by mconnelley » Thu Dec 04, 2025 3:02 pm
Hello:
I'm working on the other side of the hull. I thought I'd show things a bit more step-by-step.
In the pictures above, I've done the cutting along the inside of the hull. The horizontal cuts were made with a cut off disk, and the vertical cuts were done with a round grinding burr. These cuts do not go all the way through. I then used my panel line engraving tool to deepen the vertical cuts to the outer surface. Final clean up was with an exacto blade. I widen the cut a bit so that the adjacent 'panels' don't rub against each other as I flex them inwards.

In the picture above, I've added the first two braces. These define how much the 'panels' tilt inwards, so they go on first. I don't just glue the 'panels' to the upper side of the hull (where the deck glues on). Since the upper hull is completely cut off, except at the ends, it's really floppy. We want the upper hull to say relaxed, and I don't want to flex it to meet the lower hull sides. Instead, we want the bring the lower hull to the (relaxed) upper hull. We still need the deck to fit the upper hull, so the upper hull needs to keep its shape. So, I tilt the side 'panels' to line up under the upper hull, then use the brace to 'freeze' that tilt in place.

Not sure how I messed this up. You can see how the bend of the hull side drifts upwards (from right to left) compared to the molded lines on the hull. That bend line should be parallel to those molded details (which I'll eventually remove). My solution is to cut in a second line on the inside, below the first, and bend the plastic about that lower cut.
Mike
Hello:
I'm working on the other side of the hull. I thought I'd show things a bit more step-by-step.
[attachment=3]p_7427.jpg[/attachment]
[attachment=2]p_7428.jpg[/attachment]
In the pictures above, I've done the cutting along the inside of the hull. The horizontal cuts were made with a cut off disk, and the vertical cuts were done with a round grinding burr. These cuts do not go all the way through. I then used my panel line engraving tool to deepen the vertical cuts to the outer surface. Final clean up was with an exacto blade. I widen the cut a bit so that the adjacent 'panels' don't rub against each other as I flex them inwards.
[attachment=1]p_7429.jpg[/attachment]
In the picture above, I've added the first two braces. These define how much the 'panels' tilt inwards, so they go on first. I don't just glue the 'panels' to the upper side of the hull (where the deck glues on). Since the upper hull is completely cut off, except at the ends, it's really floppy. We want the upper hull to say relaxed, and I don't want to flex it to meet the lower hull sides. Instead, we want the bring the lower hull to the (relaxed) upper hull. We still need the deck to fit the upper hull, so the upper hull needs to keep its shape. So, I tilt the side 'panels' to line up under the upper hull, then use the brace to 'freeze' that tilt in place.
[attachment=0]p_7430.jpg[/attachment]
Not sure how I messed this up. You can see how the bend of the hull side drifts upwards (from right to left) compared to the molded lines on the hull. That bend line should be parallel to those molded details (which I'll eventually remove). My solution is to cut in a second line on the inside, below the first, and bend the plastic about that lower cut.
Mike