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TCDS ATC 81

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Type certificate data sheet · Textron Lycoming AVCO Corporation · Engine

Data sheet· 1 page, 17 KB
Download from FAA DRS
Holder
Textron Lycoming AVCO Corporation
Revision
0
Status
Current
Product
Engine
Models
3

The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.

On this page

Models · 3

ModelAlso known asNote
R-680-BAFormerly Avco Corporation, Lycoming Division
R-680-B2Formerly Avco Corporation, Lycoming Division
R-680-2Formerly Avco Corporation, Lycoming Division

Airworthiness directives · 5

ADs whose products are models on this data sheet, matched by model and maker.

AD 2012-03-07CarburetorEffective Mar 27, 2012AD 2004-10-14Crankshaft gearEffective Jun 25, 2004 · Supersedes AD 91-14-22AD 95-26-02Aviation GasolineEffective Jan 24, 1996AD 90-04-06 R1Propeller Governor External Oil LineEffective May 28, 1991AD 66-06-03Connecting Rod AssembliesEffective Jan 16, 1969

Registered aircraft

Registry models that point at this data sheet, with their registered aircraft.

Lycoming R-680-20 registered aircraftRegistry code 42368Lycoming R-680-B20 registered aircraftRegistry code 42366Lycoming R-680-BA0 registered aircraftRegistry code 42367

STCs approved under this data sheet · 2

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLCSTC SE2413CEAdd the following approved fuel: unleaded automotive gas, 87 minimum antiknock index and leaded automotive gas, 88 minimum antiknock index, (RON+MON)/2.Petersen Aviation Inc

What the data sheet saysOCR

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

MODEIS: Avco LYcoming R-680-B2, -BA, -2 7.C. NUMBER: AIC 81 Model R-680-B2, -BA, -2 lyre 9 RA Rating: Maximum continuous, DE• Ipm, at S.L. fress. alt. 240-2000-S-I. Iake-off, hr, rpm. at full throttle 240-2000 fuel (minimum octane aviation gasoline) 80 Fore and stroke, in. 4_625 x 4_500 [ispiacement, cu. in. 680-4 Compression ratio 6-5;1 weight (dry) , lbs. 473 Fropeller shaft, SAE NO. 20 CarDuretion stromberg NA-R7A carburetor with 2.0625 in. venturi Ignition, dual Scintilla SC-A or SC-A2 magneto Certification basis Approved Type Certificate No. 81 (Expired 3/14/39) The R-680-B2 model engine may be converted to the R-680-B5 by properly providing for use af a controllable ritch propeller and by including the -B5 designation and ratings on the name plate.