Stabilising A Model Aircraft Around The Lateral (Pitch) Axis - ROBBE RO-WING 300 Notice D'utilisation

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Operating instructions

Order No.

Gyro RO-WING-300

8418

The RO-WING 300 is not an auto-pilot; it does not maintain a given altitude and a pre-deter-

mined heading. Instead it measures the rate of rotational movement around one axis and

attempts to eliminate this rotation as rapidly as possible.

Using this gyro in a fixed-wing model in order to stabilise the longitudinal axis provides

many benefits to the pilot. In gusty weather the RO-WING 300 gyro is a great help, becau-

se it responds with complete reliability to unwanted movements of the model around the

longitudinal axis, and without any significant lag in response time. If a sudden gust of wind

lifts one wing, the gyro quickly and decisively counteracts that movement, so that the pilot

often does not even notice that a gust has occurred. At take-off time and on landing the

influence of a gyro is particularly useful, as air turbulence is very common close to the gro-

und. If you are used to "fighting" the model onto the ground, you will immediately notice that

the model is much smoother, and seems to be flying in completely neutral air.

If you install the RO-WING 300 in an aileron-equipped glider with little or no dihedral, you

can expect a marked improvement in the model's circling characteristics; often to the extent

that a "difficult" model is transformed into one which circles smoothly and easily in a ther-

mal, with little effort from the pilot. The gyro reliably maintains the wing's angle of bank and

prevents the glider tending to turn away from the rising air. However, when searching for

thermals you should reduce the gain of the gyro to a low level, as you will want to detect lift

by watching for one wing to rise, and the gyro will prevent this happening if the gain is high.

Once you have found your thermal, increase the gain, and the gyro will have the expected

positive effect on the model's handling.

If you wish to aero-tow a glider, fitting the RO-WING 300 makes for a much smoother tow,

which also looks far more realistic in the air. The two pilots can now concentrate fully on the

flying, without having to worry about compensating for gusts. Similar advantages are appa-

rent when using a gyro-equipped trainer.