MDR-1 Tricopter

This is the build page for my MDR-1 Tricopter.  MDR-1 is based on David Windestål original design with my own small modifications; the largest being the use of Flitetest’s Bat Bone, body instead of David’s original body design.

Tricopter Build Price Sheet

MDR-1 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-1. Beside these parts, there is other equipment required to build and fly the tricopter, see below.

Seller Description Qty Each Total
Horizon Hobby AR6210 6-Channel DSMX Receiver 1 $69.99 $69.99
Flitetest Bat Bone Tri 370 Kit 1 $79.00 $79.00
Flitetest Original Tricopter Camera Mount Kit 1 $20.00 $20.00
Hobby King KK2.0 Multi-rotor LCD Flight Control Board 1 $29.99 $29.99
Hobby King DT750 750kV Motors 3 $11.22 $33.66
Hobby King TURNIGY Plush 18amp Speed Controllers 3 $11.31 $33.93
Hobby King 3s Turnigy 25-35C 2200mAh LiPo 3 $10.30 $30.90
Hobby King BMS-385DMAX Digital Servo (Metal Gear) 1 $20.48 $20.48
Hobby King GWS 11×4.7 (RD-1147 279x119mm)(6 pack) 1 $5.40 $5.40
Hobby King Hex Screw M3x16 20pcs 1 $1.89 $1.89
Hobby King Hex locknuts M3 10pcs 2 $0.79 $1.58
Hobby King Cable Ties – White (350mm) (50pcs/bag) 2 $1.81 $3.62
Hobby King XT60 to 3 X 3.5mm bullet ESC Power Cable 1 $2.70 $2.70
Hobby King 3.5mm Gold Connectors 10 PAIRS (20PC) 2 $1.77 $3.54
Hobby King 4mm Heat Shrink Tube – Black 2 $0.25 $0.50
Hobby King 4mm Heat Shrink Tube – Red 2 $0.25 $0.50
Hobby King Silicone Wire 16AWG (1mtr) Black 2 $0.99 $1.98
Hobby King Silicone Wire 16AWG (1mtr) Red 2 $0.99 $1.98
Horizon Hobby Shipping for order 1 $10.40 $10.40
Flitetest Shipping for order 1 $8.03 $8.03
Hobby King Shipping for order 1 $26.90 $26.90
Pricing as of June 2013 Total $386.95

Required Equipment to build this tricopter

The below list is the items I used during the build of the MDR-1 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.

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