What is your mechanical system to get a good smooth, "non-jerking" sweep...??
Teflon on Teflon...?? Bearings...?? Gears...??
Rickie
Unfortunally none of them . One year ago, before publishing this, I suggested Humminbird to manufacture proper mechanism on that idea, but they said that they have a lot of their own ideas for 5 years ahead. I wrote the same to Lowrance then – they did not reply at all