It is updated version based on original A65BHL servo, light weight and fast heat dissipation design, upgrade to full stainless steel gears, it will be more reliable to be used for your models. If you are looking for the super spec with high torque and speed in short case, as well as waterproof type, A66BHLW will be the nice option. Available to program via USB programmer for DIY parameter.
Feature
Fast Cooling Heat Sink Case
Extra Strong Steel Gears
High Precision Magnetic Sensor
Long Lifespan Brushless Motor
Dual Ball Bearing
Programmable Digital Circuit
Fully Waterproof Up To IP67
Ideal for 1/10, 1/12 Touring Cars, Racing Cars On Road, Airplane, 1/10 Scale Surface, Boat, Aircraft Applications
Here is the test video of servo A66BHLW on Arrma Kraton 6S: https://www.youtube.com/watch?v=1qe42Bh4eJg
Here is the video for the original servo A65BHL: https://www.youtube.com/watch?v=EFDb9RhedSY&t=1s
Specification
Item: A66BHLW
Operating Voltage: 4.8-8.4 V
Operating speed: 0.090sec/60° @ 6.0V
Operating speed: 0.080sec/60° @ 7.4V
Operating speed: 0.065sec/60° @ 8.4V
Stall Torque: 25.0 kg-cm (348 oz-in) @ 6.0V
Stall Torque: 30.0 kg-cm (417 oz-in) @ 7.4V
Stall Torque: 33.0 kg-cm (459 oz-in) @ 8.4V
Gear: Steel
Motor: BLS
Size: 40.8*20.2*29.5mm (1.60 x 0.79 x 1.16 in)
Weight: 66g
Connector Wire: TYU 180mm / 22AWG