by "Chris Grubb" <threefates@[EMAIL PROTECTED]
>
Mar 16, 2008 at 07:06 PM
Thank you very much.
"Greg Neill" <gneillREM@[EMAIL PROTECTED]
> wrote in message
news:47dd704f$0$7036$9a6e19ea@[EMAIL PROTECTED]
"Chris Grubb" <threefates@[EMAIL PROTECTED]
> wrote in message
news:BfadnRFZvpwu9kDanZ2dnUVZ_hCdnZ2d@[EMAIL PROTECTED]
> I'm sorry...51 bolts will be spaced equally around a radius of 41'- 9-
> 9/16". A chord length is what I'm looking for here. I need to provide
> a template for holding these bolts in place for cast-in-place
> concrete. I appreciate all of the help I've found here. Occasionally,
> math problems arise in the field.
>
> Thank you again
R = 41 ft + 9-9/16 in 'Radius
= 41.797 ft
= 12.740 meters
n = 51 'Bolts
q = 2*pi/n = 0.1232 Radians 'Angle between bolts
= 7.059 Degrees
C = 2*sin(q/2)*R 'Chord lengths
= 5.146 ft
= 5 ft 1-3/4 inch
= 1.569 meters
