3-inchActive1Sultralight3-inchanalog18650beginner-friendly

Crux 3 Ultralight

A stripped down quad built only with the essentials.

Performance

AUW

90g

Dry Weight

42g

Flight Time

15-25min

Max Range

1km

Est. Cost

$150

Components

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FrameCrux 3

Motors

Flight Controller

ESCBuilt-in 12A

VTX

Camera

Propellers

ReceiverBuilt-in ELRS 2.4GHz

Battery Config1S

Profile

Pros

+ Inexpensive

+ Fairly durable

+ Smooth flight characteristics

Cons

− Limited range

− No GPS

− Low end video quality

Build Notes & Lessons Learned

Flight Notes

This is a relatively easy build well suited for beginners but flies well enough for experts. It's hard to beat the performance of this quad for the 1s 18650 class with it being so light.

Tutorial video: Watch on YouTube

Component Links:

Frame: Crux 3
Flight Controller: BetaFPV Matrix 5in1
Motors: HGLRC Specter 1202.5 11000kv
Props: Gemfan Hurricane 3018
Camera: Caddx Ant Nano
Cell: Eve 30PL 18650
Battery Holder: 3D Print File