Would like some math-oriented woodworker to tell me the general trigonometric formulas for calculating the two angles for cutting a compound miter on the table saw. ( These cuts are probably more common in roof rafter construction than in furniture making.) One of you has supplied me with the calculation for crown moldings but it is not clear which angle is which when it comes to plugging the data into the formula.
Edited 2/14/2008 12:07 am ET by Dave29
Replies
Doing a Google search on compound miter formula will give you lots of info. For example: http://www.woodcentral.com/bparticles/miter_formula.shtml
-Steve
The formula and sketch of the compound miter formula is EXACTLY
what I was looking for. Thanks, Steve.
it sounds like you got your answer, but perhaps for anyone interested in very simple compound miter solutions here are a couple: steve brown did an article about using a couple of cuts on a sample block of wood to get the settings without even measuring. http://www.taunton.com/finewoodworking/SkillsAndTechniques/SkillsAndTechniquesPDF.aspx?id=2807
i use a very inexpensive cardboard wheel that i think i got from veritas or lee valley that gives the settings for any angle of compound miter. unfortunately i can't find that one listed online now.
good luck,
greg
the wheel chart is called angle ease, but i still don't know where i bought it.
Edited 2/26/2008 4:30 pm ET by gmoney
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