Hi, Tom: I must have come in on the back-end of this email; what specifically are you referring to? Also, what is a roto rule?
If I want to find the angle of something, I just my Sears 10" electronic level and tells you the exact angle. Thanks, Tom On Wed, Jun 18, 2008 at 7:31 PM, Tom Fowle <[EMAIL PROTECTED]> wrote: > wonder why you couldn't have a device with two blades on a pivot with a > way > to fasten the roto rule across the blades to make up a triangle. > Then "simple" trigonometry could let you adjust the ruler to get a desired > angle. This would be where you may have calculated the angle you want but > not have a reference from which to get it. > > And, obviously you could measure an existing angle with it too if you > actually needed the measurement. > > Yeah, you can find relatively accessible protractors, but something like > this > might be pretty easy to fabricate if we get it > figgered out correctly, and might be very accurate? > > So Dan Rossi, help with the gtrig. > > Let's assume most work would need angles less than 90 degrees as you can > always subtract from 180 and measure the opposite angle. > > There must be something wrong with this? > > Thinking caps on plese. We could build a prototype > and document it here at Smith-Kettlewell if nobody beats us to it. > > tom > > > [Non-text portions of this message have been removed]
