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Bass Boats, Fiberglass and Aluminum, Surface Mounting onto Trolling Motor Deck

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Home / Uncategorized / Transducers / Garmin / Bass Boats, Fiberglass and Aluminum, Surface Mounting onto Trolling Motor Deck
Scanning sonar downrod system
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Bass Boats generally have a trolling motor deck with sufficient flat surface mounting for a baseplate.

Any level area that has a 4×4 inch area that is flat can use a simple sub plate mounting.

Be sure however that the location of the downrod will be conveniently located.   For example, if you typically fish from the Seat Post at the center of the deck, the trolling motor deck may place the downrod too far away to be convenient to turn.  If this is the case, consider the pedestal mounted baseplates as they are able to be positioned back slightly and thus may be more user friendly.

Baseplates sit atop the sub plate using one of two mounting methods.

  1. Thumbscrews:  a couple of nylon thumbscrews that act as a quick removal as well as a strain relief should the downrod hit something while deployed.
  2. Magnetic Switches:  magnetic switches

Baseplate selection should take into consideration the span, or distance, from the outer edge of the sub plate to the outside rub rail of the boat.  Refer to the drawing below, Dimension D.

Bowducer Baseplate Dimensions
Bowducer Baseplate Dimensions

 

This is a great option for all types of bass boats.  Skeeter, Ranger, Bass Cat, Vexus, Nitro, Champion, Lowe, Lund, as well as all other bass boats.

Baseplates sit atop the upper pedestal plate using one of two mounting methods.

  1. Thumbscrews:  a couple of nylon thumbscrews that act as a quick removal as well as a strain relief should the downrod hit something while deployed.
  2. Magnetic Switches:  dual 150lb holding strength magnetic switches hold the baseplate to the pedestal

All Standard baseplate systems include a plastic coated stainless steel tether to hold the baseplate to the boat.  Should the downrod hit something in the water and cause the baseplate to break away from the mounting, the baseplate will follow the downrod overboard and into the lake.  If you do not wish to dive for your baseplate, the cable is the best means to hold the baseplate to the boat.

 

Weight 4 lbs
Dimensions 48 × 4 × 5 in

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Assembly Options​

Sub Plate Mounting 1 Sub Plate Mounting

Sub plate is mounted to the pontoon deck

Allows the baseplate to be removed from the side of the boat if needed and also provides break away strain relief mounting for accidental impacts

Mounting Plates are 4x4 inches and 3/8 inch tall.

Depending on the baseplate ordered, these sub plates accept Thumbscrew mounting or use Magnetic attachment.
The proper sub plate will be supplied depending on the type of baseplate selected.

Baseplate Length and Material 2 Baseplate Length and Material

Baseplates (the part that holds the downrod) can be made in a polymer material or in Aluminum and are held with either Thumbscrews or magnetic attachment.

Polymer baseplates are considered light duty. The water fished is relatively clear and the user is unlikely to run into underwater obstacles. Trolling speeds are limited to about 4mph maximum using the base Marine board and Aluminum baseplates.

Magnetic baseplates release at a slightly lower speed of 3.5mph and also release more reliably than thumbscrews. As such, they are a good choice for any type of fishing

Aluminum baseplates are considered heavy duty. The Water fished may be full of stumps, trolling speeds can be high. River fishing is likely.

Refer to the outline drawing below to determine a proper baseplate length.

Baseplate Color (Marine board only - Aluminum are clear anodized) 3 Baseplate Color (Marine board only - Aluminum are clear anodized)

Marine board is High Density Polyethylene. A marine grade plastic 3/4 inch thick. It comes in Black or White

Aluminum is 1/2 inch thick aluminum plate with an aluminum cup. Clear anodizing leaves a silver appearance.

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