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09-6. Adiusting the rotation speed of the main blade
This seclion descr bes how io adjust the rotation speed of the main blade by
adjusung the main blade pitch.
With the S.R.B., you can check the rotalion speed of the rnain blade while
hovering by looking at the LED display.
Confirm thai the approprlate rotation speed has been reached before
adjusUng.
The rotation speed of the S.R.B. s main blade while hovering is around 1,800
to 1,900 rpm. The LED w ll lurn red once the speed is within this range.
IProcedures]
O Turn on the power oi the transmitter.
@ Place the Lrnit on a flat surface, and turn on the power switch. Do not move
the unit unti the flashlng green LED turns to a solid green.
O Press the slart switch (with the transmitter throttle stick at the lowest
posilion). Ho d the un t in your hand and gently increase the throtlle speed
uniil hovering speed is feached and a rotation speed, where the unil is just
ab e io ift iiself, is reached.
When the rotation speed is righli
hl up. -
This indicates the right rotation speed has
been reached, and there is no problem.
Check the rciation speed with
li lhe red LED does not come on even though the hovering speed has been
reached, slop the unit and adjust the pitch angle adjustment screws of the
lwo main blades by turning each of them by the same number of rotations.
n
:
.- Fed LED tLrns ofl
d n"o reo ignt" rp
a LED lLrns ofi
When the rotation speed is too high:
s on ard lhen oft before hovering speed is reached, it
)tation speed is too high.
adjust the pitch angle by turning ihe pitch angle
'ew to the right to reduce the rota:ion speed.
When the rotation speed is too low:
rnot flash ot turn on even once, the rotaiion speed is
adiust the pitch angle by turning the pitch angle
:w to the left to increase the rolation sDeed.
This part wiL move when
(Pointl
OBe sure to turn equally both
of the two pitch angle
adjustment screws.
Use the Philips screwdriver.
ACaution
aDo not turn the pitch angle
adjustment screws too tight. lf
you do, you can damage their
threads. Moreovei please note
that they are fixed with a
special kind of nut known as a
Iock nut so that they cannot be
disassembled.
alf the pitch angte adiustment
screws of the two main blades
are
turned
by
diflerenl
amounts of
rotations, the
tracking will be out of position.
lf you are unsure of the
trackino. check this area to see
at about the
same angle, and readiust them
until bolh appear to be at the
same angte.
The red LED will lig
lf ihe red LED turns ol
indicaies that lhe rotati
--tln such cases, ad
adjustment screw
li the red LED does n(
-+ln such cases, ad
adjustment screw
Pilch angle adjLstnent screw
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