- Holder
- Lycoming Engines
- Revision
- 4
- Revised
- June 23, 2010
- Status
- Current
- Product
- Engine
- Models
- 2
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 2
| Model | Also known as | Note |
|---|---|---|
| GSO-435-B2 | Formerly Avco Corporation, Lycoming Division, then Textron Lycoming, AVCO Corporation | |
| GSO-435-B | Formerly Avco Corporation, Lycoming Division, then Textron Lycoming, AVCO Corporation |
Airworthiness directives · 5
ADs whose products are models on this data sheet, matched by model and maker.
Registered aircraft
Registry models that point at this data sheet, with their registered aircraft.
STCs approved under this data sheet · 12
STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.STC SE4408SWMiscellaneous engine cylinder replacement parts.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIISTC SE09492SCInstallation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013.STC SE8023SWInstallation and usage of AEROSHELLSTC SE452NEInstallation and usage of 'Mobil AV 1' aviation oil.STC SE5879SWUse of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP.STC SE1445SOUse of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.STC SE128NEUse of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.STC SE44WEUse of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.
What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
Page No. 1 2
Rev No. 4 4
FEDERAL AVIATION AGENCY
E-276
Revision 4
Lycoming Engines
GSO-435-B
GSO-435-B2
June 23, 2010
TYPE CERTIFICATE DATA SHEET NO. E-276
Engines of models described herein conforming with this specification and approved data on file with the Federal Aviation Agency meet
the minimum standards for use in certified aircraft in accordance with pertinent aircraft specifications and applicable portions of the Civil
Air Regulations provided they are installed, operated, and maintained as prescribed by the approved manufacturer's manuals.
Type Certificate Holder Lycoming Engines
An Operating Division of AVCO Corporation
Williamsport, Pennsylvania 17701
Type Certificate Holder Record Lycoming Division, AVCO Manufacturing Corporation transferred TC 284 to Lycoming
Engines, An Operating Division of AVCO Corporation on June 23, 2010
Model Lycoming GSO-435-B
GSO-435-B2
Type 6HOA - reduction gear ratio 77:120
Rating
Max. continuous, hp, rpm, in.Hg., at:
Rated press. alt (ft.) 260-3050-35.5-6600
Sea level press. alt. (ft.) 260-3050-36.7- S.L.
Takeoff (5 min.), hp, rpm, in.Hg., at:
Rated press, alt. (ft.) 300-3400-38.5-6400
Sea level press, alt. (ft.) 300-3400-39.5- S.L.
Fuel (Min. grade aviation gasoline) 91/98
Bore and stroke, in. 4.875 X 3.875
Displacement, cu. in. 434
Supercharging ratio 8.3:1
Compression ratio 7.3:1
Weight (dry), lbs. 488 (-B), 496 (-B2)
C.G. location (dry)
From front face of thrust nut, in. 22.91 (-B), 22.60 (-B2)
Off propeller shaft C.L., in. 0.54 (-B), 0.51 (-B) below
0.26 (-B2), 0.22 (-B) left
Propeller shaft, SAE No. 20 Spline
Carburetion* PS-7BDE
Ignition, Dual+ S6RN-51 & S6RN-50 magneto
Timing, BTC 25
Spark plugs Auto Lite SH-2K, SH-2M,
SH-20, SH-20A
NOTES 1, 2, 3, 4
+TCM formerly Bendix Scintilla
*PAC formerly Bendix
Certification basis Type Certificate No. 276
Production basis Production Certificate No. 3
NOTE 1. Maximum permissible temperatures:
E-276 2
Cylinder Head
(Well type)
Cylinder Base
Oil Inlet
475F 325 F 225 F
NOTE 2.
Min . Max.
Fuel Pressure Limits 9 psi 15 psi
Oil Pressure Limits (Normal Operation)
(Idling 25 psi)
65 psi 85 psi
NOTE 3. The following accessory provisions are provided:
Accessory
GSO-435-B
GSO-435-B2
Direction of
Rotation
Facing
Engine Pad
Speed X
Crank Shaft
RPM
Maximum Torque
(in.-lb.)
Maximum Overhang
Moment
(in.-lb.)
Cont. Static
Starter X C 1.000:1 - 12000 300
Generator X C 2.600:1 500 2200 400
Fuel Pump X CC .803:1 25 450 25
Vac. Pump X C 1.219:1 200 800 25
Hyd. Pump X C 1.083:1 300 1650 75
Tachometer X C .50:1 7 50 -
Prop. Governor X* C .801:1 125 825 -
*GSO-435-B2 Model only.
NOTE 4. Model GSO-435-B2 is similar to Model GSO-435-B except it incorporates provisions for nose mounted
propeller governor.
....END....