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Unread 01-06-2009, 10:51 AM   #1
EDvorak
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math help

I know I feel so stupid for asking this but I haven't done math since highschool. I've spent the last hour trying to figure this out. Help would be appreciated. I am trying to install 10 switches on a 15.5" dash panel. the switches are round so how far apart do i drill the holes if i want it to look pretty and centered?

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Unread 01-06-2009, 11:00 AM   #2
ritjobbie
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Unread 01-06-2009, 11:01 AM   #3
Lady_Luck
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how big are the switches? be specific...
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Unread 01-06-2009, 11:02 AM   #4
EDvorak
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Yeah i might be wrong but help me understand wouldnt you divide by 12 so the is room on either sides of the last switches?
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Unread 01-06-2009, 11:03 AM   #5
EDvorak
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22 centimeters
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Unread 01-06-2009, 11:14 AM   #6
Lady_Luck
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ok- if you give 1.25" of space on each end and then space them 1.5" in between, you should be lookin' gravy
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Unread 01-06-2009, 11:19 AM   #7
EDvorak
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thanks lady luck i didn't think of doing that I really appreciate it
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Unread 01-06-2009, 11:22 AM   #8
psychoticj
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take the total space and subtract the space you want on each side then subtract the size of switches this will give you the space left to be divide between the switches illustration below



:EDIT: I see someone beat me to the line but i figured i'd fix the illustration. If you have any questions let me know.

Last edited by psychoticj; 01-06-2009 at 11:33 AM..
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Unread 01-06-2009, 11:29 AM   #9
EDvorak
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except that adds up to 16" i have 15.5" but if i do 1" on either side it will work!
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Unread 01-06-2009, 11:33 AM   #10
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Unread 01-06-2009, 11:39 AM   #11
Lady_Luck
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this way you have 1.25" of space next to each of the last switches...does that make sense? let's see if i can"draw" this:

l (1.25") * (1.5") * (1.5") * (etc) * (1.25") l

end of board^ * = drill hole ^other end of board
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Unread 01-06-2009, 11:41 AM   #12
Lady_Luck
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nice- hope it works out for ya
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Unread 01-06-2009, 11:43 AM   #13
EDvorak
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thanks for the over whelming response everyone!
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Unread 01-06-2009, 11:56 PM   #14
mrlacy2
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15.5''/12= 1.2916'' that's in between an 1-9/32'' and 1-19/64''
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Unread 01-07-2009, 08:54 AM   #15
Rookie130
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Quote:
Originally Posted by mrlacy2 View Post
15.5''/12= 1.2916'' that's in between an 1-9/32'' and 1-19/64''
just remember...measure with micrometer, mark with chalk, cut with axe...
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