pressure altitude 260-3000 
  Takeoff (5 min.), hp., r.p.m. 
    full throttle at: 
      Sea level pressure altitude 270-3400 
 
Fuel (Min. grade aviation gas.) 80/87 
Lubricating oil MIL-L-6082 or Lycoming Spec. No. 301-D 
Bore and stroke, in. 5.125 X 3.875 
Displacement, cu. in., 479.7 
Compression ratio 7.3:1 
Weight (dry) lb. 432 
C.G. location (dry), in. 
(See Lycoming Dwg. No. 63050) 
  From face of thrust bearing 
    nut-surface "y" 19.37  
  From propeller shaft C.L. 0.27 below 
 0.36 right viewed from rear end of the engine 
 
Propeller shaft, SAE No. 20 spline 
Carburetor Bendix-Stromberg PS-58D carburetor 
Ignition, dual Scintilla S6-LN-20-21 magnetos 
Ignition, Timing, °BTC 25 
Spark plugs Champion REM 39N or equivalent  
 spark plugs according to Lycoming  
 Service Bulletin No. 175H dtd 31 Dec 58 
Oil sump capacity, qt. 12 
Usable oil sump capacity, qt. 9.25 
 
CERTIFICATION BASIS CAR 10.  Type Certificate No. 7E1 issued October 18, 1960. 
 Date of Application for Type Certificate March 14, 1960. 
 
The aviation authority for the Federal Republic of Germany Luftfahrt-Bundesamt (LBA), 
originally type certificated this engine.  The FAA validated this product under U.S. Type 
Certificate Number 7E1. Effective September 28, 2003, the European Aviation Safety 
Agency (EASA) began oversight of this product on behalf of the Federal Republic of 
Germany. 
 
 
Page No. 1 2 
Rev No. 3 3 
Reformatted 12/93.

7E1, Rev 2 
Page 2 
 
IMPORT REQUIREMENTS To be considered eligible for installation on U.S. registered aircraft, each new engine to 
be exported to the United States with a Federal Republic of Germany LBA or EASA 
airworthiness approval shall have a Joint Aviation Authorities (JAA) or EASA Form 1, 
Authorized Release Certificate.  The JAA or EASA Form 1 should state that the engine 
conforms to the type design approved under the U.S. Type Certificate 7E1, is in a 
condition for safe operation and has undergone a final operational check. 
 
NOTE 1. Maximum permissible temperatures: 
 
 Cylinder head (well-type thermocouple) 475 °F 
 Cylinder barrel 325° F 
 Oil inlet           225 °F 
 
NOTE 2. 
 Min. Max. 
Fuel pressure limits 11 p.s.i. 15 p.s.i. 
Oil pressure limits:   
(Normal operation) 65 p.s.i. 85 p.s.i. 
(Idling) 25 p.s.i.  
 
NOTE 3. The following accessory drive provisions are available: 
  
  
*Direction of 
Rotation 
 
 
**Speed 
 
Maximum Torque 
(in.-lb.) 
Max. Overhang 
Moment 
(in.-lb.) 
   Continuous Static  
      
Starter C 1.000:1 ⎯ 3000 80 
Generator C 2.577:1 90 250 200 
Fuel pump C 1.000:1 50 450 10 
Tachometer C .500:1  7 50 5 
Vacuum pump C 1.333:1 100 800 25 
(or Hydraulic pump)      
Prop. gov. C .801:1 125 825 ⎯ 
      
      
 *  "C" - clockwise, facing engine pad 
**  Speed - Times crankshaft r.p.m. 
    
      
NOTE 4. The GO-480-B1A6 series engine incorporates a crankshaft with five 3rd order and one 6th order 
 torsional vibration dampers. 
 
NOTE 5. This engine incorporates provisions for abso rbing propeller thrust in both tractor and pusher type 
 installations. 
 
NOTE 6. Each of the documents listed below must state that it is approved by the European Aviation Safety Agency 
(EASA) or, for approvals made before September 28, 2003 by the Federal Republic of Germany Luftfahrt-
Bundesamt.  Any such documents including those approved under a delegated authority, are accepted by the 
FAA and are considered FAA approved.  
 • Service bulletins,  
 • Structural repair manuals,  
 • Vendor manuals,  
 • Aircraft flight manuals, and  
 • Overhaul and maintenance manuals.  
These approvals pertain to the type design only. 
 
 
...END...
```

## ADs

None name its models.

## STCs approved under this data sheet (1)

- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc.

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