1900mm Lengthy Vary FPV Platform・Free 3D File for 3D printing・Cults

Take a look at the brand new and improved Merlin V2:
https://cults3d.com/en/3d-model/gadget/merlin-v2-2560mm-long-range-fpv-platform

Merlin is a twin motor V-tail fastened wing UAV platform designed for optimum vary. As soon as airborne, Merlin options docile but responsive dealing with. In a stall, Merlin will merely lose elevate on the root of the wing inflicting the nostril to dip and the plane to regain airspeed.

CG for Merlin is 55mm behind the vanguard, or roughly on the location of the entrance clamp screw.

Overture or Polymaker LW-PLA is really useful.

Merlin in motion:
https://www.youtube.com/watch?v=0EBHvNa9hzA

When you’ve got any questions, please attain out to me.

Efficiency:
– 5kg Beneficial Max Takeoff Weight
– 1.8 kg Approx. Airframe Weight
– Cruise Velocity 50-70 kmh
– Stall Velocity 30-50 kmh
– 295km/ 4.7 hour flight with 6s6p 21700 Pack

Bodily Parameters:
– 1.9m Wingspan
– 0.99 m Size
– 0.26 m Root Chord
– 0.22 m MAC
– 0.405 m^2 Wing Space
– 8.9 Facet Ratio
– 0.35 Taper ratio
– 2.8° Sweep
– 11.3 L/D @ 2.6° AOA

Notable Options:
– Detachable touchdown skid
– Detachable wing and tail
– Modular nostril meeting
– Wing bays for electronics
– Beefy motor mounts with intentional failure level

Required {Hardware}:
– 2x 8x6x1000mm CF Tube (Wing Spars)
– 2x 8x6x700mm CF Tube (Wing Help)
– 4x 3x280mm CF Rod (Aileron/ Flap Hinge)
– 2x 3x230mm CF Rod (Tail Floor Hinge)
– 2x 3x50mm CF Rod (Tail Floor Shunt)
– 4x 2x100mm CF Rod (Tail Floor Interface)

• 4x M3x25mm (Motor Mount)
• 8x M3x14mm (Motor Screws)
• 4x M3x18mm (Wing Clamps)
• 2x M3x12mm (Tail Clamps)
• 3x M3x8mm (Fuse_1 Attachment)
• 6x M3 Nuts
• 19x M3 Threaded Inserts (7x required, 12x non-obligatory)
• 56x 2x8mm Self Tapping Screws (Countersunk Most popular)

Beneficial Components Listing:
– 2816 620kv motor 2x
– APC 11x8E & 11x8EP
– Emax ES08MA II 6x
– 6s 60a ESC 2x (BLHeli32/ AM32 most well-liked)
– F405 or H7 Wing flight controller operating Ardupilot
– M10 GPS and compass
– RC receiver of your selection
– FPV system of your selection
– 9ah 6s2p 21700 pack, as much as 30ah 6s6p 21700 pack attainable

Print Settings:

Tail_Lock, Wing_Lock, Wing_Nacelle – 2 wall 10% infill PETG
Motor_Mount, Flap/ Aileron Bay – 5 wall 20% infill PETG
Skid_1, 2, 3 – 2 wall 10% infill TPU/ PETG
All different wing items – 1 wall 3% infill LW-PLA
All different fuselage/ tail items – 1 wall 5% infill LW-PLA