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WINGSPAN
WING AREA
FUSELAGE LENGTH
WEIGHT (READY TO FLY)
WING LOADING
LIMITED WARRANT Y
AirfoilZ takes pride in the care and attention given to manufacturing of the components in this kit. The Company
warrants replacement of any materials found to be defective for their intended use prior to their usage in the
construction of the model, provided that the purchaser requests such replacement within a one year period
from the date of purchase and that the purchaser returns the part if the Company so requests. No other warranty,
expressed or implied, is made by the Company with respect to this kit. The purchaser assumes full responsibility
for the risk and all liability for personal or property damage or injury resulting from the purchaser's use of the
components of this kit, assembled or not.
The Company reserves the right to provide a full refund to the purchaser if the model does not perform as adver-
tised. Any refund is at the sole discretion of the Company.
A TECH HOBBIES, LLC COMPANY
P. O. Box 301
Edison, New Jersey 08817
© 2007 ALL RIGHTS RESERVED
40 inches
350 sq in
35.5 inches
16 to 20 oz
5.8 to 7.0 oz/sq ft
Tel: 732.406.5726
Web: www.airfoilz.com
Fax: 732.467.5504
Email: info@airfoilz.com
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Table of Contents
Related Manuals for AirfoilZ YAK54
Summary of Contents for AirfoilZ YAK54
- Page 1 LIMITED WARRANT Y AirfoilZ takes pride in the care and attention given to manufacturing of the components in this kit. The Company warrants replacement of any materials found to be defective for their intended use prior to their usage in the construction of the model, provided that the purchaser requests such replacement within a one year period from the date of purchase and that the purchaser returns the part if the Company so requests.
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Page 2: Table Of Contents
8.4 Installing the Rudder 8.5 Aileron Installation SERVO, PUSHROD, & CONTROL HORN INSTALLATION 9.1 Elevator & Rudder Servo Installation 9.2 Control Horn Installation 9.3 Push Rod Assembly & Installation LANDING GEAR INSTALLATION 10.1 Main Landing Gear 10.2 Tail Skid WWW.AIRFOILZ.COM... -
Page 3: Introduction
POWER SYSTEM RECOMMENDATION This plane has been designed using a Hacker A20-20L Thank you for choosing the AirfoilZ Yak54 airplane. We Brushless Motor with a Hacker X-20 Speed Controller and have taken great care to provide a design and kit com-... -
Page 4: Power & Control Equipment
YF-09c ¼” sq. balsa tail post tact us, and we will be happy to assist you. If you need re- placement parts, please provide the model name (Yak54) and reference the part numbers listed to the right. YF-01 YF-02 x 2... - Page 5 YF-05b x 2 YF-07 x 2 YF-05a YF-05 YF-07a x 2 YF-07d x 2 WING ASSEMBLY PARTS WING PANEL PARTS YF-07b2 YF-07b1 YF-07b4 x 2 YF-07b3 x 2 SPAR ASSEMBLY PARTS YF-08 YF-08c YF-09c YF-08a Hinges YF-09 x 2 TAIL ASSEMBLY PARTS ©...
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Page 6: Assembly Tips
YF-03A x 2 FIGURE 1 Carefully glue the nose doublers in place with foam safe CA or 12 minute epoxy, being careful to align the dou- blers with the motor cutout in the fuselage and with each other. (See Figure 2.) WWW.AIRFOILZ.COM... - Page 7 FIGURE 2 After the glue has set on the nose doublers, slide the mo- FIGURE 4 tor mount/fi rewall in place from the front. If the notches in the motor mount are too small, lightly sand or fi le until The balsa tri-stock will need to be trimmed to the the motor mount fi ts properly.
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Page 8: Landing Gear Mount
(YF-05a), and the 2 plastic landing gear mount fuselage doublers (YF-05b) (Figure 8). YF-05b x 2 YF-05a FIGURE 6 YF-05 FIGURE 8 Epoxy the cap to the mount to create the landing gear block. See Figure 9. FIGURE 7 FIGURE 9 WWW.AIRFOILZ.COM... -
Page 9: Wing Assembly & Installation
Test fi t the block in the cutout in the fuselage. If neces- Check the fi t of the landing gear wire in the slot. When sary, carefully sand the fuselage to widen it. Square up satisfi ed with the fi t, epoxy the block to the fuselage, the cutout end in the fuselage if necessary so that the being careful not to get epoxy in the hole in the middle block will fi t completely into the fuselage. - Page 10 (thick balsa) along the center of the cap strip. Starting at one end, tack the web in place at 6-inch increments with thin CA, fi rmly push- ing the web in place as you glue. See Figures 15 and 16. FIGURE 16 WWW.AIRFOILZ.COM...
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Page 11: Wing Panel Assembly
Repeat the process with the other cap strip, being sure Wing Panel Assembly to place the cap strip splice joint at the opposite end of the spar from the fi rst cap strip splice joint. See Figures 17 and 18. Locate the two wing panels (YF-07), the two wing panel alignment tabs (YF-07a), and the two wing tip caps (YF- 07d). - Page 12 Line up the spar with the center marks made previously on both the root and edge of the wing as shown in Figure 23. FIGURE 24 WWW.AIRFOILZ.COM...
- Page 13 FIGURE 25 FIGURE 27 Place the other wing panel on top of the spar and verify the length once again. The spar should be just inside the Apply a bead of Gorilla Glue to both sides of the spar, just wingtip on the end of the wing.
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Page 14: Wing/Fuselage Assembly
Glue the wing tip caps onto the Slide the wing out approximately ¾ inch and apply the wing using foam safe CA and foam safe kicker (Figure glue to the wing centerline. Lightly mist with water and 32). WWW.AIRFOILZ.COM... -
Page 15: Tail Feather Assembly & Installation
slide the wing back in place. Carefully align the wing An alternate method is to align the wing as in Figure 35 with the fuselage and check that the distance from the and tack it in place using foam safe CA. The wing can trailing edge at each wing, tip to the rear of the fuselage, then be permanently glued in position by creating a fi llet is the same. -
Page 16: Joiner
15 minute epoxy and micro balloons can be used. See Figure 39. Using the end of the elevator joiner, gently create a shal- low groove in the elevator joiner cutout (Figure 38). FIGURE 39 FIGURE 38 WWW.AIRFOILZ.COM... - Page 17 Cut out the fl ashing at the rear of the fuselage above the Securing the horizontal stabilizer slot, taking care not to crack the outside skin (Figure 42). & VERTICAL STABILIZER When the epoxy has cured, check the fi t between the horizontal stabilizer and the elevator.
- Page 18 (Figure 48). This will help ensure that the horizontal stabilizer is squared up to the fuselage. FIGURE 47 FIGURE 45 WWW.AIRFOILZ.COM...
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Page 19: Installing The Elevator
FIGURE 50 Using your X-Acto knife, carefully cut a slit along the cen- terline of both the stabilizer and elevator at each hinge location. Test fi t the hinges into the slits. Check that the FIGURE 48 elevator can move at least 50 degrees in each direction. If necessary, widen the slot in the fuselage at the CF ele- When the epoxy has cured, check that the back of the vator joiner location to allow full travel. -
Page 20: Aileron Installation
(Figure 55). and the rudder at each hinge location. Install the hinges using the same procedure as used for the elevator. See Figure 53. WWW.AIRFOILZ.COM... -
Page 21: Servo, Pushrod, & Control
FIGURE 55 Cut the tape along the hinge line and remove the aile- ron. Using your X-Acto knife, carefully cut a slit along the centerline of both the aileron and the wing trailing edge at each hinge location. Please note that the wing has a glue seam along the centerline of the trailing edge. -
Page 22: Control Horn Installation
Figure 60, and a completed control horn is shown in Fig- lug location. Secure the servos in place with the servo ure 61. mounting screws provided with the servos. See Figure FIGURE 60 FIGURE 58 FIGURE 61 WWW.AIRFOILZ.COM... -
Page 23: Push Rod Assembly & Installation
Mark the location of the control horns on each of the Push Rod Assembly control surfaces, making sure that the holes in the con- trol horn are in line with the control surface hinge line. & INSTALLATION With the control horn in its proper location, mark the length of the control horn and cut a slit with an X-Acto Locate the 1/8”... -
Page 24: Landing Gear Installation
YF-06b wire. Secure with CA. Attach the plywood tailskid mount YF-06a to the rear of the fuselage using foam safe CA or epoxy. See Figure 68. FIGURE 65 WWW.AIRFOILZ.COM... -
Page 25: Read Through This Manual Before Beginning Construction Installation
FIGURE 69 The prop adapter will then need to be mounted to the front of the motor. Again use blue threadlock to mount FIGURE 68 it. Make sure the motor still spins freely. The prop adapt- er can be seen in Figure 71. MOTOR, ESC, RECEIVER 11.2 Motor Mounting... -
Page 26: Electronics Mounting
Azarr or the RC Direct Peel & Stick Antenna available at www.3dxhobbies.com. APPLYING THE VINYL GRAPHICS When applying the included vinyl graphics, consult the enclosed reference sheet for notations on where to place them. To apply them, you may fi nd it helpful to add a WWW.AIRFOILZ.COM... -
Page 27: Controls
travel. If your radio has a dual rate function, set the low couple drops of dishwashing soap to a spray bottle rates to suit your taste. Start with 50% of throw on low fi lled with water. Lightly spray the area just before you rates. - Page 28 A TECH HOBBIES, LLC COMPANY P. O. Box 301 Tel: 732.406.5726 Web: www.airfoilz.com Fax: 732.467.5504 Email: info@airfoilz.com Edison, New Jersey 08817...
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