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REVO Pitch-rudder mixing function (HELI only)
This mix adds rudder in conjunction with pitch. This helps compensate for rotation of the helicopter caused by the increased
engine torque. (Never use revo. mixing with a heading-hold/AVCS gyro which is in heading hold/AVCS mode. However, revo.
mixing is still used when a heading-hold/AVCS gyro is in normal mode.)
To set the REVO mixing:
1. Enter the programming mode and use the MODE key to access the
“REVO”
function.
2. Push the DATA INPUT lever upward for 0.5 seconds. This will cause the flashing
“INH”
display to change to a flashing
“ON”
display. Now the
“REVO”
function is on.
3. Push the SELECT key once. This will cause the flashing “%” symbol on the display. It can
set mixing amount on throttle stick hi side and low side separately. When you move the
throttle stick to the low side from neutral, the arrow indicates down direction. Then push up
or down DATA INPUT lever to set the mixing amount of the low side. When you move the
throttle stick to the high side from neutral, the arrow indicates up direction. Then push up or
down DATA INPUT lever to set the mixing amount of the low side.
5SEDWITHRUDDER
YAWAXIS
GYRO Gyro mixing function (HELI only)
GYROS
: Using electronics to take some of the complexity out of setups and flight.
What is a gyro? A gyroscope is an electronic unit that senses rotational
movement and corrects for it. For example, if the wind blows your helicopter’s tail
to the left, a gyro will sense that motion (and confirm that no input was given)
and will correct for it.
How does it help in helicopter setup? A good gyro will totally eliminate the need
for revo. mixing. The gyro will sense and correct the unwanted motion for you, so
you don’ t have to spend time to get a complex curve operating properly.
Gyro sensor kinds: There are many different kinds of gyros. Early gyros were mechanical, with a spinning drum similar to a
child’s gyroscope toy. The next generation utilized a special type of crystal, called piezoelectric, which sensed the motion and
provided an electrical pulse. The finest gyros at the time of this writing are SMM technology. These silicone micro machines,
or computer chips, sense the motion. SMM is far more accurate and less susceptible to inaccuracies caused by temperature
changes, etc.
Choosing the right gyro for your skills, your helicopter, and your budget:
• Mechanical: some are still available. They are very challenging to set up and not as reliable as piezo or SMM.
• Non-Heading-Hold Piezo: these are now inexpensive gyros that are reliable and easy to set up. Some have dual rates and
remote gain control to adjust sensitivity in flight. Lack heading-hold capabilities for precision flying.
• Heading-Hold Piezo: Until recently, the cream of the crop. Expensive, and more complex to set up. Adds GPS-like heading
recognition. Exhibits minor difficulties with temperature drift (position setting varying with unit’s temperature).
• Heading-Hold SMM: 21st Century gyro technology. Computer chip technology. Expensive, easier set up, higher durability.
Significant decrease in temperature sensitivity. Many include frame rate settings to allow faster response when using
