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Thank you for buying HeliArtist Products.450 scale fuselage is designed as an easy way to assembly. Please read
this instruction manual carefully before assembling the model,and follow all precautions and recommendations in
the manual.Make sure to retain the manual for future reference,routine maintenance,and tuning.This scale
fuselage is designed for T-REX 450 Helicopter series.You can easily put it on your T-REX 450 with belt tail system
for new clothing.
IMPORTANT NOTES
R/C helicopters are not toys.R/C helicopter utilize various high-tech products and technologies to provide superior
performance.Improper use of this product can result in serious injury or even death.Please read this manual
carefully before using and make sure to be conscious of your personal safety and the safety of others and your
environment when operating all HeliArtist products.
Manufacturer and seller assume no liability for the operation or the use of this product.Intended usage of this
fuselage is only for adults with experience of flying remote control helicopters at legal flying field.After the sale of
this product we cannot maintain any control over its operation or usage.
After assembling the scale fuselage,the weight will increase and the structure will become more complex,so we do
not recommmend to have any 3D fly as to avoid any accident and damage.
R/C products require a certain degree of skill to operate,and is a consumables item.Any damage or dissatisfaction
as a result of accidents or modifications are not covered by any warranty and cannot be returned for repair or
experience problems during operation or maintenance.
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450scale fuselge,suitable for T-REX450 Helicopter series
BEFORE ASSEMBLING
1:Check for all the parts in the list shown at bellow.
2:Some basic tools are needed to help the assembly.
Note:
Most of the 450 EC-145 fuselage assembly steps are similar
To 450 EC-135.
TOOL
1:Cutter knife. 2:Hexagon screw driver
3:Phillips screw driver. 4:File.
5:Diagonal cutting pliers.6:Silicone
7:CA glue. 8:AB(epoxy) glue 9:Fine sandpaper.
10:Scissors.
Fly only in safe areas,away from other people.Do not operate R/C aircraft within the vicinity of homes or crowds of
people.R/C aircraft are prone to accidents,failures,and crashes due to a variety of reasons including lack of
maintenance,pilot error,and radio interference.Pilots are responsible for their actions and damage or injury
happened during the operation or as a result of R/C aircraft models.
1:Aluminum Landing Gears x2 6:Scorpion Tail System Set x1
2:Aluminum Skids x2 7:Wood Piece Set x1
3:Landing Gear Mount x4 8:Horizontal Stabilizer x2
4:Skid Pipe End Cap x4 9:Vertical Stabilizer x2
5:Wood Landing Gear Stair x2 10:Screw Pack x1 set: (2x5mm Washers x6, M2 Nut x2, M2x12 Hex Cap Screws x2,
Self-Tapping Screws: 2x6mm x4, 2x10mm x4, 2x12mm x4,
2X14mm x4.)
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Assemble the Aluminum Skids to the Landing Gear
and secure them with CA glue.
Insert the Landing Gear Mounts to the Aluminum
Landing Gear.
Tighten the Aluminum Landing Gear to the bottom of
the fuselage using four 2x14mm Self-Tapping Screws
and 2x5mm Washers.
Tighten the Landing Gear Stairs onto the Landing Gears using
two 2x10mm Self-Tapping Screws for each Stair.
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Disassembly the Tail boom from the heli mechanism.
Disassembly the Tail Gear Case from the heli mechanism.
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Loosen the screw from the Scorpion Tail System circled
above.
Replace the belt with a longer one included in the fuselage
and assemble the Scorpion Tail Gear box with the tail boom of
the helicopter and set a proper angle as shown above to get
ready for insert to the Heli mechanism and fuselage.
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Insert the Heli assembly into the fuselage.(Remarks: loosen
and take off one M2 screw from the Scorpion Gear Box and
strengthen it before the insertion.)
Glue the wood blocks to the landing gear position of the Heli
Assembly using four 2x12mm Hex Cap Screws.
Glue the wood pieces together to form two wood blocks.
(Remarks: the hight of the wood block is depend on what heli
you use.)
Disassembling the Tail Cover from the fuselage same as
other HeliArtist Scorpion Fuselages.
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Insert the Wood Block installed on the Heli machanism to
the trough of the Quick Lock System on the fuselage body.
Reinstall the M2 screw which is took off in the previous
step 7 back to the Scorpion Tail Gear Box and tighten it
now. And insert the Linkage Ball to the Ball Link of the Tail
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Insert the tail system assembled on Step 8 into the Heli
mechanism body.
Fix the tail push rod with a Zip Tie.
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End of Manual
Assemble the Horizontal and Vertical Stabilizers together
using two 2x6mm Self-Tapping Screws.
Reinstall the M2 screw which is took off in the previous
step 7 back to the Scorpion Tail Gear Box and tighten it
now. And insert the Linkage Ball to the Ball Link of the Tail
Push rod.
Install the Tail Cover back to the fuselage using SelfÂTapping screws.
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Adjust the Heli Mechanism in the fuselage and drill 2mm
holes on both the left and right side of the Fuselage body
wood block.
Secure the Heli mechanism onto the wood block of the
fuselage using two 2x12mm Hex Cap Screws and Washers
with M2 Nuts.
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Or we can secure the Heli mechanism onto the wood block
of the fuselage using a Zip Tie.
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Insert the Horizontal Stabilizers into the tail of the fuselage
and secure them using epoxy.
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