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Old 03-25-2011, 08:10 PM   #1
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stairway chair rail and picture boxes


is there an easy way to cut the angles for the picture boxes going up the stairway.

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Old 03-25-2011, 08:16 PM   #2
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is there an easy way to cut the angles for the picture boxes going up the stairway.
Are you talking about molding framed shapes, like a rhombus?
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Old 03-26-2011, 06:32 AM   #3
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With an angle finder, find the angle of the stairs, with that you chould be able to figure cuts for the trim. Otherwise, trial/error method comes to mind.
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Old 03-26-2011, 07:21 AM   #4
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Take some time and CAREFULLY outline the panels you have in mind.
Use whatever angle measuring device you're comfortable with and divide the angle in half.



Then transfer that angle to the miter saw.



There will be some trial and error but the outline on the walls will help a lot.
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Old 03-26-2011, 04:20 PM   #5
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You'll need a "T" jig for the acute cuts.
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Old 03-27-2011, 10:35 AM   #6
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You'll need a "T" jig for the acute cuts.
Depending on the angle of the stair you may need a T jig for the acute angles. Most picture boxes Ive done all worked out around 60 deg miter cuts. My saw only goes to 60 deg miter one way so I flip the molding upside down when need be to eliminate the T jig. The only saw Ive ever seen that would cut 60 degs right and left is the 12 ridgid.

Any angle finder will work. I invented the one in the link below because I never really found others to muli-task and be durable at the same time.

http://www.amazon.com/T110-MITER-MAS...1239994&sr=8-2
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Old 03-28-2011, 12:30 PM   #7
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What about making the frames Shaker Style???

Then there are no angles.
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Old 03-28-2011, 01:16 PM   #8
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what would grandpa do? He'd probably have a miter box and a long crosscut hand saw. He'd figure the angles out as you all have suggested and then safely cut the acute angles with the tools of the day, which still work today. I have built miter boxes in the past to cut large crown mouldings that no present day tools would cut. It should work here too. You'll only be cutting two different angles. And if my assumption is correct the moulding you'll be cutting is small enough that you won't wear yourself out making the cuts.
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Old 03-28-2011, 04:13 PM   #9
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what would grandpa do? He'd probably have a miter box and a long crosscut hand saw. He'd figure the angles out as you all have suggested and then safely cut the acute angles with the tools of the day, which still work today. I have built miter boxes in the past to cut large crown mouldings that no present day tools would cut. It should work here too. You'll only be cutting two different angles. And if my assumption is correct the moulding you'll be cutting is small enough that you won't wear yourself out making the cuts.

Marttinen my grandpa would of asked me to do it. Your right about using the old standard methods. Things have really changed over the yrs with all the new technology that comes out. There is always a new gadget hitting the market.

Most individuals and young carpenters dont get to learn all the old techniques we learned as apprentices. Im amazed at how many professionals dont have a clue how to fully use a Swanson Speed Sq.

I attached a few pics with the MMP tool below.
Attached Thumbnails
stairway chair rail and picture boxes-008.jpg   stairway chair rail and picture boxes-007.jpg   stairway chair rail and picture boxes-005.jpg   stairway chair rail and picture boxes-006.jpg  
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Old 03-28-2011, 10:11 PM   #10
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Gizmoman, that's a cool gauge. I wish I'd thought of it. A bevel gauge and speed square and scrap piece of wood and pencil and short term memory usually does the trick for me though. You should figure out a way to put backside angles and half angles in the conversion windows. Then everyone could be a carpenter. I'll buy one.


Just realized you do have the half angles in there, right on.

Last edited by marttinen; 03-28-2011 at 10:43 PM. Reason: hind sight
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Old 03-28-2011, 10:25 PM   #11
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Im amazed at how many professionals dont have a clue how to fully use a Swanson Speed Sq.
I'm not a professional, but I'd like to know how to better use my speed square if you've got some tips
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Old 03-28-2011, 10:45 PM   #12
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Tailor, go buy a brand new swanson speed square. It will include a small booklet which describes how to use it.
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Old 03-28-2011, 10:49 PM   #13
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In the mean time, what do you need it for?
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Old 03-29-2011, 04:55 PM   #14
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I drop a digital angle finder on the rake of the stairs, giving me the incline angle.(from level)

Subtract that from 90, giving you the difference.(from plumb)

A stair with an incline angle of 38 degrees, has an opposing angle of 52 degrees.

This means the saw miter on the obtuse angle would be half of 52, or 26. The acute angle would be 26 subtracted from 90, or 64.

So the saw cuts are 64 degrees and 26 degrees. 26 is a no brainer. 64 can be achieved by cutting a block of wood at 45 degrees and clamping it to the saw table, then setting the saw to 19 degrees toward the block of wood. The combination of angles gives you 64 degrees. Use the block of wood as a fence and cut, using caution to keep your body parts away from the blades path.

Here's an example of a finished project.
Attached Thumbnails
stairway chair rail and picture boxes-001.jpg   stairway chair rail and picture boxes-005.jpg   stairway chair rail and picture boxes-007.jpg   stairway chair rail and picture boxes-004.jpg   stairway chair rail and picture boxes-008.jpg  

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Old 03-29-2011, 05:03 PM   #15
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@loneframer nice work. I cant say Ive ever seen a window with the sill that low in a stairwell.

Does it meet code ?????

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