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I believe that it has been discussed before to the conclusion that the longer V4k was less strong due to the greater wind loads and the shorter version responded to that. We felt the less expensive route was to use the same tubing for all the production models as opposed to having additional tubing for one antenna. Also, there are other changes they made to the antenna, such as a cone/basket/cage of different dimensions than before. With all the changes the buy it and fly it majority could have a stronger antenna with near parity performance to the old production model without adding significant cost to the price of the antenna. It was/is a win-win for everyone.


Those who fall into the minority of tinkerers would continue to squeeze additional performance out of the antenna at only the cost of personal time and expense, which they are inclined to do with any antenna.


It is likely that virtually all production antennas can be tweaked to some degree for maximum performance gains.

. . . what I think, anyway.