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You guys who run SAW boars do you bother to run cooling jackets on the motor for your short runs or just leave it be with nothing. Mine with water cooling gets up to 140* with two hard passes but not during the run....after on the way back to shore. The runs are around 90-100 degrees.
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PT-45, 109mph, finally gave up after last bad crash
H&M 1/8 Miss Bud 73 mph
Chris Craft 16 mph -
SAW boats generate a lot of heat quickly. Two passes heated up my old dynamic cooled ESCs to over 160 degrees. Most racers use some kind of cooling, a recent trend is to "super-cool" the motor and ESC by circulating ice water through the system so that all parts begin their runs at around 35-40 degrees. With ice water remaining in the system the heat buildup is slower than with dynamic water cooling. Of course this only works for 2 to 3 passes max but it has proven effective.
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I only run saw riggers and all my boats are watercooled..after 2 min tests temps are around 45-49C .....problem here without water depending on the set up is the esc.GillGO FAST AND TURN RIGHT !
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You could probably get away with no water cooling on the motor....But the esc is different story.
I've had my cooling system get plugged and the motor did get hot but the esc thermaled. Now I wasn't over propped on the motor either. If you over prop it and don't run cooling...we'll it'll heat up pretty quickly. I've had motors in my hand with no load on them except locked up rusted bearings hit 130-140 degrees in about 45 seconds. So the whole point is as long as your not loading it extremely hard it'll be fine. It will be even better if you over motor your setup (put a little more powerful motor than what you really need)32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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