For those who've read about and/or seen the photos of the dual-rudder mod of my ProBoat Shockwave, you know that I did it to help it turn equally well in both directions. The reason behind the mod was because I intended to use the Shockwave as a "part-time rescue boat". The conversion also involved swapping the stock ESC for a SeaKing, and swapping out the 2000kv motor for a 1350kv Leopard.
However, it's still too fast, doesn't have quite enough torque...and, due to it going much shower, the water cooling is extremely inefficient. I've decided to take the conversion another step, slowing the boat even further, giving it more torque, and turning it into a "full-time rescue boat". My initial idea in this 2nd-stage conversion was to replace the brushless electronics with brushed (Traxxas...please, don't anyone think of 'killing' me...lol), and completely getting rid of the water cooling lines. Unfortunately, this plan want going as well as I had hoped...so, I've got another idea.
I'm going to keep the SeaKing ESC, as well as the dual water cooling lines (one pickup on each rudder, with each 'exit' on the opposite side)...and, as for the motor, I'm dropping it even further, to a 1050kv Leopard. To "fix" the water cooling line problem, I'll be installing a pair of 370-based water pumps...which leads me to my questions, starting with "push, or pull"? Is it better to 'push' the water through the system (as I'm describe in Option 1) to or to pull it through (described in Option 2)?
Option 1 - Push: Water in through rudder pickup, then through water pump, then through motor or ESC, and finally exciting the side.
Option 2 - Pull: Water in through rudder pickup, then through motor or ESC, then through water pump, and finally exciting the side.
So...which is better - push, or pull - or, does it even make a difference?
The second question has to do with location placement of the pumps. It's it better to have them closer to the rear of the boat, thus allowing less tubing to be used...but, at the same time, adding additional weight to the rear, throwing off the front/rear balance? Or, is it better to move them forget forward (closer to 'center'), keeping the front/rear balance somewhat equal...but, at the same time, increasing the length of the water cooling tubing?
~ More peace, love, and kindness would make the world a much better place
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