Dubai Police (
@DubaiPoliceHQ), Luke Bell and his father Mike Bell cracked the Guinness World Records of Samuele Gobbi for the fastest ground speed by a battery-powered remote-controlled (RC) quadcopter on 22 June 2025. The new world record is now 580 km/h.
Luke and Mike were already the world record holders with an average top speed of 480 km/h in 2024 before Samuele officially cracked that record with 557 km/h on 7 March 2025. And until 7 March 2025, there were no racing propellers officially available which could push a drone beyond an average top speed of 480-490 km/h. It was impossible without a new faster propeller. How could Samuele do it then?
In 2022, the fastest propellers were the APC 5x75E with about 450 km/h at 36,000 rpm, the APC 7x9 with useful dynamic thrust values up to 490 km/h at 32,000 rpm and the APC 8x10 with 480 km/h at 26,000 rpm. The 7x9 and 8x10 were very critical and reached tip speeds up to Mach 0.98 at 480-490 km/h.
At high transonic speeds beyond Mach 0.8, there are supersonic regions with normal shock waves and shock-induced flow separation phenomena on the propeller blades. Without active flow control, the noise gets louder and louder and starts to sound like a jet engine.
In 2023, APC added the more optimized 7x11E with a maximum speed of about 470-480 km/h at 26,000 rpm. The tip speed was now lower and only reached up to Mach 0.83. But it was still not sufficient to pass the 500 km/h barrier in level flight. Luke and Mike used what was available and set a new world record in July 2024. They pushed the limits to an average top speed of 480.23 km/h (298.47 mph):
guinnessworldrecords.com/new…
The propeller performance is the key driver which limits us to crack a record. Anything else can be solved after design interations and good engineering. Your success to break a world record comes from an early access to the fastest racing propellers.
There are two ways: You contact the propeller manufacturer and make a new proposal or request for a new propeller with higher pitch or just take what is available. Samuele made professional simulations and had an early acces to the amazing 5x11E and 7x15E propellers which were officially released on 7 March 2025 and now enable drone speeds up to 650 km/h, whereby the tip speed is still below Mach 0.93.
See here for the performance data of the APC propellers:
apcprop.com/technical-inform…
And see here for the fantastic world record flight by Samuele with 557 km/h:
youtube.com/watch?v=8p5eZ4ZR…
youtube.com/watch?v=ZVEEFIkv…
So far there is no video available for Luke's flight with 580 km/h but the new record is already officially listed at
guinnessworldrecords.es/worl…
According to my analysis, Samuele's Fastboy 2 can easily pass the 600 km/h barrier and reach about 624 km/h. With more powerful motors with 4.0 kW continous power, it is even possible to challenge 650 km/h. We at
@ElectroFluidSys tems and
@PlasmaAero now ask for a 5x13E and 7x17E to break through the 700 km/h barrier using active plasma shock wave control. 🚀
instagram.com/fastboy_fpv
instagram.com/quadmovr