Sukhoi SU-26 Instructions For Use Manual Download Page 11

WING CONSTRUCTION

1.

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Gather the parts needed to construct the wing:

(2) D/C SHT. 6725  5/64” BALSA

PT. # 3656

CONTAINS WING RIB #3

(2) D/C SHT. 6714  5/64” BALSA

PT. #3688

CONTAINS WING RIB #4 & #5

(2) D/C SHT. 6715 5/64” BALSA

PT. #3689

CONTAINS: WING RIB #6 & 7,
AND AILERON RIB

(2) D/C SHT. 6716 5/64” BALSA

PT. #3690

CONTAINS: WING RIB #8, #9, 
#10, AND AILERON RIB

(1) L/C SHT. 6732 PLY

PT. #3652

CONTAINS:  WING JOINER FRONT
WING JOINER REAR, 
WING DOWEL SCAB PLATE

(1) L/C SHT. 6730 BALSA

PT. #3654

WING CENTER RIB

(2) L/C SHT. 6731 PLY 

PT. #3653

CONTAINS: RIB #2, RIB #2 TAB,
WING CENTER DOUBLER

(1) D/C SHT. 6726 PLY

PT. #3658

CONTAINS :
(1) RIB SPACING GAUGE
(2) WING BOLT PADS

(2) D.C SHT. 6718 BALSA

PT. #3692

CONTAINS:(8)SHEAR WEB

(4) D/C SHT. 6719 5/64” BALSA

PT. #3693

CONTAINS:
(2) WING TIP SHEETING
(1) AILERON SERVO COVER SHEETING
(4) WING CENTER SHEETING

(4) D/C SHT. 6720 5/64” BALSA

PT. #3694

CONTAINS: 

(2) WING CENTER SHEETING

(2) D/C SHT. 6722 5/64” BALSA

PT. #3695

CONTAINS:
(2) WING TIP SHEETING
(2) AILERON SERVO COVER SHEETING

(1) D/C SHT. 6723 PLY

PT. #3697

CONTAINS:
(2) AILERON SERVO MOUNT
(8) DIHEDRAL FIXTURES

(5) MAIN SPARS

PT. #3700

(3/8 x 3/8 x 35-1/8" BASS)

(8) AFT SPARS

PT. #3701

(1/8 x 1/4 x 35-3/4" BALSA

(4) HINGE STICK

PT. #3702

(1/4 x 1 x 25-1/2" BALSA)

(2) WING TIP BLOCK

PT. #3703

(1-1/4 SQ x 10" BALSA)

(1) T.E. BACK-UP

PT. #3704

(1-3/4 TAPERED x 7" BALSA)

(2) SHAPED L.E.

PT. #3705

(12)

WING SHEETING

PT. #3706

(4) CAPSTRIPS

PT. #3707

(5/64 X 1/4 X 22" BALSA)

(1) LANDING GEAR PLATE

PT. #3708

(1/4 x 2-1/4 x 6-1/4" PLY)

(1) NYLON TAPE

PT. #3709

(4) #6-32 x 1" SOCKET HD. SCREW

PT. #1023

(4) #6 WASHER 

PT. #1140

(10)

LARGE FLEX-POINT HINGE

PT. #1449

(1) WING DOWEL

PT. #1750

(5/16 x 4-1/2" ASH)

(1) BEVEL TOOL “A” PREVIOUSLY CON-

STRUCTED.

11

Summary of Contents for SU-26

Page 1: ...e of another experienced R C flyer The model must always be operated and flown using great care and common sense as well as in accordance with the safety standards of the Academy of Model Aeronautics...

Page 2: ...DING 4 CGP 3 16 WHEEL COLLAR 1 TUBE CLEAR CANOPY GLUE 1 CGP 3 32 WHEEL COLLAR OPTIONAL PILOT 1 5 SCALE TOOLS AND SUPPLIES REQUIRED FOR ASSEMBLY MISCELLANEOUS RUBBER BANDS INCLUDING 64 ROLL OF WAXED PA...

Page 3: ...slight deviations in the outline or size will not noticeably affect flight performance Because the fuselage plugs together and is self aligning it is not built directly over the plan As you assemble...

Page 4: ...e sheet is considered acceptable Also inter nal stresses in wood are relieved as it is cut into parts These relieved stresses may cause some parts to bow Bows in wood parts such as leading edges readi...

Page 5: ...LEVATOR HORN MOUNT AILERON HORN BACK UP AILERON SERVO MOUNT BEVEL GAUGE DIHEDRAL FIXTURE AILERON COVER SHEET CENTER SHEET RIB SPACER GAUGE TIP SHEET SHEAR WEB WING BOLT PAD WING CENTER SHEETING WING T...

Page 6: ...ATOR TRUSSING PT 3680 3 16 x 3 8 x 20 BALSA 1 RUDDER TRAILING EDGE PT 3681 5 16 x 3 8 x 20 BALSA 8 ELEVATOR PERIMETER STICK PT 3682 3 8 SQ x 12 BALSA 1 RUDDER LEADING EDGE PT 3683 3 8 SQ x 18 BALSA 1...

Page 7: ...MOUNTS 2 Place waxed paper over the elevator portion of the plan 3 Working over the plan glue and pin the ELE VATOR AIR BALANCE L E s and the ELEVA TOR HORN MOUNTS in place 4 Trim each PERIMETER STICK...

Page 8: ...glue the 1 8 x 1 4 TRUSS STICK pieces in place 2 Trim the SHEETING to fit the fin framework When satisfied with the fit glue in place Turn the fin over and sheet the other side of the fin structure N...

Page 9: ...stab and the elevator together and use balsa sheeting scrap to make a 5 64 spacer between the elevator air balance and the stab Then transfer the hinge locations from the ele vator to the stab 3 Again...

Page 10: ...bly in order to check the alignment and round the perimeter of the assembles You may wish to use masking tape to help hold the pieces together 10 Assemble the ROUNDING TOOL and insert but do not glue...

Page 11: ...T 3693 CONTAINS 2 WING TIP SHEETING 1 AILERON SERVO COVER SHEETING 4 WING CENTER SHEETING 4 D C SHT 6720 5 64 BALSA PT 3694 CONTAINS 2 WING CENTER SHEETING 2 D C SHT 6722 5 64 BALSA PT 3695 CONTAINS 2...

Page 12: ...ing will be used later for the leading edge 4 Pin a T E sheet over the plan Align a straight edge with the wing centerline and trim the sheet even with the centerline 5 Align a straight edge with the...

Page 13: ...ce between Rib 3 and and Rib 2 NOTE Because the plan paper can stretch some what due to variations in humidity the plan is not always an accurate representation of the desired results Therefore to gua...

Page 14: ...om D C sheet 6723 take an AILERON HORN BACK UP marked D an glue it to the T E sheeting in line with the aft spar 17 Using the long side of the rib spacing gauge locate ribs 5 through 9 gluing each of...

Page 15: ...rib notches and glue at each rib Again with the spar flush with the centerline insert the FORWARD AFT SPAR and glue in place 21 Trim the rear aft spar to fit and glue to the ribs 22 Position the SHAP...

Page 16: ...the rib camber and the spar 27 Making sure the servo wire knock out hole is on the piece closest o the L E glue the three large pieces of CENTER SHEETING to the ribs the L E and the T E Pre fit a wedg...

Page 17: ...shown Note that one is offset This fixture will not be needed in construction of this second edi tion Sukhoi 31 Working over the full waxed paper covered wing plan pin or glue the fixtures in place as...

Page 18: ...b that goes between Rib 2 and Rib 3 must be trimmed to fit Center the Rib 2 3 web between the two ribs and glue in place 38 Test fit the L E sheeting When satisfied with the fit apply glue to the top...

Page 19: ...Test fit and then install the CENTER SECTION SHEETING 44 Glue the AILERON SERVO MOUNT into the upper slot of Rib 7 and onto the top of the spar Repeat for the other wing panel 45 Temporarily mount th...

Page 20: ...n cut lines and transfer onto the bottom sheeting of the wing trailing edge Then carefully cut through the sheeting as shown 2 Using a straight edge remove a strip of sheet ing between the two aft spa...

Page 21: ...he previously constructed Bevel Tool A bevel both sides of the ailerons Test fit the ailerons to the wing but do not per manently install until after they have been covered NOTE MAKE SURE YOU CAN IDEN...

Page 22: ...1 D C SHT 6709 LITE PLY PT 3668 CONTAINS 1 TOP FRONT 1 FORMER E 1 D C SHT 6710 BIRCH PLY PT 3669 1 TURTLEDECK 2 L C SHT 6731 LITE PLY PT 3653 CONTAINS 1 WING SADDLE DOUBLER 1 L C SHT 6732 LITE PLY PT...

Page 23: ...the elevator exit Instead glue it permanently in place b Cut a hole for the servo on each side of the fuse lage as shown c Make two doublers from scrap 1 8 x 1 4 x 1 1 4 ply and glue the forward doubl...

Page 24: ...tom view of the plan and check the alignment Secure the assembly with small pieces of mask ing tape as shown Sight check along the fuselage to ensure that the fuse is straight not twisted 5 Lay the FU...

Page 25: ...When the laminated assembles are dry test fit in position The assemblies with the tabs fit at the slotted locations between Former B and Former B2 The assemblies without the tabs go along the fuse si...

Page 26: ...and use as a drill bit Don t use anything larger than 7 64 109 2 7mm in diameter Using the blind nuts as locators drill a pilot hole through the bottom of the wing Remove the wing from the fuselage an...

Page 27: ...use gluing to the formers as you go Bevel sand the plywood edge at the fuselage overlap Fill the joint area with JET MODEL MATE and sand smooth 27 Glue FORMER J directly over FORMER H 28 Mark the cent...

Page 28: ...sh with Former F As with the top front sheeting fill the step with JET Model Mate and sand smooth 32 Go over the fuselage sanding all seams and joints Then finish sand the entire fuse assembly with fi...

Page 29: ...Thread the fuel line through the V notch in the firewall and attach them to the tank Pull the line forward and glue the tank assem bly onto the locating shoulders on Former A and Former B inside the...

Page 30: ...e bass pushrod and wrap with a strong thread Coat the thread with more glue 4 Referring to the plan cut the 10 threaded rod to size Attach to the other end of the bass pushrod wrapping with string and...

Page 31: ...OT INCLUDED 2 Mark the centerpoint of the landing gear cover plate and the formed LANDING GEAR making sure they are aligned 3 Using four 6 x 3 4 sheet metal screws per manently mount the landing gear...

Page 32: ...two 2 56 screws into the horn 5 Thread the SNAP LINKS onto the threaded couplers and attach the links onto the rudder control horns 5 Cut the remaining 3 8 sq piece of bass from the elevtor pushrod in...

Page 33: ...33 Assembling The Engine Cowling Belly Pan...

Page 34: ...34...

Page 35: ...35...

Page 36: ...36...

Page 37: ...ll right match the center of the aileron to the mark 2 Adjust the horn bracket up or down along the hole selection to achieve the correct travel set ting NOTE This is a good time to make sure the cont...

Page 38: ...levator to rotate and climb out at a shallow angle Also during the application of power due to engine torque the SUKHOI will veer to the left so be prepared to hold some right rudder In all prob abili...

Page 39: ...ION PAINTED CANOPY FRAME BLACK WHITE BRIGHT RED BLACK WHITE BRIGHT RED The following colors were used on the show model photographed for the kit box Lighting and printing may alter the appearance of t...

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