Continental 470 Series AvGas Engine

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    Continental 470 AvGas Engine Series  
    Continental 470 AvGas Engine Series: Side View  
     

    You’ll often hear pilots referring to the Continental® O-470 in reverent tones as “old reliable”. Powering the majority of Cessna® 180 and 182 aircraft from 1953 through 1986, this workhorse of an engine embodies simplicity, efficiency, and ruggedness. Its track record speaks louder than words: the 470 is a brawny power plant. In fact, some versions make full power at a smooth, quiet 2400 RPM. Ranging in output from 230 to 260 horsepower, the 470 engines come equipped with either a reliable carburetor or our extremely efficient continuous flow fuel injection system. Confidence among pilots can be difficult to achieve, but if there was an award for one of the most trusted aircraft engines in the sky, the 470 series would win hands down. Just ask any pilot or owner of one.


    THE 470 SERIES IS A FAMILY OF AIR COOLED, NATURALLY ASPIRATED, HORIZONTALLY OPPOSED, 6-CYLINDER, GASOLINE, FUEL INJECTED, SPARK IGNITION, FOUR-STROKE, DIRECT DRIVE, RIGHT (CW) ROTATING, AIRCRAFT ENGINE WITH MANUAL ENGINE CONTROLS FOR FIXED WING AIRCRAFT.


    Certified Fuels

    80/87, 91/96, 100/100LL AvGas

    Displacement

    7722 cm³471 in³

    Power

    172 to 194 kW230 to 260 HP

    Maximum Rated RPM

    2400 to 2625 r/min2400 to 2625 rpm

    Bore

    127.0 mm5.00 in

    Stroke

    101.6 mm4.00 in

    Compression Ratio

    7.0:1 to 8.6:1

    Height

    501.7 to 721.9 mm19.75 to 28.42 in

    Width

    846.2 to 852.9 mm33.32 to 33.58 in

    Length

    915.2 to 1197.9 mm36.03 to 47.16 in

    Dry Weight

    191.5 to 211.1 kg422.2 to 465.5 lbs

    Time Between Overhaul

    1700 to 2200 * hrs

     

    * Most engine models manufactured after February 2012 have a TBO increase of 200 hours. Engines used in frequent type service have an additional 200 hour increase. See Service Information Letter SIL98-9B for details.

    Continental® 470 Series Details

    Model # CYL Rated Power1 Bore x Stroke Displacement Dry Weight2 Certified Fuel Grade Compression Ratio Time Between Overhaul (TBO)3  FAA
    TCDS
    O-470-R, S 6 172 kW @ 2600 127.0 x 101.6 mm 7722 cm³ 193.6 kg 80/87 7.0:1 Up to 1900 hrs or
    12 years
    E-273
    230 HP @ 2600 5.00 x 4.00 in 471 in³ 426.8 lbs
    O-470-U 6 172 kW @ 2400 127.0 x 101.6 mm 7722 cm³ 191.5 kg 100/100LL 8.6:1 Up to 2400 hrs or
    12 years
    E-273
    230 HP @ 2400 5.00 x 4.00 in 471 in³ 422.2 lbs
    IO-470-L 6 194 kW @ 2625 127.0 x 101.6 mm 7722 cm³ 211.1 kg 100/100LL 8.6:1 Up to 1900 hrs or
    12 years
    3E1
    260 HP @ 2625 5.00 x 4.00 in 471 in³ 465.5 lbs
    IO-470-N 6 194 kW @ 2625 127.0 x 101.6 mm 7722 cm³ 207 kg 100/100LL 8.6:1 Up to 1900 hrs or
    12 years
    3E1
    260 HP @ 2625 5.00 x 4.00 in 471 in³ 456 lbs
    IO-470-U, VO 6 194 kW @ 2625 127.0 x 101.6 mm 7722 cm³ 203.2 kg 100/100LL 8.6:1 Up to 1900 hrs or
    12 years
    3E1
    260 HP @ 2625 5.00 x 4.00 in 471 in³ 447.8 lbs

    1. Engine rated power at sea level standard day inlet conditions (29.92 in Hg, 59°F, 0 water vapor) with maximum allowable cylinder head and oil temperatures with full rich (maximum) fuel flow. 

    2. Typical engine weight including all accessories. 

    3. See Maintenance Manual M-0 for details and applicability.




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