WattAge Tangent Instructions Manual Download Page 1

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Specifications:

Wing Span:

  31.5 Inches

Wing Area:  

183 Square Inches

Length:  

31 Inches

Weight RTF:  

15 - 17 Ounces

Functions:

  Ailerons, Elevator, Rudder and Throttle

Power:

  370 Motor w/3.67:1 Gear Box & 7.5 x 5 Propeller

Radio:

  4 Channel Micro w/3 Servos & 15 AMP ESC

The Wattage Tangent EP is distributed exclusively by

Global Hobby Distributors  18480 Bandilier Circle,

Fountain Valley, CA  92708

All contents copyright © 2002, Global Hobby

Distributors  Version V2.0  May 2002

Kit Product Number 128417

INSTRUCTIONS FOR FINAL ASSEMBLY

Electric-Powered Park-Flyer Pattern Plane

Summary of Contents for Tangent

Page 1: ...vator Rudder and Throttle Power 370 Motor w 3 67 1 Gear Box 7 5 x 5 Propeller Radio 4 Channel Micro w 3 Servos 15 AMP ESC The Wattage Tangent EP is distributed exclusively by Global Hobby Distributors 18480 Bandilier Circle Fountain Valley CA 92708 All contents copyright 2002 Global Hobby Distributors Version V2 0 May 2002 Kit Product Number 128417 INSTRUCTIONS FOR FINAL ASSEMBLY Electric Powered ...

Page 2: ...pts all resulting liability FOR YOUR INFORMATION To make your modeling experience totally enjoyable we recommend that you get experienced knowledgeable help with assembly and during your first flights Your local hobby shop has information about flying clubs in your area whose membership includes qualified instructors If there is no hobby shop in your area we recommend that you contact the AMA at t...

Page 3: ...hes and hassles that you might expect There are check boxes next to each step After you complete a step check off the box This will help prevent you from losing your place Cover your work table with brown paper or a soft cloth both to protect the table and to protect the parts Keep a couple of small bowls or jars handy to put the small parts in after you open the accessory bags We re all excited t...

Page 4: ... of handling 10 15 amps continuous current Again lighter is better Your ESC should weigh no more than 1 ounce including the wiring and switch Note Although a 10 amp ESC may work with our recommended battery motor gear box and propeller it is at the low end of the scale Since some customers may wish to experiment with other motors gear boxes batteries and propellers chances are a 15 amp ESC will th...

Page 5: ...18 Hitec 555 Micro Receiver Hitec Dual Conversion FM RX Crystal P N 444052 Cirrus CS 10 Super Micro Servos 3 P N 128484 Wattage IC 15A Micro ESC P N 128538 Wattage 8 Cell 800Mah 5 4AAA NiMH Flight Battery P N 130103 Wattage 7 8 Cell AC DC Peak Charger 3M 3 4 Wide Clear Plastic Tape Available at Most Hardware Stores Kwik Bond 5 Minute Epoxy 887560 Kwik Bond Thin C A 887500 Lightweight Oil or Vaseli...

Page 6: ...nding Gear Mounts 2 2mm x 5mm Wood Screws MOTOR ASSEMBLY 1 370 Size Motor w Gear Box 1 7 5 x 5 Nylon Propeller 1 Spinner Assembly Front Back 2 3mm Hex Nuts 1 3mm Flat Washer 3 2 5mm x 12mm Wood Screws CONTROL SYSTEM ASSEMBLIES 2 1 5mm x 150mm Threaded Wires 2 1 5mm x 400mm Threaded Wires 2 Prebent Aileron Torque Rods 2 Nylon Control Horns 2 Nylon Control Horn Backplates 2 Nylon Adjustable Control ...

Page 7: ... contact with the foam parts the parts will be destroyed and will not be covered under warranty Use only epoxy on the foam parts where glue is required If you decide to add painted details to the airplane use acrylic based paints and always test the paint on a scrap piece first We do not suggest storing your airplane in an extremely hot environment like the back of your car in direct sunlight for ...

Page 8: ...OU LL NEED THE FOLLOWING TOOLS AND SUPPLIES 220 Grit Sandpaper w Sanding Block Rotary Tool w Cutting Wheel Sanding Drum Masking Tape Paper Towels Rubbing Alcohol NHP Epoxy Mixing Sticks NHP Epoxy Mixing Cups Step 1 Cutting Out the Ailerons Turn one wing panel upside down so the molded aileron hinge groove is facing up toward you Use a modeling knife and a ruler to carefully cut out the inner and o...

Page 9: ...cluded to the top of the wing over the center section joint from the leading edge to the trailing edge Trim the ends of the tape flush with the wing using a modeling knife Using the same technique apply a strip of clear plastic tape over the center section joint on the bottom of the wing IMPORTANT Before gluing the wing panels together in the next procedure it s important to know that the top of t...

Page 10: ...ng alcohol and allow the epoxy to set up before proceeding WARNING Do not glue the torque rods to the wing or to the leading edge of the ailerons If you do this the ailerons will be glued solid and won t be able to pivot up and down Test fit each prebent torque rod into the molded grooves in the top of each wing panel The top of each torque rod should be even with the top of the wing There is a le...

Page 11: ...ck edge of the board is even with the trailing edge of the wing IMPORTANT Before installing the trailing edge reinforcement board in the next procedure make sure that both aileron torque rods are completely down in the molded grooves Flex the ailerons up and down several times to make sure the torque rods are not sticking to the reinforcement board Carefully remove the protective backing from the ...

Page 12: ...satisfied with the fit remove the plywood plate and mix a small quantity of 5 minute epoxy Glue the plate into place making sure that it is perpendicular to the bottom of the wing and not angled forward or backward Remove any excess epoxy using a paper towel and rubbing alcohol and hold the plate in place until the epoxy sets up IMPORTANT Making sure that the plywood plate is perpendicular to the ...

Page 13: ...t the two 180mm long balsa support rails into the notches in the front and back plywood plates When aligned properly the balsa rails should fit firmly against the bottom of the wing and they should be straight from the front plate to the back plate check this using the straight edge of your ruler They should not be bowed in or out When satisfied with the alignment glue the support rails into place...

Page 14: ... fuselage using the pilot hole as your guide When drilling the hole try to drill it parallel with the bottom of the fuselage Place the wing into the wing saddle and push the trailing edge down firmly into place Double check that the dowel in the leading edge of the wing fully engages the hole in the fuselage You may have to push the wing forward firmly and or make fine adjustments to the hole so t...

Page 15: ...ywood front plate Using 5 minute epoxy glue the piece of 3 4 square foam to the wing directly behind your flight battery The piece of foam will keep the flight battery from sliding backwards during flight After the epoxy has set up remove your flight battery from the wing Place the wing into the wing saddle and secure it into place using the 3mm x 18mm wood screw provided Do not overtighten the sc...

Page 16: ...oxy making sure to apply epoxy to the edges of the front and back plywood plates and to the sides of the balsa support rails Remove any excess epoxy using a paper towel and rubbing alcohol and hold the belly pan firmly in place and aligned using pieces of masking tape until the epoxy fully cures WARNING Be careful not get any epoxy between the wing and or belly pan and the fuselage After the epoxy...

Page 17: ... When gluing the dowel into place it s important that the dowel be glued securely into the channel and that the stabilizer be perfectly flat during the drying process A carbon fiber dowel is provided to strengthen the horizontal stabilizer For the strongest joint possible it s important that the dowel be installed correctly When installing the dowel two things are very important the dowel should b...

Page 18: ...est fit the joiner wire into the elevators When pushed into place it should be flush with the bottom of the elevators and fit firmly in the grooves The front of the joiner wire should also be even with the bevel in the leading edge of the elevators When satisfied with the alignment mix a small quantity of 5 minute epoxy and carefully glue the joiner wire into place Remove any excess epoxy using a ...

Page 19: ... post to match the curvature of the fuselage at both the top and the bottom When satisfied with the alignment remove the rudder post and lightly sand the gluing surfaces on the inside of the fuselage to roughen the fiberglass Glue the rudder post into place using a thin layer of 5 minute epoxy Remove any excess epoxy using a paper towel and rubbing alcohol and hold the rudder post in place using p...

Page 20: ...uld be aligned with the centerline of the rudder post and the two marks you drew on top of the leading edge should be lined up with the sides of the fuselage Attach the wing securely to the fuselage Check to make sure that the tips of the stabilizer are equal distances from the tips of the wing To do this use a ruler to measure from one wing tip to the stabilizer tip on the same side Do this for b...

Page 21: ...es of the stabilizer mounting slot to roughen the fiberglass Mix a generous amount of 5 minute epoxy and apply a thick layer to the inside edges of the stabilizer mounting slot and to the gluing surfaces on the top and bottom of the stabilizer Slide the stabilizer back into place and realign it Remove the worst of the excess epoxy using a paper towel and rubbing alcohol and use pieces of masking t...

Page 22: ...g 220 grit sandpaper with a sanding block carefully sand a shallow V shaped bevel in the leading edge of the rudder This will allow right and left movement of the rudder while keeping the hinge gap to a minimum WARNING Make sure you sand the bevel into the leading edge and not the trailing edge Using a modeling knife carefully cut away the portion of the rudder to clear the elevator joiner wire Ho...

Page 23: ...so that one half of the pivot point is recessed into the leading edge After the epoxy has set up pivot the hinges back and forth several times to loosen the pivot points Align the rudder with the back of the fuselage and carefully mark the locations of the two hinges onto the rudder post Carefully hand drill a 1 16 diameter hole into the rudder post at each of the two marks you drew Apply a thin l...

Page 24: ...e pivot point of the tiller arm Mix a small a small quantity of 5 minute epoxy and use it to glue only the tiller arm into the bottom of the rudder Before the epoxy sets up carefully secure the plastic bracket to the fuselage using the two 2mm x 5mm wood screws provided Make small pilot holes for the wood screws using a 1 16 drill bit 1 Phillips Head Screwdriver Electric or Hand Drill 1 16 5 16 Dr...

Page 25: ... below the top of the motor plate When satisfied with the alignment use a pencil to mark the locations of the three mounting holes onto the motor plate Remove the gear box assembly and set it aside Using a drill with a 1 16 drill bit drill pilot holes through the motor plate at each of the three marks you drew Set the gear box assembly back into place and realign it Install and tighten the three 2...

Page 26: ...hillips Head Screwdriver Magnum Z Bend Pliers Wire Cutters Needle Nose Pliers Excel Modeling Knife Electric or Hand Drill 1 16 Drill Bit YOU LL NEED THE FOLLOWING PARTS 2 1 5mm x 150mm Threaded Wires 2 1 5mm x 400mm Threaded Wires 2 Nylon Control Horns 2 Nylon Control Horn Backplates SECTION 10 CONTROL SYSTEM INSTALLATION 2 Nylon Adjustable Control Horns 4 Nylon Clevises 1 Foam Radio Tray 1 Servo ...

Page 27: ...t stick well to the fiberglass and the radio tray could come loose during flight Mix a small quantity of 5 minute epoxy and use it to glue the radio tray into place Remove any excess epoxy using a paper towel and rubbing alcohol and gently squeeze the fuselage sides together to hold the radio tray in position until the epoxy sets up Step 2 Installing the Elevator Rudder Servos Install the rubber g...

Page 28: ...te as a guide as shown So the control horn lines up properly with the pushrod the slot needs to be angled slightly toward the fuselage side Using a modeling knife carefully cut a slot through the elevator only large enough for the tip of the control horn to be pushed through From the top of the elevator push the control horn up through the slot When in place the tip of the control horn should face...

Page 29: ... horn and the elevator centered use a pencil to draw a mark on the pushrod wire where it crosses the hole that is 1 4 out from the center of the servo horn If you re using Cirrus CS 10 servos this will be the first hole in the servo arm Using Magnum Z Bend Pliers make a Z Bend in the pushrod wire at the mark you drew and use wire cutters to remove the excess wire Remove the servo horn Using a 1 16...

Page 30: ... the servo horn Step 4 Installing the Aileron Servo Install the rubber grommets and brass collets onto the aileron servo mounting lugs Using a ruler and a pencil measure back 2 1 2 from the leading edge of the wing at the centerline and draw a mark at this location Do this on the top of the wing Place your aileron servo on top of the wing aligning the servo output shaft with the mark you drew Cent...

Page 31: ...me amount of control throw make sure that both control horns are even with each other Plug the aileron servo lead into its proper slot in your receiver Plug the ESC lead into your receiver and plug the flight battery into your ESC Turn on your radio system and center the servo using the aileron trim lever on your transmitter Thread one nylon clevis onto each of the two 1 5mm x 150mm threaded pushr...

Page 32: ...Main Gear Wheel Retainers SECTION 11 MAIN LANDING GEAR INSTALLATION 2 Rubber Bands 2 Nylon Main Landing Gear Mounts YOU LL NEED THE FOLLOWING TOOLS AND SUPPLIES Paper Towels Rubbing Alcohol NHP Epoxy Mixing Sticks NHP Epoxy Mixing Cups If you plan on strictly flying your Tangent EP off of grass we suggest not installing the main gear assembly The main gear is not necessary for landing on grass and...

Page 33: ... toward the trailing edge When satisfied with the alignment hold the assembly in place and trace around the mounting plate using a pencil Step 2 Aligning the Landing Gear Assemblies Remove the landing gear assembly and use 220 grit sandpaper to roughen the bottom of the nylon mounting plate and the surface of the wing where the plate will be glued into place inside the outline you drew WARNING Not...

Page 34: ... Scissors Electric or Hand Drill 5 64 Drill Bit 220 Grit Sandpaper w Sanding Block optional YOU LL NEED THE FOLLOWING PARTS 1 7 5 x 5 Nylon Propeller 1 Spinner Assembly Front Back 2 3mm Hex Nuts 1 3mm Flat Washer SECTION 12 FINAL ASSEMBLY 1 Prepainted Canopy Cover Optional 1 Double Sided Foam Tape 1 Decal Sheet YOU LL NEED THE FOLLOWING TOOLS AND SUPPLIES Rotary Tool w Sanding Drum Paper Towels op...

Page 35: ...ainted canopy You should not cut out the fiberglass canopy under any circumstances Using a pair of scissors carefully cut out the canopy cover along the molded scribe lines Using 220 grit sandpaper with a sanding block sand the edges of the canopy cover smooth and straight Test fit the canopy cover onto the fuselage To align it properly the canopy cover should be pushed down firmly against the sur...

Page 36: ...ronic Speed Control Carefully solder the motor wires to your ESC being careful that the polarity is correct Make sure to use heat shrink tubing to insulate the solder joints Using a rotary tool with a sanding drum attachment cut a hole in the front of the wing saddle large enough for your ESC s battery connector to easily fit through WARNING Keep the hole as far away from the wing dowel hole as po...

Page 37: ... Working with one decal at a time use a pair of scissors to carefully cut out the decal along its outer edges Notice that next to each large decal there is printed its location on the airplane Remove the protective backing from the decal and apply the decal to the airplane Use the box cover photos to position the decals Lightly rub the decal with a soft cloth to remove any trapped air from beneath...

Page 38: ...plane falls the airplane is tail heavy To correct this move the receiver and or ESC forward enough to bring the airplane into balance When balanced correctly the airplane should sit level or slightly nose down when you lift it up with your fingers at the C G location Once you have flown and become familiar with the flight characteristics of the airplane the C G can be moved forward or aft up to 1 ...

Page 39: ...ight battery into the ESC and turn on the radio system WARNING Do not turn the receiver on unless the transmitter is turned on first Always turn the transmitter on first Never allow hands or clothing to get in the way of the propeller when the radio is turned on Sudden unwanted radio signals or turning the radio on with the throttle stick set at full throttle can turn the motor on unintentionally ...

Page 40: ...ng field for the first time Do not test fly your model for the first time without first having it safety checked by an experienced modeler Do not fly your model higher than approximately 400 feet within 3 miles of an airport without having an observer with you The observer should tell you about any full size aircraft in your vicinity and you should always give the right of way to full scale aircra...

Page 41: ...gh torque to pull the airplane through just about any maneuver you want You ll find that the airplane is responsive to control inputs and handles light winds with ease When trimmed and set up properly the Tangent EP goes where you put it and tracks like it s on rails With the C G set toward the back of the range snap rolls are crisp and very little elevator input is necessary for inverted flight A...

Page 42: ...lane pitches up C The nose of the airplane drops If A Trim settings are good If B Add nose weight If C Remove nose weight Yaw Into the wind do inside loops using only elevator Repeat test doing outside loops from an inverted entry A Wing is level throughout B Yaws to right in both inside and outside loops C Yaws to left in both inside and outside loops D Yaws to right in inside loops and yaws to l...

Page 43: ...Service Department to resolve the problem Yes No 7 Was any of the assembly difficult for you If yes please explain Yes No ____________________________________ ____________________________________ ____________________________________ ____________________________________ 8 What did you like most about this kit Assembly Manual Parts Fit Hardware Supplied Price Other __________________________________...

Page 44: ... Fold along dotted line Fold along dotted line Global Hobby Distributors Attn Global Services 18480 Bandilier Circle Fountain Valley CA 92728 8610 Post Office will not deliver without proper postage _____________________________ _____________________________ _____________________________ Return Address Here ...

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