The Catfish - A fully working submarine
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A fully working submarine created for the Thingiverse #MakeItFloat challenge. I'd like to eventually get a fish finder on it and have it map lake beds.
*Reviews:*
"a fun, unique design" - *Derek Bower*
"this is an incredible build" - *omega-00*
3DPrint.com article: http://3dprint.com/81607/3d-printed-mini-submarine/
## Inspiration
My initial inspiration for this sub came from this boat: http://www.thingiverse.com/thing:272132
I had a fishing trip planned and always wanted a RC boat to play with while out on the lake. I didn’t have the necessary hardware on hand to get the propeller setup going or the time needed to order parts, so I modified the boat to fit this water pump: http://www.thingiverse.com/thing:537649
Here is a newer version of that pump, modified by me: http://www.thingiverse.com/thing:883212
Once out on the lake, I tied some fishing line to it for a tether and attached a hook with some bait to the bottom. It caught a catfish! He was a small little guy and was released back into the lake.
While it was a success (it caught a fish!), the boat did have some problems taking on water. Any amount of motion in the water was enough to splash, flood, and sink the thing. The centrifugal pump also needed to be primed to get it pumping, so a future version of the boat would need a second priming pump. To keep the boat from flooding I would need to put a top of some sort on it. A flat top offered little space for…
