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3D Hobby Shop 57" Extra 330 SC, Assembly Manual, Page: 1 / 22

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3D Hobby Shop 57

 

 

 

Note: 

For tips, tricks, and important building techniques, please refer to our Build Videos located on the 3D Hobby Shop Website. 

The videos are located on the 33” Extra 330 SC product page in the ‘Foamies’ Category.  

 

www.3dhobbyshop.com 

 
 
    3D Hobby Shop 
    603 FM 2093 
    STE 1303 
    Fredericksburg, TX  78624 
    Ph: (830) 990-6978 

33” Extra 330 SC 

               

33” Extra 330 SC 

             

Assembly Guide

 

Photo by: Eric Runfeldt (PrkFlyrRic) 

Photo by: Eric Runfeldt (PrkFlyrRic) 

Summary of Contents for 57" Extra 330 SC

Page 1: ...bby Shop Website The videos are located on the 33 Extra 330 SC product page in the Foamies Category www 3dhobbyshop com 3D Hobby Shop 603 FM 2093 STE 1303 Fredericksburg TX 78624 Ph 830 990 6978 33 Extra 330 SC 33 Extra 330 SC Assembly Guide Photo by Eric Runfeldt PrkFlyrRic Photo by Eric Runfeldt PrkFlyrRic ...

Page 2: ...nches where they can roll off or be knocked off ALWAYS have a first aid kit handy when working with adhesives knives or tools especially power tools ALWAYS keep hobby equipment and supplies out of the reach of children SAFETY IN FLYING SAFETY NOTICE This is NOT a toy It is a very high performance RC airplane capable of extreme maneuvers It should only be operated by a competent pilot in a safe are...

Page 3: ...l Horns for Ailerons and Rudder 1x Control Horn for Elevator 1x Servo Horn for Aileron Servo 2x Servo Horn for Elevator and Rudder Servo 1x Plywood Motor Mount 1x 1m Carbon Fiber Rod for bracing 2x Carbon Fiber Rod for Aileron Push Rods 1x Carbon Fiber Rod for Rudder Push Rod 1x Carbon Fiber Rod for Elevator Push Rod 1x Metal Wire for Z Bends 1x Strip of Heat Shrink for Push Rods 1x Strip of Elast...

Page 4: ... hinge Your EPP Foamy comes with pre beveled control surfaces which are beveled at the factory for maximum deflection You do not need to perform any additional cuts on any of the control surfaces On a flat surface align the Elevator to the rear of the horizontal fuselage piece and secure the parts to your building table with the top of the pieces facing up Heavy weights work well to keep the parts...

Page 5: ...STEP A Spread the glue out with a used hobby blade Step A 03 Hinging Creating the Elevator Hinge Repeat Steps A 01 through A 03 for both ailerons as shown Step A 04 Hinging Aileron Hinging ...

Page 6: ...ge your hinges if you start moving them before the glue is cured The glue is dry when it is no longer sticky when you touch it If hinged properly all control surfaces will have at least 45 degrees of throw once hinged You may notice that the hinges may be a bit stiff at first but they will loosen up over time Builders Tip This type of hinging system works well because it is easily repairable If a ...

Page 7: ...izontal Nose to the Wing and remove Let the Welders Adhesive set up on both sides of the glue joint for 2 3 minutes Once the glue has some time to set up permanently attach the horizontal nose to the front of the wing and lay down on a flat surface Allow 1 2 hours dry time Step B 01 Horizontal Fuselage Assembly Nose Piece Repeat Step B 01 to attach the rear horizontal fuselage to the wing Once sat...

Page 8: ...and slide the wing spar in to the wing spar slot Spread out the excess glue with a used razor blade in the same way you hinged the control surfaces Once satisfied spread a generous amount of glue around the ends of the wing spar This will help prevent the wing spar from breaking out in a crash Step B 03 Horizontal Fuselage Assembly Wing Spar Repeat Step B 03 to install the Elevator Spar into the p...

Page 9: ...sides of the glue joint for 2 3 minutes Permanently attach the lower half of the Vertical Fuselage to the bottom of the Horizontal Fuselage ensuring that the parts are perpendicular Allow 1 2 hours to dry Step C 01 Lower Vertical Fuselage Assembly We have included a 1m long piece of Carbon Fiber Rod in your Foamy Kit for Fuselage Bracing Cut the long carbon rod into 7 pieces with the following len...

Page 10: ...of the vertical fuselage You do this by poking the carbon into the foam 1 16 Step C 03 Lower Vertical Fuselage Assembly Carbon Bracing Follow step C 01 and install the rest of the carbon rod pieces you cut earlier Once all pieces are in place ensure that the vertical fuselage is still perpendicular to the horizontal fuselage and then apply a generous dab of Welders Adhesive at each point where a c...

Page 11: ...e Aileron Control horn slot on the TOP of the aileron Spread out excess glue that squeezes out Install a control horn into both ailerons Allow glue to dry for 1 2 hours Step D 01 Control Horn Installation Ailerons Remove the ply wood aileron servo arm from the hardware sheet and attach to your servo s supplied plastic servo arm with the servo screws supplied with your servo Once attached you can c...

Page 12: ...of the horizontal fuselage Step D 03 Servo Installation Ailerons Using side cutters cut a 1 0 piece of piano wire off of the long piece of piano wire in your kit Using two pair of needle nosed pliers create a Z at one end of the 1 0 piece of wire You need a total of 4 of these 1 0 Z bends for the Ailerons Step D 04 Servo Installation Z Bends ...

Page 13: ...n Control Rods Cut two pieces of heat shrink tubing that are approximately 1 in length Slide these onto the carbon fiber Aileron control rods Install one of the Z bends into an aileron control horn and another into the same side of the servo arm See Setup Sheet at end of Manual for the recommended holes to use Put the carbon rod in place and slide the heat shrink over the Z bends to hold the carbo...

Page 14: ...ocess for the other aileron Step D 07 Servo Installation Control Rods Once you have shrunk the tubing on both ailerons adjust the length of the control rods as needed by sliding the z bends forward and backward until the ailerons are centered and are both parallel to the horizontal fuselage Once satisfied apply some Medium CA where the Z bends are touching the carbon rod and allow to cure This wil...

Page 15: ...ees of throw If it cannot trim any excess foam necessary to achieve maximum throw Step D 09 Top Vertical Fuselage Installation Repeat step A 01 through A 03 and hinge the bottom half of the rudder Using a piece of tape on the opposite side of the hinge line will help hold the rudder hinge together Step D 10 Top Vertical Fuselage Installation Hinging Rudder Bottom ...

Page 16: ...0 9L motor with the fiberglass x mount please skip ahead to Step E 01 For all motors that have a bolt on x mount you need to follow this step Apply a generous amount of welders adhesive to the back of the ply wood motor mount piece included in your kit Temporarily install the ply wood motor mount to the front of the foam motor mount Remove and let the glue set up for 3 5 minutes Permanently instal...

Page 17: ...ply a bead of welders glue on each leg of the x mount and temporarily install to the foam ply pieces and remove Allow the glue to cure for 3 5 minutes and then permanently install ensuring that the motor is centered on the motor mount Allow to cure for 20 30 minutes Step E 01 Electronics Installation Motor Repeat Step D 01 to install the short control horn into the TOP of the elevator Notice the n...

Page 18: ... single side servo arms onto the elevator servo Step E 03 Electronics Installation Elevator Servo Repeat Steps D 03 through D 08 to install the Elevator Servo and Elevator Servo Pushrod and Z bends Step E 04 Electronics Installation Elevator Servo ...

Page 19: ... LEFT side of the rudder This is the side OPPOSITE of the carbon bracing Step E 05 Electronics Installation Rudder Servo Repeat Steps D 02 through D 08 to install the Rudder Servo and Rudder Servo Pushrod and Z bends Step E 06 Electronics Installation Rudder Servo ...

Page 20: ...elders Adhesive Step E 07 Electronics Installation Speed Controller Adhere your receiver to the side of the fuselage using Welders Adhesive You can route wires to your receiver by poking small holes in the fuselage and running the wires through the holes The easiest way to poke holes is with a sharp hobby blade Step E 08 Electronics Installation Receiver ...

Page 21: ... the First Time Before flying your foamy for the first time we recommend that you run through the following checklist We re sure you re anxious to get out and fly your new foamy but please note that following this checklist will ensure that you have the best experience possible with your 33 EPP Extra 330 SC 1 Check for secure control linkages Make sure that all of the Z Bends are secure and that a...

Page 22: ...Rate Expo Servo Arm Position Control Horn Position High Rate Throw High Rate Expo Low Rate Throw Low Rate Expo Center of Gravity Ailerons Elevator Rudder Center of Gravity Control Horn D C B A Servo Arm C B A D E F Control Horn D C B A Servo Arm C B A Control Horn D C B A Servo Arm C B A E D 45 Deg 50 70 22 Deg 50 70 A D 45 Deg 50 70 22 Deg 50 70 A D Within 0 5 of Elev 50 70 50 70 Within 0 5 of El...

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