Great-planes Dirty Birdy .60 ARF - GPMA1975 Manuel d'utilisateur

DIRTY BIRDY .60 ARF INSTRUCTION MANUALChampaign, Illinois(217) 398-8970, Ext [email protected] THROUGH THIS MANUAL BEFORE STARTI

10❏ 6. Apply a drop of oil (household oil or bearing oil are acceptable) to each axle. Reinstall the collars and wheels onto the axles. Secure the col

11❏ 6. Temporarily slide the axle shown in step 7 onto the end of the gear struts to ensure they are centered in the wheel wells. Mark the locations o

12❏ 9. Remove the axles from the struts. A mark will be left on the struts from tightening the screws in the previous step. Grind a fl at spot at each

13❏ 13. Use the hardware included with the retract servo to mount it to the servo tray. Be sure to harden the servo mounting holes with thin CA glue.

14❏ 19. Fit the end of the pushrod into the screw lock connector on the opposite side of the servo as the retract. Repeat steps 15-18 for the other re

15❏ 5. With the retract assemblies temporarily in place, mark the wing where cutouts will be made to accommodate the coils in the struts. Remove the s

16❏ 9. Install the retracts using #4 x 5/8" [16mm] self-tapping screws. Use medium or thick CA to glue the air lines fl at against the wheel wells

17MOUNT THE WING❏ 1. Mount the wing to the fuselage using two 1/4-20 x 2" [51mm] nylon wing bolts. Align the forward and aft belly pan pieces ont

18INSTALL THE STABILIZERAND TAIL SERVOS❏ 1. Test-fi t the carbon stabilizer tubes in the fuselage and center them left and right.❏ 2. Test-fi t the left

19arms to match the photo. Enlarge the inner hole on the arm with a 5/64" [2mm] drill bit. Using the mounting hardware included with the servo, i

2INTRODUCTIONCongratulations on your purchase of the Dirty Birdy .60 ARF! For 35 years Joe Bridi’s design has been known for its capabilities of preci

20INSTALL THE POWER SYSTEMThe installation of an O.S.® .61 FX engine is shown in this section. O.S. has updated their engine line to now include a .65

Carefully remove this insert, in order to use your full size templates on the reverse side.

MECHANICAL NOSE GEAR ACTUATOR PUSHRODMECHANICAL/PNEUMATIC NOSE GEAR STEERINGTop ViewSide ViewTop ViewSide View

D TEMPLATEG PUSHROD TEMPLATEThis model belongs to:NameAddressCity, State, ZipPhone NumberAMA Number

Carefully remove this insert, in order to use your full size templates on the reverse side.

21❏ 5. Cut a 3-1/2" [89mm] piece from the included 1/4" x 1/4" x 11-3/4" [6 x 6 x 300mm] balsa stick that fi ts behind the fuel tan

22❏ 8. Install your muffl er onto the engine. Cut the fuel tubing coming from the tank to the proper length and connect the pressure and carb lines to

23INSTALL THE FIXED NOSE GEARIf you will be installing a mechanical or pneumatic nose gear retract, skip this section.❏ 1. Fit a 5/32" [4mm] whee

24❏ 5. If you plan to install retracts later, glue the retractable nose gear wheel well cover in place using several dots of medium or thick CA glue a

25INSTALL THE OPTIONAL MECHANICAL NOSE GEAR RETRACTIf you have already installed the fi xed nose gear, skip this section.❏ 1. Use a rotary tool with a

3SAFETY PRECAUTIONSProtect Your Model, Yourself & Others…Follow These Important Safety Precautions1. Your Dirty Birdy .60 ARF should not be consid

26❏ 7. Choose a retract servo arm that has a hole 1/2" [13mm] from the servo arm center. Determine the best orientation of the servo arm onto the

27❏ 12. Slide a wheel onto the axle and secure it with a 5/32" [4mm] wheel collar, 6-32 set screw and thread locking compound. A drop or two of o

2824" [610mm] PushrodUse the template in the center ofthis manual as a guide for thebend angles and pushrod length.❏ 15. A mechanical/pneumatic n

29INSTALL THE OPTIONAL PNEUMATIC NOSE GEAR RETRACT AND AIR CONTROL SYSTEMSkip this section if you have already installed the fi xed or mechanical landi

30❏ 6. Insert the air tank into the nose of the fuselage, pushing it as far forward as it will go. Cut a piece of scrap balsa to secure the tank in pl

31❏ 12. A mechanical/pneumatic nose gear steering pushrod template is provided at the back of this manual. Use a 17-1/2" [445mm] pushrod to make

32location and enlarge the hole to the diameter of the fi ll valve using a drill bit or a reaming tool (recommended method).❏ 17. Sand the inside of th

33point straight ahead with the nose gear strut pointing straight ahead (use the steering arm on the nose gear as a reference). Thoroughly tighten the

34screw into the hole and back it out. Apply a couple drops of thin CA to the hole and allow the glue the harden. Install the mount to the wing and ap

35soap per gallon of water. Submerse the decal in the soap and water and peel off the paper backing. Note: Even though the decals have a “sticky-back”

4Optional RetractsThe Dirty Birdy is designed to accept both mechanical and pneumatic retracts. If you plan to use mechanical retracts you only need t

36Balance the Model (C.G.)More than any other factor, the C.G. (balance point) can have the greatest effect on how a model fl ies, and may determine wh

37Balance PropellersCarefully balance your propeller and spare propellers before you fl y. An unbalanced prop can be the single most signifi cant cause

385) I will not fl y my model unless it is identifi ed with my name and address or AMA number, on or in the model. Note: This does not apply to models w

39CAUTION (This applies to all R/C airplanes)If, while fl ying, you notice an alarming or unusual sound such as a low-pitched “buzz,” this may indicat

GPMA1975 MnlEntire Contents © 2011 Hobbico,® Inc. All rights reserved.

5Building StandA building stand or cradle comes in handy during the build. We use the Robart Super Stand II (ROBP1402) for all our projects in R&D

6PREPARATIONS❏ 1. If you have not done so already, remove the major parts of the kit from the box and inspect for damage. If any parts are damaged or

7to being perpendicular with the servo case with the transmitter trims centered. Cut three arms from each servo arm leaving one arm on each servo that

8good lighting or use a small pin to puncture the covering). When satisfi ed, use a felt-tip pen to mark the location of the control horn mounting hole

9❏ 12. When satisfi ed with the fi t of the panels, mix up approximately 20cc [20ml] of 30-minute epoxy and thoroughly coat the insides of the wing join