The lightest NanoLR

By 33Eyes on Jun 22, 2021

6  176  5

I wanted to see how far I could push a 1s lipo and I had the motors laying around for over a year waiting on a nano tri-copter build that wasn't happening anytime soon and when I saw these props on PYRO I thought I'd try something with them. So I put the nano LR frame on a diet and added some 2mm carbon rod for arms, frame weight was 5.6g in abs, carbon was cut 120mm for the front and 70mm for the back two. The gps is a bn-180 with the shield, connector and antenna removed using rg-316 center cable for a dipole, 49mm signal wire and 92mm end to end, It gets 10+ sats reliably. Rx is a 2.4 ELRS nano diversity with 29mm enamel wire antennas and shield taken off the esp, the range seems great, RX is DIY made by me, as is my ELRS lite module

On a yellow 600mah GNB it will fly for 10 minutes at an AUW of 45.75g, harder flying on the 600mah gave me about 6-7 minutes with the new RDQ 850 it would probably go 12-13 minutes in a long range flight

https://www.youtube.com/watch?v=V-Xw54VlyDw&t=443s Enamel wire antennas suck maybe if they had better LOS instead of poking out through wire under the FC. 50mw 250hz 1.1km while sitting, a fence inbetween and the sprinklers on at the golf course. Also 15+mph headwind on the way back was fun haha

Photos

Part List

Frame

#NanoLongRangeWhoop by ThirtyThreeEyes
Thingiverse.com
See Site

Flight Controller

F4 1S Brushless Flight Controller V2.2 (16 builds)
Betafpv.com
$34.99

Motors

4 x HappyModel SE0803 1-3S 1mm 12000KV 16000KV 19000KV Motors
Cyclonefpv.com
$39.96

Propellers

Gemfan Ducted 3" 75mm Bi-Blade Propeller 1mm Shaft (4CW+4CCW) - Choose Your Color
Pyrodrone.com
$3.29

FPV Camera

LDARC 199C Mini Camera for TINY 6X FPV Racing Drone RC Racer Quadcopter 1.9g (3 builds)
Xt-xinte.com
$8.99

FPV Transmitter

Eachine ATX03S 5.8GHz 40CH 25mW/50mw/200mW Switchable FPV Transmitter Smart Audio With Microphone for RC Drone (3 builds)
Banggood.com
$17.99

Receiver

ExpressLRS/ExpressLRS-Hardware (3 builds)
Github.com
See Site

Batteries

GNB 600mAh 3.8v 1S 90C - Lipo Whoop PH 2.0 Battery
Newbeedrone.com
$4.50

Radio

Jumper T-Lite JP4-in-1 Multi Protocol Open TX 2.4GHz RC Transmitter w/ Hall Gimbals (8 builds)
Racedayquads.com
$75.99

Goggles

Fatshark Dominator HD3 Core 3D FPV Goggles with HDMI DVR Support Head Tracker (82 builds)
Banggood.com
$399.00

Misc Parts

Beitian BN 180 GPS Module UART TTL Dual Glonass GPS + Passive Antenna for Arduino Aircraft CC3D F3 Flight Control
Aliexpress.com
$9.32

Misc Parts

1 Meter Carbon Fiber Rod (1PC) - Choose Your Size
Racedayquads.com
$0.89

Video Receiver

TBS Fusion (23 builds)
Team-blacksheep.com
$119.95

Radio Module

ExpressLRS/ExpressLRS
Github.com
See Site

Battery Charger

URUAV 6 in 1 PRO 5X4.35W 5X1A Battery Charger for 1S LiPO/LiHv/Li-ion Battery Charger With Micro MX mCPX JST
Banggood.com
$19.99

Soldering Iron

New YIHUA 700W 8786D-I 2in1 Soldering Rework Station Iron ESD Welder Hot Air Gun
Ebay.com
$66.99
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Discussion

Sign in to comment

StickyRice   25 days ago  

Carbon Fiber Rods for the win!

fovea   Jun 22, 2021  
1

nice!
that board is bad quality, hopefully it holds for your use and you dont loose your quad because of beta-quality :-/

OptimaZe   Jun 22, 2021 
1

I've had two bad experiences with that particular FC. I do have a few BetaFPV FC's that have been very reliable but all are 1-2s boards that I only use with 1s.

33Eyes   Jun 23, 2021 
1

It seems to be fine so far and it held up in a 75mm whoop for about a good year or so before this build. I know Beta has pretty crappy qc and just quality in general but, hopefully with no vtx hooked to the vreg and no onboard RX it might hold up. It didn't seem to have any problem on the way back in the video I just posted and I was pushing it pretty hard for the return trip into the wind

OptimaZe   Jun 22, 2021  
1

Very cool! I really like that this design uses carbon rods for the arms.

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