I am sharing my experience because I have been forced to run some experiments on a bonzer I recently acquired. It's part a cautionary tale to future bonzer users, part sharing a story that hopefully you can relate to. I have a custom CI Biscuit Bonzer that I have been surfing for the past 3 months or so and I have had mixed experiences with it. I am lucky to have the NJ wave pool 1/2 an hour away which means I have had lots of repetitions and a good testing ground for what has been a lesson in not giving up.
I personally have romanticized a bit the idea of the bonzer and how cool would it be to ride one, but so far it has been tough. I really, really want to love it, but it has been hard, until I made a breakthrough this morning.
I have tried everything in the fin department: 6.5", 6", 5.5", moving it forward, backwards, and the board just does not go. It felt like someone was grabbing my leash when dropping the wave. I have also tried to move my feet a bit more backwards, forwards (read somewhere on swaylocks that bonzers require to be surfed with your back foot really on top of the back fin). Maybe because of the lack of power of the wave (I have only tried the board in the pool, I would not risk skunking a good day with it) maybe because this board is somehow a lemon, but most likely user error, I have managed to find a sweet spot with a 3.625" Lost trailer single fin. (
https://futuresfins.com/products/lost-3-625?_pos=1&_sid=4ec328722&_ss=r)
The board now flies off the bottom turn, does not feel stuck on the drop, and paddles into the wave like my other similarly sized groveler boards. I think I'll try the 5.5" now in the local break.
I don't know what to think, but I am finally having fun with it and I get the feeling of turbo projection off the bottom.