REFLECTOR: What would you do - not do?

[Richard Riley]

At 04:48 PM 2/28/2006, you wrote:
>I like the pre-made fiberglass tapes that Aircraft Spruce 
>sells.  They are not cut on
>a 45 deg bias, but ( I hope I am not opening up too big a can of 
>worms here) I have
>done the math and I believe the strength is the same no matter which 
>way the "grain"
>is positioned.

What kind of math have you done?

If they're at 45 degrees to the joint, all the fibers cross the joint.

If they're at 0 degrees and 90 degrees, half the fibers cross the joint.