Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
Is there any advantage to run a 12V/24V trolling motor on 12V or 24V. All things equal will one voltage a run longer time or have more torque? Thanks,Jim
- Thread starter Tx Jim
- Start date
farmer boy
Well-known Member
Half the amps on the 24v circuit for the same motor so a smaller wire
1950whiteC
Member
Power is power. However it takes 1/2 the current @ 24v to produce the same work as it does at 12v, but it takes 2 batteries all the time.
P=IxE Power is equal Current (I) times the voltage (E)
...with that said a 12 volt motor of the same thrust will run much hotter than a 24v motor, thereby shorting the life of the motor. Ohms law.
P=IxE Power is equal Current (I) times the voltage (E)
...with that said a 12 volt motor of the same thrust will run much hotter than a 24v motor, thereby shorting the life of the motor. Ohms law.
If it were me and I had the option to run either way, Id run it at 24 volts which reduces the current and there's less I Squared R Heat/Energy loss wasted in the current flow through the cables. Power used is still power used either way, but Id rather use it in the motor then waste it as heat in the cables.
John T
John T
1950whiteC
Member
Tell me more about your 24 volt battery..............I want to know who makes it, it's specs ect. How much does it cost?
Here are two links to 24 volt batteries currently avilable. One is for as electric mower, the other one says what it's for but I don't have a clue what it is....
Oner from Home Depot
Another one for something else
Oner from Home Depot
Another one for something else
buickanddeere
Well-known Member
Seen 24V power packs inside UPS units. It's just two 12V batteries glued together and jumpered.
Kentb of SWMO
Well-known Member
I have seen a 24 volt battery on MEP-17 military generator. The ones I have seen are about double the size of a LG battery. They are Type 4HN. You do not want to buy one. The best price I have found is about $150.00.
Kent
Kent
john in la
Well-known Member
The torque of a trolling motor is measured with fully charged batteries. As the batteries drain the torque will go down on either model motor. The 24 or even 36v models come in bigger torque models than the 12v does so it is hard to compare apples to apples.
A 24v motor with 2 batteries will give you a little better run time than a 12v motor with one battery simply because it is more efficient. A 24v motor should last longer than a same size 12v motor but then again it is hard to compare apples to apples because most 24v motors have more torque.
If you are looking for maximum run time; and your boat is small enough you can use a 12v motor(usually 55lb max) you are better off running a 12v motor with 2 batteries run in parallel.
Do not expect to get full amp hour rating out of any battery. This is mesured at 5amp load so a 100 amp battery will give you 20 hrs of work. But trolling motors pull 25 amps or more. The reserve capacity rating of a battery is a better indicator when figuring estimated run time on these size motors.
A 24v motor with 2 batteries will give you a little better run time than a 12v motor with one battery simply because it is more efficient. A 24v motor should last longer than a same size 12v motor but then again it is hard to compare apples to apples because most 24v motors have more torque.
If you are looking for maximum run time; and your boat is small enough you can use a 12v motor(usually 55lb max) you are better off running a 12v motor with 2 batteries run in parallel.
Do not expect to get full amp hour rating out of any battery. This is mesured at 5amp load so a 100 amp battery will give you 20 hrs of work. But trolling motors pull 25 amps or more. The reserve capacity rating of a battery is a better indicator when figuring estimated run time on these size motors.
OP
OP
Tx Jim
Well-known Member
- Location
- Coyote Flats, Texas
Thanks for the replies. I'm not familiar with trolling motors. The trolling motor belongs to my nephew and all I know is it has a switch to change from 12V to 24V and the boat has 2-12V batteries. He asked me which voltage was better for operation. Thank you,Jim
Rick in Michigan
Member
On my bass boat I've found that you run on 24 volts when moving from one place to another. 12 volts is enough less torque that it is significantly quieter and doesn't spook the fish while trolling around the weed beds.
Fred Martin
Member
I will give you my idea of how I would run my 12/24 volt motor. I keep it on 12 volts...reason is if standing up in front of boat and see a log or rock that you need to avoid and you have one foot on the trolling motor and turn the foot control to move sideways, the 24 has so much torque that if you're like me (and Bill Dance)it can put you right in the drink. The only time I used 24 was if the boat was gonna get in the rough,up against rocks or such. Or....if the fish are hitting every cast and you got your bait hung on that danged old tree limb. ohfred
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