RTB 3 inch Micro Kit

RTB 3 inch Micro Kit
RTB 3 inch Micro Kit RTB 3 inch Micro Kit RTB 3 inch Micro Kit RTB 3 inch Micro Kit
Brand: Rotorgeeks
Product Code: Freestyle 3 Kit
Availability: Out Of Stock
Price: USD$174.00 USD$148.14
Discount: USD$25.86
Save: 15%

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Looking for that first build?  We've carefully chosen components for quality, compatibility and parts availability.  This 3" kit builds out to 100g + battery, well under the 250g legal limit while providing outstanding speed and performance!
We've worked out all the spacing and parts required to complete a clean build with great components.  And since we've built a few of these ourselves, support is readily available.

The frame is basically a scaled down version of a 5" with similar design features and replaceable arms.  The flight stack features an MPU6000 based F4 and 35A ESC.  Motors are the Amaxinno 1106 4300kv, suitable for 3" props on 3S and 4S.  For video, it comes with a 500mW vtx in the stack and Caddx Turbo Micro F2 camera.

It also comes with a buzzer/LED strip that fits on the back and can be dialed into any color or blink pattern you like.  The buzzer is of course essential for finding any small quad flying out in the wild.


AMAXinno Freestyle 3 Frame:

  • 130mm (3" propellers)
  • Full carbon
  • Takes 20x20 FC
  • Top / Bottom plates thickness: 1.5mm (each)
  • Arm thickness: 3mm
  • Takes Micro Camera (19mm)
  • Weight: 28g

iFlight SucceX-E Mini F4 V2 35A with VTX Flight Tower Stack:

Flight Controller:

  • MCU:168MHz STM32F405
  • Gyro:MPU6000
  • Blackbox:8MB
  • Betaflight OSD:YES
  • BEC:5V 2.5A
  • Uarts:5
  • ESC Telemetry:yes
  • INA Pad:nuart2
  • Input voltage:2-6S,MAX 8S
  • Firmware:betaflight_4.0.5_BETAFLIGHTF4.hex
  • Size:27*27mm /20*20mm φ3 mounting
  • Weight: 4g

4-in-1 ESC:

  • Dimension: 31*30mm
  • Mounting Holes: 20*20mm/Φ3mm
  • Weight: 6.9g
  • Supports 2-6S Lipo input
  • 35A per channel
  • Current sensor: YES
  • BEC: NO
  • Telemetry: NO
  • Supports: DShot DShot150/300/600/MultiShot/ OneShot etc.
  • Target: G-H-30 BLS 16.7


  • Input voltage: 2-6S
  • 48 standard channels, A/B/E/F/R Band
  • Output Power: pit/20/100/200/500mW
  • BEC Output: 5V for Camera or FC
  • RF Connector: MMCX
  • Video Format: NTSC/PAL
  • Size: 26*26mm /20*20mm φ3 mounting


  • Mounting hole:20*20mm,φ3mm
  • Size:27*27mm

Caddx Turbo Micro F2 4:3:

Model Turbo Micro F2
Image Sensor 1/3" CMOS sensor
Horizontal resolution 1200 TVL
Television  system NTSC/PAL (switchable)
Aspect Ratio 4:3
Minimal, lighting 0.001Lux@F1.2
lens 2.1mm lens
Synchronize internal
Electronic shutter NTSC: 2/60~100,000
Signal to noise ratio > 52dB(AGC OFF)
Video output CVBS
Audio Yes
Automatic gain control Yes
Camera OSD Yes
Language ENG / CHN
Image flip Stand By
Morning and evening Auto / color / black and white
size 19mm * 19mm * 19mm
Wide power input DC 4.5-40V
Operating temperature -20°C~+ 60°C
Working humidity 20%~80%
weight 5.5 grams (net)
colour Yellow/Green/Black

AMAXinno 1106 4300kv:

  • Size: 1106
  • KV: 4300
  • Lipo Cell: 2-4S Max. 250W / 20.4A @12V / 15.6A@16V
  • 2S:
    190G @ 5.79V / 8V / T3035
    136G @ 4.14A / 8V / 3025
    116G @ 4.66A / 8V / Q2035
    106G @ 3.16A / 8V / T2040
  • 3S:
    348G @ 11.39A / 12V / T3035
    250G @ 8.14A / 12V / 3025
    206G @ 6.09A / 12V / T2040
    199G @ 7.89A / 12V / Q2035
  • 4S:
    466G @ 15.28A / 16V / T3035
    336G @ 10.92A / 16V / 3025
    269G @ 8.07A / 16V / T2040
    263G @ 10.48A / 16V / Q2035
  • Wires length: 8cm
  • Weight: 6.2g

HQ Durables Tri T3x3 Three-hole mount:

  • 3 inch diameter
  • 3 inch pitch
  • 3 blades

Receiver of your choice.


  • 1x Amaxinno Freestyle 3 Frame
  • 1x iFlight SucceX-E Mini F4 Flight Tower System with VTX
  • 4x Amaxinno 1106-4300kv
  • 1x HQ Durables T3x3x3 Three hole mount (2xCW - 2x CCW)
  • 1x Addressable LED with Micro Buzzer
  • 4x TPU M2x1mm spacer
  • 1x RG Micro strap
  • 1x Caddx Turbo Micro F2
  • 1x receiver of your choice (optional)


If you want us to build it this machine for you or if you want to upgrade for a different camera contact us at support@rotorgeeks.com.

Recommended Batteries:

Our recommended battery is the GNB 3S 550 for maximum agility or the 650/750 for extended flight time.

Build Notes:

  • The frame is easy to assemble but instead of mounting the arms inside the body (as shown in their manual) install them at the bottom plate. It will give the necessary space for your stack.
  • Use the long screws provided with the flight stack and insert them at the bottom, then install the provided M2x1mm TPU spacers. Install the ESC then FC. Remove the grommets from the VTX and use the provided m2 nuts (the shorts one) on top of the flight controller. Install VTX and secure it with the provided M2 nuts (you will find these nuts in the flight stack kit).
  • The ESC and FC can be connected with the provided cable connector. You will have to solder the XT30 pigtail, motors to ESC, VTX to FC, camera to FC, Rx to FC, LED with Buzzer to FC. Check the manual here
  • all hardware uses a 1.5mm head hex driver and a 4.0mm nut driver for the locknuts

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