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SIG SUN DANCER 50, Manual, Page: 2 / 22

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Any wrinkles that appear in the covering are easy to remove by
using a hobby-type of heat iron. We suggest covering the iron's
shoe with a thin cotton cloth, such as an old T-shirt to prevent
scratching the film. To shrink AEROKOTE

®

, set the temperature of

your covering iron at 220

O

F - 250

O

F (104

O

C - 121

O

C). Start by using

the heated iron to go over all the seams and color joints, making
sure they are firmly sealed and well adhered.

Then use the 

heated iron to lightly shrink the material - do not press on it. Once
the covering is tight, lightly iron the material back down to the
wood.

You can use a hobby type heat gun to re-shrink the 

covering, but you must be extra careful around the seams.

For part number reference, your Sun Dancer 50 ARF was covered
with SIG AeroKote

®

, using the following colors and part numbers:

SIGRC72ARF(P) - Covered w/ AeroKote

®

#100 White, 

#361 Purple and #360 Violet  or

SIGRC72ARF(Y) - Covered w/ AeroKote

®

#330 Bright Yellow, 

#321 Bright Orange and #311 Bright Red

REQUIRED TOOLS:

For proper assembly, we suggest you have the following tools and
materials available.

A selection of glues:

SIG Thin, Medium and Thick CA 
SIG CA Debonder
SIG Kwik-Set 5-Minute Epoxy
SIG Epoxy (slow cure)

Thread locking compound, such as Loctite

®

Non-Permanent Blue

Screwdriver Assortment
Needle Nose & Flat Nose pliers 
Diagonal Wire Cutters
Small Allen Wrench Assortment
Drill and assorted Drill Bits
Pen Vise for Small Diameter Drill bits
Hobby Knife With Sharp #11 Blades
Paper Towels
Rubbing alcohol for clean up
Scissors
Covering Iron and Trim Seal Tool 
Masking Tape

Dremel

®

Tool With Selection of Sanding and Grinding Bits 

Felt tip pen

KIT CONTENTS:

The following is a complete list of every part included with your Sun
Dancer 50 kit. Use the check-off blocks (

❑

) to inventory your kit

before beginning assembly. Note that the CA type hinges for the
ailerons, rudder, and elevators are in place in each of these parts
but are not yet glued in place. Also note that the bolts and nuts
required to mount your engine to the motor mounts are not 
included in this kit and must be purchased separately.

Note: Do not remove parts from the plastic bags until they are
needed during assembly. All of the required parts, screws, and
bolts, etc. will be included in the bag to assemble a particular 
component of the model.

❑

Bag #1:

Top Wing, fully assembled & covered with AeroKote

®

Holes for mounting cabane struts pre-drilled in hard points
Holes for inter-plane struts (4) pre-drilled in hard points
Ailerons in place with CA hinges - not glued

❑

Bag #2:

Bottom Wing, fully assembled & covered with AeroKote

®

Holes for inter-plane struts (4) pre-drilled in hard points
Wing bolt holes pre-drilled
Wing bolt reinforcement plates pre-drilled and installed
Leading edge wing-mount dowel installed
Aileron servo bays opened up 

w/ plywood servo doublers in place

Aileron servo installation strings in place
Ailerons in place with CA hinges - not glued
Aileron servo lead holes pre-drilled at center section

❑

Bag #3:

Vertical Fin, covered with AeroKote

®

Covering removed from bottom for attaching to fuselage
Pre-slotted for the top 2 CA hinges

❑

Bag #4:

Rudder, covered with AeroKote

®

Pre-slotted for 3 CA hinges
CA hinges in place - not glued

❑

Bag #5:

Horizontal Stabilizer & Elevator covered with AeroKote

®

Pre-slotted to accept vertical fin
Covering removed from bottom of stabilizer for gluing 

to fuselage

Elevators attached to stabilizer with 4 CA hinges 

- not glued

❑

Bag #6:

Fuselage, covered with AeroKote

®

Windshield installed with 3 M2 X 8mm PWA screws
3mm Motor Mount Blind Nuts installed with fuel tank 

opening in firewall

Fuel Tank Hatch installed w/ 4 M2 X 6mm PWA screws
Fuselage pre-slotted for cabane struts
Fuselage pre-drilled for cabane strut bolts 

w/ 3mm blind nuts installed

Fuselage pre-drilled for landing gear attachment 

w/ 4mm blind nuts installed

Hard point for tail wheel mounting
Fuselage slotted at tailpost for bottom rudder CA hinge
Bottom Wing Bolt Tray installed 

w/ two 1/4-20 blind nuts installed

Firewall fuel-proofed

2

Modeler's Tip: One of the most common problems associated
with shrinking any covering film is controlling the heat around
the seams.

Heat applied close to or directly onto seams 

re-heats the covering adhesive and the seams will often "crawl".
This is easy to control. Just tear a few paper towels into strips
and soak them in cool tap water. Lay the wet strips over the
covering seam and use a heat gun or iron as you normally
would. The wet strips keep the seam cool while the covering
immediately next to it shrinks. This tip works great with any 
iron-on covering.

Summary of Contents for SUN DANCER 50

Page 1: ...the covering material or how it was applied Balsawood takes on or loses ambient humidity Your Sun Dancer 50 was manufactured in a relatively humid region of the world The wood was therefore holding some humidity at the time the parts were covered and bagged When these parts are removed from their bags and subjected to drier conditions the wood quickly loses moisture and the covering may appear loo...

Page 2: ...f the required parts screws and bolts etc will be included in the bag to assemble a particular component of the model Bag 1 Top Wing fully assembled covered with AeroKote Holes for mounting cabane struts pre drilled in hard points Holes for inter plane struts 4 pre drilled in hard points Ailerons in place with CA hinges not glued Bag 2 Bottom Wing fully assembled covered with AeroKote Holes for in...

Page 3: ...Pull Rigging Couplers w metal R C links knurled stop nuts 2 each 56mm 022 X 27 3 4 Braided Steel Pull Pull Cables Bag 19 2 each M4 X 40mm Axle Bolts 2 each 4mm Hex Nuts 4 each 4mm Lock Nuts 2 each 4mm X 15mm Landing Gear Attach Bolts 2 each 4mm Washers 2 each 4mm Lock Washers 4 each 3mm X 10mm Wheel Pant Attach Bolts 4 each 3mm Lock Washers Bag 20 1 each 5mm OD X 4mm ID X 30 1 2cm 12 Outer Throttl...

Page 4: ...the looks of the Sun Dancer 50 is the windshield frame Since the windshield is screwed to the fuselage it is easy to remove and paint the frame Use contrasting color paint or striping tape on the raised frame portions of the windshield to simulate the metal windshield framing used on full sized aircraft To assure good adhesion of your trim always wash the windshield in warm water and liquid dish s...

Page 5: ...dge from one of the hinges and carefully apply four 4 small drops of thin CA glue to the left and right side of the exposed hinge Repeat on the other two hinges Remove the masking tape flex aileron in opposite direction and again use tape to hold it in this position Turn wing over and apply four drops of thin CA glue to each exposed edge of each hinge exactly as before Remove the tape and return t...

Page 6: ...mitter and center the aileron trim lever Now turn on the receiver and let the servos neutralize before adjusting the servo arms to position them as close to 90O to the side of the servo case as possible With the servo arms now positioned correctly re install the servo output arm screws Turn off the radio system and remove the servo leads from the Y harness 7 The length of string in each wing panel...

Page 7: ...ew the hatches in place using M2 X 8mm PWA screws provided Plug the servo leads into the Y harness and secure with heat shrink tube or tape 8 Tape the lower ailerons in the neutral position turn on the radio and recheck the servos for neutral Adjust the length of the pushrod by turning the R C links in or out until the connecting pin matches the outer hole of the control horn Snap the R C Link in ...

Page 8: ...ed 2mm x 36mm Z bend link into one end of the inner nylon pushrod Drill out the hole in the carburetor throttle arm with a 46 drill to allow the Z bend to fit Insert the Z bend into the throttle arm slide the inner pushrod into the outer housing tube and mount the engine with 2 bolts to hold it in the proper position Move the throttle arm to the closed position and note if this moves the pushrod i...

Page 9: ...es at the back of the cowl with the same lines on the fuselage and tape the cowl to the fuselage in this position Using the six holes 3 on each side of the cowl as guides drill six 1 16 dia pilot holes for the cowl mounting screws Drill each hole about 1 4 deep Remove the cowl from the fuselage Apply a couple of small drops of thin CA into these holes to harden them 9 Centerline 3 1 4 TIPS ON CUTT...

Page 10: ...ave to use the same technique to create the required cowl clearance hole for your particular engine For most engine installations there is more than an adequate amount of openings provided in the cowling for cooling air to enter and exit A rule of thumb is that the exit area must be equal to or larger than cooling air inlet There should be at least 1 8 of clearance between the cowling and any acce...

Page 11: ...l pants to the On the servo end of the cable slide one of the copper swage tubes onto the end of one of the cables Then insert the end of the cable through the small hole in the end of a threaded rigging coupler giving yourself about 2 3 of cable to work with Loop the short end of the cable back and run it back through the copper swage tube Pull the swage tube up to about 1 2 away from the rigging...

Page 12: ... Use the Control Horn Drill Template to mark the mounting holes for the control horn Drill the two required horn mounting holes with a 5 64 bit and bolt the control horn and backing plate in place with two M2 x 15mm screws and nuts 12 gear and the gear to the fuselage in this configuration Locate the two fiberglass wheel pants and use the four M3 x 10mm bolts and four 3mm lock washers to attach th...

Page 13: ...in place after the pull pull rudder cables are installed and centered in the following steps 30 The elevator assembly is now hinged to the horizontal stabilizer using the same hinging methods earlier used to hinge the ailerons FIN RUDDER ASSEMBLY 31 Trial fit the vertical fin into the slot at the top rear of the fuselage locating its bottom tab into the slot in the horizontal stabilizer Mark the b...

Page 14: ...the rudder and tail wheel If there is any binding correct it Finally wrap several turns of the wire around itself to lock it into place and snip off the excess ELEVATOR PUSHROD 37 Using your radio system center the elevator servo making sure the trim lever is also centered Mount the elevator servo output arm in place at 90O to the side of the servo pointed up toward the bottom of the stabilizer Us...

Page 15: ... under slight tension with a rubber band that is looped around the antenna at one end and a pin in the fin on the other end The on off switch can be mounted directly into the side of the fuse lage or internally using piece of music wire as the means to acti vate the switch We typically prefer an internally mounted switch simply because it is cosmetically clean and keeps fuel and dust out of the sw...

Page 16: ...e switch lever to fit a piece of 045 dia music wire Drill an exit hole in the side of the fuselage lined up with the switch wire location Make a 90O bend in one end of the wire and insert the short end into the hole in the switch lever Insert the wire through the hole in the fuselage and make another 90O bend in the wire outside of the fuselage side giving you a small handle to pull and push when ...

Page 17: ...sfied tighten the lock nut behind the R C link to lock the R C link in this adjustment position Repeat this process on the opposite set of ailerons Remove the tape holding the upper ailerons centered and use the transmitter to check for movement and centering of the now coupled ailerons CONTROL MOVEMENTS This is an important section of this manual After flying your SUN DANCER 50 for a while and ge...

Page 18: ...vator throw to compensate Softening elevator response with a reasonable exponential percentage also works In the end the final balance point and control throws you use will depend somewhat on how you like to fly Some pilots like their models extremely reactive others strive for more smoothness The SUN DANCER 50 is a very capable aerobatic machine and can be tailored to fit your style We therefore ...

Page 19: ...ring final approach down to a few feet off the ground Back completely off the throttle once the airplane is low to the ground with a good rate of descent established Flair the airplane as the ground approaches for a smooth 3 point SUN DANCER 50 ARF LOG BOOK Date of first flight Comments landing and rollout Hard landings are not necessary sound piloting skills are The second flight should be even m...

Page 20: ...20 SUN DANCER 50 ARF LOG BOOK Date of first flight Comments ...

Page 21: ... size or full size are not toys Because of the speeds that airplanes must achieve in order to fly they are capable of causing serious bodily harm and property damage if they crash IT IS YOUR RESPONSIBILITY AND YOURS ALONE to assemble this model airplane correctly according to the plans and instructions to ground test the finished model before each flight to make sure it is completely airworthy and...

Page 22: ...o land with no bad habits Or go for scale appearance and performance with the Extra 300XS ARF and simulate the maneuvers yourself that you are likely to see the real Extra 300XS perform at a major air show Three more great models to grow with from SIG Two things mark the difference between a great day at the field and disaster One is your radio batteries Second is your fuel Having the right fuel f...

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