How Long Does My Trolling Motor Shaft Need To Be?

The minimum shaft length is recommended if you measure from the mounting surface of the transom or bow where the motor will be mounted. If you’re going to be fishing in rough water, you should add an extra 5 to the measurement.

Can trolling motor shaft be too long?

Too long a motor shaft is not good. If the motor shaft is too long, you can’t put the motor in the correct position. The environment beneath the water as well as the propeller can be damaged by long shafts.

How far should a trolling motor be in the water?

6 inches of water above the blades is what the trolly motor’s ideal propeller should keep. The centerline of the motor and prop shaft should be at least 12 to 18 inches below the waterline.

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What size trolling motor do I need for a 16 foot boat?

If your boat is less than 16 feet, a high-thrust 12-volt model will suffice. It’s the only way to go for hassle-free boating if your boat is any longer than it used to be.

What size trolling motor do I need for a 20 foot boat?

It’s best to have a 36v 56′′ shaft with 100 lbs of thrust for larger bass boats. The larger the boat, the more space it has for deep cycle batteries and the more power it has to control it.

How does Minn Kota measure shaft length?

Take a look at the mounting surface of the transom or bow. Fishing in rough water requires a waterline measurement of at least five feet. The measurement for steering a hand control motor should be added to the waterline. The appropriate shaft length can be found by using the measurement and the tables.


 

How far below the hull should the prop be?

If you have a short shaft motor, the topmost part of the transom and the lowermost part of the boat should be about 15 to 16 inches. I think the length is 20 to 21 inches.

Can I run my trolling motor out of the water?

It would take a long time to drain the battery and get the motor out of the water, if you ran it out for a short time. It’s not worth the risk to just drain the battery.

How shallow can you run a trolling motor?

There are two things. If you have a poling platform on your boat, the 18- to 21-foot pole is fine. If you want to catch fish deeper in the water, go for a 24 footer.

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How long will a 55 lb thrust trolling motor run?

A marine battery can last up to five hours. The age and condition of the battery is one of the factors that can affect this.

How fast will a 40 lb thrust trolling motor go?

When you have a bigger boat, you will need the larger-sized motor. If you don’t, your boat won’t be able to hit anything.

How do I choose the right size trolling motor?

The thrust needs to be at least 2 lbs. for every 100 lbs. of fully loaded boat weight. If the wind or current is a big factor in where you fish, you’ll want to increase your thrust.

What size battery do I need for a 55 lb thrust trolling motor?

If you were to use a 55lb thrust motor for two hours at full speed, you would need a battery with a 100 to 120Ah rating.

How deep should the Minn Kota be?

The top of the motor should be submerged at least 12 inches under the water in order to ensure adequate power and to prevent noisy cavitation which will scare fish.

Can you shorten a electric trolling motor shaft?

If your motor is too long, you can shorten its shaft. The shaft should be shortened at a service center. You can void your warranty if you shorten the shaft yourself.