Part 2 - Materials
CAD Plans
The Ycopter Quad was designed using SketchUp. Download a free copy here.
These plans are free to use for DIY construction. Not for commerial use.
Lower frame 2 off
Upper frame 1 off
Camera mount1 off
Landing gear 4 off
28mm Motor mounts 8 off
35mm Motor Mounts 8 off
Frame, landing gear and motor mount material
1.6mm thick Glass Reinforced Plastic or G10 sheet. The lower frame could be constructed from 1mm thick material to save weight.
Wood
Front motor arms - 20 x 12mm machined wood, 272mm long - 2 off
Rear motor arms - 20 x 12mm machined wood, 287mm long - 2 off
Lower frame ribs - 12 x 12mm machined wood, 300mm long - 2 off
Lower frame ribs - 12 x 12mm machined wood, 96mm long - 2 off
Top frame ribs - 10 x 10mm machined wood, 378mm long - 2 off
Antenna mount - 10 x 7mm machined wood, 70mm long - 1 off
Bolts
M2 x 15mm long - 26 off
M2.5 x 20mm long - 30 off
M3 x 20mm long - 16 off
Nuts
M2 - 26 off (plain)
M2.5 - 34 off (locking)
M3 - 16 -off (locking)
Washers
M2 - 30 off
M2.5 - 44 off
M3 - 32 off
Miscellaneous
Matt black wood paint
Silicone fuel tubing - 6mm outside diameter / 3mm internal diameter - 200mm length
Red silicone tube for vibration mounts - 16mm outside diameter / 10mm internal diameter - 4 x 10mm long pieces - See this article for details.
2.5 x 100mm long cable ties
Strong self adhesive Velcro
Recommended Power System
Standard Set-up
Motors - NTM Prop Drive 28-36 750KV / 265W - 4 off
Propellers - Genuine APC 10 x 4.7
Prop Mounts - NTM Prop Drive 28 Series Accessory Pack - 4 off
High Power Set-up
Motors - NTM Prop Drive Series 35-30 1100kv / 380w
Propellers - Graupner e-prop 10 x 5
Prop Mounts - NTM Prop Drive 35 Series Accessory Pack - 4 off
Both the above set-ups use 4S batteries between 3000mah and 5000mah.
Speed Controllers - Hobbyking 30A ESC 3A UBEC (flashed with Simon K) - 4 off
12 AWG silicone wire for battery connection - 150mm long red and black
18 AWG silicone wire - 3.6M long
3.5mm female bullet connectors - 12 off
Recommended Flight Controller
Hobbyking KK2 or Openpilot CC3D
In 'Part 3' I will explain the build process including how to cut the frames and assemble them.
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