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Subject: Re: [Homebrew_PCBs] How to mark a gear to cut teeth ....any size offline

From: Rob <roomberg@...>
Date: 2017-01-07

YES...better yet... IF YOU HAVE THE TECHNOLOGY
This geargenetator.com script only runs on-line
can NOT be stowed locally on your PC
AND
the reason I went to the trouble of documenting :
How to mark a gear to cut teeth ....any size... any number of teeth
http://www.learnmorsecode.com/gears/index.html

was because some of us have really bad internet connections that will not be getting any better any time
soon so PDFs and bigger better faster complicated javascripts running server side calculations  and YOUTUBE videos are off limits to these guys.....
soooo
drop back and punt.... go old school an show how to to it with a $10 calculator and a pencil.

I AM NOT a mathematician.
But a mathematician made a YOUTUBE video showing
SIN(DEG/2)2   read as: SIN of (degrees divided by 2) times 2 
will yield a number that you multiply the circle radius and have the distance to mark on whatever you are cutting... metal..plastic....  and I thought it would be best to know this method and share it.


On 01/07/2017 11:48 AM, 'K5ESS' k5ess.nothdurft@... [Homebrew_PCBs] wrote:
 

Better yet:

 

http://geargenerator.com/#200,200,100,6,1,0,0,4,1,8,2,4,27,-90,0,0,16,4,4,27,-60,1,1,12,1,12,20,-60,2,0,60,5,12,20,0,0,0,2,-563

 

Mike N.

 

From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
Sent: Saturday, January 07, 2017 12:33 AM
To: Homebrew PCBs
Subject: [Homebrew_PCBs] How to mark a gear to cut teeth ....any size

 

 

How to mark a gear to cut teeth ....any size... any number of teeth
http://www.learnmorsecode.com/gears/index.html