28 June 2013

Quadrotor Shopping List

This post is part of a series: Designing a Mapping Robot

Version 1

Version 1 was based off of the shopping list at scoutuav.com. If you want to know why I chose a specific part for version 1 the answer is usually "because I didn't know any better". Click HERE if you want the full story.

Frame

Power Systems and Motor:

Intelligence Systems:

Communications & Sensors:

Misc:

Version 2

With version 2 I decided to go with a few more package deals and take advantage of my new-found wisdom gained from version 1.

The motors, battery and ESCs are the same as version 1. The frame was ditched for one that I 3D printed.

The APM I bought as a kit and it included APM, GPS, Telemetry Radio, Power monitor, plastic case and all related cords and cables.

Frame

The printed parts were made with black PLA on a Makerbot Replicator 2 at medium resolution. The frame was made of cedar sticks. 1/2" x 1/2" on the cross section and 40cm long.  You will need 4 for a set and then probably 4-5 sets. If cedar isn't your thing you can get aluminum ones on Ebay. The case is a Pelican 1040 micro case I bought at MEC.ca.

For the case I used a Pelican 1040 Micro Case which I drilled holes in and then sealed up around my motor cables. This way every electronic bit except the motors is protected.

I kept the battery, motors and ESCs from version 1 because I already had them and there was no reason to change.

Power Systems and Motor (same as version 1):

Intelligence Systems:

Communications & Sensors:

Misc:

Lessons learned

1. Shop around

Ebay is your friend. I was able to get a lot of the parts way cheaper by buying in bulk or just searching around for a better deal. Propellers are a great example. You can get a pack of twenty on ebay for next to nothing and if you click the "free shipping" filter it can bring things down even farther.

2. Take care of your batteries

LiPOs are finicky things. Make sure to buy an appropriate charger and store them at the storage voltage. These aren't the most expensive part of the build by a long shot but if you take care of them you can get quite a few charges out of them. This is definitely a case where you want to RTFM!


This post is part of a series: Designing a Mapping Robot
  1. Building a 3D mapping Robot 24 June 2013
  2. Quadrotor Shopping List 28 June 2013
  3. Assembly and why Flying indoors is a bad idea 30 June 2013
  4. First flight. Everything was going so well..... 10 January 2014

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