Sorted by the weight of the components. Half of this page and half of the parts weigh less than 1% of the craft's total weight each part set. 70% of the parts weigh less than 10 grams each. Only production build and prototype parts are in this page. Substitute parts are in a separate chapter page.
GensAce 11mah 25C Battery set - 87.2 grams
Consistently 65.4 grams per 3 cells in separate sells. 65.4*4/3=87.2 g.
RDQ 850mah 60C battery pack - 69.1 grams GNB 520mah 80C lipo battery pack - 55.4 grams | |
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Sunnysky v4004 300kv motor - 49.2 grams
T-Motor 4004 kv400 motor - 48.1 grams
The weight of the bell is between 17.3-2.4=14.9 and 17.6-2.5=15.1 grams. The lighter blank stater(22.2g) produces a 32.2g to 32.3g stater. The weight of the stater is very close to the maximum weight of the milligram scale and can damage the milligram scale, hence the multiple weighing on the coarse scale to estimate the true weight. Worst case with the heavier bell and the 0.5g heavier stater(22.7g blank stater) is 32.3+15.1+0.5=47.9 grams. With anti-rotation nut, 48.1 grams.
The weight of the bell is between 17.3-2.4=14.9 and 17.6-2.5=15.1 grams. The lighter blank stater(22.2g) produces a 32.2g to 32.3g stater. The weight of the stater is very close to the maximum weight of the milligram scale and can damage the milligram scale, hence the multiple weighing on the coarse scale to estimate the true weight. Worst case with the heavier bell and the 0.5g heavier stater(22.7g blank stater) is 32.3+15.1+0.5=47.9 grams. With anti-rotation nut, 48.1 grams.
Sunnysky v2806 400kv motor - 26.0 grams
Blade 230 main frame - 24.3 grams
The main frame below on the left is the lightest I have ever received. It was weighed after the landing skid protrusion of 0.4g was trimmed out at 25.3g. So it should weigh 25.7g anew. The main frame below on the right is the heaviest I have ever received, at 27.1g.
![]() | The frame on the left and below on the right are of the same frame used in the trimming procedure. The 2 weighing pictures show the weight deduction of 4.5 grams with the erroneous trimming of the front stud in the same trimming procedure discussion. So a correct weight deduction should be 4.2g.![]() |
The hardware screws weigh 1.4 grams (6 black screws instead of 5 black screws with the erroneous trimming of the front stud). So the overall installation of the main frame is between 25.7-4.2+1.4=22.9 and 27.1-4.2+1.4=24.3, worst case 24.3 grams. | ![]() |
Oxy2 210mm main blade - 13.4(carbon)-15.8(plastic) grams
Trimming out 17mm saves 1.2 grams.
Runcam Thumb Pro W - 12.4 gramsCaddx Turtle camera - 9.5 grams | |
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Raspberry Pi Zero WH - 11.8 grams
without header without SD card is 8.9g
Blade Fusion 180 Smart Side Walls - 8.2 grams
Two plates per craft. Trimming out the center trusss likely saves 0.5 grams.
Blade Thrust 20A ESC - 4.8-8.0 grams
To determine the 20AWG wires' mass, the battery wire pair, at 1.9 inches, weighs 0.71 g, as pictured below with a LittleBee 20A ESC. The motor wire triplet weights 1.229 g at 2.15 inches. The motor wires are determined to be 20AWG at the same weight because 1.229/2.15/3=0.19g/inch/strand=0.71/1.9/2 .
The signal wires weigh 0.3 g for the 1.5-inch pair as pictured below, considering the Blade Thrust ESC has the same length as the LittleBee ESC, at 1.0 inch, and the twisted signal wires are slighter longer than the ESC and would be 1.5 inches after untwisting. The complete ESC set weighs 1.229 * 1.75 / 2.15 + 7 * 0.1 + 0.7 * 3 / 1.9 * 2 + 2.025 * 2 = 7.96 = 8.0 g.
Runcam Thumb - 7.8 grams
Previously shown the cable set at 0.4 grams.
HGLRC 1106 2400kv motor - 7.2 grams
HGLRC 1303.5 2500kv motor - 6.9 grams | |
Blade Fusion 180s Bearing Blocks - 6.6 g
OXY Heli Sport Main Grip Set - 6.2 g
Blade Fusion 180s Tail Block - 5.0 grams
Injection part with 2 pairs of M2x5mm bolts and 1 M2x8mm bolts = 4.85+2*0.3+0.2=5.654g.
Trimming out the downward-facing-plate and the pully protrusion = 5.654 - 5.005 = 0.649g saving.
Beitian BN-180 GPS - 5.2 grams | Microheli Precision CNC Titanium Main Shaft V950 - 4.8 grams |
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Lynx Blade 230 carbon fiber tail boom - 4.8 grams | Blade 230 swash - 4.5g | |
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Align 250 DFC GripSet - 3.7 g | Blade 230 landing skidSet - 2.2 - 3.1g | HGLRC FD411 - 2.8 g |
The set includes the unused DFC bolts and their washer ![]() | ![]() ![]() |
Blade 180 CFX washer - 2.5 grams
Acrylic sheet 0.08 inch - 2.6 grams JST-XH charging plug and cable - 2.4 grams
Blade 180 Smart Bottom Plate - 2.4 grams Battery Tray - 2.3 grams
The bottom plate's long strut designed for tail truss structure needs to be cut out and, instead, trimmed and used as the motor mount's front truss to reinforce the main frame structure, using the 2 1.7mm screws in the package. The battery tray doesn't need screws in this build, and instead, use the 2 1.7mm screws in the package as the tail block lower fastener.
E-Flight BSR servo push rod set - 2.2 grams
The original set on sale is shown as 2.0 grams. The 1 extra ball link pair with rod needed to connect to DFC pin is shown as 0.4 grams. The long rod's non-threaded part to be trimmed out is 0.6 - 0.4 = 0.2 grams. So the 4 links total is 2.0 - 0.2 + 0.4 = 2.2 grams.
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The long rod, after cutting out the center, non-threaded area, has 2 short segments, each for 1 rear servo rod. One of the original rear rod is used for the front rod. The second original rear rod is used as one of the DFC rod. The extra ball link pair from a second purchase of this item has 1 rod for the second DFC link. The extra ball link pair from the second purchase of this item has 2 ball sockets for the 2 DFC links.
16A ESC - 2.1grams
T-Rex 250 landing skid - 1.4 grams
Microheli Blade 230 main shaft - 0.1-1.8 grams
XT30 connector - 0.9-1.7 grams
Blade 180 CFX main rotor hub - 1.4 grams
Blade 180 CFX feathering shaft - 1.4 grams
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Velcro tie 3/4 inch with adhesive - 1.4 grams per 14 cm
0.8g / 8cm = 0.1 grams per cm . 3.5cm for bottom attachment for battery. 4.5cm for top attachment for battery. 6cm for battery itself.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLyn4FpB6HfA_6lTZUYlqwDH3J1dWe8o047uKG5AyheCRBleSEKLQWrcnyJxOrXzlGwki0gjJ6U1e1ypy6V9MFlZA2EEwm0-PYdpgVsHjOjuUZMaaVjtWxhajm7ap3VnL-IY8cqar7_O4/w400-h300/IMG_20171212_190130.jpg)
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M1.5 x 6mm self-tapping screw - 0.4 grams per 5 pcs
The scale is calibrated with the small bag. 1 screw for each of the 3 servo arms. 2 for the bottom plate.
Runcam Nano 3 - 1.2 grams
FrSky XM+ RC receiver - 1.2 grams TBS Crossfire Nano - 1.2 grams
Solder - 0.7-1.1 grams per 35-62 points
The 4-8 soldering points adds 0.1 grams, average 6 points. The wires in the first picture have not been pre-tinned in at the cuts. The reading oscillates between 3.6 and 3.7 in the second picture with 4 soldering points, and it settles at 3.7 in the third picture with 8 soldering points.
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The solder is a tin-lead alloy and the density is about 9 times that of water. For joining the 22 AWG, wire lead is 3mm in length, 0.4mm cross section area pre-tin on each side of the wires then joined. So, 2.4mm cube per job, and the weight is 0.1cm x 0.1cm x 0.1cm x 9g/cc x 2.4 = 0.021 gram.
Original build has 3 main motor joins, 9 tail motor joins, 2 power distribution points, 2 battery plug points, 2 power tapping on the buck converter, 2 power tapping far end, 8 points on raspberry pi, 3 points on receiver, GPS 4 points. 35 points.
Adrenaline diving build relocates raspberry pi's points to camera and VTX, then 3 servos needs 3 points each, 2 ESCs needs 2 points each. 35+13=48.
Endurance build needs extra 7 points for ESC build and 9 points for battery build. 48+16=64.
Picoblade 1.25mm 3pin 10cm set - 1.0 grams
The manufacturer specified 10cm length includes the male plug 0.5cm and the base of female socket(but not the actual socket) 0.5cm.
The raspberry Pi's power pins or the FD411's camera pins need 8cm(8.5cm including the socket) female half wire for powering or for signaling. That leaves 2cm 3 wires to be soldered on the RF receiver of the craft. In case of video signaling, the male half of the wire set needs another 0.5cm of the plugs itself and another 0.5cm wires. So the male half has 9cm left to solder on FD411's sbus pins for connecting toward the radio receiver. So, the RF receiver has 2+9=11cm distance from the flight computer. This is the same distancing provided with CC3D atom's main port(RF receiving port) wire set.
The raspberry Pi's power pins or the FD411's camera pins need 8cm(8.5cm including the socket) female half wire for powering or for signaling. That leaves 2cm 3 wires to be soldered on the RF receiver of the craft. In case of video signaling, the male half of the wire set needs another 0.5cm of the plugs itself and another 0.5cm wires. So the male half has 9cm left to solder on FD411's sbus pins for connecting toward the radio receiver. So, the RF receiver has 2+9=11cm distance from the flight computer. This is the same distancing provided with CC3D atom's main port(RF receiving port) wire set.
24 AWG enameled wire - 0.8 grams per 45cm
7.5cm for 2 power input of each of the 2 ESCs. 5cm for each of the 3 main motor poles.
CHENYANG Ultra Mini DM Micro USB 5pin OTG Adapter - 0.7 grams per pair
Hypertough zip tie 3mm trimmed - 0.7 grams per 5 pcs
Clear mounting tape - 0.7 grams per square inch
Pictured here is 1 inch square. FD411 needs 12.5 long, 6.5mm wide, 4 pieces layered on the front and 1 piece on the rear; GPS needs 1 piece on the custom strut and 2 half-length pieces on the GPS itself. The tail needs 2 half-width pieces in 2 layers.
ABS 4x4mm struts - 0.6 grams 4.4cm
Each of the 2 pieces is 2.2cm long. Servos spaced 1.8cm from fastener to fastener. Total width is 2.6cm, but the 0.8cm ends are tapered off. Counting the ends at the centers of the slopes. 1.8cm+0.4cm = 2.2cm .
Blade Fusion 180S anti-rotation bracket - 0.5 grams
Blade 230 anti-rotation bracket - 0.5 grams | M2x4-6mm bolts with nuts set - 0.5 grams |
Previously shown with BSR anti-rotation bracket that the 1 unused screw is 0.1 gram. ![]() | ![]() ![]() |
Velcro tie 5/8 inch without adhesive - 0.4 grams per 10cm
Mounting inch squares - 0.3 grams per square inch
The FrSky XM+ needs an entire square on the antenna, but 1/4 of a square inch can be carved out for attaching the ArduCam camera and Raspberry Pi. TBS crossfire RF receiver needs 2/3 of a square to make 4 strips for a fixture of the antenna and the remaining 1/3 of a square inch for the Runcam Nano3 camera.
Oxy2 Sport DFC rod set - 0.3 grams
Previous weighing of Blade 180 CFX main hub had 1.4 grams. The DFC rod set is hence 1.7-1.4=0.3 grams.
M2x10mm bolt - 0.3 grams
SanDisk 32GB SD card - 0.2 grams
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfCmxvBPcGKulPm0psL9PyYXQwgK6Z2tf_EKX3NUP0QAVrFI9AgG-SrxnnDwGHJHT6DabcjD5eWWR6ljFe8gLtPNXzr4k2gngmB1T1s12RyYqAid_d6QbBGhNAXjA7xF69V-md7QqDUg4/s400/IMG_20180815_194339_2.jpg)
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Heat Shrink Tube 1.5mm - 0.2 grams per 10cm
Nylon M2 washers - 0.1 grams per 6-8pc Kevlar string - 0.0 grams per 30-50cm
0.055 x 6 / 3 = 0.11 g 2.5 * 3.14 * 4cm = 31.4cm
0.055 x 8 / 3 = 0.147g 0.025 * 50cm / 31.4 = 0.0398g
M3x4mm Flathead Screw - 0.1 grams
Trimmed to fit the tight space in between trusses of the lower bearing block.
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