Es08ma Ii Datasheet — Emax

The EMAX ES08MA II Go to product viewer dialog for this item.

is a widely used 12g mini analog servo known for its durability due to its metal gear construction. It is a popular upgrade for small RC vehicles like the Axial SCX24 and various small-scale aircraft or robot arms. Core Specifications

The following specifications are based on data from authoritative retailers such as ReadyMadeRC and GetFPV: Specification (at 4.8V) Specification (at 6.0V) Stall Torque 1.6 kg.cm (21.0 oz.in) 2.0 kg.cm (28.0 oz.in) Operating Speed 0.12 sec/60° 0.10 sec/60° Operating Voltage 4.8V – 6.0V DC Weight 12g (0.42 oz) Dimensions 23 x 11.5 x 24 mm Gear Material Signal Type Analog PWM Key Features

Durability: Features a full metal gear train designed to withstand higher stress than plastic-geared counterparts.

Precision: Uses a NOBLE potentiometer to help ensure higher accuracy and consistency in movement.

Compatibility: Equipped with a universal Futaba/JR plug and a 25 cm (approx. 10 inch) lead.

Application: Highly recommended for 1/24 scale crawlers, 450-class helicopters, and STEM robotics projects. Technical Considerations

The EMAX ES08MA II Go to product viewer dialog for this item.

is a widely used 12g mini metal gear analog servo designed for RC aircraft, small robots, and various hobbyist projects. Key technical specifications include an operating voltage of 4.8V to 6.0V, delivering a stall torque of 1.6 to 2.0 kgf.cm and operating speeds between 0.12 and 0.10 sec/60°. Technical Specifications EMAX ES08MA II 12g Metal Gear Servo - Get Yours Now

The Emax ES08MA II is a high-torque, 12g mini analog servo known for its durability due to an all-metal gear train . It is widely used in RC planes, 450-class helicopters, and small robotics like the SCX24 crawler . Core Performance Datasheet Emax Es08ma Ii Datasheet

The ES08MA II operates within a standard voltage range, with performance scaling based on the input power: Specification Stall Torque 1.6 kgf·cm (21.0 oz·in) 2.0 kgf·cm (28.0 oz·in) Operating Speed 0.12 sec / 60° 0.10 sec / 60° Running Current Stall Current Data sources: Physical & Electrical Attributes

EMAX ES08MA II Datasheet: A Comprehensive Review

The EMAX ES08MA II is a high-performance brushless motor designed for RC enthusiasts and drone enthusiasts. As a popular choice among hobbyists, it's essential to dive into the datasheet to understand its capabilities, features, and applications. In this blog post, we'll provide an in-depth analysis of the EMAX ES08MA II datasheet, covering its specifications, characteristics, and more.

Overview of EMAX ES08MA II

The EMAX ES08MA II is a brushless motor designed for RC aircraft, quadcopters, and drones. It's a part of the EMAX series, known for its high-quality and reliable motors. The ES08MA II is a popular choice among hobbyists due to its high efficiency, high torque, and compact design.

Datasheet Analysis

The EMAX ES08MA II datasheet provides detailed specifications and characteristics of the motor. Here's a breakdown of the key parameters:

Motor Type: Brushless Outrunner (BLDC)
KV Rating: 3800KV ( RPM/V )
Voltage: 2-3S Lipo (7.4V - 11.1V)
No-Load Current: 1.2A
Max Continuous Current: 25A
Max Burst Current: 35A (10 seconds)
Power: 320W (Max)
Efficiency: ≥ 85%
Weight: 63g
Dimensions: 28.5mm x 22mm x 7.5mm
Shaft Diameter: 3mm
Mounting Holes: 16mm x 16mm

Performance Characteristics

The EMAX ES08MA II datasheet also provides performance characteristics, including: The EMAX ES08MA II Go to product viewer

RPM Range: 0 - 3800KV x 11.1V = 42,180 RPM
Torque: 0.32 N.m
Thrust: 1.8 kg (with 8045 Propeller)

Key Features

The EMAX ES08MA II boasts several key features that make it an attractive choice for RC enthusiasts:

High Efficiency: The motor has an efficiency of ≥ 85%, ensuring minimal energy loss and reduced heat generation.
High Torque: The motor provides a high torque of 0.32 N.m, making it suitable for demanding applications.
Compact Design: The motor's compact design (28.5mm x 22mm x 7.5mm) makes it ideal for small to medium-sized RC aircraft and drones.
Lightweight: The motor weighs only 63g, contributing to reduced overall weight and improved power-to-weight ratio.

Applications

The EMAX ES08MA II is suitable for various RC applications, including:

Quadcopters: The motor is a popular choice for quadcopters, providing high efficiency, high torque, and compact design.
RC Aircraft: The motor is suitable for RC aircraft, including trainers, aerobatic planes, and scale models.
Drones: The motor can be used in drones, including racing drones, freestyle drones, and industrial drones.

Conclusion

The EMAX ES08MA II datasheet provides a comprehensive overview of the motor's specifications, characteristics, and features. With its high efficiency, high torque, and compact design, the motor is an excellent choice for RC enthusiasts and drone hobbyists. Whether you're building a quadcopter, RC aircraft, or drone, the EMAX ES08MA II is definitely worth considering.

Recommendations

Based on the datasheet analysis, here are some recommendations:

Propeller Selection: Choose a propeller that matches the motor's specifications, such as the 8045 propeller.
ESC Selection: Select an ESC that can handle the motor's maximum continuous current (25A) and burst current (35A).
Battery Selection: Choose a battery with a suitable voltage range (2-3S Lipo) and capacity to match the motor's requirements.

By following these recommendations and understanding the EMAX ES08MA II datasheet, you can unlock the motor's full potential and enjoy optimal performance in your RC applications. Motor Type: Brushless Outrunner (BLDC) KV Rating: 3800KV

EMAX ES08MA II is a compact, high-sensitivity analog micro servo featuring a full metal gear train, making it a popular choice for 250/450 class helicopters, small robots, and 1:18 scale RC cars. Technical Specifications Specification Operating Voltage 4.8V – 6.0V DC Stall Torque (4.8V) 1.6 kgf·cm (21.0 oz·in) Stall Torque (6.0V) 2.0 kgf·cm (28.0 oz·in) Operating Speed (4.8V) 0.12 sec/60° (no load) Operating Speed (6.0V) 0.10 sec/60° (no load) Dimensions 23 x 11.5 x 24 mm 12g (0.42 oz) Gear Material High-quality Metal Universal Futaba/JR Key Features Analog Circuitry:

Provides standard control response suitable for most RC and hobbyist projects. Durability:

Equipped with a metal gearbox and a shock-resistant potentiometer for improved longevity compared to plastic-geared alternatives. Operating Range:

Standard direction is counter-clockwise with a pulse travel of 1500 to 1900 µsec. Some sources indicate an extended range of 160° to 180° depending on the pulse width (500–2500 µsec). High Sensitivity:

Includes a "NOBLE" potentiometer designed for high accuracy and coherence. Wiring & Compatibility Connector:

Standard 3-pin universal plug compatible with most receivers (JR/Futaba). Cable Length: Typically 25 cm.

3D flight in foam airplanes, gliders, and small fixed-wing models. ReadyMadeRC Mini SERVO (ES08MAII) SERIES

2. Key Specifications

| Parameter | Value | |-----------|-------| | Type | Analog (not digital) | | Dimensions | 23.0 x 11.5 x 24.0 mm (0.91 x 0.45 x 0.94 in) | | Weight | 9.0 g (0.32 oz) including wires and horn | | Operating Voltage | 4.8V – 6.0V (regulated BEC recommended) | | Stall Torque (4.8V) | 1.5 kg·cm (20.8 oz·in) | | Stall Torque (6.0V) | 1.8 kg·cm (25.0 oz·in) | | Speed (4.8V) | 0.12 sec/60° (no load) | | Speed (6.0V) | 0.10 sec/60° (no load) | | Dead Band Width | ≤ 5 µs (typical analog response) | | Control Signal | PWM 1000–2000 µs, 50 Hz (standard RC) | | Rotation Angle | 180° (max mechanical, may exceed electrical limit) | | Connector | JR/Futaba universal (3-pin, 0.1" spacing) | | Wire Length | 180 mm (approx. 7.1 in) |

Key Features

Metal Gears – Alloy metal output gear and internal gears for enhanced crash resistance and longer lifespan compared to nylon gears.
Coreless Motor Option – Note: The ES08MA II typically retains a standard 3-pole motor (not coreless) to keep cost low, but check vendor specifics.
Dual Ball Bearings – One on the output shaft and one on the case top for smooth, friction-reduced rotation.
Compact & Light – Standard micro servo size with a weight of approximately 12–13g (including wires and horn).
Analog Control – Standard 50Hz PWM (Pulse Width Modulation) signal; requires a constant refresh signal.

Overview

The Emax ES08MA II is an upgraded version of the popular ES08MA analog micro servo. It is distinguished by its metal gear train and carbon-brush motor, offering a balance of torque, speed, and durability for its size. This "II" revision typically features improved potentiometer stability and slightly refined tolerances over the original. It is widely used in micro RC aircraft (e.g., 250-450 size helicopters, foamies), lightweight robotics (walking robots, robotic arms), and small-scale DIY projects.

Comparison to Original ES08MA