Birdbrain RC Morningstar 5 "Martini Special"

By BirdbrainRC on Mar 18, 2019

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Did 3 identical builds for the 2019 race season - did one white, one black, and couldn't pick a colour scheme for the third one until I realised I had TPU in all the colours necessary for a Martini Racing colour scheme. 13 filament changes, totally worth it!

Mostly the same as the Mahou Shoujo builds from last year, frame updates consist of more reinforcement on the baseplate which makes it way stronger and more rigid (even used FEA in Solidworks to help work out where to put the intermediate braces), and a fin on the pod which protects the VTX antenna (sheared a couple of pigtails in big crashes) and helps with turtle mode.

The pods for all 3 were printed in TPU - Martini Special is all Rigid.ink, Black is all Sainsmart, and White is white rigid.ink and purple Sainsmart. Baseplates are all cut from various grades of HDPE - Martini Special is red PE500, Black is PE300, and White is PE1000. The black build also has a Hobbywing 45A rather than Racerstar 35A, because I had it handy.

Just need the weather to improve so I can get some laps in before the season kicks off!

Photos

Part List

Flight Controller	3 x OMNIBUS AIO F4 V5 Flight Control (22 builds) Store.myairbot.com	$89.97
ESCs	Hobbywing XRotor Micro 45A 4in1 ESC (61 builds) Hobbyrc.co.uk	See Site
ESCs	2 x Anniversary Special Edition Racerstar REV35 35A BLheli_S 3-6S 4 In 1 ESC Built-in Current Sensor for RC Drone (112 builds) Banggood.com	$68.10
Motors	12 x AMAXinno 2305 2350/2550KV 2-6S CW Thread Brushless Motor for RC Drone FPV Racing (3 builds) Banggood.com	$263.88
Propellers	EMAX Avan S 5042 Bi-Blade 5” Prop 20 Pack - Choose Your Color (6 builds) Racedayquads.com	$7.49
Propellers	2 Pairs Gemfan Flash 5152 5.1x5.2 2-blade PC RC Drone Propeller CW CCW for 2205-2306 Motor (5 builds) Banggood.com	$4.23
Propellers	DAL 5050C Cyclone (2x CW + 2x CCW) - Crystal Red Hobbyrc.co.uk	See Site
FPV Camera	RunCam Swift 2 1/3 CCD 600TVL PAL FOV 130/150/165 Degree 2.5mm/2.3mm/2.1mm Micro FPV Camera OSD MIC (412 builds) Banggood.com	$30.99
FPV Camera	2 x FOXEER Arrow V3 2.5mm 600TVL 4:3 HAD II CCD PAL/NTSC IR Block Mini FPV Camera Built-in OSD MIC (131 builds) Banggood.com	$50.80
FPV Transmitter	3 x ChaosFPV VTX V1 Video Transmitter (25-800mW, 2-6S, VTX Telemetry, MMCX/SMA) (7 builds) Unmannedtechshop.co.uk	See Site
Antenna	3 x Foxeer Lollipop V2 5.8GHz SMA Antenna 2 Pack - RHCP - Choose Your Color (76 builds) Racedayquads.com	$59.70
Receiver	3 x Frsky XM+ Micro D16 SBUS Full Range Mini Receiver Up to 16CH for RC FPV Racing Drone Banggood.com	$41.07
Batteries	3 x Turnigy Graphene 1300mAh 6S 65C Lipo Pack w/XT60 (5 builds) Hobbyking.com	$107.70
Hardware	3 x Matek System 4 PCS M2*5+4 M2 Rubber Vibration Damping Fixing Screws for RC Drone Flight Controller (7 builds) Banggood.com	$11.13

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Discussion

RichC Mar 18, 2019

That Martini pod is awesome. Fellow F1 fan.

Rumblecloud Mar 18, 2019

What's the weight sans battery, if you don't mind me asking? I was thinking about this type of build yesterday. Had no idea someone was already on it. Thanks.

BirdbrainRC Mar 18, 2019

Not light! 376g dry, of which 144g is frame. For me personally though I'm definitely not at a skill level where a lighter frame would make a difference, and the durability and low maintenance for race day is much more valuable.

Rumblecloud Mar 18, 2019

Thanks for the fast response. I understand completely. Will look forward to flight vids if post them. I'm following now.

Rumblecloud Mar 18, 2019

Thanks for the fast response. I understand completely. Will look forward to flight vids if post them. I'm following now.

Rumblecloud Mar 18, 2019

What's the weight sans battery, if you don't mind me asking? I was thinking about this type of build yesterday. Had no idea someone was already on it. Thanks.

Burning North Mar 18, 2019

Good lord, these are some of the most photogenic frames I've ever seen. If you start selling these, I WANT IN.

Beautiful work, yo.

Jodie Froster Mar 18, 2019

OH MAH GAWD

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