: Beam E4

55AX OS Engine

More muscle for .40 sized airplanes

Increase displacement in your 40-size model the easy way: just drop in a 55AX engine! You’ll enjoy more horsepower for swinging bigger props — which means improved 3D, precision and sport flying. Best of all, there’s no modifications required!

Mounts directly into the bolt pattern for a 46AX. A diagonally-placed needle eliminates the need for a remote needle valve. The 5-sided, angular head design looks great and significantly increases surface area for better cooling.

SPECIFICATIONS: Stock Number: [...]

Beam E4

BeamE4

carbon fibre and polished aluminium, and is shipped with fibreglass blades, a robust thermoplastic canopy and a detailed manual. It is often bundled with a Scorpion ESC and brushless motor.

Features :

- Fully Carbon and CNC metal block frames
- Solid one piece metal tail rotor case
- Fully ball raced (33 bearings)
- Dual bearing auto-rotation case (no main gear wobbing)
- Almost washer free assembly
- High quality carbon enhanced FRP main blades
- Serviceable swashplate
- Almost unbreakable special nylon compounded landing skids
- and others

Specifications :

- Length : 660 mm
- Height : 218 mm
- Main Blade : 325 mm
- Main Rotor Diameter : 723 mm
- Tail Rotor Diameter : 150 mm
- Motor Pinion Gear : 16T (14T)
- Main Drive Gear : 150T
- Main Drive Pulley : 51T
- Tail Pulley : 11T
- Weight (w/o main blades) : 420g
- Flying Weight : Approx. 880g
- Drive Gear Ratio = 1:10.71:4.63 (1:9.37:4.63)