DALPROP Cyclone T5146.5 V2
Series: DALPROP Propellers for drones
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The DALPROP Cyclone T5146.5 V2 is a three-blade Bayer polycarbonate propeller for 5 in class FPV drones in racing use. The designation encodes 5.1 in diameter and 4.65 in pitch; the T stands for the three-blade design and V2 marks the second version of the model.
At 4.65 in the pitch is close to the diameter and so high for this size: the propeller is laid out for speed and direct response. Three blades give more thrust and grip than two at a small diameter but cost efficiency and raise the current draw. The weight is 4.5 g, the bore 5 mm and the hub height 7 mm. The propeller does not fold. Thrust and current can only be quoted for a combination of motor, voltage and speed, not for the propeller alone.
Operation follows the open category: visual contact with the aircraft, no more than 120 m altitude, and with video goggles an observer who keeps the aircraft in view. The class a build with this propeller reaches depends on its take-off mass: C0 under 250 g, C1 under 900 g, C2 under 4 kg; from 250 g operator registration is mandatory.
On selection: the bore fits 5 mm motor shafts. Racing three-blade propellers are wear parts: after every ground contact the blade tips and leading edges should be checked, since even small nicks change thrust and balance. A quadcopter needs two propellers per direction of rotation, and propellers of different types are not mixed on one frame.
Technical data
Other data
| Blade count | 3correct |
|---|---|
| Diameter (inches) | 5.1correct |
| Folding | nocorrect |
| Hub bore (mm) | 5 mmcorrect |
| Material | Polycarbonat (Bayer PC)correct |
| Pitch (inches) | 4.65correct |
| Weight (g) | 4.5correct |
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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