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Welcome to the official website for the Thornlea Secondary School, NoCO2 Launcher Project. For first time visitors, please start from the bottom of the blog and read your way up, doing so will allow you to read "up" to where we are today. There is also a convenient Archive of posts on the right sidebar under "Blog Archive". There are options to subscribe to the blog at the bottom of the page.


Sunday, June 16, 2013

Update 16/06/13 Controllers

UPDATE 16/06/13: The making of the acrylic launch buttons/controllers has been interesting, using a piece of 1" Acrylic rod cut 4" long and drilling a hole vertically through it. I will be using 4-wire Telephone extension cables to connect the controller (2 wires for the switch, 2 for an LED so that users can confirm that the controller is plugged in properly).

As you can see here, I kinda messed up the first one

The trick according to my teacher was to go slower.

The next one I did was essentially almost perfect

and the final one was a pain and I broke the drill press at school in the process.

But in the end, I succeeded

Lessons learned: drill slowly (maybe only a couple cm at a time, and allow 5-10 minutes to cool down, don't rush it), if your going to cool it with water, do it from the beginning or don't do it at all, otherwise it separates (as you can see halfway through the second one), never stop the bit inside the acrylic or thats the end of it unless you can pry/spin it off, lastly, it's important to have an emergency stop, that saved my butt more than 4 times on this project.

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