Continental O-240

The {{convert|130|hp|kW|0|abbr=on}} O-240 was a new engine design derived from the six-cylinder Continental O-360 and introduced in 1971. It is generally similar in overall dimensions to the Continental O-200, but with a higher 8.5:1 compression ratio, designed to run on 100/130 avgas. The O-240 delivers 30% more power than the O-200 while it weighs only 12% more. It may be mounted in tractor or pusher configuration.Christy, Joe: Engines for Homebuilt Aircraft & Ultralights, pages 58-59. TAB Books, 1983. {{ISBN|0-8306-2347-7}}{{cite web|url = http://www.shanaberger.com/engines/O-240.htm|title = Continental O-240|accessdate = 2008-12-18|last = Shanaberger|first = Kenneth|year = 2008|archive-url = https://web.archive.org/web/20081010184200/http://www.shanaberger.com/engines/O-240.htm|archive-date = 2008-10-10|url-status = dead}}

The O-240 was produced under license in the United Kingdom by Rolls-Royce Limited and was used to power the Reims-Cessna FRA150 Aerobat, a more powerful aerobatic model of the Cessna 150 constructed in France by Reims Aviation under license.Gunston 1989, p.42. Rolls-Royce acquired the rights to the O-240, but not the IO-240 in 1977.

The fuel-injected IO-240-A and -B were introduced in 1993. The A and B versions differ only in the type of fuel injector used.

The IOF-240 is similar to the IO-240-B except that it employs an Aerosance FADEC system to control the ignition and fuel injection systems. The engine was not selected to power any production North American-manufactured aircraft until the Liberty XL2 entered production in 2006 powered by the IOF-240-B.

;O-240-A

:Dual ignition, {{convert|130|hp|kW|0|abbr=on}} at 2800 rpm, dry weight {{convert|246|lb|kg|0|abbr=on}} including starter and generator. Uses a Marvel-Schebler MA-3SPA IO 5067 carburetor. Certified 7 July 1971

;IO-240-A

:Dual ignition, {{convert|125|hp|kW|0|abbr=on}} at 2800 rpm, dry weight {{convert|246|lb|kg|0|abbr=on}}, uses a TCM 639231A27 fuel injector

;IO-240-B

:Dual ignition, {{convert|125|hp|kW|0|abbr=on}} at 2800 rpm, dry weight {{convert|246|lb|kg|0|abbr=on}}, uses a TCM 639231A34 fuel injector

;IOF-240-B

:Aerosance FADEC system controls the ignition and fuel injection systems, {{convert|125|hp|kW|0|abbr=on}} at 2800 rpm, dry weight {{convert|255|lb|kg|0|abbr=on}}

File:LibertyXL2N508XL04.jpg is equipped with a Continental IOF-240-B engine.]]

;O-240

• AESL Airtourer T3
• Reims Cessna FRA150 Aerobat ("R" meaning a Rolls-Royce-built O-240)
• Rutan Voyager (front engine)
• Practavia Sprite
• Rollason Condor (D62C)
• St Croix Pietenpol Aerial
• Tri-R KIS TR-1
• Warner Revolution II

;IO-240

• American Homebuilts John Doe
• Diamond DA20-C1
• Eagle Aircraft 150B
• Rans S-16 Shekari
• Roko Aero NG4

;IOF-240-B

• Issoire APM 40 Simba
• Liberty XL2

{{pistonspecs

|

|type="4-cylinder, air-cooled, naturally aspirated, horizontally opposed, fuel-injected, spark ignition, four-stroke, direct drive. The engine incorporates a full authority digital electronic control (FADEC) system to control the ignition and fuel injection functions."

|ref=TYPE CERTIFICATE DATA SHEET NO. E7SO

|bore=4.438 in (112.7 mm)

|stroke=3.875 in (98.4 mm)

|displacement=240 in³ (3.93 L)

|length=

|diameter=

|width=

|height=

|weight=255 lb (116 kg)

|valvetrain=One intake and one exhaust valve per cylinder

|supercharger=

|turbocharger=

|fuelsystem=Aerosance FADEC system

|fueltype= 100LL avgas

|oilsystem=

|coolingsystem=Air-cooled

|power=125 hp (93 kW) at 2,800 rpm

|specpower=0.52 hp/in³ (23.66 kW/L)

|compression=8.5:1

|fuelcon=

|specfuelcon=

|oilcon=

|power/weight=0.49 hp/lb (0.80 kW/kg)

}}

• Lycoming IO-233
• List of aircraft engines

{{commons category}}

{{reflist}}

{{refbegin}}

• Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. {{ISBN|1-85260-163-9}}

{{refend}}

{{Continental aeroengines}}

Category:1970s aircraft piston engines

Category:Boxer engines

O-240