Diamond DA20-C1 - 7.9. POWERPLANT

DA20-C1 Flight Manual Description
Doc # DA202-C1 April 06, 2010 Page 7 - 14
7.9. POWERPLANT
7.9.1. Engine
DA20-C1 aircraft are equipped with the Continental IO-240-B engine. The IO-240-B is a fuel
injected, 4 cylinder, 4 stroke engine with horizontally opposed, air cooled cylinders and heads.
The propeller drive is direct from the crankshaft.
Displacement: 239.8 cu.in. (3.9 liters)
Max. Continuous Power: 125 HP / 93.25 kW at 2800 RPM
Additional information can be found in the Engine Operating Manual.
The powerplant instruments are located on the instrument panel on the co-pilot's side. The
ignition switch is a key switch located on the instrument panel in front of the pilot. The ignition is
turned on by turning the key to position BOTH. The starter is operated by turning the switch
against the spring loaded start position. The engine is shut off by moving the mixture control to
the idle cutoff position then turning the ignition switch to the off position.
The DA20-C1 may be equipped with an optional altitude compensating fuel pump. A placard on
the instrument panel indicates if this system is installed. With this system it is not necessary to
manually lean the mixture with altitude.
7.9.2. Engine Controls
The Mixture, Throttle, and Alternate Air Control levers are grouped together in the center
console. The tension/friction for the controls can be adjusted using the friction knob located on
the right side of the center console.
Mixture Lever: right lever with red cylindrical handle and integral lock out lever
lever full forward = Full Rich
lever full aft = Idle Cutoff
The mixture control lever features a safety lock which prevents inadvertent leaning of the
mixture. To release, squeeze the safety lock lever and the control knob together.
Throttle: center lever with "T" handle
lever full forward = FULL throttle
lever full aft = IDLE
Alternate Air: left lever with square handle
lever full forward = Primary air intake
lever full aft = Alternate air intake
Revision 25
The alternate air control selects a second induction air intake in case of restriction of the primary
air intake (filter).