- Continental O-300
-
O-300 Rolls-Royce Continental O-300 on display at the Solent Sky museum, England. Type Piston aircraft engine National origin USA Manufacturer Continental Motors Developed from Continental C-125 The Continental O-300 and the C-145 are a family of air-cooled flat-6 aircraft piston engines built by Teledyne Continental Motors.[1]
First produced in 1947, versions were still in production as of 2004[update]. It was produced under licence in the United Kingdom by Rolls-Royce in the 1960s.
Contents
Development
The C-145 was developed from the 125 hp (93 kW) C-125 engine. Both powerplants share the same crankcase, although the C-145 produces an additional 20 hp (15 kW) through a longer piston stroke, higher compression ratio of 7.0:1 and different carburetor jetting.[1]
The O-300 is a modernized C-145 and retains the same weight, dimensions, bore, stroke, compression ratio, displacement and output power of the earlier engine.[1]
GO-300
The GO-300 employs a reduction gearbox, so that the engine turns at 3200 rpm to produce a propeller rpm of 2400. The GO-300 produces 175 hp (130 kW) whereas the ungeared O-300 produces 145 hp (108 kW).[1]
The GO-300 engine has a TBO (Time Between Overhaul) of only 1200 hours, while 1800 hours is the standard for ungeared O-300 engines. The GO-300 engine also suffered reliability problems as a result of pilots mishandling the engine and operating it at too low an engine rpm. This caused the Cessna Skylark to develop a poor reputation for engine reliability. Many Skylarks flying today have been converted to different larger displacement direct drive engines.[2]
Variants
- C-145
- Six-cylinder, 145 hp (108 kW), direct-drive engine[1]
- O-300
- Modernized C-145, 145 hp (108 kW), direct drive engine[1]
- GO-300
- Geared O-300, 175 hp (130 kW) at 3200 crankshaft rpm, 2400 propeller rpm[1]
- Voyager 300
- Liquid-cooled, fuel-injected version developing 170 hp (127 kW) at 2,700 rpm.
Applications
Cessna 175 showing the cowling bulge behind the propeller hub created by the GO-300 reduction gearboxO-300
- Aeronca Sedan
- Baumann Brigadier
- Cessna 160 - intended for production model[3]
- Cessna 170
- Cessna 172 and T-41 Mescalero
- Maule M-4
- Meyers MAC-145
- Taylorcraft 15
- Temco TE-1A
- Globe Swift
GO-300
- Cessna 175
- Goodyear GZ-19 and GZ-19A
Voyager 300
- Alexeev Strizh
Specifications (O-300)
Reference: Engines for Homebuilt Aircraft & Ultralights[1]
General characteristics
- Type: 6-cylinder air-cooled horizontally opposed aircraft piston engine
- Bore: 4.0625 in (103.2 mm)
- Stroke: 3.875 in (98.4 mm)
- Displacement: 301.4 in³ (4.94 L)
- Length: 39.75 in (101.0 cm)
- Width: 31.5 in (80.0 cm)
- Height: 23.25 in (59.0 cm)
- Dry weight: 268 lbs (121.5 kg) dry, without starter or generator
Components
- Cooling system: Air-cooled
Performance
- Power output: 145 hp (108 kW) at 2,700 rpm
- Specific power: 0.58 hp/in³ (26.5 kW/l)
- Compression ratio: 7.0:1
- Power-to-weight ratio: 0.54 hp/lb (0.89 kW/kg)
See also
- Related lists
References
- ^ a b c d e f g h Christy, Joe: Engines for Homebuilt Aircraft & Ultralights, pages 60-63. TAB Books, 1983. ISBN 0-8306-2347-7
- ^ Perdue, Scott (undated). "A Lark That Won’t Quit". http://www.planeandpilotmag.com/aircraft/pilot-reports/cessna/a-lark-that-wont-quit.html?start=1. Retrieved 2008-12-19.
- ^ Murphy, Daryl (2006). "The Cessnas that got away". http://www.wingsoverkansas.com/features/article.asp?id=461. Retrieved 2008-12-22.
Continental Motors aircraft engines Opposed piston engines By company horsepower designation
A40 · A50 · A65 · A75 · A80 · C75 · C85 · C90 · C115 · C125 · C140 · C145 · E165 · E185 · E225 · Tiara series
By displacement
O-170 · O-190 · O-200 · O-205 · O-240 · O-280 · O-300 · IO-346 · IO-360 · IO-368 · O-470 · O-520 · IO-550
Aircraft diesel engines
Continental TD-300Radial engines and Inverted-V engines Turboprops TP-500
United States military piston aircraft engine designation system H (four-bank
H-configuration inline)I (inverted-V inline) L (single-bank inline) O (opposed) O-145 · O-150 · O-170 · O-175 · O-190 · O-200 (C) · O-200 (F) · O-205 · O-233 · O-235 · O-240 · O-280 · O-290 · O-300 (C) · O-300 (F) · O-320 · O-335 · O-340 · O-346 · O-350 · O-360 (C) · O-360 (L) · O-390 · O-425 · O-435 · O-470 · O-480 · O-520 · O-540 (F) · O-540 (L) · O-541 · O-550 · O-580 · O-720 · O-805 · O-1230
R (radial) R-265 · R-370 · R-370 · R-420 · R-440 · R-500 · R-540 · R-540 · R-545 · R-550 · R-600 · R-670 · R-680 · R-720 · R-755 · R-760 · R-790 · R-830 · R-915 · R-975 · R-980 · R-985 · R-1200 · R-1300 · R-1340 · R-1454 · R-1510 · R-1535 · R-1670 · R-1690 · R-1820 · R-1830 · R-1850 · R-1860 · R-2000 · R-2060 · R-2160 · R-2180 · R-2270 · R-2600 · R-2800 · R-3350 · R-4090 · R-4360 · XR-7755
V (upright-V inline) W (three-bank
W-configuration inline)W-2779
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- Aircraft piston engines 1940-1949
- Continental aircraft engines
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