Composite tube for an archery bow limb or arrow shaft

A composite tube comprising:

• a first fiber sheet having a plurality of first fibers in a first axis and a plurality of second fibers in a second axis, said first axis of said first fiber sheet is parallel to a lengthwise axis of the composite tube, said plurality of second fibers of said first fiber sheet cross said plurality of said first fibers of said first fiber sheet at angle of about 90 degrees;
• a second fiber sheet having a plurality of first fibers in a first axis are parallel to said lengthwise axis of said composite tube;
• a third fiber sheet having a plurality of first fibers in a first axis and a plurality of second fibers in a second axis, said plurality of second fibers cross said plurality of said first fibers of said third fiber sheet at angle of about 90 degrees, said first axis of said third fiber sheet is oriented about 45 degrees relative to said lengthwise axis;
• and
• a fourth fiber sheet having a plurality of first fibers in a first axis and a plurality of second fibers in a second axis, said first axis of said fourth fiber sheet is parallel to said lengthwise axis, said plurality of second fibers of said fourth sheet cross said plurality of said first fibers of said fourth fiber sheet at an angle of about 90 degrees.

A composite tube comprising:

• a first fiber sheet having a plurality of first fibers in a first axis and a plurality of second fibers in a second axis, said first axis of said first fiber sheet forms a lengthwise axis of a composite tube, said plurality of second fibers of said first fiber sheet cross said plurality of said first fibers of said first fiber sheet;
• a second fiber sheet having a plurality of first fibers in a first axis are parallel to said lengthwise axis of said composite tube;
• a third fiber sheet having a plurality of first fibers in a first axis and a plurality of second fibers in a second axis, said plurality of second fibers cross said plurality of said first fibers of said third fiber sheet, said first axis of said third fiber sheet is oriented about 45 degrees relative to said lengthwise axis;
• and
• a fourth fiber sheet having a plurality of first fibers in a first axis and a plurality of second fibers in a second axis, said first axis of said fourth fiber sheet is aligned with a lengthwise axis of said composite tube, said plurality of second fibers cross said plurality of said first fibers of said fourth fiber sheet, wherein said first fiber sheet is wrapped around a mandrill, said second fiber sheet is wrapped around said first fiber sheet, said third fiber sheet is wrapped around said second fiber sheet, said second fiber sheet is wrapped around said third fiber sheet, the mandrill with said first, second, third and fourth fiber sheets is baked in an autoclave.