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The EMAX ES3005 analog servo is a premium-quality servo built for performance and reliability. Its metal gears give strength and a long life, which suits demanding RC applications.
A waterproof construction keeps the servo working in challenging environments. With good torque and fast response, the listing calls it an excellent choice for RC helicopters, boats and cars.
The specification table gives a weight of 42g, a supply of 4.8V to 6V DC, a torque of 10kg.cm at 4.8V and 12kg.cm at 6V, and a speed of 0.16 and 0.14 seconds per 60 degrees.
Waterproof design: reliable operation in wet conditions.
High-precision metal gear set: strength and durability.
Bearings and durable case: the gear set and case are extremely durable.
Good torque: 10kg.cm at 4.8V and 12kg.cm at 6V.
Good speed: 0.16 to 0.14 seconds per 60 degrees.
JR (Futaba) plug: with a 22cm cable.
A hobby servo combines a small motor, a gearbox and a position sensor with control electronics. You send it a pulse every 20 milliseconds or so, and the width of the pulse tells it where to go: about 1.5 milliseconds is centre, with roughly 1.0 and 2.0 milliseconds at the ends. The servo drives its output shaft until the sensor says it has reached the commanded position, then holds it against the load.
Digital servos process the signal with a microcontroller and drive the motor at a much higher rate than analogue servos, which gives faster response, a smaller dead band and stronger holding torque. Metal gears cope better with shock loads than plastic ones, and ball bearings keep the shaft smooth and reduce wear.
Always power a servo from a supply that can deliver its peak current, not from a weak receiver port, and keep the linkage free so the servo never strains against a mechanical stop. A stalled servo draws a large current and can overheat within seconds.
RC helicopters
RC boats
RC cars and trucks
Wet or splash-prone models
Steering and throttle linkages
The specification table lists a JR (Futaba) plug, a 22cm cable and dimensions of 38 x 19 x 37mm. The servo is an analog type, which means it updates its position at a lower rate than a digital servo.
The package contains one EMAX ES3005 servo.
Model: ES3005
Weight: 42g
Voltage: 4.8-6V DC
Speed: 0.16s/60 (4.8V); 0.14s/60 (6V)
Torque: 10kg.cm (4.8V); 12kg.cm (6V)
Plug: JR (Futaba)
Cable: 22cm
Dimensions: 38 x 19 x 37mm
1 x EMAX ES3005 4.8V-6V 42gm analog servo waterproof with metal gears
RC helicopter, boat and car pilots who need a waterproof metal-gear servo.
Yes, the listing describes a waterproof construction.
10kg.cm at 4.8V and 12kg.cm at 6V.
4.8V to 6V DC.
42g.
A JR (Futaba) plug with a 22cm cable.
Analog.
| Brand | EMAX |
|---|---|
| Cable Length | 22 cm cm |
| Connector | JR (Futaba) |
| Dimensions | 38 x 19 x 37 mm |
| Operating Voltage | 4.8-6.0V DC |
| Torque | 10 kg.cm (4.8V) / 12 kg.cm (6V) |
| Weight | 42.000000 g |
| Selling unit | PCS |
