If you look at any operations room at sea and it'll be in almost total darkness with only the dim light from the consoles shedding light around. On a submarine, the only one who would have a dedicated light would be the navigation officer and then only over the nav plot table.There is actually 3 lights in the control room its just one is behind the attack periscope you can only see it at an angle.
Acrylic is more brittle than polystyrene. Problems probably come from going in too fast and hard with the drill and not supporting the back of the part being drilled.Been thinking ahead and am a bit concerned about drilling out the air vents on the clear acrylic side found some reports of it cracking. Anyone had any experience with acrylic?
I would also recommend drilling a smaller hole at first and then enlarging it gradually and gentlyAcrylic is more brittle than polystyrene. Problems probably come from going in too fast and hard with the drill and not supporting the back of the part being drilled.
I would make sure the part is clearly Centre marked and properly supported at the back. Use a good sharp drill. Take it slowly without forcing the drill in, possibly drilling by hand rather than using a power drill. Finally, I would lubricate the drill site with something organic like candle grease.
If I was going that way I’d use a five sided cutting broach Neil. They open out a hole without changing its position. You can very easily drift the hole out of alignment otherwise. A tapered needle file rotated in the hole will also work, just remember to turn it counterclockwise so it doesn’t pull itself inwards and jam or split the workpiece.I would also recommend drilling a smaller hole at first and then enlarging it gradually and gently
Thanks Paulwow some great work going on mate.
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