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D10 - RADIO - What are the
swash plate settings use for ??
there are two types of radios available on the market today, those
that have fixed settings that yu cannot adjust such as the Esky
offerings with the Belt CPx (and others) range, and the more
expensive computerised radios that allow you to configure almost
everything you might wish to to make the helicopter fly better, or
to suit your skill level better.
plate setting that is the point of this article, is only available
in computerised radios.
When you go
into your radios configuration menu, you will normally find a SWASH
SETTINGS option somewhere. If you don't it will almost certainly be
because your helicopter does not use CCPM mixing, but rather uses
what is known as Single Servo setup.
So if your
helicopter uses CCPM (and a great many do) you can access the SWASH
SETTINGS menu, and will find 3 items that you can change the values
for. These are usually named Aileron, Elevator &
Pitch. The range of values are typically from -100% to +100%.
the Aileron and/or Elevator values, you increase the total amount of
movement of the swash plate for those inputs. When you are setting
up a helicopter correctly and for the first time, you may well have
to change these values from a positive value to a similar negative
value to make the swash plate move in the correct direction.
You may also have to use the Servo reverse configuration in
conjunction with this to achieve the correct movement.
Most of us
start off by using these two configuration options to get the swash
plate moving up and down in the correct direction, and staying
exactly level as it does so. The larger (or smaller if a
negative value) you set these to, the more swash plate movement it
will have, which means it will be more difficult to fly for a new
pilot. Typical setting for these are around 60% positive or
negative as necessary. One point to note is that you should
NEVER use different values for the aileron and elevator, other than
that possibly the sign is different. eg: Aileron = +60%
Elevator = - 60%. If you set the values to be different, the
swash plate will have more movement in the higher value direction
than the other, which usually leads to problems with the swash plate
NOT staying level when you move only the throttle stick.
Once you have
the swash moving up and down nice and level, you then need to check
that the Aileron and Elevator inputs also move the swash in the
correct direction. Again you can change the sign from - to +
or vice versa to achieve this, or you may also need to use the servo
reverse options as well. Keep going until you get it all right
using these 2 configuration options
setting in the SWASH SETTINGS menu is for the Pitch. This lets
you control the maximum lowest and highest points that the swash
plate can go to. Naturally, if you are a 3D pilot and want +18
to -18 pitch range, you would set the pitch to -100% to + 100%, but
you need to take care that the maximum and minimum swash positions d
not make the swash plate bind on anything else.
to bear in mind when setting up the swash is that you can also
change these maximum movements to a large extent using the Travel or
End point configuration option as well.
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