AM740 Brushless Power Combo for 3D Aircraft

Extreme Electric Performance for 72–75" Aerobatic Aircraft

The AM740 Brushless Power Combo is engineered for pilots who demand outstanding power, instant throttle response, and reliable performance from their electric 3D aircraft. Designed for 72–75 inch aerobatic airplanes, this power system delivers the performance needed for aggressive freestyle flying, precision aerobatics, and smooth sport flights.

Whether you're hovering, performing high-energy tumbles, or flying precision sequences, the AM740 provides the torque and efficiency required to keep your aircraft performing at its best.

Key Features

• High-performance outrunner brushless motor
• Ideal for 72–75 inch 3D and aerobatic aircraft
• Suitable replacement for many 35–40cc gasoline engines
• Excellent torque for large propellers
• Fast and precise throttle response
• High efficiency for longer flight times
• Precision-balanced rotating components
• Lightweight yet durable construction
• Optimized cooling for demanding flight conditions
• Designed for reliable operation during high-power maneuvers

Outstanding 3D Performance

The AM740 has been developed specifically for modern electric aerobatic aircraft. Its high torque output allows the use of large propellers, delivering exceptional vertical performance and strong pull throughout the throttle range.

Instant throttle response gives pilots complete confidence during demanding maneuvers such as:

• Hovering
• Torque rolls
• Waterfalls
• Harriers
• Blenders
• Rolling circles
• Precision aerobatics
• Unlimited vertical climbs

The smooth power delivery also makes the aircraft easier to control during slow-speed maneuvers.

Efficient Cooling Design

Large electric aircraft place significant demands on their power systems. The AM740 incorporates an efficient cooling design that helps maintain stable operating temperatures during long and aggressive flights.

Improved heat dissipation contributes to:

• Consistent performance
• Increased reliability
• Longer motor lifespan
• Reduced power loss under heavy loads

Lightweight Construction

Despite its impressive power output, the AM740 maintains a lightweight design that helps preserve the aircraft's center of gravity while maximizing overall performance.

The precision-machined aluminum housing provides excellent rigidity while minimizing unnecessary weight.

Recommended Power System

For optimal performance, the following setup is recommended:

Motor

• AM740 Brushless Outrunner

ESC

• AM156A Electronic Speed Controller

Battery

• 12S LiPo configuration

Recommended Voltage

• 5S–14S compatible ESC (12S recommended)

Recommended Propeller

• AMZ 20×10 Carbon Fiber Propeller

This combination delivers excellent efficiency, strong thrust, and reliable operation for demanding 3D flying.

Typical Applications

Perfect for:

• 72–75" 3D airplanes
• Aerobatic aircraft
• Precision IMAC-style models
• Large electric sport aircraft
• Extreme freestyle airplanes

Benefits

• Powerful electric alternative to gasoline engines
• Cleaner operation with no fuel or exhaust
• Lower maintenance requirements
• Reduced vibration
• Quiet operation
• Immediate throttle response
• Excellent efficiency
• Consistent performance throughout the flight

Package Includes

• AM740 Brushless Motor
• Aluminum mounting spacers
• Mounting hardware
• User documentation (if supplied by manufacturer)

Technical Specifications

Why Choose the AM740?

The AM740 combines impressive power, excellent efficiency, and dependable reliability in a package built specifically for serious RC pilots. With strong vertical performance, rapid throttle response, and compatibility with modern high-voltage power systems, it is an outstanding choice for pilots looking to upgrade to a premium electric setup.

Whether you're flying aggressive freestyle routines or precision aerobatics, the AM740 delivers the confidence and performance needed to push your aircraft to its full potential.