2" Micro Quad - PETG edition

Dragonfly is a 3D printed 2" micro quad designed to be made out of PETG, Nylon12 or Polycarbonate, which are reasonable strong materials. And it is designed to fly like a 5" quad... Providing a great platform for indoor flying, or simply to learn to fly quads LOS or FPV. Its especial good for back garden flying, crucially it is below the 250 gm weight limit for CAA or FAA registration.

The quad weighs about 104 gm and the motor can produce up to 250 gm of thrust depending on the battery pack used, providing an exciting but predictable flight experience.

Here is a link to a video of actual flight footage . To follow..

Parts List
Micro Quad - Parts List for 2.5” Kwad
updates adding; props, batteries, antenna tubes & screws…

So, you have three cost options☺

• Parts full PFV Quad     £480 everything you need – including RC Transmitter & Goggles
• Ready To Fly  £200 - incl batteries, charger, & TX.
• Bind aNd Fly £90 Just add radio, batteries, goggles, & charger

 
I would recommend you went with option 1, the RC Transmitter & Goggles will work with our larger drone too☺
 
If you could use the affiliate links when ordering from Banggood - I gain affiliate points for that and small kickback each order - you pay the same price…  When ordering filament, please use this referral link to register with rigid.ink before ordering http://r.sloyalty.com/r/vrSCxj2CAs9i .  This helps refund all my research projects with 3D printing and drone designs…

FatShark Attitude V4 goggles - £255 - DVR included
This is a great pair of goggles
https://www.banggood.com/Fatshark-Attitude-V4-FPV-Goggles-43-Video-Headset-With-DVR-5_8G-32CH-OLED-RX-7_4V-1000mAh-Battery-p-1145262.html?p=9B190738232242016024

Fatshark Dominator HD3 - Top of the range goggle - https://s3.amazonaws.com/helpscout.net/docs/assets/52a0a907e4b010488044ba40/attachments/5a68d1412c7d3a39e62652ce/FSV1076-Dominator-HD3-Manual-RevB.pdf

Transmitter - QX7 - Remember Mode 2 left hand throttle.. £79.19
https://www.banggood.com/FrSky-ACCST-Taranis-Q-X7-2_4GHz-16CH-Transmitter-White-Black-p-1112717.html?p=9B190738232242016024
Green, Orange, Blue, White & Black

VTX - £9.34
https://www.banggood.com/Eachine-VTX03-Super-Mini-5_8G-72CH-025mW50mw200mW-Switchable-FPV-Transmitter-p-1114206.html?p=9B190738232242016024

RX - FRSKY - XSR - £13.23
https://www.banggood.com/FrSky-XSR-2_4GHz-16CH-ACCST-Receiver-S-Bus-CPPM-Output-Support-X9D-X9E-X9DP-X12S-X-Series-p-1031481.html?p=9B190738232242016024

2” Tri-blade Props - £2.34
https://www.banggood.com/4-Pairs-Gemfan-Hulkie-2040-2_0X4_0-PC-3-blade-Propeller-CW-CCW-for-0806-1105-Motor-p-1186606.html?p=9B190738232242016024

2.5” Tri-blade Props
Gemfan Flash 2540-3 Propellers 2.5x4.0 Inch Triblade Props 3-Blade Compatible with 1104 -1105 FPV Mini Racing Motors (Pack of 12 Pairs,Mix Colors) https://www.amazon.co.uk/dp/B0772TBM79/ref=cm_sw_r_cp_api_DObGAbFYMJ7M9
https://www.banggood.com/4-Pairs-Gemfan-Flash-2540-2_5x4-2_5-Inch-3-Blade-Propeller-with-1_5mm-Mounting-Hole-p-1221999.html?p=9B190738232242016024

Gemfan Flash 2540 2.5x4 2.5 Inch 3-Blade Propeller with 1.5mm Mounting Hole – 4 pairs - £2.70
https://www.banggood.com/4-Pairs-Gemfan-Flash-2540-2_5x4-2_5-Inch-3-Blade-Propeller-with-1_5mm-Mounting-Hole-p-1221999.html?p=9B190738232242016024

4 in 1 - 12A or 25A ESC - £23.45 or £27.36
https://www.banggood.com/20x20mm-Racerstar-Mini-RS12Ax4-12A-Blheli_S-BB2-2-4S-4-in-1-Brushless-ESC-D-Shot-Ready-p-1132683.html?p=9B190738232242016024
https://www.banggood.com/20x20mm-Racerstar-Star25-25A-BLHELI_S-2-4S-4in1-Brushless-ESC-Dshot600-Ready-p-1184864.html?p=9B190738232242016024

STM32F4 - Beta Flight Flight Controller OMNI F4 - with BEC & OSD - £13.29
https://www.banggood.com/Micro-20x20mm-Betaflight-STM32F4-F4-Brushless-Flight-Controller-Integrated-with-BEC-OSD-p-1132495.html?p=9B190738232242016024

BR1106 3800KV Brushless Motors - £25.41
https://www.banggood.com/4X-Racerstar-Racing-Edition-1106-BR1106-3800KV-1-3S-Brushless-Motor-For-100-120-150-RC-Multirotor-p-1111839.html?p=9B190738232242016024

FPV Camera - RunCam Micro Swift 600TVL 2.1mm/2.3mm £23.45
https://www.banggood.com/RunCam-Micro-Swift-600TVL-2_1mm-2_3mm-IR-Blocked-CCD-FPV-Camera-PAL-NTSC-5_6g-p-1144546.html?p=9B190738232242016024

Miniature GoPro - £9.38
https://www.banggood.com/Original-Mini-Camera-SQ11-HD-Camcorder-HD-Night-Vision-1080P-Sports-Mini-DV-Video-Recorder-p-1139282.html?p=9B190738232242016024

Batteries - 2S; 25g & $8.99, 3S 37g $10.99 & 4S 48g $12.99
2S low price, low power great for flying with a bear frame, nothing else a good beginners option…
3S Great for flying a VTX & FPV camera and additional TPU radio tray and camera mount
4S Great for flying with, additional TPU parts, FPV camera & VTX & a miniature GoPro

Amazon
2S, 350 mAh, 26 gms, Makerfire - £9.99 https://www.amazon.co.uk/gp/product/B0734S2LMW/ref=oh_aui_detailpage_o07_s01?ie=UTF8&psc=1
2S, 600 mAh, 32 gms, GNB - £9.99 https://www.amazon.co.uk/gp/product/B07435HP3X/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1

Newbeedrone {US custom charge but great batteries}
2S - https://newbeedrone.com/collections/batteries/products/nitro-nectar-350-mah-2s-lipo-battery
3S - https://newbeedrone.com/collections/batteries/products/nitro-nectar-350-mah-3s-lipo-battery
4S - https://newbeedrone.com/collections/batteries/products/nitro-nectar-350-mah-4s-lipo-battery

Quadcopter uk - a little heavy - £10.
3S - https://www.quadcopters.co.uk/tattu-650mah-3s-75c-lipo-battery-3238
4S - https://www.quadcopters.co.uk/tattu-650mah-148v-4s-75c-lipo-battery

Black M3 Nylon hex standoff, screw & nut kit - £5.92
https://www.banggood.com/160pcs-M3-Nylon-Black-M-F-Hex-Spacers-Screw-Nut-Assortment-Kit-p-942282.html?p=9B190738232242016024
or on Amazon
https://www.amazon.co.uk/gp/product/B01M9AY5Z6/ref=ox_sc_act_title_2?smid=AKLCSP4G2I89L&psc=1

Antenna Tubes - £1.90
https://www.amazon.co.uk/gp/product/B009H0U3CY/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

XT-30 leads - £6.99
https://www.amazon.co.uk/gp/product/B074KV21CW/ref=ox_sc_act_title_1?smid=A23CONQMRIHLKZ&psc=1

Battery Straps - £5.99
https://www.amazon.co.uk/gp/product/B071RTGYNM/ref=ox_sc_act_title_2?smid=A23CONQMRIHLKZ&psc=1

Battery Charger £16.95 or £46.91
The cheaper is good enough to start with but £46 pound is very nice…
https://www.banggood.com/Wholesale-IMAX-B6-Digital-RC-Lipo-NiMH-battery-Balance-Charger-p-46220.html?p=9B190738232242016024

https://www.banggood.com/ISDT-Q6-Plus-300W-14A-MINI-Pocket-Battery-Balance-Charger-Orange-p-1185671.html?p=9B190738232242016024

Battery bags 3 for £3.06
https://www.banggood.com/Li-Po-Battery-Explosion-Proof-Safety-Bag-Charging-Sack-18x23x6cm-p-1017484.html?p=9B190738232242016024

Filament for the Frame - you pas your money and takes your choice, I would go with PETG, White Nylon or Black Carbonite, for the flexible material TPU or flexible PLA work equally well… If you go for a fun pack I could print an number of alternate parts. Http://Rigid.ink produce high quality filaments, its not work buying from another source unless it Verbatim on Amazon.

Please use this referral link to register with rigid.ink http://r.sloyalty.com/r/vrSCxj2CAs9i

PETG – Highly recommended - £28.96 produces a very strong durable Kwad
https://rigid.ink/products/3d-filament-petg-testing-pack

Nylon 12 - Qty 10m, 1.75mm, £7.45 - easy to print - produce an exceptionally strong durable light Kwad
White only - https://rigid.ink/products/nylon-12-1-75mm-0-03-mm-tolerance-filament?variant=18130694471

Carbonite - Qty 10m, 1.75mm, £10.96, difficult to print. (This is our best option for a light, durable racing quad)
Black - https://rigid.ink/products/carbonyte-3d-printer-filament

ABS - Qty 10m, 1.75mm, Strong & durable, but difficult to print. 5 x 10m, 1.75mm, £13.96
Fun Pack - https://rigid.ink/products/abs-1-75mm-transparent-fun-pack-5-x-10m-samples?variant=52928311379

PLA - Many Colours beautiful Print Quality not as durable as Nylon, Carbonite or ABS… 5 x 10m, 1.75mm, £13.96
Fun Pack - https://rigid.ink/products/pla-fun-packs

PLA + A vibration absorbing and less brittle version of PLA, very durable. 7 x 5m, 1.75mm, £27.95
https://rigid.ink/products/3d-filament-pla-plus-testing-pack?variant=52928450003

Battery and Camera mount TPU or Flexible PLA

Thermoplastic PolyUrethane - 1.75mm, 7 x 5m, £42.95. or 10m x 1.75mm £6.46
Fun Pack - https://rigid.ink/products/3d-filament-tpu-testing-pack?variant=52928122259
individual - https://rigid.ink/products/tpu-1-75mm-0-03mm-tolerance?variant=35362462471

Flexible - PLA 1.75 with 6 x 10mm for £26.95 or £4.96 each
Fun Pack - https://rigid.ink/products/3d-filament-flexible-pla-testing-pack
individual - https://rigid.ink/products/flexible-pla-1-75-mm-0-03-mm-tolerance-filament?variant=6520579329

Alternative Frame - Carbon - £30.49
https://www.banggood.com/Exuav-145mm-Wheelbase-4mm-Arm-FPV-Racing-Drone-Frame-Kit-support-Runcam-Micro-Swift-Camera-43g-p-1212343.html?p=9B190738232242016024

Prop screws M2 x 7mm button head. Screws
https://www.amazon.co.uk/dp/B01N572N7C/ref=cm_sw_r_cp_api_9KbGAb4KK10X3

Motor bolts - M2.5 x 8mm capped head x 16
https://www.accu.co.uk/en/cap-head-screws/250408-SSCF-M2-5-8-A2-R360?uk_google_shopping=1&c=3&mkwid=s_dc&pcrid=247850430377&kword=&match=&plid=&gclid=Cj0KCQiAq6_UBRCEARIsAHyrgUzICY5FuvnkZHXYDiLGu6ExZ8IC3t941pCaabasyIv98IP864L44SIaAq92EALw_wcB

Arm screws - M1.2 x 4mm countersunk cross head self tapping screw…
https://www.amazon.co.uk/sourcingmap®-M1-2x4mm-Phillips-Tapping-Fastener/dp/B01N0XITS3/ref=sr_1_fkmr1_1?s=diy&ie=UTF8&qid=1519146479&sr=1-1-fkmr1&keywords=M1.2+x+4+mm+cross+head+countersunk+self+tappers

RGB LEDs - WS2812 24 bit true colour LED - https://thepihut.com/products/adafruit-flora-rgb-smart-neopixel-version-2-sheet-of-20?variant=27739468241&gclid=EAIaIQobChMIi7_OpJG92gIVLrXtCh2GUQiREAQYASABEgLgtPD_BwE#fo_c=1889&fo_k=6260e390432f77b08b249b46914b621d&fo_s=gplauk

Firmware setting a lot more to come here…
Chrome App’s
Betaflight -
BL_Heli_S -
OpenTX - for TX & RX -

Custom mix settings
resource MOTOR 1 B00
resource MOTOR 2 B01
resource MOTOR 3 A03
resource MOTOR 4 A02

Motors
1 = 1
2 = 4
3 = 3
4 = 2

so CLI commands
resource MOTOR 2 A02
resource MOTOR 4 B01
save

resource MOTOR 1 B00
resource MOTOR 2 A02
resource MOTOR 3 A03
resource MOTOR 4 B01

Learning to fly a quad.
https://uavcoach.com/how-to-fly-a-quadcopter-guide/