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Gemfan D51 — Review & Specs | Pricepect | Pricepect

Home Drone AccessoriesGemfan D51

Gemfan D51 — image 1

Gemfan

Gemfan D51

Expert Review Analysis

The Gemfan D51 2020 is a 4‑blade, 2‑inch ducted propeller made of lightweight polycarbonate, designed for micro FPV drones and cinewhoops. It offers high thrust, low noise, and T‑Mount compatibility for 1103‑1105 kV motors.

✓ Best for: FPV pilots and cinewhoop enthusiasts seeking high thrust and low noise in confined spaces, micro drone builders needing 2‑inch ducted props, and indoor racers requiring T‑Mount compatibility with 1103‑1105 kV motors.✗ Not ideal for: Pilots requiring larger propellers for bigger drones, users with standard 2‑mm motor shafts, and applications demanding higher thrust beyond what a 2‑inch prop can provide.

Pros

✓4‑blade ducted design delivers maximum thrust and stability while keeping drag low
✓Lightweight polycarbonate construction at only 0.91 g per propeller enhances agility
✓T‑Mount 1.5 mm 3‑hole pattern ensures compatibility with 1103‑1105 kV micro motors

Price History

Current

$11.98

Average

$11.98

Lowest

$11.98

Highest

$11.98

Price trend (90d):0.0%

Best Seller Rank History

Now#604Best#306Worst#604 -298

Lower = better sales rank

Rating Trend

Rating4.4/ 5Reviews33

Specifications

Accessories

Package Quantity16 pcs (8 CW, 8 CCW) pcs

Design

Center Hole Diameter1.5 mm mm

Center Thickness4.5 mm mm

Maximum Blade Width10.6 mm mm

Mounting TypeT-Mount (M2 holes)

Adapter Rings RequiredNo

General

BrandGemfan

ModelD51 2020-5

Blade Count5 blades

Diameter51 mm mm

Pitch48.26 mm mm

Variants

Alternative Blade Count5‑blade version (D51‑5) available with same specs

Color Options

Available ColorsBlack, Clear Gray, Yellow, Whisky, Pink

Research Sources

newbeedrone.com

uavmarketplace.in

drone-fpv-racer.com

shop.makerfire.com

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User Reviews

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4.4

(33 reviews)

$11.98

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Drone Accessories

✓

Multiple color options (Black, Clear Gray, Yellow, Whisky, Pink) aid visual orientation

✓Noise reduction achieved through ducted design makes it suitable for indoor flying

Cons

✗No detailed expert reviews or user feedback are available in the source data, limiting insight into potential drawbacks
✗Only 2‑inch size limits use to micro drones, not suitable for larger quadcopter builds
✗Requires specific 1.5 mm T‑Mount shaft; not compatible with standard 2‑mm mounts

From Expert Reviews

Praised by Experts

✓Durable polycarbonate material engineered to withstand impacts while maintaining performance
✓Optimized aerodynamics provide efficient indoor and outdoor flight with low noise
✓Balanced power and control offer responsive handling for cinematic maneuvers

Expert Opinion

Professional sources highlight the D51 2020's durable polycarbonate build, optimized aerodynamics, and low‑noise ducted design as key strengths, noting its excellent balance of thrust and control for indoor and cinematic FPV applications.

What Users Say

User sentiment is not documented in the available sources, so no clear everyday‑user praise or criticism can be summarized.

Common Complaints

No documented complaints are present due to the lack of user feedback in the source material.

How It Compares

No direct competitor comparisons are provided; however, a 5‑blade variant (D51‑5) exists with identical specifications except for blade count, offering an alternative thrust profile.