Century Helicopter Products Raven 50 V2 Spécifications télécharger pdf (Page 17)

Step 18 Clutch, Fan & Engine Mounting

Clutch

Shoes

[HW3011]

M9x14 Flat

Washer

Engine ball

bearing

exposed.

Thrust Washer

or M9x14 FW

From parts bag 3, remove all parts

from the engine crankshaft until you

can see the front ball bearing, install

the 9x14mm Flat washer (or washer

provided by engine manufacturer),

insert the Ball Bearings into the

clutch bell assembly and place on the

crankshaft. Clean the threads (Tip 1)

on the crankshaft, engine nut and the

clutch, carefully apply threadlock on

the engine crankshaft threads nearest

the bearing (be careful not to get

threadlock into the ball bearings) and

on the threads in the clutch. Thread

the clutch until the crankshaft can be

seen and insert the fan keying it to the

clutch. Wrap a cloth over the fan

(provides grip to the fan without

breaking the fins) and tighten until

the clutch stops, torque an additional

1/16 of a turn. Using a Piston Lock

[CN2155 Optional Parts] makes this

easier. Secure the fan by placing one

6.5x13mm Washer and apply a liberal

amount of threadlock to secure the

nut that came with the engine from

the inside of the fan assembly. Again

only torque the nut 1/16th more.

Cooling Fan

[HI3009]

M5x13 Flat

Washer

Engine

Nut

(Optional Parts)

CN2153 Throttle Extension for

OS32-37 & TT39

CN2154 for OS50SX-H

M3x16CS

Machine Screw x 4

Engine

Assembly

with Fan

Secure the engine assembly on to the engine mount

(46/50 make sure the mount is installed with the holes

closest to the bottom of the engine) using four

3x16mm Socket Cap Screws using threadlock. From

bag 4, install the Throttle Extension by removing the

arm supplied on the engine. The arm has to be

repositioned to get equal throw, both open and closed

from 50%.

Engine Mount

[HW3017] - All 30

Throttle

Extension

[HW3204]

Throttle arm on Carburator

During final assembly wipe

all traces of oil or grease from

the inside surface of the

clutch lining. Any grease

here can cause a meltdown.

M12 x 18

Ball

Bearing x 2

[CNBB1812]

Aluminum

Clutch Bell

[HI3010A]

Pre-Assembled in kit.

Pinion Gear

26T

[HI3010B]

Step 19 Engine Mount & Throttle Lever

50%

Full Open Full Closed

Engine

Mount [HW3018]

OS 50

Note: Upright (Top) direction of mount.

Position two of the pushrod guides infront of the

horizontal fin and one behind. Attach the Horizontal

Fin on the tailboom using two 3x12mm Self Tapping

Screws through the fin, the fin mount and into the

Tailboom Clamp. Space the fin along the tailboom

at the position where the Tail Boom supports

intersect the tailboom. Note: the mount for the

strut is angled, test fit the strut to position the

clamp in the correct direction. Secure each strut

one at a time using one 3x8mm Self Tapping

Screw through the strut hole and into the horizon-

tal fin clamp. Attach the lower end to the outside

of the lower frame assembly using one 3x16mm

Socket Cap Screw inserted through the hole in the

strut, then add one 3mm plastic spacer and finally

through the hole in the lower side frames, secure

with a 3mm Locknut from the inside.

Horizontal Fin Set

[HI3067A]

M3X12 Self

Tapping Screw x 2

Tail Boom

Clamp

[HI3067A]

M3x16 Socket

Cap Screw

M3x8 Self

Tapping

Screw

Tail Boom

Support Struts

[HW3202B] - R30

[HW3202C] - R50

Step 38 Tail Fins & Support Struts

M3 Plastic Spacer

M3 Locknut

Ball links can be attached to both ends of the rudder pushrod and the pushrod guides can be adjusted in

position to get smooth actuation from the rudder servo to the tail rotor bellcrank. Once the pushrod moves

smoothly, apply a few drops of medium CA glue to bond the pushrod guides in place. It is extremely

important that the guides are bonded, as a loose pushrod guide will move, continually changing the center

or neutral position of the rudder channel. This will affect all other setup adjustmenst and make flying the

helicopter difficult to impossible.

Medium CA glue

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Century Helicopter Products Raven 50 V2 Spécifications Page 17

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