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Propellers Dalprop 4045 2-blades
DalpropSKU: 40303

Propellers Dalprop 4045 2-blades

Size: 4.0 x 4.5 inches (4 inches diameter, 4.5 inches pitch)

$0.11

USD · Volume pricing available

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EAR99
ECCN CodeEAR99
ClassificationNot on CCL — Low Sensitivity
DestinationsWorldwide (except OFAC-sanctioned countries)
Customer TierAll Buyers
LicenseNot required (NLR)

AI confidence 85% · NLR — No license required. Standard end-use statement recommended.

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Buy DALPROP 4045 two-blade propellers for reliable and stable flights of your racing drone

The ideal choice of Dalprop 4045 2-blade propellers is for 150-180mm racing quadcopters where efficiency and survivability are important.

5 main advantages of propellers

  • Superior strength and survivability. PC+fiberglass composite material makes these propellers almost “indestructible” and able to survive 99% of accidents.
  • Excellent balancing. The propellers are supplied perfectly balanced, ensuring low vibration levels and stable flight..
  • High efficiency. Two-blade design provides longer flight time compared to three- or four-blade counterparts.
  • Optimal size. The 4045 (4.0″ x 4.5″) size and 5mm mounting hole make them an ideal choice for 150-180 class racing drones.
  • Smooth power delivery. The Bullnose design provides smooth power delivery and excellent traction for hard acceleration.

Rotating, two blades with a pitch of 4.5 inches create the thrust necessary for flight. The increased blade area (Bullnose design) provides smooth power delivery and high traction for fast acceleration. At the same time, the two-blade design reduces the load on the motors. They increase flight time compared to multi-blade propellers.

Durable polycarbonate material effectively dampens vibrations, while superior balance ensures stable and clear FPV camera images. In the kit you get four screws: two for clockwise rotation (CW) and two counterclockwise (CCW). You get a reliable and efficient powertrain for your racing drone.

There are two main versions of these propellers: Regular (standard) and Bullnose. The Regular version provides longer flight time, while the Bullnose offers improved thrust due to the increased blade area.. Both versions are available in a wide range of colors, making it easy to visually differentiate between the front and back of the drone.

  • Size: 4.0 x 4.5 inches (4 inches diameter, 4.5 inches pitch)
  • Mounting hole: 5mm
  • Material: glass fiber reinforced polycarbonate
  • Number of blades: 3 blades

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