On Friday, October 10, 2014 3:06:36 PM UTC-5, Lostgallifreyan wrote:
I

imagined that if ether form were pointed not-so-accurately at the right spot,

the helical form might 'blur' the response, weakening it, allowing it to be

more selective of something it WAS accurately pointed at.

Lack of balance is what will cause problems. It can skew the pattern
a bit, and the nulls won't be as deep. But how you wind the coil
won't effect balance too much as long as everything is symmetrical
and no feedline issues.