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Assault 450DFC TT Flybarless 3D Helicopter Kit

Assault 450DFC TT Flybarless 3D Helicopter Kit


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1 g

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The Assault 450DFC TT (Torque Tube) Flybarless 3D Helicopter Kit is an improved kit version of the popular Assault 450DFC Ready to Fly Helicopter. Instead of the popular belt driven tail rotor this version has the upgraded metal torque tube drive to the tail with a fully machined aluminum tail rotor gearbox. This gives the tail rotor a more precise locked in feel to the tail rotor control and less bounce when quickly returned to neutral. With this kit version you can choose which motor, servos, electronics and radio you wish to use to build a truly customised 3D helicopter that has carried on the tradition and high quality of the original range of Assault 450 helicopters. Assembly is very straightforward and simple and a detailed instruction manual is supplied.

One of the key features of the AssaultDFC is the Direct Flight Control rotor head which is fully CNC machined from aluminum and provides crisp, precise control with a very low parts count and easy set up. The DFC rotor head brings the rotor disc closer to the main frame, moving the center of gravity closer to the middle of the helicopter. The servo positions have been moved and redesigned from the RTF Assault 450 making the set up and fitting of the servos even easier, the mounts are now incorporated into the aluminum main shaft bearing holders.This set up provides better flight characteristics and more agility allowing for the ultimate in extreme 3D flight performance.

The Assault 450 is full of aluminum parts which other manufacturers normally sell as upgrades and the main frames and baseplate are constructed from lightweight yet rigid carbon fiber. On the main frame the dual main shaft bearing blocks, motor mount, baseplate mounts and the rear servo mount are accurately CNC machined from aluminum. The tail servo has now been re-positioned from the original 450DFC and is located between the frames at the rear, this gives a perfect direct inline route for the tail rotor pushrod. The complete tail assembly is also fully machined from aluminum and features tough nylon gears and a dual supported tail pitch slider which provides a slop free precision tail rotor.

Some of these improved features are as follows:
• Improved servo mount and position for cyclic servos
• Improved servo mount position for tail servo
• Re-designed and improved carbon side frames
• Torque tube tail drive with right angle gearbox for improved tail control
• More parts are CNC machined from aluminum and less are molded nylon
• Improved rotor head and swashplate system
• CNC machined aluminum motor mount
• Many more ballraces included

Type: Collective Pitch 3D Flybarless Helicopter Kit
Main Rotor Diameter: 710mm
Tail Rotor Diameter: 158mm
Main gear: 150T
Pinion Gear: 13T
Gear ratio: 11.54
Length: 635mm
Weight: 420g (frame only)

Assault 450DFC TT assembly kit
Tail rotor blades
Blade support caddy
Cable ties and assembly hardware
Motor pinion (13T)
Assembly manual

3 x High torque metal geared mini servos (max length 24mm)
1 x High speed tail rotor servo (max length 36.5mm)
1 x Flybarless system
1 x 450 size brushless helicopter motor (2500~3500Kv)
1 x 2200mah 3~4S LiPoly battery
1 x 40~60amp ESC
1pr Main rotor blades (max 325mm)
1 x 6ch Transmitter and receiver
1 x Charger for 3~4S LiPoly batteries


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I got this kit as special offer for a very good price. Initially I wanted it mainly for the spare parts compatible with my HK 450 PRO TT FBL but since I like the kit very much and I only need a few extra parts, I will build my second 450 helicopter as DFC which gives me a chance to see the difference between standard FBL and DFC. The kit has the same chassis in good quality like the HK 450 PRO but has a really nice tail rotor gearbox without any play whatsoever and has the DFC Head which also seems very good quality. There is also a nice assembly manual with good detailed pictures. I really like the Kit!
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  • assault Hobbyking 450 heli kit

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essential items and