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Hurricane 425 Basic Kit

Hurricane 425 Basic Kit

Discontinued Product

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SKU:
204399
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The lightweight kit comes with 425mm Blades which provides rock solid stability and dynamic maneuverability.
Precision CNC anodized aluminum Swash Plate and Guide.
The best power to weight ratio (822 W / KG) gives excellent 3D capability.
Multi-stage gear reduction system provides more gear ration options for different power system.
New designed 8mm One Way Gear Shaft provides high-efficiency power transfer.
Streamline cabin and canopy.
Push-pull linkages on CCPM mechanism limits any play for sharp control response.
Dupont plastic and fiberglass composite main frame.
Fully equipped ball bearings.(43 bearings)
Seesaw head with bell-hiller system.
Only a short time needed for completion. (Partial assembled)
Belt driven tail rotor.
Extensive CNC upgrade parts and option parts available.

Specifications:
Overall length: 900mm (including cabin & canopy)
Main rotor diameter: 965mm
Main blade length: 425mm
Tail rotor diameter: 217mm
Flybar paddle: 78*42*6mm
Tail blade length: 75mm
Overall height: 310 mm
Overall width: 80 mm
Motor: 1700w/kv1400 external brushless motor (Not Included)
ESC: 60A/25V ESC with built-in SBEC (Not Included)
Total weight: 1450g (Equipped with Blades and all electronic gears except Battery).
Main rotor blades: 425mm FG Blades (Not Included)
Flying duration: 5~6 minutes with 11.1v/2200mah Li-Po battery 2 packs in series 22.2v (Not Included)

Required:
6 (or more) channel heli-capable transmitter (with CCPM function)
4 servos (digital servo is recommended)
6 (or more) channel receiver
Motor: 1700w/kv1400 external brushless motor .
ESC: 60A/25V ESC with built-in SBEC.
Gyro ( GU -210 heading hold gyro or higher level are recommended)
Battery : Li-Po battery 3S1P (11.1v / 20C or more / 2000mah or more)*2 packs in series or 6S1P (22.2v/ 20C or more / 2000mah or more)*1 pack
Charger: Li-Po battery charger
Main rotor blades: 425mm FG Blades

  • SKU 204399
  • Brand -
  • Capacity (mAh) -
  • Shipping Weight 1989.0000
  • Packaging Length 565.00
  • Packaging Width 100.00
  • Packaging Height 240.00
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This is a top quality heli. It is just a bit bigger than a Trex 500, and is heavier which leads to it's stability. It is easier to fly than the Trex 500 due to its docile nature, but when you give it some throttle it is off like a rocket. Perfect combo!

A couple of pointers, ONLY use a Gaui motor pinion, otherwise you will strip the gears. Just goggle there are plenty of places that sell them. Also make sure you get the big round servo plates to attach to the ail/pit servos. I used a 80 amp esc and bluebird servos (from Hobbyking) and put an Align 780 Gyro and an Align520 tail servo on it. Flies like a dream.

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This is a top quality heli. It is just a bit bigger than a Trex 500, and is heavier which leads to it's stability. It is easier to fly than the Trex 500 due to its docile nature, but when you give it some throttle it is off like a rocket. Perfect combo!

A couple of pointers, ONLY use a Gaui motor pinion, otherwise you will strip the gears. Just goggle there are plenty of places that sell them. Also make sure you get the big round servo plates to attach to the ail/pit servos. I used a 80 amp esc and bluebird servos (from Hobbyking) and put an Align 780 Gyro and an Align520 tail servo on it. Flies like a dream.

I think I will wait for it until I die

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I think I will wait for it until I die

Goes together very well. The plastic parts are good, but I have some concern about the bearings. The OWB (One way bearing) failed at first spool up, and I'm reading reports now about the main bearings collapsing.



I highly recommend getting the metal flybar cage and the X5 tail blade holder assembly.



Note, there was no printing on the tail boom, that came with my kit, and the canopy supplied is definitely past it's used by date. Gaui needs to supply the FRP (fiberglass re-enforced plastic) canopy, or even better a painted FG one.

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Goes together very well. The plastic parts are good, but I have some concern about the bearings. The OWB (One way bearing) failed at first spool up, and I'm reading reports now about the main bearings collapsing.



I highly recommend getting the metal flybar cage and the X5 tail blade holder assembly.



Note, there was no printing on the tail boom, that came with my kit, and the canopy supplied is definitely past it's used by date. Gaui needs to supply the FRP (fiberglass re-enforced plastic) canopy, or even better a painted FG one.

Just finished building this kit and i am so impressed with the build quality. After building few clones like HK and CopterX, this one was the easiest to build without getting into any sort of problems. Man, i wish i'd knew about it before. Well its never too late, ordered another one :)

just for the info, mine came with front 50t gear.

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Just finished building this kit and i am so impressed with the build quality. After building few clones like HK and CopterX, this one was the easiest to build without getting into any sort of problems. Man, i wish i'd knew about it before. Well its never too late, ordered another one :)

just for the info, mine came with front 50t gear.

Excellent Helicopter for this price, In this case, you get more than what you pay. In my opinion it is the cheapest 500 sized helicopter. Additionally, The replacement parts of gaui 425 are cheap.
500 sized helicopters are ideal for beginners because there's balance between stability and agility. Buy it, you will not regret!

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Excellent Helicopter for this price, In this case, you get more than what you pay. In my opinion it is the cheapest 500 sized helicopter. Additionally, The replacement parts of gaui 425 are cheap.
500 sized helicopters are ideal for beginners because there's balance between stability and agility. Buy it, you will not regret!

Can't seem to post the address correctly for the head speed calulator, trying again. www.gaui.com.tw > faq > "How to calculate the main rotor speed of my Hurricane 425?"
http://www.gaui.com.tw/html/answer.asp?sn=134

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Can't seem to post the address correctly for the head speed calulator, trying again. www.gaui.com.tw > faq > "How to calculate the main rotor speed of my Hurricane 425?"
http://www.gaui.com.tw/html/answer.asp?sn=134

Good quality for the price. Please note that you also must order the motor pinion separately, as it is not included in the kit. The kit comes with a 50 T Front main gear, a 19 T One Way gear and a 61 T Rear Main gear. Complete this with an appropriate motor pinion depending on the motor you choose and the flying style you are capable of. You will find the head speed calculator for the ep425 at
http://www.gaui.com.tw/html/answer.asp?sn=134# (the address in the manual is wrong and outdated).

verified_user Quality:
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Good quality for the price. Please note that you also must order the motor pinion separately, as it is not included in the kit. The kit comes with a 50 T Front main gear, a 19 T One Way gear and a 61 T Rear Main gear. Complete this with an appropriate motor pinion depending on the motor you choose and the flying style you are capable of. You will find the head speed calculator for the ep425 at
http://www.gaui.com.tw/html/answer.asp?sn=134# (the address in the manual is wrong and outdated).

iATrex500B

vAK^P[WAiB

p[cKvA\B

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iATrex500B

vAK^P[WAiB

p[cKvA\B

Qualidade das peas impressionante, realmente um timo heli.

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Qualidade das peas impressionante, realmente um timo heli.

The Basic Gaui 425 is a nice kit. Definately worth the money. However, after recieving the kit and working towards getting it put together I have made the following realizations:
Parts are hard to find and expensive, the HK models of the same size follow the Align Trex model and have tons of parts and upgrades available for cheap.
If I did it again, I would go with one of the HK models.
It's a 5 star product with very little parts support bringing the star rating down significantly.

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

The Basic Gaui 425 is a nice kit. Definately worth the money. However, after recieving the kit and working towards getting it put together I have made the following realizations:
Parts are hard to find and expensive, the HK models of the same size follow the Align Trex model and have tons of parts and upgrades available for cheap.
If I did it again, I would go with one of the HK models.
It's a 5 star product with very little parts support bringing the star rating down significantly.

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