Brushless Worker Hurricane Cage + Flywheels

Stock motors in a Worker Hurricane are crap. But you can now upgrade them to a Brushless setup.

Performance on 3s averages 142fps with highs to 167.9fps.

** Version 2: **
An update to version 2 was released on 5 May 2019. Both upper and lower cage have changed, and are not compartible with v1:

• Integrated barrel.
• Less (as in no more) barrel jams
• Higher performance
• Easier to install

You will need to cut off the barrel nubs

Shopping List:
2 x Turnigy Viking 1308 4100kv motors: One CW and one CCW
https://hobbyking.com/en_us/multistar-viking-brushless-outrunner-drone-racing-motor-1308-4100kv-cw.html
https://hobbyking.com/en_us/multistar-viking-brushless-outrunner-drone-racing-motor-1308-4100kv-ccw.html

2 x Brushless ESC of 20a or more. I prefer BLHeli and have the Turnigy BLHeli_s 30a units installed.
30a - https://hobbyking.com/en_us/blheli-s-30a.html
20a - https://hobbyking.com/en_us/blheli-s-20a.html

1 x BEC module
https://www.aliexpress.com/item/Receiver-Power-Supply-5V-3A-Brushless-ESC-External-Type-BEC-UBEC-Support-2-6S/32882504953.html

1 x Arduino Nano or Pro Micro
https://www.aliexpress.com/item/New-Pro-Micro-for-arduino-ATmega32U4-5V-16MHz-Module-with-2-row-pin-header-For-Leonardo/32768308647.html

Please be aware with the Pro Micro, you must ensure you select the right CPU clock frequency and voltage in Arduino. The default is 3v3 / 8mhz instead of 5v / 16mhz. You will soft-brick your Arduino if you get it wrong. If you aren't sure what this means, get the Nano instead. Despite the advantages of the Pro Micro over the Nano, this is the real Achilles heel - a moment's inattention will give you a bad day.

You will struggle to fit a nano in though.

Printing Info
Flywheels need to be printed at 30% infill, with a 3d infill pattern (e.g. cubic). 4 Walls, floor, and roof layers are required for structural integrity. No supports required. I use Polymax for flywheels as it's nearly indestructible.

Cage needs to be printed at 100% infill.Supports are required. I use ESun PLA+ for my cages.

Upper cage can be printed in any settings you like. I typically use a 25% infill

Installation Process
Screw the motors into the cage using the included hex bolts.

I have videos on the details of this particular build, but I have assumed that you have a fairly basic level of knowledge on brushless setups. There are plenty of videos on brushless nerf builds - especially based on Ultrasonic2's Ultra Stryfe. The process is fundamentally the same.

My ESC's are tuned in the following way:

• Timing = Medium High
• Startup Power = 100%
  Everything it more or less default.

Wiring
Firmware is now uploaded.

• Rev trigger connects to Pin 4. The side of the switch connects to Ground. The stock arrangement with the slide switch can be used to break this signal to provide a safety
• Speed Pot center pin connects to Pin A1. One side of the Speed Pot connects to 5v from the BEC, the other connects to Ground
• ESC A connects to Pin 10
• ESC B connects to Pin 9
  (You can connect both ESC's to the same pin, but it will be a challenge to fit a servo split adapter in the shell). The other side connects to Ground. Typically, in an ESC, the light colour wire is the signal, and the dark colour one is ground.

Video Info
Pt1 - Demo https://youtu.be/QGZdFIZZkgs

Shoutouts
Shoutout to Ultrasonic2 as I cut my teeth building a number of brushless setups based on his files. That experience allows me to develop this.

License
Absolutely no commercial use of these models, firmware, circuit diagrams, etc are allowed.

My exception is when you pay a general purpose print lab / service (such as 3dHubs) to print models for your own personal use.

If you have anything else in mind, please contact me.