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4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System

4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
4 FR HD Sub250g 180mm Zeus25 AIO F7 4S 4 Inch Freestyle FPV Racing Drone w/ Caddx Polar Vista Digital System
  • Stock: In Stock
  • Model: ST22001202
  • SKU: ST22001202
$395.99
Ex Tax: $395.99

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Introduction:

About the design
developed the Rekon 4 FR to create a sub 250g freestyle platform that gests as close as possible to a "classic" five-inch quad. And while performance was the main objective, I still wanted it to be practical for everyday use:
- A robust frame with quick swap arms that can take hard crashes and offers good component protection.
- The option to carry light HD cameras (Naked Gobro, SMO, Insta 360).
- Compatibility with a widely available battery sized (650-850mah 4S).
- And finally, have some margin towards the sub 250g goal, so you do not have to worry about every gram of wire or tape you add to your build (if you are choosing the frame kit instead of the BNF).

Why 4 inch?
- A 4' platform can be built sub 250g pretty comfortably and you will be able to carry a relatively large battery for 4-6min of aggressive freestyle. The disc load is lower than on a sub 250g 5',making it less floaty and having more momentum when you "throw" the quad during freestyle tricks.
-A 4' quad can carry a naked Gobro type camera easily and without a noticeable impact on flight performance.

The analogue version is still sub 250 with a 25g naked Gobro and a 650mah 4S (unfortunately the digital version is not since the vista adds around 14g)
- 4' t-mount props have gotten pretty mainstream and there is a decent choice and availability (which is not the case for 3.5' )


Motor & prop choice
The motor and propeller configuration was important to achieving the desired flight characteristics.

After weeks of testing, I finally settled for an intermediate stator size with an aggressive KV. A stator larger than 1804 (e.g. 1606, 2004, 2204) didn't seem to offer any noticeable improvement of flight characteristics while adding a significant amount of weight. Anything smaller than 1804 just did not have enough torque to make the quad feel locked and snappy enough.

The best performing props were the Gemfan 4023 tribades. They are more on the aggressive side in comparison to the HQ T4x2x3 and while they can be pretty amp hungry on the relatively high kV 1804 motors, they ensure the quad has an impressive punch!


Specification:

Model: Rekon 4 FR ( HD Digital Version)

Item Name: Sub250g 180mm F7 4S 4 Inch Freestyle FPV Racing Drone

Weight: 143.2g

Rekon4 FR freestyle Frame
Wheelbase:180mm
Size:180*140mm
Zeus 25 AIO 3-6S flight controller

Input Voltage: 3-6S

FC Firmware: BF ZEUSF722_AIO(HGLR)
Installing Hole:25.5X25.5mm.M2
Dimensioms:32.5x32.5mm
Weight: 8.2g

CPU:STM32F722

MPU:MPU6000
OSD: Support
BEC:10V/1A & 5V/2A
LED:Support
BlackBox: NO
UARTS:5

Onboard 25A BL_32 4IN1 ESC

ESC Firmware: BLHeli_32

Current Sensor: not support
Constant Current:25A
Peak Current:30A(10s)

Rekon 1804 3500KV Motor
Motor:KV3500
Input voltage:3-4S
Gemfan 4023 3-Blade Propeller
Quantity:4 CW & 4 CCW
Caddx Polar Vista Digital System

Item Name: Polar Vista Kit
Weight: Vista Kit(camera included): 28g; Antenna: 1.5g
Dimensions: Vista Kit: 30x29x13mm; Camera: 19x19x24mm; Coaxial Cable: 120mm
Operating Frequency: 5.725-5.850GHz
Max.Transmission Distance: FCC/SRRC: 4km; CE: 0.7km
I/0 Interface: USB-C,IPEX,3-in-1port
Input Power: 7.4-26.4V
Power 0utput: 25mW/200mW/500mW/700mW
Camera Specifications:
Sensor: 1/1.8" Starlight CMOS
FOV: 162°(D);138°(H);75°(V)
Aspect Ratio: 16:9


Recommend Battery ( NOT Included): 4S 550-1000mAh


Pakage list:
1x Zeus25 V2 AIO 3-6S flight controller
1x CADDX Polar vista kit
1x Rekon4 FR Freestyle Frame
1x Rekon 1804 3500KV motor
8x Gemfan 4023 4-inch 3-blades propeller
1x Hammer Antenna (L Screen Printing)
1x receiver (optional)


HGLRC--RekonFPV-Rekon-4-FR-HD-Sub250g-180mm-Zeus25-AIO-F7-4S-4-Inch-Freestyle-FPV-Racing-Drone-w-Cad-1874536-1


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