5
Taurus 50
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Note:
it may be necessary to fit the silencer retaining
screws at this point; this depends on the type of motor you
are using.
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Install the motor from underneath. The starter shaft must
engage in the clamping roller freewheel which is an integral
part of the clutch.
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Fix the motor mount to the frame on both sides using the
retainers (washers) and screws.
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Align the motor carefully, then tighten the screws.
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Install the hexagon starter driver. Check that the starter
shaft rotates freely.
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Connect the motor to the fueltank using fuel tubing. We
recommend using a fuel filter, e.g. No. 6009.
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Install the silencer and gasket, using the screws, three
circlips and nuts.
Stage 2: Installing the tail boom and toothed belt
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Before installing the tail boom loosen the pre-fitted screws
in the chassis, as this makes it easier to slide the boom
into position.
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When fitting the tail rotor drive belt note the direction of
rotation as shown in sketch „B“.
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Set the correct belt tension by carefully pulling the tail
boom back as shown in sketch „A“.
Caution:
don’t over-
tighten the belt - light pressure should push it in slightly.
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Tighten the four retaining screws.
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The two grubscrews which secure the tail boom should not
be tightened until the vertical stabiliser has been fitted and
aligned (Stage 3).
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Caution:
ensure that the tail boom is not pushed out of
shape when you tighten the screws.
Stage 3: stabiliser panels, tail boom braces and tail rotor
pushrod
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Fix the vertical stabiliser to the tail rotor gearbox using two
M3 x 10 socket-head cap screws.
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Attach the tail boom braces to the chassis using two M3 x
10 socket-head cap screws. Align the horizontal stabiliser
mount and tighten the screws before fitting the horizontal
stabiliser.
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Align the tail boom with the help of the vertical stabiliser,
and tighten the grubscrews in the chassis.
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Note:
in the interests of clarity the servos are shown
already installed.
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Attach a ball-link to one end of the tail rotor pushrod.
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Position the pushrod guides and spherical bushes on the
tail boom following the dimensions stated in the drawing.
Caution:
note the positions „A“, „B“ and „C“ of the balls as
shown in the drawing.
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The spherical bushes must be free to swivel when the
pushrod guides have been installed and the screws
tightened.
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Thread the tail rotor pushrod through the guides from the
tail end, and connect the ball-link to the tail rotor actuating
lever.
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Check that the pushrod runs in a straight line and moves
smoothly; if necessary rotate the pushrod guides until this
is the case.
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Fix the horizontal stabiliser to its mount using two M3 x 10
socket-head cap screws.
Stage 4: installing the servos
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Press the rubber grommets into the servo mounting lugs.
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Install the servos and fix them to the chassis using 2.6 Ø x
12 mm self-tapping screws and washers.
Stage 5: installing the pushrods
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Attach the flanged linkage balls to the servo output arms
as shown in the drawings, using M2 x 8 countersunk
screws and hexagon nuts. Secure the nuts with Loctite,
No. 5074.
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Fit the output arms on the servos.
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Connect the pre-assembled pushrods to the linkage balls
as shown.
Note:
the motor’s throttle arm is shown at the centre
position.
Stage 6: installing the receiving system
Note:
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The location of the receiving system components (battery,
receiver and gyro) shown in the drawing is only a
suggested installation. You may prefer a different
arrangement to suit your radio control system.
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Fix the receiver, gyro electronics and battery in place using
foam, double-sided tape or soft foam rubber to reduce the
effects of vibration.
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Suitable methods of mounting include:
Double-sided foam tape, No. 5014, foam rubber hose, No.
S3086, or damping mat, No. S3087 plus rubber bands.
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The gyro element must be mounted with vibration-
absorbing material, but must be firmly located relative to
the mechanics.
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A good solution is to use double-sided foam tape, No.
5014, or the double-sided tape supplied with the gyro.
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Ensure when deploying all the leads that they do not chafe
on or foul the mechanics.
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It is important that none of the plug and socket
connections should be under constant tension.
