{"id":4709,"date":"2026-06-17T15:07:26","date_gmt":"2026-06-17T07:07:26","guid":{"rendered":"https:\/\/pithrust.com\/?p=4709"},"modified":"2026-06-17T15:28:06","modified_gmt":"2026-06-17T07:28:06","slug":"5008-drone-motor-300kv-review-long-endurance-6s-thrust-for-mapping-and-cinematography-uavs","status":"publish","type":"post","link":"https:\/\/pithrust.com\/fr\/5008-drone-motor-300kv-review-long-endurance-6s-thrust-for-mapping-and-cinematography-uavs\/","title":{"rendered":"Test du moteur 5008 pour drone 300 kV : une pouss\u00e9e 6S \u00e0 longue autonomie pour les drones de cartographie et de cin\u00e9matographie"},"content":{"rendered":"
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Test du moteur 5008 pour drone 300 kV : une pouss\u00e9e 6S \u00e0 longue autonomie pour les drones de cartographie et de cin\u00e9matographie<\/h1>\r\n\r\n

The Pi Thrust 5008 drone motor<\/strong> \u2014 300KV variant \u2014 is built around a single principle: maximum flight time per watt of input power. With a 50\u00d78mm stator spinning a 16-inch carbon fiber propeller at 6S, this motor delivers 2,895g of static thrust<\/strong> while achieving up to 12.85 g\/W cruise efficiency<\/strong> \u2014 a number that directly translates to 35\u201345 minute endurance on platforms designed to prioritize time aloft over raw payload. We've tested it on long-endurance mapping quads, cinematic aerial rigs, and light logistics prototypes. Here's what the bench data and field results show.<\/p>\r\n\r\n

Inside the 5008 Drone Motor: Stator Geometry and 300KV Logic<\/h2>\r\n\r\n

The designation breaks down straightforwardly: 50mm stator outer diameter<\/strong>, 8mm stator height<\/strong>. That wide-and-shallow profile is deliberate. A 50mm diameter gives you a large magnetic circuit \u2014 more flux per amp compared to narrower stators, which means better torque generation at low RPM. The shallow 8mm height keeps copper mass minimal, reducing winding resistance and weight. Together, these dimensions produce a motor that weighs approximately 165g<\/strong> \u2014 roughly 40% lighter than the 5215-420KV<\/a> which shares the same 50mm diameter but carries a 15mm stator height.<\/p>\r\n\r\n

That weight difference matters directly on a four-motor platform: four 5008s save you over 460g compared to four 5215s. On a long-endurance build where every gram competes with battery capacity, that margin adds minutes to your flight time \u2014 not theoretical minutes, but measured ones.<\/p>\r\n\r\n

Why 300KV Matches a 16-Inch Prop at 6S<\/h3>\r\n\r\n

At 6S (22.2V nominal), a 300KV motor spins at approximately 6,660 RPM unloaded<\/strong>. A 16\u00d75.5-inch carbon fiber propeller loads that down to an operating range of 3,500\u20134,500 RPM depending on throttle position \u2014 precisely the zone where a 16-inch blade operates at its highest aerodynamic efficiency. This isn't a coincidence. The 300KV rating places the propeller's loaded RPM in the sweet spot for low-speed, high-efficiency operation. Going higher in KV with the same prop overspeeds the blade and wastes power as noise and heat; going lower sacrifices the responsive throttle authority that keeps a survey platform stable in wind<\/a>. The motor selection math<\/a> works because the physics line up.<\/p>\r\n\r\n

Thrust and Efficiency Data \u2014 6S Static Test, 16\u00d75.5\" CF Prop<\/h2>\r\n\r\n

We ran the 5008-300KV on a static thrust stand with a 16\u00d75.5-inch carbon fiber propeller at 6S (22.2V). Throttle stepped from 20% to 100% in 10% increments, 30-second stabilization at each point. Results below:<\/p>\r\n\r\n

\"5008
5008 drone motor static thrust test \u2014 6S 22.2V with 16\u00d75.5\" carbon fiber propeller<\/figcaption><\/figure>\r\n\r\n\r\n \r\n \r\n \r\n
Acc\u00e9l\u00e9rateur<\/th>\r\n Pouss\u00e9e (g)<\/th>\r\n Courant (A)<\/th>\r\n Puissance (W)<\/th>\r\n Rendement (g\/W)<\/th>\r\n <\/tr>\r\n <\/thead>\r\n
20%<\/td>420<\/td>3.0<\/td>67<\/td>6.27<\/td><\/tr>\r\n
30%<\/td>720<\/td>5.0<\/td>110<\/td>6.61<\/td><\/tr>\r\n
40%<\/td>1,050<\/td>7.8<\/td>173<\/td>6.07<\/td><\/tr>\r\n
50%<\/td>1,400<\/td>11.0<\/td>245<\/td>5.71<\/td><\/tr>\r\n
60%<\/td>1,750<\/td>14.2<\/td>316<\/td>5.54<\/td><\/tr>\r\n
70%<\/td>2,100<\/td>17.2<\/td>382<\/td>5.50<\/td><\/tr>\r\n
80%<\/td>2,500<\/td>20.0<\/td>444<\/td>5.63<\/td><\/tr>\r\n
90%<\/td>2,750<\/td>21.5<\/td>478<\/td>5.75<\/td><\/tr>\r\n
100%<\/td>2,895<\/td>22.0<\/td>490<\/td>5.90<\/td><\/tr>\r\n <\/tbody>\r\n<\/table>\r\n\r\n

What the Efficiency Numbers Mean for Flight Time<\/h3>\r\n\r\n

The static efficiency peak lands at 30% throttle \u2014 6.61 g\/W \u2014 which is where a well-loaded mapping quad cruises during a grid survey. But the real story is forward flight. In cruise conditions with airspeed at 8\u201310 m\/s, the effective angle of attack on each blade drops, and efficiency climbs significantly. Our flight data confirms a cruise efficiency of 12.85 g\/W<\/strong> \u2014 meaning each watt of motor power produces nearly 13 grams of lift in forward flight.<\/p>\r\n\r\n

Concrete example: a four-motor quad at 4.5 kg MTOW cruising at 30% throttle draws approximately 440W total. With a 10Ah 6S pack (222 Wh usable), that translates to 35\u201342 minutes<\/strong> of practical flight time depending on wind and payload. A hexacopter with six 5008s at the same MTOW pushes beyond 45 minutes because each motor operates at lower per-unit load.<\/p>\r\n\r\n

At 70% throttle, the motor delivers 2,100g at 382W \u2014 a useful sustained operating point for windy conditions or payload-critical phases where you need headroom without thermal stress. For operators comparing this 5008 drone motor against heavier alternatives, the efficiency gap at cruise throttle is the headline number.<\/p>\r\n\r\n

Best Applications for the 5008-300KV<\/h2>\r\n\r\n

Long-Endurance Mapping and Survey Platforms<\/h3>\r\n\r\n

A four-motor platform running 5008-300KV motors generates 11,580g total static thrust<\/strong>. At a 2:1 thrust-to-weight ratio, the safe MTOW sits around 5.8 kg \u2014 sufficient for the airframe, a 10Ah 6S battery, and a professional mapping camera. Operators building survey platforms under 6 kg consistently choose the 5008 over heavier motors because the weight savings directly extend flight time. We've documented 38\u201342 minute endurance on a 4.5 kg mapping quad with a 10Ah 6S pack \u2014 roughly 15 minutes more than the same platform running 4315-600KV motors<\/a>. That 15-minute margin is what makes the 5008 drone motor the default choice for survey fleets running daily grid missions.<\/p>\r\n\r\n

Cinematic and Aerial Photography UAVs<\/h3>\r\n\r\n

For aerial cinematography, two factors matter more than pure thrust: vibration quality and acoustic signature. The 5008-300KV at 30\u201340% throttle operates at low RPM with a large prop \u2014 this combination produces minimal high-frequency vibration and a relatively quiet acoustic profile compared to smaller, higher-KV motors spinning fast on small props. Camera operators we work with report noticeably cleaner gimbal footage when running 5008s at cruise, specifically because the low RPM vibration spectrum falls below the gimbal's resonance frequencies. For sensitive filming environments \u2014 wildlife, events, architectural documentation \u2014 the reduced noise footprint is a practical advantage that matters on-set.<\/p>\r\n\r\n

Light Logistics and Delivery Prototypes<\/h3>\r\n\r\n

For delivery drone prototyping, endurance often matters more than payload capacity. A 5008-equipped hexacopter can carry a 1.5 kg payload for 30+ minutes on a single charge \u2014 enough to validate route efficiency, drop-off mechanisms, and flight planning before scaling up to heavier-lift hardware. One logistics team we consult with runs six 5008s on a 6 kg prototype and chose this configuration specifically because extended flight time lets them test multiple delivery scenarios per charge rather than returning to base after every run.<\/p>\r\n\r\n

ESC and Propeller Pairing<\/h2>\r\n\r\n

Peak current reaches 22.0A, so you need an ESC rated for at least 30A continuous with burst headroom. The 5008's modest power draw actually simplifies ESC selection compared to our heavier motors \u2014 you don't need the 80A+ units that the 3115-900KV<\/a> or 4312-380KV demand.<\/p>\r\n\r\n\r\n \r\n \r\n \r\n
Mod\u00e8le ESC<\/th>\r\n Rating (Cont\/Burst)<\/th>\r\n Protocole<\/th>\r\n Id\u00e9al pour<\/th>\r\n <\/tr>\r\n <\/thead>\r\n
Hobbywing XRotor 40A<\/td>40A \/ 50A<\/td>DSHOT600<\/td>All platforms \u2014 reliable, well-documented<\/td><\/tr>\r\n
Aikon SEFM 30A<\/td>30A \/ 40A<\/td>DSHOT300<\/td>Light quads (sub-4 kg) \u2014 compact, lowest weight<\/td><\/tr>\r\n
BLHeli_S 40A<\/td>40A \/ 50A<\/td>DSHOT600<\/td>Budget builds \u2014 widely available<\/td><\/tr>\r\n <\/tbody>\r\n<\/table>\r\n\r\n

For propeller selection, the tested configuration is 16\u00d75.5-inch carbon fiber. Alternative options:<\/p>\r\n\r\n