Download
Share
Print this page
  1. Manuals
  2. Brands
  3. RedWing RC Manuals
  4. Toy
  5. Yak55
  6. Assembly manual

RedWing RC Yak 55 Assembly Manual

Hide thumbs Also See for Yak 55:

Advertisement

Quick Links

Download this manual
Yak 55 Assembly Manual

Advertisement

loading
Need help?

Need help?

Do you have a question about the Yak 55 and is the answer not in the manual?

Questions and answers

Related Manuals for RedWing RC Yak 55

Summary of Contents for RedWing RC Yak 55

  • Page 1 Yak 55 Assembly Manual...
  • Page 2 Thank you for purchasing the RedWing RC Yak 55. We have provided you with the highest quality kit and flight performance possible. We wish you great success in the assembly and flying of your new RedWing RC Yak 55. Caution! 1.

  • Page 3: Specifications

    Specifications Wingspan: 73” Wing area: 1005 in² All up flying weight: 10½ to 12 pounds, depending on hardware and building style Overall length: 66” Engine: any 30 to 36cc engine (DLE 30, DLE 35, PTE 36 recommended) Radio: 6 channel recommended (4 channel possible) CG: 25 to 30% back from LE at root Servos: 150 in-oz torque, metal gear.
  • Page 4 Optical kill switch on ignition recommended (available from RedWing RC) Battery: 3000 mah LiFe can be used for both ignition and receiver (available from RedWing RC) If desired, a separate battery of at least 1000 mah capacity can be used for ignition.
  • Page 5 Notes on radio installation While this airplane can be flown with a simple 4 channel transmitter, it is recommended that at least 6 channel computerized transmitter be used. The 4 channel transmitter would require the use of Y- harnesses on both aileron and elevator servos. The 6 channel transmitter allows plugging each servo into its own channel.
  • Page 6 Main gear is installed using nuts and bolts that are Place tail wheel bracket in positions and mark inserted in predrilled holes. Bolts go through landing location of the mounting holes. Note: locate the gear cover, main gear, then fuselage bottom. Nuts bracket as low as possible on the tapered section at are installed inside the fuselage and accessible via the the back of the fuselage.
  • Page 7 Remove all hinges from their pre-drilled holes. Several different types of adhesive are acceptable Scuff barbs on all hinges with coarse sandpaper for installing hinges. Epoxy, Gorilla Glue and or similar tool. aliphatic resin (Titebond II) all work. One benefit of the aliphatic resin is it cleans up with water until it cures.
  • Page 8 Once all hinges have been installed, clean off Install all hinges in the flying surface. Make sure excess adhesive. Flex hinge back and forth to all hinges line up the same. If you would like, help align the hinges in the holes. proceed directly to installing the hinges in the Rudder hinges have been completed.
  • Page 9 Remove covering over aileron servo openings and Note slots for rudder horns near bottom of rudder. control horn slots. Covering can be removed by either cutting it off with an X-acto or similar knife or by melting it with a pencil type of soldering iron. The soldering pencil seals the covering to the structure, but leaves some excess that needs to be cut off.
  • Page 10 Assemble aileron control horns and tighten bolt. Elevator control horns have been installed. Note: Scuff bottom of control horns (glue area) with coarse excess epoxy has not been cleaned off yet. sandpaper for better adhesion. Inject epoxy into both control horn slots. Apply additional epoxy to both sides of each control horn.
  • Page 11 Set aileron servo in position. Drill all four holes for Verify control horns have cured prior to installing mounting screws. Install screws, then remove and servos. move servo out of the way. Place a drop of thin CA Install isolation grommets and brass bushings in all glue in each hole to toughen threads in the plywood.
  • Page 12 Verify servo is centered. Install control arm on servo. Prepare servo arms. Carbon fiber arms are provided Servo arm should be parallel to hinge line. Manually for all control surface servos. The round wheels that Remove covering over aileron servo openings and Note slots for rudder horns near bottom of rudder.
  • Page 13 Install rudder servo. Note: spline faces front of Prepare pull-pull cables. Measure distance between ball link on rudder horn and ball link on airplane. Ball links should be on second to last hole in the arm. Servo arm sweeps toward back servo arm.
  • Page 14 Loop cable back through crimp. Pull end to Crimp with either pliers or a crimping tool. Add shorten loop prior to crimping. a drop of CA after crimping. Assemble both rudder cables to the length determined earlier. Thread one end of cable onto ball link on rudder Remove ball link from servo arm.
  • Page 15 Let’s move on to the fuselage. Start by taping the Remove template after drilling engine mounting drill guide for your engine to the firewall. Align holes. the horizontal and vertical centerlines with the laser marked lines on the firewall. Drill through circles with appropriate size drill.
  • Page 16 Reinstall engine without muffler and spark plug. Remove cowl. Temporarily install muffler and Install cowl. spark plug on engine. Make template for drilling cowl holes out of Mark location of muffler exhaust and spark plug heavy paper, make cutout for bulge in cowl. on template.
  • Page 17 Enlarge holes per revised marks. This time Cut hole in motorbox floor for throttle servo, just in front of wing. Verify location doesn’t interfere smooth edges, etc. Hole for spark plug includes ignition cap. with wing alignment pin or muffler (if canister). Provide hole for air to exit cowl.
  • Page 18 Reinstall engine. This time use thread lock on the Connect throttle pushrod using a quick link type of connector. mounting bolts. Choke uses a ball link, mainly to clear the throttle arm. Brass bracket for choke guide and choke pushrod are not included in the kit.
  • Page 19 A 3000 mah LiFe battery (available from lead is protected with spiral wrap (included with RedWing RC) is being used for both the radio engine) and goes into the radio compartment to and ignition. It is held in place with a couple of the battery.
  • Page 20 Temporarily install wheel pants. Add a drop of medium CA to collar of blind nut Bolt holes are slightly oversized. Make sure prior to fully tightening it. pants line up properly before completely Remove wheel pants to simplify installation of tightening bolts.
  • Page 21 Drill bottom of rudder to accept steering pin. Washer was soldered on to center the wheel on Only insert steering pin about ¼” into rudder. the axle. Wheel should be centered on the Install tail wheel and axle. vertical portion of the wire axle. Install steering pushrod, leaving at least ½”...

  • Page 22: Control Throws

    Note: Futaba flyers should use negative values for exponential. Balance the propeller. It is a good idea to balance it end to end and balance the hub. Redwing RC has a video that demonstrates how to balance the propeller hub.
  • Page 23 Remove covering over aileron servo openings and Note slots for rudder horns near bottom of rudder. control horn slots. Covering can be removed by either cutting it off with an X-acto or similar knife or by melting it with a pencil type of soldering iron. The soldering pencil seals the covering to the structure, but leaves some excess that needs to be cut off.