Hello. I am building my second kayak using Nicks books. I built the guillemot from the last book and it came out great despite it being my first boat and not having taken any classes. This time around, I am building the Petrel from Building Strip Planked Boats. I am taking care to do things correctly and without haste. I am trying to figure out how to set the angle for the sheer strip. I understand the rolling bevel and all of that. I just cant figure out how to set the angle. I have scoured the videos and books for the sheer angle information and can only find one line that says "draw a line that marks an angle halfway between the deck side and the hull side" I thought that this meant to draw an angle line from the sheer line to the middle of the form. the mid point between the hull and the deck. this makes too steep of an angle in many places. watching the videos i see the angle not being anywhere steep as what i ended up with. You all have been a great help in the past. Thanks.