The
Blue Bird BMS-390DMH is a high torque servo for medium sized RC planes. Its high speed makes it particularly suitable for ailerons and flaps on larger models.
With its good performance and high precsion it makes an excellent servo for many sports models weighing up to 4Kg
| Blue Bird BMS-390DMH Specifications |
|---|
| Body dimensions |
29.0 mm wide x 13.0 mm thick x 30.0 mm high |
1.14" wide x 0.51" thick x 1.18" high |
| Max dimensions |
39.0 mm wide x 13.0 mm thick x 34.0 mm high |
1.54" wide x 0.51" thick x 1.34" high |
| Stall torque (4.8V) |
4.6 Kg.cm |
64 oz.in |
| Stall torque (5.5V) |
5 Kg.cm |
69 oz.in |
| Stall torque (6V) |
5.4 Kg.cm |
75 oz.in |
| Weight |
22.5 g |
0.79 oz |
| Lead length |
16 cm |
6.3 in |
| Operating speed (4.8V) |
0.14 sec/60° |
| Operating speed (5.5V) |
0.12 sec/60° |
| Operating speed (6V) |
0.11 sec/60° |
| Operating voltage |
4.5V to 6V |
| Operating temperature |
0 to 40 °C |
| Bearings |
2 ball bearings |
| Gear material |
Metal alloy |
| Case material |
Nylon and anodised aluminium |
| Motor type |
Coreless DC motor |
| Working frequency |
250 Hz |
| Dead band/resolution |
2 µs |
| Pulse width for ± 60º |
(L) 900 µs - (0°) 1520 µs- (R) 2100 µs |
| Digital |
Yes |
| Programmable |
No |
| Position feedback |
Potentiometer |
| Supplied accessories |
2 plastic output arms, 1 arm retaining screw, 4 mounting screws, Blue Bird sticker |
| Optional accessories |
|
