Marmotte

By rtyler on Mar 31, 2019

14  1,323  5

I moved most of the parts from my SquirtV2 over to this Marmotte frame so I can continue to build my freestyle skills. This is my first 5" quad and my second build. I decided to install a Falkor Mini 2.5mm on this build because the Marmotte is designed for a mini size camera, and I was curious to see how it compared to the Micro Eagle I used on my Squirt.

I miss my Squirt already so I'm sure I will end up getting parts to get it back in the air soon. I was flying it in cold weather and the ducts kept cracking from hard landings or small bumps. I've been struggling to print TPU reliably on my Duplicator 6, so I decided to go for a 5" freestyle frame that doesn't require two 10-hour prints whenever I crash.

456g with GoPro but no battery.

Photos

Part List

Frame

Armattan Marmotte 5" Frame - Choose Carbon Type (57 builds)
Rotorriot.com
$109.00

Flight Controller

Talon F7 BB 20X20 Flight Controller (13 builds)
Heli-nation.com
$32.99

ESCs

Aikon AK32PIN 4in1 20x20 35A 6S ESC (40 builds)
Heli-nation.com
$59.00

Motors

4 x 3BHOBBY 2306 2500KV Training Motor (6 builds)
Getfpv.com
$51.96

Propellers

HQProp DP 5x4.3x3 PC V1S Clear Propeller - 3 Blade (2CW+2CCW/Bag) (344 builds)
Getfpv.com
$3.60

FPV Camera

Foxeer Falkor 2 Mini FPV Camera 1200TVL CMOS 16:9/4:3 PAL/NTSC (1.8 or 2.5mm) - Choose Your Color & Lens (52 builds)
Racedayquads.com
$39.90

FPV Transmitter

TBS Unify Pro32 Nano 5G8 400mW Video Transmitter (10 builds)
Getfpv.com
$29.95

Antenna

TBS Crossfire Immortal T V2 Antenna (11 builds)
Team-blacksheep.com
$5.95

Antenna

Lumenier Micro AXII U.FL 5.8GHz Antenna (RHCP) (7 builds)
Heli-nation.com
$19.99

Receiver

TBS Crossfire Nano Rx (411 builds)
Getfpv.com
$29.99

Batteries

RDQ Series 14.8V 4S 1500mAh 100C LiPo Battery - XT60 (37 builds)
Racedayquads.com
$22.99

Radio

FrSky Taranis QX7S 2.4GHz RC Transmitter - Carbon or Blue (25 builds)
Racedayquads.com
$184.99

Goggles

Fat Shark Dominator HDO FPV Goggles (93 builds)
Getfpv.com
$449.99

HD Camera

GoPro Hero5 Session Waterproof 4K Video Camera
$214.17

Misc Parts

WhiteNoiseFPV Unify Pro VTX Mounting Board - Nano (2 builds)
Getfpv.com
$3.99

Misc Parts

Marmotte Immortal-T V2 and Micro AXII U.FL antenna mount by mackhistory
Thingiverse.com
See Site

Misc Parts

Armattan Marmotte GoPro Session mount by mackhistory
Thingiverse.com
See Site

Video Receiver

ImmersionRC rapidFIRE w/ Analog PLUS Goggle Receiver Module (104 builds)
Getfpv.com
$149.95

Radio Module

TBS Crossfire Micro TX (85 builds)
Team-blacksheep.com
$69.95

Battery Charger

IMAX B6AC LCD Screen Digital RC Lipo NiMH Battery Balance Charger Discharger Hot (23 builds)
Ebay.com
$28.99

Soldering Iron

Hakko FX888D-23BY Digital Soldering Station FX-888D FX-888 (blue & yellow) (19 builds)
Amazon.com
$99.42
Show stores (9)

Discussion

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doc   Apr 19, 2019  

CLEAN BUILD! Just finished my Marmotte build with the same fc and esc. Been running the pin32 and talon f7 for 2 months now and I'm amazed how good this stack runs on 6s and 2208's.

Alibi   Mar 31, 2019  

I really like the vtx/rx mounting solution in the rear? Did you just use the pin adapator on the nano rx and solder it to the top? Could you post some more pics of that with the top plate off?

rtyler   Apr 02, 2019 

Sure, I just added more photos above.

I used the WhitenoiseFPV nano-nano mounting board for the TBS VTX and RX and mounted it in the aft 20mm slots on the frame. One of the reasons I like the Marmotte frame is the flexibility that the mounting holes and slots allow.

I designed the antenna mount so the VTX antenna is positioned based on how it is mounted on the frame. The Immortal-T lead is too long for a straight shot, so I looped it back and used some of the heat shrink provided with the VTX to hold it in place. There is also a strip of heat shrink holding the U.FL connector down on the RX.

A glob of hot glue secures the antenna leads to the Whitenoise board for additional strain relief.

I got a bunch of dirt in the open bottom motors during my first landing, so I printed some of these protectors for next time: https://www.thingiverse.com/thing:3115041. We'll see if they keep dirt out.

Alibi   Apr 03, 2019 

Thank, man! Such a clean looking build, I might have to borrow it :). It's hard to see how you attached the Rx but I'm assuming you pretty much did it like the pic here:

rtyler   Apr 04, 2019 

Exactly! I designed the antenna mount to run the antenna leads straight off the boards with no intermediary pigtail. Time will tell if that's a good idea! The Immortal-T loops forward and then back, so that will help with strain relief. The AXII goes straight back and up, but there's some hot glue in between as strain relief. We'll see what happens if it gets hooked on something hard.

I've heard that if you buy a Unify Pro32 Nano vtx from a recent batch, it comes with a mounting board that fits the Pro32 perfectly. The WhitenoiseFPV board I used is actually designed for the regular nano vtx, not the Pro32, so I filed it slightly to fit.

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