Armattan Bobcat Analog Build

By optikool on Feb 27, 2021

5  464  6

This is my Armattan Bobcat Analog Build. I started out putting in an FS Digital VTX, but after adding it, I saw it had the same static issues as my previous build, so the VTX might be defective. I couldn't find any TPU protection parts so I ended up having to make them myself. I went with the GoPro Session version of the camera holder, because it was the easiest and quickest to make, but I'm planning on putting my GoPro Hero 8 on the quad, once I design the case.

Photos

Part List

Frame

Armattan Bobcat 4" Ultra Light Long Range Frame
Defiancerc.com
$34.99

Flight Controller

Lumenier LUX MINI F7 Flight Controller (10 builds)
Getfpv.com
See Site

ESCs

Lumenier Micro Razor 4in1 20x20 F3 BLHeli_32 30A 2-6s ESC (6 builds)
Getfpv.com
$59.99

Motors

4 x T-Motor F2203.5 1500KV/2850KV/3550KV Motor (7 builds)
Getfpv.com
See Site

Propellers

GEMFAN Hurricane 4023 3-BLADE 4" Durable PROP 2CW 2CCW (CHOOSE COLOR) (10 builds)
Pyrodrone.com
$2.99

FPV Camera

Foxeer T Rex Micro 1500TVL Low Latency Super WDR FPV Camera (8 builds)
Pyrodrone.com
$54.90

FPV Transmitter

TBS UNIFY PRO32 HV (MMCX) (119 builds)
Pyrodrone.com
$49.95

Antenna

TBS Crossfire Immortal T V2 Antenna (149 builds)
Pyrodrone.com
$5.95

Receiver

TBS Crossfire Nano Rx FPV Long Range Drone Receiver (1499 builds)
Pyrodrone.com
$24.95

Batteries

Auline Li-Ion SONY VTC6 4S 3000MAH 14.8V 30A XT60 (2 builds)
Pyrodrone.com
$46.90

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 (20 builds)
Hd-zero.com
$599.99

Goggles

Fatshark Dominator HDO 2 V2.1 OLED FPV Goggles (71 builds)
Pyrodrone.com
$499.00

3D Printed

Armattan Bobcat GoPro Session 5 ND Mount by optikool
Thingiverse.com
See Site

3D Printed

Armattan Bobcat Front Bumper by optikool
Thingiverse.com
See Site

3D Printed

Armattan Bobcat SMA Immortal T GPS by optikool
Thingiverse.com
See Site

3D Printed

Armattan Bobcat Arm Guard by optikool
Thingiverse.com
See Site

3D Printed

Armattan Bobcat Foot by optikool
Thingiverse.com
See Site

3D Printed

Armattan Bobcat Prop Guard 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 (303 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

Matek GPS & COMPASS MODULE M8Q-5883 (11 builds)
Pyrodrone.com
$33.99

Misc Parts

90 DEGREE MMCX TO SMA EXTENSION CABLE SOFT RG178 (3 builds)
Pyrodrone.com
$1.95

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

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phaley51   Mar 01, 2021  

Nice Build! How do you like those motors?

Show 2 more comments
optikool   Mar 07, 2021 
1

I took it out today and was able to get about 10 minutes flight time, without battery tunning. After charging the battery, it only charged to 1217mah on a 3000mah lipo. So I have some tuning to do. At first, I thought the motors weren't even spinning because I couldn't hear them, even through live audio, until I pushed the throttle. They are pretty quiet. Flying was pretty smooth, almost gliding. I'm pretty happy with these motors for long range.

phaley51   Mar 08, 2021 

Thanks for the update! Was that with the external action camera onboard too? The Li-ions do sag a lot, I have found that you'll be tempted to land early and have done a few tests where I stayed close by to determine the point at which they fall off completely which for me is usually right at under 3v per cell.

optikool   Mar 08, 2021 

Yeah, that's with the GoPro Session camera onboard. Thanks for the info, I'll need to do some more tests to see how far I can push the battery. 3v is a good start.

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