Botgrinder Grinderino HDZero

By optikool on Apr 22, 2024

3 959 3

This is my new Botgrinder Grinderino Drone. I decided to go with Rcinpower motors this time around to do something different and see how these motors perform. These motors are simply amazing, with a lot of power. I am very happy with how this quadcopter turned out, and I'm considering making another with this frame.

Photos

Part List

Frame	Ummagawd Botgrinder Grinderino 3.5-inch Freestyle Frame Defiancerc.com	$44.95
Flight Controller	T-Motor MINI F45A+ MINI F7 STACK 20*20mmDefault Title (8 builds) Pyrodrone.com	$154.99
Motors	4 x RCINPOWER GTS V3 2105.5-M5 2950KV Motor - Teal/Pink Pyrodrone.com	$83.96
Propellers	Gemfan Hurricane 3525 Durable Tri-Blade 3.5" Propeller (2CW+2CCW) - Choose Your Color Pyrodrone.com	$3.99
FPV Camera	RunCam HDZero Micro V3 Camera - No MIPI Cable Getfpv.com	See Site
FPV Transmitter	HDZero Freestyle V2 20x20 25-1000mW HD VTX - U.FL (8 builds) Pyrodrone.com	$127.99
Antenna	TrueRC SINGULARITY 5.8 U.FL (SHORT 40mm) RHCP (10 builds) Pyrodrone.com	$19.99
Receiver	RadioMaster RP2 V2 ELRS 2.4GHz Nano Receiver w/ Ceramic Antenna (11 builds) Pyrodrone.com	$24.99
Batteries	Tattu R-Line 850mAh 14.8V 95C 4S1P Lipo Battery Pack with XT60 Plug (11 builds) Pyrodrone.com	$19.99
Radio	RadioMaster TX16S MKII MAX Joshua Bardwell Edition EdgeTX RC Transmitter w/ V4.0 Hall Gimbals - ELRS Pyrodrone.com	$249.00
Goggles	HDZero Goggle \| HDZERO (22 builds) Hd-zero.com	$599.99
Goggles	Fatshark Dominator HDO 2 V2.1 OLED FPV Goggles (71 builds) Pyrodrone.com	$499.00
3D Printed	Grinderino 35 UFL Mount by optikool Thingiverse.com	See Site
3D Printed	Grinderino 35 Arm Guard and Skid by optikool Thingiverse.com	See Site
3D Printed	Grinderino 35 Prop Strike Guard by optikool Thingiverse.com	See Site
3D Printed	Grinderino 35 FPV Camera Mount by optikool Thingiverse.com	See Site
3D Printed	Grinderino 35 Battery Camera Mount by optikool Thingiverse.com	See Site
HD Camera	GoPro HERO8 Black - Waterproof Action Camera with Touch Screen 4K Ultra HD Video 12MP Photos 1080p Live Streaming Stabilization (37 builds) Amazon.com	$2.00
HD Camera	GoPro HERO5 Session (302 builds) Getfpv.com	$199.99
HD Camera	Runcam 5 - 4K Action Camera - Choose Color (21 builds) Pyrodrone.com	$109.99
HD Camera	GoPro HERO10 Black Action Camera (Webcam, Wifi, Underwater) Gopro.com	See Site
Hardware	HDZero MIPI Cable 40mm (5 builds) Pyrodrone.com	$6.00
Misc Parts	Pack of 4 RF U.FL(IPEX/IPX) Mini PCI to SMA Female Pigtail Antenna Wi-Fi Coaxial RG-178 Low Loss Cable (2.5 inches (6.5 cm)) Amazon.com	$15.99
Misc Parts	iexcell 400 Pcs M2 x 4/6/8/10/12/14/16/20 Alloy Steel 12.9 Grade High Tensile Hex Socket Head Cap Screws Bolts Nuts Assortment K Amazon.com	$14.68
Misc Parts	Amazon.com Amazon.com	See Site
Radio Module	RadioMaster Ranger 2.4Ghz ELRS Module - Starter Combo (3 builds) Pyrodrone.com	$119.99
Accessories	TBS Diamond Antenna (37 builds) Getfpv.com	$24.95
Misc Supplies	MG Chemicals 422B Silicone Modified Conformal Coating, 55mL Glass Bottle with Brushes, Clear (22 builds) Amazon.com	$19.42
Misc Supplies	HOTA D6 PRO Dual Charger 1-6S AC200W/DC650W 15A w/ Wireless Cellphone Charging - Black (14 builds) Pyrodrone.com	$119.00

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Discussion

LuckyShotFPV Apr 01, 2025

how do you like the t motor flight controller? I'm thinking of picking up the same one you have. This will be my first build. The motor I'm using is the aerolite 1605 3800kv.

optikool Apr 01, 2025

I'm really happy with the motors I chose. They have plenty of power. I'm sure you'd be happy with them.

JAC Nov 01, 2024

did you not use the elrs antennas? loving the build trying to build mine also

optikool Nov 01, 2024

The receiver I used, link in the parts list, has the On Board SMT Antenna so no external antenna is need. This is a park flyer not a long distance flyer so I didn't need an external antenna for this build. I'm able to fly round my Townhouse complex with no issue. :-)