2"/2.5" 2S hungryshark: feed me

By deks on Jul 08, 2018

21  519  9

Originally my babyshark. I was annoyed by the micro cmos cam: bad low light, bad dynamic range, and also poked out from the front of the canopy because the cam I got had a longer lens than the canopy was designed for. So I designed a new canopy that works with cam+vtx AIOs, which I've found has better video quality.

This build is relatively heavy, ~45g dry. The 300mah nanotechs sag immediately. The 450mah glaciers do a lot better.

This build has gone through a lot of variation: different flight controllers, props, batteries, cams - and it seems to fly well no matter what. Also I finally broke the bottom plate on my original babyshark, and swapped things over to a 2.5" 3mm thick prototype babyshark from lazd. Need to do a more careful comparison, but 2.5" feels surprisingly good even on these little 1103s. 3mm is excessive, and pushes the dry weight to ~50g w/ rotorx 2535 biblades, ~53g w/ the gemfan flash, but it still handles quite well.


Photos

Part List

Frame

Babyshark (9 builds)
Falconmultirotors.com
$25.00

Flight Controller

Full speed 16 x 16 mounting hole 2S F3 Flight tower DSHOT 600 with OSD - $30.55 |GearBest.com (3 builds)
Gearbest.com
$30.55

Flight Controller

Super_S 16x16mm Betaflight STM32F3 F3 Flight Controller Integrated with OSD BEC for RC Drone (2 builds)
Banggood.com
$18.99

ESCs

Fishpepper 5A BB2 48MHz DSHOT600 1-2S 4in1 ESCSKU: FPV-0252-S (8 builds)
Furiousfpv.com
$24.95

Motors

4 x Racerstar Racing Edition 1103 BR1103B 8000KV 10000KV 1-3S Brushless Motor Pink For 50-100 RC Drone FPV Racing (3 builds)
Banggood.com
$34.76

Motors

EaglePower S1103 8000kv Brushless Motor - 4pcs (2 builds)
Flexrc.com
$37.96

Propellers

RotorX RX 2535 Props (8 CW & 8 CCW) (28 builds)
Airbladeuav.com
$7.98

Propellers

Gemfan 2540 Flash Tri Blade Prop (92 builds)
Racedayquads.com
$3.69

Propellers

Cyclone 2035 2'' Quad Blade DAL Prop - CHOOSE YOUR COLOR (8 builds)
Racedayquads.com
$2.99

Propellers

HQ 2.5x3.5x3 2.5'' Props - CHOOSE YOUR COLOR (5 builds)
Racedayquads.com
$1.60

FPV Camera

Crazepony FPV Micro AIO Camera 5.8G 40CH 25mW Video Transmitter VTX Switchable Raceband Support OSD FOV 150°for FPV Drone li (4 builds)
Amazon.com
$19.99

FPV Camera

LST - S2 5.8G 800TVL HD Micro CMOS FPV Camera - $14.76 |GearBest.com (12 builds)
Gearbest.com
$14.76

Receiver

8CH SUBS Super Micro Compatible Receiver for Frsky X9D Plus (3 builds)
Banggood.com
$9.99

Batteries

AirBlade Basic 300mAh 2S 7.4V 45C XT30 by Tattu (2 builds)
Airbladeuav-usa.com
$6.49

Batteries

Turnigy nano-tech 300mah 2S 35~70C Lipo Pack (11 builds)
Hobbyking.com
$4.92

Batteries

Glacier 25C 450mAh 2S 7.4V LiPo Battery with JST Connector (6 builds)
Buddyrc.com
$109.99

Batteries

AirBlade Premium 500mAh 2S 7.4V 75C XT30 by Bonka (2 builds)
Airbladeuav-usa.com
$10.99

Misc Parts

4 PCS Eachine Propeller Guard For Aurora 100 Mini FPV Racing RC Drone 1102 1103 1104 1105 Brushless Motor (12 builds)
Banggood.com
$2.39

Misc Parts

Hungryshark canopy (for Falcon Multirotors Babyshark bottom plate by deks_
Thingiverse.com
See Site
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Discussion

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PoyoFPV   4 days ago  

whoaaa you really puch the limits of this thing hahah. I applaud you bruh!!

MaximusFPV   Jul 28, 2018  

Awesome flying, loved that first little clip. Playgrounds are great and those Cyclones are AMAZING! One tip, try either diving through or swooping up through that set of circular monkey bars. It looks really cool to come up through it, do a half flip so you pitch down facing it, and then shoot off and keep flying.

Show 1 more comment
MaximusFPV   Aug 01, 2018 

Worst that happens is you crashand fall a few feet. Those tend to do less damage than most of my normal, head-on crashes.

MaximusFPV   Aug 01, 2018 
1

Also, I lowered my rates after I saw this and went to the playground and it was great! Lower rates makes it harder to overcorrect and playgrounds become much more fun :)

deks   Aug 01, 2018 

Nice - I've been meaning to try lower rates, just been hesitant to mess with it. I'm at ~1111 deg/s on all axes (RC rate 1.0, Super 0.83). I tend to push it too far especially on yaw, but I've been keeping everything the same because I keep meaning to learn inverted yaw spins :D

Booda3000   Jul 10, 2018  

Nice flying!
what kind of flight times u getting?

deks   Jul 19, 2018 
1

I haven't been paying that much attention, but flight times are surprisingly good considering it's not that light. I would guess 3-4 minutes of freestyle on 450-500mah typically.

ghostface   Jul 10, 2018  
1

Love the canopy - great design! Also awesome flying!

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