• Gemfan 1811-3 45mm 3-blade micro drone propeller set, black, neon green and clear gray
  • Gemfan 1811-3 45mm 3-blade micro drone propeller, smoke black single prop view
  • Neon green 3-blade micro drone propeller, top view with tri-blade hub detail
  • Clear gray 3-blade prop installed on ducted micro quad motor, close-up inside prop guard
  • Gemfan 1811-3 45mm propellers retail bag label, Neon Green 4L4R PC-1.5mm
  • Two smoke black 3-blade micro drone propellers, clockwise and counterclockwise pair
  • Two clear gray 3-blade micro drone propellers, clockwise and counterclockwise pair
  • Gemfan 1811-3 performance chart with thrust, RPM and efficiency curves, voltage 4.2V
  • Two neon green 3-blade micro drone propellers, clockwise and counterclockwise pair
  • Ducted micro quad top view with neon green tri-blade props installed in prop guards
  • Retail bag for 45mm 1811-3 propellers, Clear Gray 4L4R PC-1.5mm label shown
  • Clear gray 3-blade micro drone propeller, single prop top view on white background
  • Neon green prop installed on ducted micro quad motor, close-up view inside prop guard
  • Retail bag for 45mm 1811-3 propellers, Clear Black 4L4R PC-1mm label shown
  • Ducted micro quad top view with clear gray tri-blade props installed in prop guards
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Gemfan 1811-3 45mm 3-Blade Micro Drone Propeller (4 Pairs) for BETAFPV Meteor75 Pro

Gemfan 1811-3 45mm 3-Blade Micro Drone Propeller (4 Pairs) for BETAFPV Meteor75 Pro

Gemfan

$3.29 USD
$3.29 USD
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Overview

Gemfan 1811-3 is a 45mm, 3-blade micro drone propeller designed for platforms such as the BETAFPV Meteor75 Pro. It uses a PC material with a 1.8in pitch and is offered in neon green and clear gray.

Key Features

  • Ultra-light design (stated as 25% lighter than the previous generation)
  • Reduced rotational inertia and precise balance for smooth power delivery
  • Multiple center hole inner diameter options: 1mm / 1.2mm / 1.5mm

Specifications

Type Gemfan 1811-3
Material PC
Pitch 1.8in
Color Neon green, clear gray
Prop diameter 45mm
Center thickness 4.4mm
Center hole inner diameter 1mm, 1.2mm, 1.5mm
Max prop width 8.7mm
Weight 0.32g
Recommended motor 1102
Takeoff weight 100g

Static Test Data (Provided Chart)

Test setup shown: Gemfan 1811-3 with 1102-18000KV motor. Voltage: 4.2V. X-axis: throttle (%).

Throttle (%) 10 20 30 40 50 60 70 80 90 100
Current (A) 0.07 0.24 0.61 1.18 2.09 2.97 3.91 4.97 6.47 7.46
Speed (rpm) 3945 9814 15872 21029 25758 29950 33275 36567 39157 41999
Thrust (g) 0.3 3.2 9.4 16.0 26.6 34.9 43.9 52.9 60.6 67.8
Efficiency (g/W) 1.1 3.2 3.7 3.2 3.0 2.8 2.7 2.6 2.3 2.2

What’s Included

  • 4CW + 4CCW propellers per bag (4 pairs)

Notes

  • Package label text includes: “45 MM 1811-3”, “Clear Gray 4L4R PC-1.5mm”, “Made in China”, and “China & US Patent Pending”.

For fitment questions (center hole size, motor match, or Meteor75 Pro setup), contact support@rcdrone.top or visit https://rcdrone.top/.

Details

Gemfan 1811-3 static test chart at 4.2V with 1102-18000KV motor: current, RPM, thrust and efficiency vs throttle

Static test data at 4.2V with an 1102-18000KV motor summarizes current draw, RPM, thrust, and efficiency across the throttle range.

Gemfan 1811-3 45mm 3-blade micro drone propeller set in clear gray, bag includes 4 CW + 4 CCW with 1.5mm center hole label

Each bag includes 4 CW and 4 CCW 45mm tri-blade props; label indicates color and center-hole size for quick fitment checks.

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