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Red Star RC Yak-3, Инструкция по эксплуатации

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Yak-3 

 

Instruction Manual 

 

 

 
 

Wingspan:  

55 in. (1397mm.) 

Wing Area: 

680 sq. in. (43.87dm

2

) 

Weight: 

    

5 – 5 1/2 lbs (2268g – 2495g) 

Length:  

50 in. (1270mm.) 

Wing Loading: 

17-18.6 oz per sq ft 

   (51.7-56.9g 

per 

dm

2

) 

308 Belltown Road, Owings Mills, MD 21117-3239 

www.redstarrc.com 

[email protected] 

 

Содержание Yak-3

Страница 1: ...an 55 in 1397mm Wing Area 680 sq in 43 87dm2 Weight 5 5 1 2 lbs 2268g 2495g Length 50 in 1270mm Wing Loading 17 18 6 oz per sq ft 51 7 56 9g per dm2 308 Belltown Road Owings Mills MD 21117 3239 www redstarrc com red_star_rc yahoo com ...

Страница 2: ... Red Star RC has no control over the final assembly or material used for final assembly no liability shall be assumed nor accepted for any damage resulting from the use by the user of the final user assembled product By the act of using the user assembled product the user accepts all resulting liability If the buyer is not prepared to accept the liability associated with the use of this product th...

Страница 3: ...ls Du Bro super light 300sl 1 Tailwheel Ohio OHI100 1 Fuel Tank Sullivan 8 oz s427 1 Spinner Du Bro 2 75 293 1 Engine OS 40FX OS 46FX 1 Muffler Jtec JT 601 1 Prop Master Airscrew 11x6 1 Recommended Finishing Items Monokote Sky Blue 20206 1 Monokote Gray Green 20211 20214 1 LustreKote Spray Paint 1 LustreKote Spray Flat Clear 1 CA Hinges Radio Gear 5 channels receiver 7 channels recommended 1 6 Ser...

Страница 4: ... 2004 Red Star RC 4 Laser Cut Patterns ...

Страница 5: ... 2004 Red Star RC 5 ...

Страница 6: ...icture Drill holes and join two elevator halves Build the Fin Rudder Unroll the plan sheets Put them on your building board and cover with wax paper so glue will not adhere 1 Locate and carefully remove Fin and Rudder parts from balsa sheets Test fit and sand if necessary Assemble using this figure as a reference Fill the gaps with thick CA if needed Sand LE of Horizontal Stab and Fin round Sand L...

Страница 7: ... paper Locate and glue two rear halves of main fuse horizontal former F B and F D together 3 Glue two front halves F A and F C together 4 Glue front and rear horizontal fuse former parts together 5 Glue bottom formers according to the plan Using building square make sure they are 90 to horizontal former 6 Splice two pieces 1 8 x 1 4 x 24 bass stringers together with an overlap as shown Make two of...

Страница 8: ...r and glue together 9 Locate two wing bolt support WB A and WB B and glue them together 10 Locate two fuse side formers S1 Insert WB block into one side of the former and then put another former in place and glue 11 Install bottom 1 4 x 1 4 balsa stringer 12 Locate TB A and TB B fuselage tail block halves Glue them together and install in place ...

Страница 9: ...s Cut flush with firewall Test fit motor mounts Pay special attention to their position You should get 3 right and 3 down thrust Then test fit your motor Make sure motor sits tight in the motor mount When satisfied with the result glue them permanently using 30 min epoxy Also pay attention that fuselage stays true and straight after this step 17 Glue top formers according to the plan Using buildin...

Страница 10: ...g support doubler 22 Glue it to formers and stringers and then trim alongside the bottom stringer and wing saddle 23 Sheet the other side of the fuselage same way Do not sheet the bottom of the fuse yet You need free access to it when you mount pushrods 24 Cut two 15 long 1 16 balsa sheet Glue to the top stringer Spray with Windex to make it more flexible Bend it over formers and fix in bent posit...

Страница 11: ...h formers 27 Here is closer look 28 Glue four sheeting support formers F into place 29 Glue two 1 16 balsa sheets together alongside Cut 10 long sheet Using the same technique sheet the middle part of the fuselage You will cut the opening for the cockpit later 30 Here is the result ...

Страница 12: ...1 2 balsa stringers at the bottom front of the fuse Fill the gap between stringer and sheeting with 1 8 leftover balsa 34 Glue FS 1 and two FS 2 s together to create an air outlet for easy engine cooling 35 Glue air outlet in place 36 Cover bottom front of the fuselage with 1 4 balsa and cut an opening for an air outlet ...

Страница 13: ...ind nuts and secure them with thick CA Be careful Do not let glue go on the thread 39 Using 3 4 x 3 balsa block provided build top engine cowl and glue it in place 40 Glue bottom sides from 3 4 x 3 balsa block provided 41 Shape it according to the 3 view drawing at the end of this manual 42 Glue small pieces of balsa leftovers in the middle of bottom cowl and shape them round ...

Страница 14: ...d later Shape tail according to fixture shape Build the Wing 1 Unroll the wing plan sheet Put it on your building board and cover with wax paper so glue will not adhere Locate all balsa ribs plywood rib doublers and wing joiner Do not remove special rib tabs at the end of the ribs They designed to help building wing true and straight 2 Glue wing joiners together Locate 1 8 x 1 4 x 24 bass strips C...

Страница 15: ...s according to the plan and pin them down 6 Glue leading and trailing edge parts together 7 Put top bass spar leading and trailing edge and glue them making sure ribs 90 to the building board 8 Locate and glue precut hinge blocks HB A B C D according to the plan 9 Glue two 1 16x4x24 sheets of balsa provided Make two of them and then cut them across like on the picture ...

Страница 16: ... pinned down to the building board to insure that it is straight and true 12 Install top trailing edge sheeting using 1 16 x 1 2 balsa strip provided and remove wing from building board 13 Using template that came with retracts removed material from landing gear mounting blocks to let retract fit in 14 Install shear webs The first three shear webs go from both sides of the main spar to create a bo...

Страница 17: ...ng joints using leftover balsa 19 Do the same for the front one 20 Assemble two aileron servo trays using ST A and two ST B parts Assemble retract servo tray using RST A and two RST B parts You can reinforce spots where servo screws go in using precut pieces has been located inside F3 fuse former 21 Glue retract servo tray in place 22 Test fit your retracts Run pushrods Connect radio and check ret...

Страница 18: ...place Glue a piece of 1 4 x1 4 balsa stick in the top of wing joiner for sheeting support 26 Using piece of 1 16 leftover balsa sheeting 4 wide and 5 1 2 long spray it wet with Windex and put around bottle 3 1 2 dia Put rubber band over and let it dry Then cut it by half lengthwise 27 Glue halves to the wing Sand them to the wing shape Sheet forward bottom part Cut wheel well opening Flip the wing...

Страница 19: ...he wing 30 Sand them into shape 31 Sheet center top of the wing 32 Sheet center bottom of the wing 33 Install capstrips using 1 16 x 1 4 x 36 balsa strips provided 34 Cut 1 1 2 x 2 balsa block provided on two pieces 5 and 6 long On each end of 6 block measure 1 from edges Draw a line and cut across this line ...

Страница 20: ...20 and glue leading edge to the wing 38 Carve and shape wing leading edge 39 Shape front central section of the wing 40 Glue wing front plate WFP in place Drill 1 4 hole and install wing pin provided Glue two pieces of 1 8 leftover balsa sheet and sand them in shape 41 Carve wing air scoops in shape for better scale appearance ...

Страница 21: ...s 44 Glue wing bolt support plate WBP in the middle of the wing 45 Install aileron servo trays 46 Glue leftover balsa around aileron servo trays to create covering support surface and sand it to the wing shape Build the ailerons 1 Locate precut aileron 1 16 skins A T and A B 3 32 subleading edge ASL and ribs AR 1 to AR 7 ...

Страница 22: ...in the length of the aileron Shape the leading edge of the aileron to triangle shape 6 Mark aileron and stab hinge locations according to the plans and slot them Build the Air scoop 1 Locate precut air scoop 1 8 balsa formers SF1 SF 4 and 1 4 x 1 4 balsa stick 2 Put a wax paper over air scoop plan Cut 1 4 balsa sticks according to the plan spray them with Windex to make them more flexible and pin ...

Страница 23: ... air scoop in between two middle formers and sand the cut flash Install the Fuselage components 1 Locate servo and battery tray fuse pushrods support FR 3 4 5 and 1 2 x 1 balsa leftovers 2 Cut 1 2 x 1 balsa sticks 7 long Make chamfer as shown 3 Glue them on fuselage next to former F3 A 4 Glue servo screw doublers they will be one piece from each side now ...

Страница 24: ...ge as shown 7 Insert pushrod tube and support formers 8 Adjust position of the pushrod support former PR3 relative to servo arm height and glue it in place 9 Glue the other pushrod support formers in place and sand the ends of the pushrod tubes flash with fuselage 10 Sheet bottom of the fuselage and shape the edges ...

Страница 25: ...0 32 tap and harden with Thin CA Enlarge holes in the wing with 10 0 193 drill bit 13 Locate two precut 1 32 birch ply fairings Cover center of the wing with wax paper Put fairings and fuselage on Trim if necessary and glue them in place 14 Using 1 8 leftover balsa sheet the space between fairings and the fuselage and shape with round sand stick 15 Bolt the wing onto fuselage Glue two pieces of th...

Страница 26: ...rod support formers relative to servo arm height and glue them in place Make fuel tank support rails from leftover balsa and glue them in place 20 Install battery tray with screws This will let you move it when balancing plane Glue servo tray in place 21 Fuel proof motor compartment firewall and wheel wells with 30min epoxy thinned with isopropyl alcohol Put a dab of Vaseline into the threads of b...

Страница 27: ...earance by carving machine guns channels We made machine guns from 1 4 aluminum tube 26 Exhaust system could be made from 1 4 aluminum tube cut on angle and glued to the piece of balsa and then bent it slightly into shape 27 Machine gun cowers could be made from 1 4 leftover balsa sanded into shape 28 1 7 scale pilot could be used ...

Страница 28: ... lift the model that side is heavy Balance the airplane by gluing weight inside the other wing tip Glue the weight in place with epoxy An airplane that has been balanced laterally will track better in loops and other maneuvers 4 Remove the stab and fin Then reinstall the fixture in the rear of the fuselage Cover the model We won t go into many details on covering techniques assuming that you have ...

Страница 29: ...rs fuel tank mounting fuel lines wheels engine mounting prop and spinner Range check the radio as per the manu facturer s instructions and make sure it is fully charged DOUBLE CHECK EVERYTHING YOU CAN THINK OF A model and radio that is not prepared and working properly on the ground before take off will not improve in the air IT WILL GET WORSE There is no point in attempting to fly until everythin...

Страница 30: ... 2004 Red Star RC 30 Yak 3 Paint scheme ...

Страница 31: ... 2004 Red Star RC 31 ...

Страница 32: ... 2004 Red Star RC 32 ...

Страница 33: ... 2004 Red Star RC 33 ...

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