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longevity of 30 lb thrust minn kota pushing 12 foot tinny?
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cyberflexx
Well-known member
If you could get the amperage draw of the motor on setting 3 and the specs for the battery in watt hours, we could probably figure it out for ya..
** I found this on another forum**
The easiest way to calculate run time for a trolling motor and battery is to divide the battery reserve capacity by the TM's current draw. With a group 29 battery (something like 210 min reserve capacity) I can troll constantly at speed 2-3 for around 4 hours in my 14' jon boat. Speed 2 in the beginning and as the battery wears down and the motor slows a bit I bump up to speed 3. This motor draws around 40+ amps, so the calculation is pretty close. If I were to push the battery I could probable troll for a full 5 hours, but I switch over when I notice the battery getting low, you can hear it in the motor.
** I found this on another forum**
The easiest way to calculate run time for a trolling motor and battery is to divide the battery reserve capacity by the TM's current draw. With a group 29 battery (something like 210 min reserve capacity) I can troll constantly at speed 2-3 for around 4 hours in my 14' jon boat. Speed 2 in the beginning and as the battery wears down and the motor slows a bit I bump up to speed 3. This motor draws around 40+ amps, so the calculation is pretty close. If I were to push the battery I could probable troll for a full 5 hours, but I switch over when I notice the battery getting low, you can hear it in the motor.
bcbouy
Well-known member
you need to factor in weight and water conditions as well as wind and battery type. on a calm day with a deep cycle and say 300 lbs. of weight you should get 3 hrs.with a little juice for emergency on #3. definately less if you run constantly
Hanr3
Well-known member
I have a 14' tinny and a 30 ft pound MinnKota. Powered by a group 24 deep cycle battery, smaller of the group 27 and group 24. Dont remember at the monet which is the smaller of the two, but thats the one I have.
Longevity will depend on numerous factors. Generally yes, power setting 2 or 3 will last longer than 4 or 5. I pretty much use level 1 all the time when drifting around. Battery lasts all day.
I have been in situations where it took me 45 minutes on trolling motor power only (no gas motor lake) to get ot my spot, fish all day and almost not make it back to the dock. Hind sight says I shouldnt have used the trolling motor through the weeds, weeds so thick and water so shallow I barely had the motor in teh water and had to clean it every minute or two. Should ahve dug out the paddle and pushed my way though the weeds. The 10 mph wind on the way back didnt help either. I made it, barely. Had to use my anchor rope to load the boat, the 10 mph wind and ramp angle was too much for the remianing juice int he battery. Wehn I hooked up the charger, I had 45percent charge left. Really deep drain that day. But I learned a few things, Bass and Crappie do share the same holes some times. #-o
Edited to add this.
Boat, gear, boat mods, and the two of us weighs 1000 pounds. That little 30 pound trolling motor did its job well considering the circumstances.
Longevity will depend on numerous factors. Generally yes, power setting 2 or 3 will last longer than 4 or 5. I pretty much use level 1 all the time when drifting around. Battery lasts all day.
I have been in situations where it took me 45 minutes on trolling motor power only (no gas motor lake) to get ot my spot, fish all day and almost not make it back to the dock. Hind sight says I shouldnt have used the trolling motor through the weeds, weeds so thick and water so shallow I barely had the motor in teh water and had to clean it every minute or two. Should ahve dug out the paddle and pushed my way though the weeds. The 10 mph wind on the way back didnt help either. I made it, barely. Had to use my anchor rope to load the boat, the 10 mph wind and ramp angle was too much for the remianing juice int he battery. Wehn I hooked up the charger, I had 45percent charge left. Really deep drain that day. But I learned a few things, Bass and Crappie do share the same holes some times. #-o
Edited to add this.
Boat, gear, boat mods, and the two of us weighs 1000 pounds. That little 30 pound trolling motor did its job well considering the circumstances.
nlester
Well-known member
Basically run your motor at any speed that you want. It does not make much difference unless you buy a digital trolling motor. Most trolling motors are regulated by speed coils. When you run at a slower speed, part of the power is routed to a speed coil that burns up part of the power as heat. At full speed, all you power goes to the motor and none to the speed coil. So your motor uses the same amount of power at the slowest speed that it does at the fastest speed. Reducing the speed does not reduce the amount of power being pulled from the battery. Running at a higher speed may pull slightly more power from the battery because of a greater load on the prop but it should not be significant.
You can verify this by doing a web search on speed coil vs digital trolling motors, especially on the Minn Kota web site. A digital troling motor varies the timing of the power being sent to the motor. A speed coil motor splits off part of the power and burns it up as heat.
Like CyberFlexx states above. Unless you get a digital motor, the battery determines how long you can run your motor and not your motor speed.
You can verify this by doing a web search on speed coil vs digital trolling motors, especially on the Minn Kota web site. A digital troling motor varies the timing of the power being sent to the motor. A speed coil motor splits off part of the power and burns it up as heat.
Like CyberFlexx states above. Unless you get a digital motor, the battery determines how long you can run your motor and not your motor speed.
