OMPHOBBY 3D Helicopter M5

General features

• M5 blade size: 550 mm - 580 mm, tail blades 93 mm - 96 mm
• M6 blade size: 600 mm - 610 mm, tail blades 96 mm - 106 mm
• 90%+ shared parts between M5 and M6
• Four stunning canopy options, including two new inverted colors: Cosmic Orange, Solar Yellow, Aurora Green, and Nebula Pink
• Built and tested for the hardest 3D flying styles
• 12mm main rotor shaft, 6mm tail rotor shaft
• 15 mm cyclic servos, 15 mm tail servo for M5
• 20 mm cyclic servos, 20 mm tail servo for M6
• M5 can be crossgraded to 20 mm servos, if desired
• Light airframe weights of 1405 g (M5) and 1505 g (M6)

Frame features

• Battery rails integrated into side frame panel stack
• Low parts count airframe with light-weight aluminum main plate
• High-end chamfered carbon fiber lower frames
• Quick release latches for canopy and battery tray from M7
• Integrated wiring paths throughout the airframe
• Central main plate provides rigidity and ease of maintenance
• Motor carrier rails make setting gear mesh effortless
• Modular servo rack makes servo installation and wiring a breeze
• Auxiliary plate under ESC plate, receiver plate available in the back
• Pre-drilled ESC mounting holes for all major ESC brands
• Triple carbon plate reinforced tail boom mounting guarantees unparalleled rigidity
• Damped flight controller platform known from M7

Drivetrain Features

• FEA optimized main gear structure reduces bending under load by 25%
• Motor shaft lengths from 15 to 60 mm supported, ⌀ 6 mm
• 11t, 12t, 13t, 14t and 15t pinions available
• 15 mm tall gears guarantee quiet and efficient operation, yet durable power transfer
• 115t main gear for M5 (Ratios 10.455, 9.583, 8.846, 8.214, 7.667)
• 121t main gear for M6 (Ratios 11.000, 10.083, 9.307, 8.643, 8.067)

Tail features

• Downscaled M7 tail rotor with 6 mm tail rotor shaft and 5 mm spindle shaft
• 28mm carbon fiber tail boom
• Single-piece aluminium tail housing
• Best-in-class tail performance, using the proven tail rotor design concept from M7
• Dynamic weights on the tail rotor reduce servo torques in flight
• Tail rotor transmission ratio of 95/20 = 4.75:1
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Main rotor features

• Long-throw main rotor design provides exceptional control authority in every situation
• 12 mm main rotor shaft, 8 mm spindle shaft
• Turnbuckles on every linkage
• 5mm ball joints provide exceptional safety and longevity
• Two damper options included, POM and 90° Shore durometer rubber rings
• Keyed, retained and integrated rotor blade washers enhance lead-lag damping, reduce vibrations, and simplify blade changes