Century Helicopter Products Raven 50 V2 Spécifications télécharger pdf (Page 7)

From parts bag 1: Iznsert

the Feathering Shaft into

the head block, slide one

M6X10 Washer on each side of

the shaft. Install the blade grip ( Note

the direction of the bell mixer arm )

followed by one M8x13 Washer,

one M6x12 Thrust Ball Bearing

( install the first steel washer

(large inside diameter)

followed by the ball race,

remember to grease the ball

race, followed by the second

steel washer (smaller inside

diameter) and one M5

Locknut. Tighten the

locknut, using the glow

plug socket wrench on

one nut while holding

the other with pliers,

tighten the nuts until both blade

grips turn freely without any excessive end

play. Assemble Pushrod I x 2, according to the

table in the box, measuring 26mm center to center following the diagram on

page 30, and connect the seesaw ball to the long ball on the bell mixer.

Feathering Shaft

[HW3180A]

From parts bag 1: R30 insert the slide

tube into the bell mixer arm (Note:

the oilite bearings

are pre-installed) and secure

onto the blade grip with one

M3x16 Socket Cap screw and

M3x7 Flat washer. R50 install

one Long Ball and one Short Ball (Tip

2) into the Bell Mixer, press one

3x7mm Ball Bearing into one side

followed by one 3x5mm spacer and the

one more bearing from the opposite

side. Insert one M3x16 Socket Cap

Screw (Tip 4) through the arm (make

sure the flush side faces out) with one

3x5x0.5 Washer being careful not to

overtighten the screw. File the bolt

flush to the inside of the blade grip

mount. Install two M6x13 Ball Bear-

ings into both ends of the blade grip

assembly. Complete the second blade

grip in exactly the same way.

STEP 3 Main Blade Grip Assembly

3D setup = 26mm

Long Ball

M6x10 Flat

Washer x 2

Short Ball

Main Rotor Blade Grip

from Step 3

M8x13 Flat

Washer x 2

M5 Lock-

nut x 2

Top of blade

grip has Bevel.

STEP 4 Feathering Spindle & Blade Grip Assembly

6x12 Thrust Ball

Bearing x 2

[BB1260T]

See page 30 for

referrence.

Pushrod (I x 2)

Beginner = 28mm

Rotor Head Setup

26-28mm

M3x7 Flat

Washer

6x13 Ball Bearing

[CNBB1360]

Main Rotor

Blade Grip

[HI3184]

M3x5x3

Spacer

M3x16 Socket

Cap Screw

3x5x0.5

Washer

Short Ball

[CNLR1014]

Bell Mixer Arm

[HI3189A]

Long Ball

[CNLR1016A]

3x7 Ball

Bearing x 2

[CNBB0730]

Slide Tube

Oilite

Bushing

Bell Mixer Arm

[HI3189]

R-30

R-50

Travel Adjustment ( endpoints )

Using endpoints to adjust to the limits of how far the servo is allowed to move is very convenient for fast set-up.

If binding occurs simply reduce the travel in that direction. ** Note: by changing one side only (high or low

stick) the servo travel is no longer linear which will tend to make that control surface unstable. It is better to set

the high/low adjustments the same, or make actual pushrod adjustments.

Sub Trims

The sub trims on the outside of

your transmitter are used to fine

tune the servo center positions

while testing or in-flight. If the

trim has to be moved more than

2-3 divisions then readjust the

linkage length to set the trim

back in the center.

Exponential

The exponential function

allows adjustment of how

sensitive the cyclic controls are

when the machine is hovering.

This should be left at 0%

(linear) until all trimming is

complete.

Pitch & Throttle Curve Adjustments

The ultimate goal for adjusting the curves on your heli-

copter is to reduce how much the tail rotor moves during

flight and aerobatics. This leads to maintaining a consis-

tent main rotor RPM which can only be achieved through

adjusting the individual values which control the pitch

and throttle at a given stick position.

Dual Rates

For beginners ( using the flybar weights )

the dual rate values should be set at 100%

for both switch positions until hovering

has been mastered.

Normal position: (high rate) 100%

Switch position 1: (low rate) 75%

Now that the servo installation into the helicopter is finished the following pages should be reviewed. As

various types of radios can be used to setup the helicopter, some of the following information may not apply.

Final Adjustments - Radio Setup

Pitch Curve Adjustment

The following chart shows the values for the collective

pitch measured in degrees which are made on the heli-

copter using a pitch gauge. The Travel Adjustment

function (if available makes these settings easy).

For the beginner it is recommended to set the low stick

position to 0 degrees to avoid damaging the helicopter

while reducing the power during the first few flights.

These settings will need slight adjustment to keep the

helicopter at a consistent height at mid stick.

Flight Setup Method Low Pitch Hovering High Pitch

Mode (low stick) (mid stick) (high stick)

N Beginner 0 5 9

N Hovering -2 5.5 9

1 Stunt & Aerobatics -10 5.5 10

2 3D** -10 0 10

H Autorotation -10 5 12

Pitch Curve Values (by degrees)

( N - Normal flight mode, 1 - Stunt mode one, 2 - Stunt mode two,

H - Throttle hold-autorotation )

Note** In order to avoid binding at high pitch angles the flybar control

arms need to be reset at an angle of 10-15 degrees down from parallel.

Servo Direction (Servo Reversing)

Check that all servos move in the correct

directions, see the diagrams on pg 31-34.

1 2 3 4 5 6 7 8 9 10 11 12 ... 21 22

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Century Helicopter Products Raven 50 V2 Spécifications Page 7

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