Harry Manvel

  • Harry Manvel
    Harry Manvel
    Harry Manvel

    Airframe Type

    Twin Velocity

    IOX-320

    Maximum Continuous HP154 / 164 / 167

    Max. RPM @ full power2.700

    Maximum Recommended TBO (hours)2,400

    Number of Cylinders4

    Bore (inches)5.125

    Stroke (inches)3.875

    Displacement (cubic inches)319.7

    Compression Ratio7.0:1 / 8.5:1 / 9.0:1

    CHT - maximum475° F

    CHT at max. cruise (recommended)425° F

    Spark Plug Boss

    18mm / 14mm

    Fuel

    Delivery SystemFuel Injection AFP-150

    Aviation Grade, Octane (recommended)
    100/100LL

    Dimensions

    Height (inches)24.80

    Width (inches)32.27

    Length (inches)29.07

    Weight

    (estimated dry weight in lbs.)238

    Oil Temperature

    Desired T/O180°F

    Maximum Oil Temperature T/O245°F

    Normal Operating Oil Pressure,
    psi (Max/Min/Idle)90 / 60 / 25

    Engine Mount

    Dynafocal Type 1 (Conical optional)

    Propeller

    Constant Speed (Fixed Pitch optional)

    Prop Governor

    LocationRight Rear

    Crankshaft

    Flange.38 thick

    Stroke3.875

    Bushings (prop bolt size)1/16-20 UNF

    Oil Capacity8 quarts

    Induction PlenumWarm / Cold

    MaterialMag / Aluminum

    Base Price (without iginition)

    Subject to change$22,679.00

  • Twin Velocity™ is a trademark of Velocity, Inc.