Mockup

Catalyst Machineworks SL4R

By Flydynamics on Oct 26, 2017

4  207  1

In September 2016 I started experimenting a new 4" format using 1407-3600Kv motors with an extremely light set-up.
After weeks of bothering CMW to design a specific frame for this format, the SL4R came to life. Since the release of the SL4R, the new generation of 4" machines became a bit more popular than the old heavy 180 frames.
Weight - 144g

Discussion

Sign in to comment

Indy   Jun 15, 2018  

nice build! 4 inch props quads are far less popular than 5 inch or even 3 inch but they are the best ;)

Guides & Reviews

Jun 21, 2021

AirbladeUAV has done it again and this time they've brought long range to the 5" class! Based on the popular Transformer Mini, the new Transformer 5" Ultralight adopts a lot of the same design philosophies with larger props and more payload capacity. It can fly upwards of 20 minutes on a 4 cell Li-Ion battery pack and in ideal conditions it's got a range of over 4 to 5 miles. In this guide I'll walk..

Read more
Mar 04, 2021

With the release of the DJI FPV Drone cinematic FPV has become a lot more accessible, but you certainly don't want to crash a $750 drone! The QAV-CINE Freybott is a compact, lightweight cinematic FPV drone that can take a hit and keep going. It's a lot safer to fly indoors and around people. With a naked GoPro or the SMO 4k you can capture some great stabilized footage. In this guide I'll show you..

Read more