MDR Mark-2 cost approximately $390 USD to build, plus another $750 in already owned equipment, here is the breakdown of the different build costs.
Required Parts
Below is the parts I used to build MDR-2. Beside these parts, there is other equipment required to build and fly the tricopter, see below.
MDR Mark-II Tricopter Price Sheet |
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| Category | Seller | Description | Qty | Each | Total |
| Body | Flitetest | Original Tricopter Body | 1 | $ 20.00 | $ 20.00 |
| Mount | Flitetest | Tilt Motor Mount 13-370 | 1 | $ 26.00 | $ 26.00 |
| Mount | Flitetest | Straight Motor Mount 13-370 (Pair) | 1 | $ 18.00 | $ 18.00 |
| Mount | Flitetest | Original Tricopter Camera Mount Kit | 1 | $ 20.00 | $ 20.00 |
| Receiver | Horizon Hobby | AR6210 6 channel receiver | 1 | $ 69.99 | $ 69.99 |
| Receiver | Horizon Hobby | TM1000 DSMX Aircraft Telemetry Module | 1 | $ 56.99 | $ 56.99 |
| FCB | Hobby King | KK2.0 Multi-rotor LCD Flight Control Board | 1 | $ 29.99 | $ 29.99 |
| Motors | Hobby King | DT750 750kV Motors | 3 | $ 11.22 | $ 33.66 |
| ESC | Hobby King | TURNIGY Plush 18amp Speed Controllers | 3 | $ 11.31 | $ 33.93 |
| Battery | Hobby King | 3s Turnigy 25-35C 2200mAh LiPo | 1 | $ 10.30 | $ 10.30 |
| Servo | Hobby King | TGY-375DMG Metal gear Digital Servo | 1 | $ 17.81 | $ 17.81 |
| Prop | Hobby King | GWS 11×4.7 (RD-1147 279x119mm)(6 pack) | 1 | $ 5.40 | $ 5.40 |
| Hardware | Hobby King | Hex Screw M3x16 20pcs | 1 | $ 1.89 | $ 1.89 |
| Hardware | Hobby King | Hex Screw M3x25 20pcs | 1 | $ 4.77 | $ 4.77 |
| Hardware | Hobby King | Hex locknuts M3 10pcs | 3 | $ 0.79 | $ 2.37 |
| Hardware | Hobby King | XT60 to 3 X 3.5mm bullet ESC Power Cable | 1 | $ 2.70 | $ 2.70 |
| Hardware | Hobby King | 3.5mm Gold Connectors 10 PAIRS (20PC) | 2 | $ 1.77 | $ 3.54 |
| Hardware | Hobby King | 10cm Male to Male Servo Lead 10pcs | 1 | $ 4.00 | $ 4.00 |
| Hardware | Hobby King | 60cm Male to Female Servo Extention 10pcs | 1 | $ 4.17 | $ 4.17 |
| Hardware | Hobby King | Gyro / Flight Controller Mounting Pad 10pcs | 1 | $ 1.99 | $ 1.99 |
| Hardware | Hobby King | 4mm Heat Shrink Tube – Black | 4 | $ 0.25 | $ 1.00 |
| Hardware | Hobby King | 4mm Heat Shrink Tube – Red | 4 | $ 0.25 | $ 1.00 |
| Hardware | Hobby King | Silicone Wire 16AWG (1mtr) Black | 2 | $ 0.99 | $ 1.98 |
| Hardware | Hobby King | Silicone Wire 16AWG (1mtr) Red | 2 | $ 0.99 | $ 1.98 |
| Hardware | Hardware Store | 36″ x 1/2″ x 1/2″ square wood dole | 2 | $ 1.63 | $ 3.26 |
| Hardware | Hardware Store | 6″ zip ties, 100 pack | 1 | $ 3.16 | $ 3.16 |
| Shipping | Flitetest | Shipping for order | 1 | $ 8.03 | $ 8.03 |
| Shipping | Horizon Hobby | Shipping for order | 1 | $ – | $ – |
| Shipping | Hobby King | Shipping for order | 1 | $ 26.90 | $ 26.90 |
| Total | $ 414.81 | ||||
Required Equipment to build this tricopter
The below list is the items I used during the build of the MDR-2 Tricopter, opposed to parts of the tricopter. I already owned each of these items as part of my shop. The below equipment is not the exact required equipment needed as the parts list above is, but it’s what I used, you may substitute as you feel fit.
| Seller | Description | Qty | Each | Total |
| Horizon Hobby | DX8 Transmitter | 1 | $429.99 | $429.99 |
| Horizon Hobby | Prop Balancer | 1 | $27.99 | $27.99 |
| Amazon | Thunder AC6 Smart LiPo Balance Charger | 1 | $54.95 | $54.95 |
| Amazon | Weller WLC100 40-Watt Soldering Station | 1 | $39.99 | $39.99 |
| Amazon | 40/60 Electrical Rosin Core Solder | 1 | $6.57 | $6.57 |
| Amazon | Helping Hands with Magnifying Glass | 1 | $5.85 | $5.85 |
| Amazon | Black & Decker 12-Volt Lithium-Ion Drill | 1 | $44.97 | $44.97 |
| Amazon | 10-Piece Drill Bit Set | 1 | $6.50 | $6.50 |
| Amazon | 6″ Long Needle Nose Pliers | 1 | $11.35 | $11.35 |
| Amazon | Micro Cutter, 16AWG Clean Cut | 1 | $8.99 | $8.99 |
| Amazon | 10 Wire Stripper/Cutter, 24-10 AWG | 1 | $14.99 | $14.99 |
| Amazon | Butane Torch | 1 | $14.85 | $14.85 |
| Amazon | Zippo Butane Fuel | 1 | $5.49 | $5.49 |
| Amazon | Balldriver Screwdrivers Hex Set | 1 | $13.90 | $13.90 |
| Amazon | 6″ Adjustable Wrench | 1 | $10.93 | $10.93 |
| Amazon | Medium Strength Threadlocker Blue | 1 | $5.93 | $5.93 |
Again, the above is what I used, you may use your own equipment, but the idea should be the same.