GRAUPNER Skalar Manual Download Page 51

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elektro

Skalar

Graupner

Order No.

Description

Dimensions

[mm]

No. off

reqd./pack

4475.05

Aluminium motor mount

4475.06

Motor pinion holder

, consisting of:

Follower disk, aluminium
Split taper collet, steel
Washer
Hexagon nut

Ø 8mm
Ø 8mm
M8x1

1
1
1
1

4475.07

Pinion, Delrin

28 Z. / Mod. 1 1

4475.08

Pinion, Delrin

32 Z. / Mod. 1 1

560.4

Washer

Ø3,2/8x0,5 4 / 10

565.10

Socket-head cap screw

M3x10

565.12

Socket-head cap screw

M3x12

566.5

Socket-head cap screw

M4x5

Summary of Contents for Skalar

Page 1: ...working RC helicopter but the model is by no means a harmless plaything It is a complex flying machine and if assembled incorrectly or handled incompetently or carelessly it can cause serious injury...

Page 2: ...tor the flight battery the selected rotor blades and the mechanical set up a typical example would be around 15 min utes with eight 4 8 Ah cells The flight batteries are positioned at the bottom of th...

Page 3: ...y parts which are naturally subject to wear including gearbox components motor ball links etc and this means that it is absolutely essential to check and maintain the model regularly It is standard pr...

Page 4: ...y and suitability of the substitute parts for the task We have made every effort to point out to you the dangers inherent in operating this model helicopter Since neither we the manufacturer nor the m...

Page 5: ...these instructions with the aim of ensuring that your model helicopter will fly reliably and safely Please take the trouble to follow the instructions step by step exactly as described as this guarant...

Page 6: ...ection 552 mm long Rotor 1261 mm Order No 1269 GRP symmetrical 552 mm long Rotor 1261 mm Order No 1271 GRP symmetrical 602 mm long Rotor 1361 mm supplied Radio control equipment see main Graupner cata...

Page 7: ...shaft slips within the inner ring and its diameter is worn down in the bearing area In this case the carefully set meshing clearance of any gears mounted on the shaft is lost i e the gears no longer...

Page 8: ...wdriver handle or similar or tap harder on the bearing holder until the races rotate freely When you are satisfied leave the bearing retainer fluid to cure fully Now fit a shim washer and the pinion 4...

Page 9: ...under the freewheel sleeve the bearing must be able to be moved along the shaft axially using moderate force but without beeing loose sliding fit Temporarily fit the layshaft assembly bet ween the mec...

Page 10: ...bearings Slide the circlip 4607 156 onto the main rotor shaft 4450 43 from the top end and allow it to snap into the channel please note the following The circlip must not be over stretched i e don t...

Page 11: ...cket head cap screws and check for axial play between the main rotor shaft and the bearings there should be none at all If necessary fit additional shim washers under the circlip to remove any lost mo...

Page 12: ...ews The upper bearing bracket features three pairs of threaded holes which in conjunction with the slots in the motor mount make it possible to attach the mo tor mount in a position to suit the variou...

Page 13: ...elektro Skalar 13...

Page 14: ...e 2 2 mm hole C one 3 mm hole First assemble the three CFRP plates to form the battery tray 4475 100 set the parts exactly at right angles and glue them together using cyano Attach the spacer washers...

Page 15: ...own and installed without the tubular spacers This may be advantageous if you intend installing the mechanical system in an enclosed fuselage Assemble the sub structure from the following components a...

Page 16: ...the sub structure side frames and fit the screws through them and the upper part frames with the on glued spacers into the mechanics side frames Tighten the screws in this position Undo the two M3 x 1...

Page 17: ...xact procedure is described in the instructions supplied with the speed controller and drive motor 1 9 Installing the flight batteries The flight packs are housed in the battery tray inside the mechan...

Page 18: ...ke up three pushrods as shown in the drawing using three threaded rods 1291 10 2 5 mm 75 mm long and six ball links 4618 155 the stated dimension refers to the free length bet ween the ball links One...

Page 19: ...es from the outside see drawing output shafts at the top again and secure them with four screws each Connect the servos to the receiver in the sequence described in the radio control system instructio...

Page 20: ...s to secure it Wrap the leads with spiral tubing and fix them to the mechanics using cable ties The cables must not be under tension or strain must not be able to touch any moving or rotating parts an...

Page 21: ...ock fluid gets into the bearings Screw the mixer levers to the blade holders in this way and check that the brass spacer washer is fitted between the inner ballrace and the blade pitch arm The mixer l...

Page 22: ...and tighten the M5 x 12 socket head cap screw to secure the parts Now turn the assembly over so that the blade holder you have just fitted is at the bottom Fit a 0 2 mm shim washer on the blade pivot...

Page 23: ...he rocker so that the flybar can be fitted through it later without jamming or binding Secure each ballrace by fitting an M2 x 4 screw in the centre piece on each side Check that the rocker swivels fr...

Page 24: ...th M3 x 3 grubscrews but be sure to apply thread lock fluid to the threaded holes in the collets before fitting the screws Press the double ball links 4607 35 onto the ball collets as shown Apply thre...

Page 25: ...ting the ball links on the outer ring if necessary The swashplate should just make contact with the collective pitch compensator when the compensator itself butts up against the bottom edge of the mai...

Page 26: ...Assemble all the parts again permanently Fit the ballraces 4618 69 and the spacer 4618 66 on the tail rotor input shaft 4448 40 as shown in the illustration Apply bearing retainer fluid Order No 951 b...

Page 27: ...olerances and is not engaging correctly with the bevel gear on the input shaft If this is the case you will find that the tips of the teeth of the bevel gear 4618 41 are already fouling the spacer sle...

Page 28: ...on the control sleeve and press it against the inner ring of the other ballrace Fit the shakeproof washer 1291 26 on the control sleeve and press it against the control bridge Now check that the cont...

Page 29: ...22 through the holes and fit the M3 x 3 grubscrew in turn to secure the pin Check that the hub is the right way round as shown in the drawing Fix the tail rotor blades in the blade holders using two...

Page 30: ...clamp and temporarily tighten the screw Undo the screw again to the point where the tail boom can be slid into place later 7 3 Preparing the tail boom bag SKR 2 The tail boom features a curve at the f...

Page 31: ...e 7 5 Checking the length of the tail rotor drive shaft Remove the tail rotor drive shaft from the mechanics oil it lightly and slip it through the shaft bushes rotating it all the while until the rea...

Page 32: ...bracket so that the tail rotor shaft is at right angles to the main rotor shaft when viewed from the tail Tighten the M3 x 12 socket head cap screw in the moun ting bracket to clamp the boom in its fi...

Page 33: ...The skid landing gear can now be attached to the model using two M3 x 16 socket head cap screws at the rear and two M3 x 20 socket head cap screws at the front don t forget to fit the spacer sleeves 4...

Page 34: ...nt where the distance between the centres of the two ball link sockets is exactly 843 mm Fit a linkage ball onto an M2 x 8 screw fit the screw in the outermost linkage hole in the bell crank and secur...

Page 35: ...cabin Raise the cabin at the front until the former attached to the mechanics makes contact with the bottom of the cabin moulding Glue the former to the cabin in this position using Stabilit express A...

Page 36: ...can be difficult to achieve perfection using ordinary methods However this is not crucially important with modern model helicopters What is crucial is that both blades should possess identical moments...

Page 37: ...le shows the recommended basic settings but the optimum values may well vary from model to model according to the rotor blades you are using Minimum Hover Maximum Hovering and practice 2 5 5 6 12 Aero...

Page 38: ...covering 5 to 13 also with symmetrical travels you may find it necessary to remove the servo output arm move it round by one spline and fit the retaining screw again The mechanics should now be set up...

Page 39: ...ystems have no such switch and in this case the solution is to mount the gyro inverted One factor which all gyro systems have in common is that flight testing is necessary in order to establish the op...

Page 40: ...le to see clearly which blade is higher and which is lower The best method is to mark the blades with coloured tape as follows There are two alternative methods figure A shows the use of different col...

Page 41: ...the transmitter and receiver batteries are fully charged Do not let the model fly out of safe visual range Post flight checks Clean the model carefully and check that all screws etc are still tight Lo...

Page 42: ...but its positional stability is reduced with the result that it tends to break away in an unpredictable direction Climb Any excess power above that required for hovering can be exploited to make the h...

Page 43: ...hen keeps the blades turning The rotational energy stored in the rotor by this means can be converted into upthrust when the helicopter is close to the ground by the pilot applying positive collective...

Page 44: ...elektro Skalar 44 Notes...

Page 45: ...Best Nr 4475 GRAUPNER GmbH Co KG D 73230 KIRCHHEIM TECK GERMANY elektro Skalar Summary of replacement parts Date of issue 12 06...

Page 46: ...elektro Skalar 2 Main gearbox...

Page 47: ...475 10 Mechanics side frame right 1 4475 11 Upper layshaft bearing holder aluminium 1 4475 27 Motor mount support 1 4607 156 Circlip 10 1 4618 6 Ballrace 4 13x5 2 1 4618 155 Ball links for M2 5 Linkag...

Page 48: ...elektro Skalar 4 Sub structure...

Page 49: ...r CRP consisting of Side Bottom Plastic spacer set 2 1 1 4475 101 Upper part frame CRP Switch hoder CRP 2 1 4475 102 Spacer aluminium Spacer aluminium 8x60 lg 8x22 lg 2 2 560 4 Washer 3 2 8x0 5 6 10 5...

Page 50: ...elektro Skalar 6 Motor...

Page 51: ...pinion holder consisting of Follower disk aluminium Split taper collet steel Washer Hexagon nut 8mm 8mm M8x1 1 1 1 1 4475 07 Pinion Delrin 28 Z Mod 1 1 4475 08 Pinion Delrin 32 Z Mod 1 1 560 4 Washer...

Page 52: ...elektro Skalar 8 Main rotor...

Page 53: ...47A Collective pitch compensator complete 1 4618 48A Collective pitch compensator arm Brass pin bored Brass pin Circlip 2 3 1 1 1 3 4618 151 Straight pushrod M2 5x60 2 4618 55 M2 ball link and ball 2...

Page 54: ...elektro Skalar 10 Tail rotor...

Page 55: ...07 137 Ballrace 6 10x2 5 4 1 4618 38 Bevel gear ID 5 2 4618 55 Ball links for M2 rod with balls 2 10 4618 56 Tail rotor blade holder 2 4618 60 Plastic bellcrank 1 4618 61 Brass control sleeve and Plas...

Page 56: ...elektro Skalar 12 Tail boom...

Page 57: ...8 6 x 465 lg 2 2 4445 9 Curved aluminium tail boom black 792 lg 1 1 4445 12 Short mounting pillar 8 x 21lg M3 2 2 4451 7 Plastic guide ring 1 1 4451 19 Tail rotor drive shaft 2 x784 lg 1 1 5221 2 Carb...

Page 58: ...elektro Skalar 14 Cabin stabilisers landing gear...

Page 59: ...13 Self locking nut M3 2 20 746 13 Self tapping screw 2 9x13 2 20 747 7 Self tapping screw 2 2x6 5 4 20 3513 3 Rubber grommet 4 10 not shown Graupner Order No Description Dimensions mm No off reqd pac...

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