- Holder
- BMW Triebwerkbau G.m.b.H.
- Revision
- 3
- Revised
- March 28, 2007
- Status
- Current
- Product
- Engine
- Certification basis
- CAR 10
- Models
- 1
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 1
| Model | Also known as | Note |
|---|---|---|
| GO-480-B1A6 |
Airworthiness directives · 0
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What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
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...