GM/Graupner High-Voltage brushless servos
New from GM/Graupner are these High-Voltage brushless servos or HBS for short, which combine the performance of brushless technology with all the advantages of the high-voltage servo. In addition to the unparalleled acceleration, greater efficiency and no wear of carbon brushes, these servos can be supplied with an operating voltage up to 8.4V. Direct connection of 2-cell LiPo battery packs is now possible with no problem, in addition, these servos also provide top performance at an operating voltage of just 6V. Precision manufacturing and assembly and top component quality provide the servo drive system with uncompromising power and speed. Available in 3 different versions, best suited for 4wd off road, 2wd off road and on road touring car.
GM7990 High Voltage Brushless Servo HBS 860 BB MG
Suitable for many applications but especially good for 4WD Off Road.
Features:
– Brushless
– Digital
– High Voltage upto 8.4v
– Twin Ball Bearing
– Metal Gears
– High quality rubber seals
Specifications:
Holding Torque – 29.5 kg/cm @ 7.4v
Speed – 0.11/40deg @6v
Operating voltage – 4.8 – 8.4v
Dimensions (LxWxH): 40 x 20 x 40 mm
Weight – 68g
Torque – 15.3 kg/cm @7.4v
GM7991 High Voltage Brushless Servo HBS 870 BB MG
Suitable for many applications but especially good for 2WD Off Road
Features:
– Brushless
– Digital
– High Voltage upto 8.4v
– Twin Ball Bearing
– Metal Gears
– High quality rubber seals
Specifications:
Holding Torque – 26.5 kg/cm @ 7.4v
Speed – 0.09/40deg @6v
Operating voltage – 4.8 – 8.4v
Dimensions (LxWxH): 40 x 20 x 40 mm
Weight – 68g
Torque – 13.3 kg/cm @7.4v
GM7987 Hi Voltage Brushless Servo HBS 790 BB, MG
Ideally suited for Touring Cars and small space applications.
Features:
– Brushless
– Digital
– High Voltage upto 8.4v
– Twin Ball Bearing
– Metal Gears
– High quality rubber seals
Specifications:
Holding Torque – 15.3 kg/cm @ 7.4v
Speed – 0.055/40deg @6v
Operating voltage – 4.8 – 8.4v
Dimensions (LxWxH): 40 x 19,5 x 25,5 mm
Weight – 43g
Torque – 7.1 kg/cm @7.4v
Source: Schumacher [racing-cars.com]