Octocanum Tutorial - FRC 2342 Muller Version 1

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	A	B	C	D	E	F	G	H	I
1	Getting Started
2	Different ways to use this tutorial:
3		A) Use the Specs page to decide if you can use this module as-designed. Then either download the design and make it yourself (possible) or buy it off-the-shelf (not currently possible).
4		B) Use the Specs and Overview pages to decide which design elements need to be customized. Jump to those specific elements and customize the design.
5		C) Work through all the sheets, try all the customization exercises, and learn how to design this robot module from scratch.
6		D) Use this document as a template to design other modules. Share these modules to help other teams.
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8	These tutorials all follow the same format. The next hundred lines explain this format in detail - you can skip it if you're already comfortable with it.
9		Please send feedback to alecmuller@gmail.com - we'd love to make this more effective and easier to use!
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11	Tutorial formatting: What the different text colors mean, and how the calculation blocks work.
12	To use this tutorial, you'll need to follow text instructions and walk through calculation blocks.
13		These are text instructions: black text is useful information, red text details what you should do.
14		First, make a copy of this spreadsheet. The original is view-only, and you need a copy you can edit.
15		Look at the red numbers in the screenshot below, then up near the top of your browser window. Click on "File" and "Make a copy".
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33		Give it a name you can remember and bookmark it so you can find it.
34		Use CTRL+ or CTRL- to make the text bigger or smaller in your browser.
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36		Calculation blocks use the format below.
37		Read each line from left to right, then top to bottom. If the Source for a line has a formula (i.e. = A / C ), then double-click on the Value next to it (i.e. 123.1).
38		The formulas in the Value column are critical to understanding how we calculate the result.
39		The cells with black triangles in the corner have comments. Hover over the cell to see the comment.
40		Read through the example below, click on the Value cells, and hover over the cells with small black triangles. Notes will pop up to explain what each element does.
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42		Example:
43			Our design needs a counterweight and we want to use a solid aluminum cylinder. How big should we make it?
44			Discussion	ID	Description	Source	Value	Units	Comment
45			How much mass do we need?	A	Counterweight mass	user selected	12	lbs
46			We have stock 1" & 2" in diameter. If we can use it, we should. If not, we need to order something that works.	B	Counterweight dia.	dia. measured from stock we have	2.00	in	Change this diameter to various values. The best values are for material you already have. The next best are for material you can get quickly. The worst are for material you can't get at all. Remember to update the source!
47			How dense is Aluminum 6061?	C	Counterweight density	https://www.google.com/?gws_rd=ssl#q=density+of+aluminum+6061	0.0975	lbs/in^3	If aluminum isn't dense enough, we could use tungsten. How dense is it? Can you cut it with normal tools?
48			How much volume will it take?	D	Counterweight volume	= A / C	123.1	in^3	http://www.mathopenref.com/cylindervolume.html
49			The volume of a cyclinder is (Area x Height). What's the area if we use the material stock above?	E	Cross-section area	= π * B^2 / 4	3.1	in^2	Area of a circle is π * r^2, but we have the diameter (which is 2x the radius), so we're dividing by 2^2 = 4.
50			For this diameter, what length cylinder will have the right mass?	F	Counterweight length	= D / E	39.2	in
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52		Calculation blocks are usually followed by additional discussion. Read and follow the instructions below.
53		Can you fit a 39.2" long counterweight on the robot? What if that's too big? Suppose we realize we need something 8" or shorter.
54		A larger diameter will give the same volume in a shorter length, but 2" is the largest we have in stock.
55		Can we buy larger-diameter material to get a shorter counterweight?
56		Go to McMaster Carr and search for aluminum:
57		http://www.mcmaster.com/#aluminum/=xkd078
58		Click on Rods (the picture or the text):
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79			On the next page, find the "Rod Dia." selection criteria.
80			Scroll down and click on 6".
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