Bell 525 Relentless

what is it?

The Bell 525 Relentless is an American super-medium-lift helicopter, under development by Bell Textron. The new model was unveiled at the 2012 Heli-Expo in Dallas, Texas in February 2012. It first flew on 1 July 2015.

🔎How to recognise it: 2 turboshaft engines · 16.6 m main rotor

base stats

• speed 306 km/htop speed
• range 1,037 kmwithout refuelling
• seats 20passengers
• size 9,300 kgmax take-off weight

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 11 years ago, in 2015.
• 🏎️Top speed is 2.4× a car on the Dutch motorway (130 km/h).
• 🚗Rotor of 16.6 m: about 4 cars parked nose to tail.
• 🌍Range of 1,037 km: 6× Amsterdam to Brussels.

turboshaft: A turbine that turns a shaft, usually a helicopter rotor.

spec sheet

first flight

2015-07-01

status

in development

number built

—

role

super-medium-lift utility helicopter

origin

🇺🇸 United States

makers

Bell Textron

engines

2× General Electric CT7-2F1

passengers

20

rotor diameter

16.6 m

max take-off weight

9,300 kg

top speed

306 km/h

cruise speed

287 km/h

range

1,037 km

ceiling

6,096 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.