Extreme Flight GB1 GAMEBIRD EXP Manual de usuario
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GB1 GAMEBIRD EXP
60 Inch Electric ARF
Assembly Manual
Copyright Extreme Flight 2019
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Congratulations on your purchase of the Extreme Flight RC 60 inch GB1 Gamebird EXP ARF! The full
scale Game Composites GB1 Gamebird was designed by Philipp Steinbach. It is an ultra-modern all
carbon fiber composite construction aerobatic masterpiece with gorgeous flowing lines and truly amazing
performance capabilities. We were given Philipp's blessings to model his Gamebird and allowed access
to his CAD and 3D drawings of the GB1 which allowed us to recreate the unique styling of this aircraft
while tweaking it ever so slightly to achieve the performance capabilities of our other current EXP
models. The result is a beautiful model aircraft with outstanding 3D, Precision and XA flight
capabilities that pays tribute to this modern aerobatic wonder. Thank you Philipp!
In addition to the industry leading composite laminated construction methods found in our current
aircraft you will notice some interesting new tech incorporated into the Gamebird EXP; a unique wing
retention system that provides a robust and very secure method of attaching or removing the wings from
the fuselage in a matter of seconds. There is also a new carbon fiber canopy lock system that secures the
canopy to the fuselage while providing virtually instant access to the interior of the plane. The high level
of prefabrication in this airframe kit allows for a quick and easy assembly. An experienced modeler can
easily assemble this model in a single evening of relaxed assembly steps.
If repairs become necessary, the Ultracote colors used on the Gamebird are as follows:
Green scheme: Apple Green #HANU903, White #HANU870, Black #HANU874, Silver #HANU881
Red scheme: True Red #HANU866, White #HANU870, Silver #HANU881, Black #HANU874
Extreme Flight R/C reserves the right to alter the assembly process at any time. While we do our best to
update the manuals, sometimes there are minor changes in the process of the build. If you have any
questions regarding assembly please check the webpage for any assembly manual addendums or contact
us before moving forward.
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Please read the following paragraphs before beginning assembly
of your aircraft!
THIS IS NOT A TOY! Serious injury, destruction of property, or even death may result
from the misuse of this product. Extreme Flight RC is providing you, the consumer with a
very high quality model aircraft component kit, from which you, the consumer, will
assemble a flying model. It is beyond our control to monitor the finished aircraft you
produce. Extreme Flight RC will in no way accept or assume responsibility or liability for
damages resulting from the use of this user assembled product. This aircraft should be
flown in accordance to the AMA safety code. It is highly recommended that you join the
Academy of Model Aeronautics in order to be properly insured, and to operate your
model at AMA sanctioned flying fields only. If you are not willing to accept ALL liability
for the use of this product, please return it to the place of purchase immediately.
Extreme Flight RC, Ltd. guarantees this kit to be free of defects in materials and
workmanship for a period of 30 DAYS from the date of purchase. All warranty claims
must be accompanied by the original dated receipt. This warranty is extended to the
original purchaser of the aircraft kit only.
Extreme Flight RC in no way warranties its aircraft against flutter. We have put these
aircraft through the most grueling flight tests imaginable and have not experienced any
control surface flutter. Proper servo selection and linkage setup is absolutely essential.
Inadequate servos or improper linkage setup may result in flutter and possibly the
complete destruction of your aircraft. If you are not experienced in this type of linkage
setup or have questions regarding servo choices, please contact us at
[email protected] or 770-887-1794. It is your responsibility to ensure the
airworthiness of your model.
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Tips for Success:
1. Before starting assembly, take a few minutes to read the entire instruction manual to familiarize
yourself with the assembly process.
2. Please take a few minutes and go over all the seams on the aircraft with a covering iron on a medium
heat setting.
3. Use a fresh bottle of thin CA with a fine glue tip when attaching the CA hinges. This will ensure that
the proper amount of CA wicks into the hinge and surrounding balsa wood and creates a proper bond
between the wood and hinges. We are big fans of the Mercury line of adhesives as well as the glue tips
provided by them.
4. Apply a couple drops of CA to high stress areas such as anti-rotation pins, landing gear mounts, servo
trays and motor box joints .
5. When applying decals, first clean the area where the decal will be applied with alcohol. Mist the area
lightly with Windex or Rapid Tack before applying the decal which will allow you to properly position it,
then use a rubber squeegee to push all of the liquid from under the decal. This will result in very few air
pockets trapped under the decal.
6. Take the time to properly balance and trim your aircraft and set up rates and exponential values.
Your flying experience will be greatly enhanced by doing this.
Items needed for completion
-Hobby knife with #11 blades.
-Hobby sealing iron.
-Thin and medium CA. We highly recommend Mercury M5T thin and M100XF medium formulas as
well as the Mercury glue tips.
-Blue Loctite.
-Small flat head and Phillip's head screw drivers.
-Standard and needle nose pliers.
-Metric balldriver or allen key set.
-Sanding block and sandpaper.
-4 mini metal geared servos. All flight testing was performed with Hitec HS-7245s, MKS 9767s and Savox
1260s. Please note that the MKS and Savox servos will require slight elongation of the servo slots.
-4 Extreme Flight Anodized 1.25" lightweight servo arms.
-Torque 4016T/500 Brushless Outrunner.
-Airboss Elite 80 Amp ESC or Castle Creations Talon 90 if using HV servos.
-6S 3300-4000 mah LiPo battery.
- 16x7 Xoar PJN Electric wood prop.
-2-24" extensions for the 2 rear servos, 2-6"extensions to go between the receiver and the aileron servo
leads, 1-12" extension for the ESC lead.
-Extreme Flight Servo Safety Locks
-Adhesive backed Velcro and Velcro strap for battery retention.
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Let's begin!
1. Locate the 2 wing panels with ailerons as well as the 2 G10 aileron control horns and base plates. You
will find 4 G10 control horns in the hardware package; 2 horns with longer shanks (the portion of the
control horn that glues into the surface) and 2 horns with shorter shanks. For the ailerons you want to
use the 2 horns with the longer shanks.
2. Insert a control horn into a baseplate and trial fit this assembly into the slot in the bottom of the
aileron. Once satisfied with the fit, remove the control horn and scuff both sides of the shank with
sandpaper to assure maximum glue adhesion. Use medium CA to glue the control horn into the slot as
shown. Wipe away any excess glue. Once dry tug on the control horn to make sure it is glued securely in
place.
3. Center the hinges in their slots and slide the aileron into position making sure the outer tip of the
aileron is flush with the wing tip and that there is no more than 1mm gap between the aileron and wing
trailing edge. Apply a drop of CA at each hinge location on both the top and bottom side of the wing.
Use a fresh bottle of thin CA and a fine glue tip for best results.
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4. Install your choice of servo with the output spline oriented toward the trailing edge of the wing. We
recommend the use of the Extreme Flight Xcessories socket head servo screws for servo mounting.
Please note that some of the newer mini servos are slightly longer than the industry standard and may
require a slight modification to the servo mounting plate. This can be achieved quite easily with a sharp
#11 blade and hobby knife. Take your time and remove a small amount of material at each end of the
slot until the proper fit is achieved.
5. Locate the aileron pushrods, ball links and 2mm mounting hardware. Electronically center the servo
and assemble the linkage as shown in the picture, paying careful attention to the orientation of the
pushrod and ball link in relation to the G10 control horn. We highly recommend using the 2nd hole in
from the end of the Extreme Flight lightweight 1.25" servo arm for maximum mechanical advantage
while allowing you to run a high end point number for improved servo resolution. Repeat these steps for
the other wing panel then do a final touch up of all the seams with your covering iron.
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Fuselage assembly
6. First lets assemble the landing gear unit and bolt it to the fuselage. Locate the main wheels, wheel
pants, one piece carbon fiber landing gear, 2 axles, 2 wheel collars, 2 large washers to fit the threaded
portion of the axles, and 2 nylon insert locknuts.
7. Place the threaded portion of the axle through the hole in the carbon gear leg. Place a washer on the
threaded portion of the axle and screw the lock nut onto the axle, but do not tighten completely. Slide the
wheel onto the axle and secure with a wheel collar. Be sure to add some blue Loctite to the setscrew in
the wheel collar before tightening it down. There is a slot pre-cut in the wheel pant along with a molded
recess to allow it to fit over the axle and fit securely against the gear leg. Slide the wheel pant into
position over the axle and tighten the nut on the axle, taking care to make sure the wheel pant is
positioned properly. Repeat this process for the remaining wheel pant. This is probably better
illustrated in the following series of pictures.
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8. Secure the landing gear to the fuselage by inserting a 3mm bolt into a washer, through the carbon fiber
gear and into the pre-installed blind nuts in the fuselage. Make sure to use a drop of blue Loctite on each
bolt to prevent them from backing out. Please note the carbon gear should sweep back in relation to the
fuselage.
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9. Next lets mount the horizontal stab. In preparation to do this we need to remove the Ultracote
covered filler block at the rear of the stab slot. I also find it easier to go ahead and hinge the elevator and
install the control horn before gluing the stab into place. Locate one of the control horns with the shorter
shanks. Scuff the area that will be glued into the surface, slide it into the baseplate and glue into the pre-
cut slot with medium CA.
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