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This Thing Blows!

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Picked up a second wheel house last year cheap and it has a empire vented radiant heater. I am less than impressed with it, but am trying a few things before I throw in the towel and move to a fan forced. Biggest issue is the guy on the top bunk bakes, while the guy on the bottom freezes. It is a 6x 12 ridgeline that has  been spray foamed The guy before me mounted it about 2 ft of the floor so that he could fit his wilcraft in, moving it down to the original position is on the to do list yet this fall. The other thing that I have been looking at is fans. I ordered some high flow computer fans but sent them back because I was less than impressed with the air movement. Today I got a 12 v squirrel cage type of fan off off amazon... definitely impressed. It isn’t as quite as the computer fan but moves way more air! And at just over an amp draw, I think it is going to to be a winner. I am debating on whether to leave it hook up direct or wire it into the Thermo switch line that I have wired into the heater. For guys looking for a fan that doesn’t break the bank, sound like a freight train, or pull more amps than a toaster oven... I suggest taking a look at this



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  • Your Responses - Share & Have Fun :)

    • It’s still a great season. Hopefully Fleck can build a sustainable program. 
    • It most certainly is amp-hours related, although the numbers vary somewhat by discharge rate.    The RC number on a battery is basically the amp hours at a specified discharge rate.   That curve above is for a particular battery.    If you multiply the times by the discharge rate, looks like it is for 10 or 11 amp hour battery like the one in a Vexilar.   Multiply those currents by 8 or 10 for a trolling motor battery, so like 4 hours at 20 amps instead of 2.4 amps.      Basically using one set of batteries for two different voltages strikes me as a bad idea.
    • Lead acid battery discharge is voltage related not amp/current. Amp hours are time based on about a 15% drop in voltage which is the same voltage where a DC motor stops turning. 12v battery flat volts is about 10.5v & 36v battery at 30v & motors stop turning. If you don't turn the motor switch off, discharge will continue down to 0 volts but battery will recover when re-charged. Not good for the battery to drop volts to 0v as it reduces the life of the battery. Lead acid discharge rate chart showing volt loss.
    • Just one of those games where we didn't get the bounces to go our way like earlier in the season. So.........win the next two games, get absolutely crushed by Ohio State and then head to the Rose Bowl. I can live with that.  
    • All you guys still don't get it.   I didn't explain it well enough.    There are three batteries, each can hold 80 Amp hours.      When the 24 volt motor is in use, two of the batteries use some of their capacity, equal for each battery.   So let's say you use 10 amps for two hours.   Now you have two batteries with 60 and one with 80.   Run all three (36 volt motor) for 6 hours at 10 and two batteries will be totally discharged and one will still have some charge.   Any further current draw will potentially damage the two batteries that are totally discharged.      Of course the 36 volt motor will probably quit working as soon as two of the batteries are flat, but the concern is there.
    • pulled the sled out, turned the key after putting in fresh gas, and it fired up spot on. seems to want to go, as it jumped at a little throttle, bring on the snow, its ready.
    • Del is correct 3ea 12v batteries in series are required to get 36v. 2 in series to get 24v and each battery 12v. You can connect a + and - wire to each individual battery, while wired in series, and run 3 separate 12v isolated devices. A + and - to either of 2 in series gives you 24v.   You NEED a "3 bank marine charger" which has 3+ and 3- charging wires which charges the 3 batteries independent of each battery. When one battery reaches full charge, that bank shuts off other 2 banks continue to charge until respective batteries are fully charged. Batteries will not overcharge.    You can run both 36v and 24v motors on a 3 in series batteries but DON'T run both at the same time. Current draw on the 2 24v batteries will greatly reduce battery life and under serve current on the 36v motor.   Best solution is separate battery banks and chargers for each motor and a separate 12v for starting motor and running 12v electronics.    Suggestion, carry a set of jumper cables long enough to reach from the battery bank to your primary motor battery. If your starter battery dies 5 miles off shore, just jumper to any one of the trolling motor batteries to start your engine.
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