Blue Bird servos (14 Kg cm for $42!)

Discussions regarding building a walking robot at home. Most of the robots participating at Robo-One competitions are custom fabricated.
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Blue Bird servos (14 Kg cm for $42!)

Post by Joe » Mon Nov 06, 2006 4:13 am

Post by Joe
Mon Nov 06, 2006 4:13 am

Robot magazine pointed out some new high-performance digital servos from Blue Bird, which sound really amazing for the price. The BMS-660MG, for example, hase 13 Kg cm of torque for only $42 (at 4.8V; at 6.0V it's 14 Kg cm!).

However, even the manufacturer's spec doesn't say what the operating angle of these things is. BP Hobbies' site seems to imply it may be less than other servos, since with a Traxxas Revo you can easily drive them beyond their normal range and end up stripping the gears. I also don't know whether this is something that can be reprogrammed, or how one would do that. But at $42 for 14 Kg cm, it seems well worth consideration — even the servos in the new Manoi AT01 are only 10.5 Kg cm!

Any thoughts on this?

Thanks,
— Joe
Robot magazine pointed out some new high-performance digital servos from Blue Bird, which sound really amazing for the price. The BMS-660MG, for example, hase 13 Kg cm of torque for only $42 (at 4.8V; at 6.0V it's 14 Kg cm!).

However, even the manufacturer's spec doesn't say what the operating angle of these things is. BP Hobbies' site seems to imply it may be less than other servos, since with a Traxxas Revo you can easily drive them beyond their normal range and end up stripping the gears. I also don't know whether this is something that can be reprogrammed, or how one would do that. But at $42 for 14 Kg cm, it seems well worth consideration — even the servos in the new Manoi AT01 are only 10.5 Kg cm!

Any thoughts on this?

Thanks,
— Joe
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