GREAT PLANES Z-526 ZLIN Akrobat User Manual
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GREAT PLANES Z-526 ZLIN Akrobat User Manual

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SPECIFICATIONS
Wingspan:
Wing Area:
WARRANTY
Great Planes
Model Manufacturing Co. guarantees this kit to
®
be free from defects in both material and workmanship at the
date of purchase. This warranty does not cover any component
parts damaged by use or modification. In no case shall Great
Planes' liability exceed the original cost of the purchased kit.
Further, Great Planes reserves the right to change or modify this
warranty without notice.
In that Great Planes has no control over the final assembly or
material used for final assembly, no liability shall be assumed nor
accepted for any damage resulting from the use by the user of
the final user-assembled product. By the act of using the
user-assembled product, the user accepts all resulting liability.
If the buyer is not prepared to accept the liability associated
with the use of this product, the buyer is advised to return
READ THROUGH THIS MANUAL BEFORE STARTING CONSTRUCTION. IT CONTAINS IMPORTANT
INSTRUCTIONS AND WARNINGS CONCERNING THE ASSEMBLY AND USE OF THIS MODEL.
Entire Contents © Copyright 2009
Weight:
58 in
Wing
[1475mm]
Loading:
Length:
633 sq in
[40.9 dm
2
]
this kit immediately in new and unused condition to the
place of purchase.
To make a warranty claim send the defective part or item to
Hobby Services at the address below:
Include a letter stating your name, return shipping address, as
much contact information as possible (daytime telephone
number, fax number, e-mail address), a detailed description of
the problem and a photocopy of the purchase receipt. Upon
receipt of the package the problem will be evaluated as quickly
as possible.
Radio:
6 – 6.75 lb
Engine:
[2695-3005 g]
22 – 24 oz/sq ft
[66 – 74 g/dm
2
]
52 in
Motor:
[1320mm]
Hobby Services
3002 N. Apollo Dr. Suite 1
Champaign IL 61822 USA
Champaign, Illinois
(217) 398-8970, Ext 5
airsupport@greatplanes.com
4-5 channel system
w/ 4 std servos (electric),
or 5 std servos (glow)
.46 – .55 cu in
[7.5 – 9cc] two-stroke,
.52 – .70 cu in
[8.5 – 11.5cc] four-stroke
RimFire .55 (42-60-480)
w/ APC 13 x 10 E-Prop
GPMA1024 Mnl

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Summary of Contents for GREAT PLANES Z-526 ZLIN Akrobat

  • Page 1 3002 N. Apollo Dr. Suite 1 Champaign IL 61822 USA In that Great Planes has no control over the final assembly or material used for final assembly, no liability shall be assumed nor Include a letter stating your name, return shipping address, as...

  • Page 2: Table Of Contents

    Electric Motor Option & Required Parts . . . . . . . . . . . . 4 Great Planes Zlin 526 is a good aerobatics trainer and is a Radio System Recommendations .

  • Page 3: Safety Precautions

    PROTECT YOUR MODEL, YOURSELF LITHIUM BATTERY & OTHERS… FOLLOW THESE HANDLING & USAGE IMPORTANT SAFETY PRECAUTIONS WARNING!! Read the entire instruction sheet included with 1 . Your Zlin 526 Akrobat should not be considered a toy, but the battery . Failure to follow all instructions could cause rather a sophisticated, working model that functions very permanent damage to the battery and its surroundings, and much like a full-size airplane .

  • Page 4: Electric Motor Option & Required Parts

    (GPMM1850) #64 rubber bands (1/4 lb [113g] box, HCAQ2020) APC 13 x 10 E-Prop (APCQ4140) 18" flexible steel rule (HCAR0460) (2) Great Planes ElectriFly 11 . 1 V, 3200mAh 20C Hobbico Retractable Fabric Tape Measure LiPo BP Series (GPMP0727) (HCAR0478)

  • Page 5: Important Building Notes

    . Frequently you can study photos in following steps in the Kit Contents list . to get another view of the same parts . Great Planes Product Support • The Zlin 526 Akrobat is factory-covered with Top Flite ®...

  • Page 6: Kit Contents

    Replacement Parts List . Payment by credit card or personal check only; no C .O .D . Replacement parts for the Great Planes Zlin 526 Akrobat If additional assistance is required for any reason contact ARF are available using the order numbers in the Product Support by e-mail at productsupport@greatplanes .

  • Page 7: Prepare For Assembly

    PREPARE FOR ASSEMBLY ASSEMBLE THE WINGS Aileron Servos & Control Horn Installation 1 . Before you begin assembling your model, use a covering iron set to a medium temperature (about 250° F [121° C]) to tack down any loose or wrinkled covering . 1 .
  • Page 8 6 . Repeat steps 3 through 5 for the other aileron servo . 3 . Cut out three 1/2" x 1" [13mm x 25mm] pieces of thin 7 . Mix up a small batch of 30-minute epoxy and apply it to card stock (not supplied) .
  • Page 9 10 . Find the pre-drilled holes at each corner of each servo bay cover . Use a T-pin to poke holes though the covering and fit each servo bay cover to its wing . Use a 1/16" [1 .6mm] drill 13 .
  • Page 10 15 . Use two #2 x 1/2" [13mm] sheet-metal screws to attach the control horn to the aileron . Important: Remove the screws and harden the holes with thin CA . Reinstall 19 . Bend the pushrod 90° at the mark that you made . the screws .

  • Page 11: Main Landing Gear Installation

    Main Landing Gear Installation 1 . Locate the four 4mm wheel collars . Fit two wheel collars 4 . Locate eight #4 x 1/2" [13mm] sheet-metal screws . and a wheel onto the axles as shown . For each axle, mark Temporarily install the landing gear hold-down straps using the position of the wheel collars on the axle .

  • Page 12: Finish The Wings

    Finish the Wings 3 . Locate the one 1-3/8" [35mm] long hardwood dowel . Test fit this in the root wing rib of each wing . If necessary, sand the dowel until it fits . The dowel should protrude 5/8" [16mm] from each root rib .

  • Page 13: Assemble The Fuselage

    7 . Locate the two supplied nylon wing bolts and three #64 rubber bands (not supplied) . Fit the wing bolts in the wing so that each bolt is centered in the hole . Use two rubber bands 5 . With the epoxy fully cured, fit the aluminum wing tube on the wing bolts (one on the top side and one on the bottom) into one wing .
  • Page 14 2 . Test fit the horizontal stabilizer in the fuselage . Be careful to install it so that the red, white and blue trim is facing up . Check to see that the stab is parallel with the wings . Distance A must equal distance A" . If one side of the 4 .

  • Page 15: Hinge The Elevator & Rudder

    Hinge the Elevator & Rudder 1 . Locate six CA hinges . The hinges have a slit to help the CA wick into them better . Push a T-pin into the center of 4 . Check to see that the LE of each elevator can touch the the hinge, just slightly away from the slit .
  • Page 16 7 . Fit the wheel collars (without the set screws) and the wheel as shown . Mark the position of the wheel collars on 10 . With the tailwheel facing aft, test fit the rudder . Check the axle using a felt-tip pen . Remove the wheel collars and to see that the tailwheel is aligned with the rudder .

  • Page 17: Servo, Pushrod & Control Horn Installation

    3 . Use four #2 x 3/8" [9 .5mm] sheet-metal screws to install the elevator control horns . Remove the horns and carefully 13 . Align the tip of the rudder with the tip of the vertical wick one drop of thin CA into the screw holes . Allow the CA stab .
  • Page 18 6 . Use your radio to center two servos . Remove the servo 9 . Identify the left elevator pushrod and make a gentle arms and set one servo aside for now . Fit a long servo bend in it at the point shown so that it is parallel with the arm to your elevator servo .
  • Page 19 visible past the clevis barrel . Slide the pushrod into the rudder pushrod guide tube . This is located on the right fuselage side just below the elevator pushrod guide tube . 11 . Apply a drop of thread-locking compound to the 14 .

  • Page 20: Glow Engine Installation

    17 . Locate your rudder servo and servo arm that you set 19 . Set the rudder at neutral . Mark the rudder pushrod aside earlier . If you didn’t do so already, center the servo at the servo arm and bend the rod straight up 90° . Attach and remove the arm .

  • Page 21: Fuel Tank Installation

    VENT LINE Fuel Tank Installation 3/8" [9.5mm] 1 . Locate the parts shown for the fuel tank . Assemble the 3 . Carefully install the stopper into the tank so that the stopper as shown . Install the two shorter aluminum tubes on vent line points up to the top of the tank .

  • Page 22: Mount The Engine

    6 . Cut out two 1-3/4" x 4" [44mm x 102mm] pieces of 2 . Fit the engine to the mount and adjust the width of the 1/4" [6 .4mm] thick latex foam rubber . Install the fuel tank engine mount halves . Set the engine aside and center the with one piece above the tank and one below the tank .

  • Page 23: Rig The Throttle

    . Remove the engine from the mount and use a #36 drill bit to drill four holes completely through the mount . Tap the holes using a Great Planes 6-32 tap and drill set (GPMR8102) . 1 . Depending on the side you installed the throttle pushrod tube on, fit your throttle servo in the forward tray as shown .
  • Page 24 YES 90 ˚ ˚ 3 . Locate a 2-56 x 36" threaded pushrod, one nylon clevis, and one silicone retainer . If you are using a two- CUT OFF THE stroke engine, position the silicone retainer on the pushrod UNUSED ARMS and thread the clevis onto the pushrod so that at least 1/16"...

  • Page 25: Electric Motor Installation

    This setup uses a 6S LiPo battery setup . That means that you will have to use two 3-cell LiPo packs to make a 6S or 6 cells in series . The Great Planes series connector (GPMM3143) is used to connect the two batteries in series . Please refer to the Battery Precautions on page 33 and the Electric Motor Option &...
  • Page 26 4 . Install the front frame and motor assembly as shown . Position the motor and frame so that the motor 7 . Plug a Great Planes series connector into your ESC . measures 4-3/4" [121mm] from the knurled drive washer Wrap the connection with electrical tape .

  • Page 27: Mount The Batteries

    signal lead . Be sure to match the orange wire on the ESC lead to the white wire on the extension . Use a piece of 3/8" [9 .5mm] heat shrink tubing (not included) to secure the extension to the ESC lead . 2 .

  • Page 28: Final Assembly

    2 . Choose a place to mount your switch and charge jack that will not interfere with the servos or radio gear . We chose to use the Great Planes Switch & Charge Jack Mounting 5 . Install the switch and the charge connector to the mount Set (GPMM1000) .
  • Page 29 6 . Plug a 6" [152mm] Y-harness (FUTM4130) into the aileron channel on your receiver . 9 . Connect the receiver battery to the switch harness and the harness to the receiver . Use a piece of heat shrink tubing to secure the receiver battery to the switch harness .

  • Page 30: Cowl Installation

    Cowl Installation Several spots must be trimmed out on the cowl if using a glow engine . If you’re using the electric motor, no trimming is necessary . 3 . Fit the canopy and hatch assembly to the fuselage . Remove your muffler or anything that will interfere with the cowl .

  • Page 31: Propeller & Spinner Installation

    Pilot Installation (Optional) A pilot is not included with this ARF but we have made provisions for you to install one if you wish . The Great Planes 6 . Use four #2 x 3/8" [9 .5mm] sheet-metal screws with scale Civilian Pilot fits well and can be ordered in red four #2 flat washers to attach the cowl .

  • Page 32: Apply The Decals

    2 . Locate the oval shaped piece of wood supplied in this kit . Use epoxy to glue this into the base of the pilot figure . 5 . Turn over the hatch and glue the filler plate in place . 3 .

  • Page 33: Get The Model Ready To Fly

    4 . Use a piece of soft balsa or something similar to squeegee NO!!! remaining water from under the decal . Apply the rest of the decals the same way . 11.1V (3-Cell) GET THE MODEL READY TO FLY 3200mAh Different voltages 7.4V (2-Cell)

  • Page 34: Set The Control Throws

    . Use a Great Planes AccuThrow, a ruler, or an inclinometer to accurately measure and set the control throw of each control surface as indicated in the chart that follows .

  • Page 35: Balance The Model Laterally

    (glow), place the model upside-down on R/C club flying sites and AMA sanctioned flying events . a Great Planes CG Machine, or lift it upside-down at the Fill out the identification tag on page 39 and place it on balance point you marked .

  • Page 36: Charge The Radio Batteries

    We use a Top Flite Precision Magnetic Prop Balancer or otherwise get into the running propeller . (TOPQ5700) in the workshop and keep a Great Planes Fingertip Prop Balancer (GPMQ5000) in our flight box . Make all engine adjustments from behind the rotating propeller .

  • Page 37: Ama Safety Code

    Always keep your radio on when plugging the motor the aircraft are allowed at or in the front of the flight line . batteries into the ESC . Stay clear of the propeller at Intentional flying behind the flight line is prohibited . all times: Some ESC units do not have safety arming 4) I will operate my model using only radio control frequencies features, so any movement of the throttle stick may cause...

  • Page 38: Flying

    12 . Make sure there are silicone retainers on all the CAUTION (THIS APPLIES TO ALL R/C AIRPLANES): clevises and that all servo arms are secured to the servos If, while flying, you notice an alarming or unusual with the screws included with your radio . sound such as a low-pitched “buzz,”...

  • Page 39: Flight

    loop, check your altitude, mind the wind direction (anticipating Flight rudder corrections that will be required to maintain heading), remember to throttle back at the top, and make certain you are on the desired rates (high/low rates) . A flight plan greatly For reassurance and to keep an eye on other traffic, it is a reduces the chances of crashing your model just because of good idea to have an assistant on the flight line with you .

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