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15th March 2007, 02:16 AM #1
New Member
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- Mar 2007
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- UK
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- 35
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- 9
New guy, need help calculating angles
Hey guys and gals, I've been reading for a month or two now and i've only just signed up.
I'm 18 and studying my 2nd year of joinery at college.
I'm currently building a 'lining' to go inside a fire place as the is a gap at the back because it was originally used on a large iron fire, the surround sat over the edges of the fire.
A smaller fire is now being used so there is a gap, i'm making a lining to slot into place and cover it up.
The lining is sloping in at 45 degree's.
I need help calculating this angle:
I originally thought it would just be 45, but with the actually lining sloping in it turns out its not.
So does anyone know of a formula for it? Here's some other pictures to help.
Thanks alot.
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15th March 2007 02:16 AM # ADSGoogle Adsense Advertisement
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15th March 2007, 01:35 PM #2
Dehydrated Hydrographer
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- Jun 1999
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- Westleigh, Sydney
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- 77
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- 9,550
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15th March 2007, 04:12 PM #3
Intermediate Member
- Join Date
- Feb 2007
- Location
- Katy, Texas
- Posts
- 25
Here is a simple program I wrote that does the exact same thing, but doesn't require Excel. Just unzip it to your desktop and run it. No installation necessary. Its only a 5k download.
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15th March 2007, 04:27 PM #4
SENIOR MEMBER
- Join Date
- Feb 2003
- Location
- Garvoc VIC AUSTRALIA
- Posts
- 11,464
if youre not into maths just cut some cardboard up till you get the right shape
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15th March 2007, 09:54 PM #5
Retired Marine Engineer
- Join Date
- May 2005
- Location
- Newcastle
- Age
- 72
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- 3,363
or get to a scms , (sliding compound mitre saw ) and sat both the table and the saw to 45 deg
RgdsAshore
The trouble with life is there's no background music.
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15th March 2007, 10:16 PM #6
Retired Chippy
- Join Date
- Jun 2004
- Location
- Mareeba Far Nth Qld
- Age
- 83
- Posts
- 3,070
Set a piece of 75 x 19 timber in a mitre box at 45 degrees and cut a 45 degree mitre cut. The angles required will then be apparent.
JimSometimes in the daily challenges that life gives us, we miss what is really important...
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