It is a formula from trig, Sine of an angle equals the opposite side over the hypotenuse. So set your calculator in degree mode (vs radian) and then do rise/(sin 8) which gives the length. (where length and rise are both in the same units)
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Harvey Best Sent: Sunday, July 13, 2008 8:42 PM To: hardware@hardwaregroup.com Subject: Re: [H] OT Inclined planes Thanks! I had been searching for a formula when I should have run a search like you did. Wind > Date: Sun, 13 Jul 2008 14:14:47 -0400 > From: [EMAIL PROTECTED] > To: hardware@hardwaregroup.com > Subject: Re: [H] OT Inclined planes > > > On Sun, 13 Jul 2008 13:32:35 -0400 > Harvey Best <[EMAIL PROTECTED]> wrote: > > > How long does a ramp have to be to raise a plane 8 degrees > > from horizontal to a hight of one foot... > > 8 degree = 1.67551608 inches per foot > > http://www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-US% 3Aofficial&q=8+degree+%3D+%3F+inches+per+foot&btnG=Search > > > > HTH > Al _________________________________________________________________ Making the world a better place one message at a time. http://www.imtalkathon.com/?source=EML_WLH_Talkathon_BetterPlace
