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Tips & Tricks -
Calming down a helicopter when you do not have a computer
quite an easy thing to do, and many beginners would do well to use this
trick to make their helicopter a lot less jumpy while they are learning
If you have
a computer radio such as a Spektrum DX6i or Futaba or JR, you would do
this very easily by adjusting what is called the Exponential, so that it
takes more movement of the cyclic stick around the centre point to make
the servo move a given difference. Once outside that area the
servo will move faster for the same movement so that you still have full
servo arm travel.
such as those that come with many helicopter kits today do not have any
such adjustment, but we can still tame the "wild beast" down quite
a bit to make it easier for you to learn to hover and/or fly.
need to do first is to measure the diameter of your helicopters
flybar. Next, find a collet that has the correct internal
diameter, and is held in position by a grub screw of some
form. Most LHS will have some of these as they are used a
lot in fixed wing aircraft (planks)
You may need
up to 4 collets, so make sure you get enough. Remove the Flybar
Paddles of each end of the flybar, but before doing so mark the position
of the inside edge of the blade so that you can refit it in the same
place afterwards. For the first attempt, slide two collets over
the flybar, and nip them in position, the outer one having it's
outside edge on the mark you made for the paddle blade, and the other
one inside that.
process on the other side, and then refit the paddle blades, making sure
once it is all tightened up that both paddles are exactly the same
distance away from the central hub of the flybar carrier.
What we have
done basically is to add quite a bit of extra weight to the flybar
paddles, and this is what softens the handling down.
your helicopter to the hover, and see how it responds to cyclic
inputs. If it is TOO soft, remove one of the collets from BOTH
make your helicopter a lot more gentle and easier to hover.