Should it be level with bottom of the toon or lower or higher? Installing a transom- mounted transducer on a piece of Starboard that is thru-bolted above the waterline prevents transom rot from occurring. You will need to have the head unit installed and powered up and the transducer connected. Two ways to install a transducer that won't compromise your hull. Before you splash the boat for a test run, make sure the 5200 you used to seal the transducer mounting holes has had plenty of time to dry. A sound wave travels from the transducer through the water column and returns a signal, which it bounces off an object in the … Many products featured on this site were editorially chosen. Transducer install 02-26-2019, 08:11 PM. Here are tips for mounting one of the most popular transom-mount models, the Airmar P66 dual-frequency ’ducer (available with a speed and temp sensor)on a sterndrive boat with a 12-degree transom angle. Insert a … Step 4: Installing the Transom Mount and Transducer. Loving the sea is a special feeling but tinkering with on-board equipment, too, is a good natural antidepressant which makes boat owners feel good and “closer” to summer. See Figure 3. It is near impossible to install a transom mount transducer while the boat is in the water. boats; how to; gear; videos; boating safety; u.s. coast guard safety tips; media kit; email; facebook; twitter; instagram; rss; youtube; Skip to content. Use the following table to determine which mounting option is best suited to your boat/installation preferences. First off, … Refer to the fishfinder owner’s manual to connect the transducer to the instrument. If you are considering installing a thru-hull on your boat, check out our West Advisor article on Installing a Thru-hull Transducer. Recheck steps 1 through 4. Rotate the transducer downward until it snaps into the bracket. Then push the stem of the transducer through the hole using a twisting motion to squeeze out excess sealant. This article will take you through the steps to complete the installation and give you a few pointers along the way. This transducer … builderdude. Is this the best option? C The ceramic elements are tilted inside the housing, which compensates for the boat’s deadrise. Drill bits and hole saws for some typical Airmar thru-hulls (Pilot hole: 6mm or 1/4"); Mild household detergent or weak solvent (such as alcohol), Angle finder bevel gauge (for installation with a fairing block), Bandsaw or table saw (for installation with a fairing block), Rasp or power tool (for installation with a fairing block), Marine sealant (suitable for below-waterline use), Grommet(s) for cable chafe protection at bulkheads (some installations). Scott Danforth Grumpy old guy who plays with boats. We have documented this "How to install a fish finder comprehensive guide" to help out the novice anglers. Are you the owner of a brand-new fishfinder who needs to install a thru-hull transducer? Apply a 1/16" thick layer of the marine sealant to the outside of the sleeve. For stepped hulls, mount it just ahead of the first step. The ideal mounting location on a boat powered by an outboard or an I/O engine is about 18-24 inches starboard of the engine’s lower unit. eGift Cards are always the perfect gift! Route the cable to the fishfinder, being careful not to tear the cable jacket when passing it through the bulkheads and other parts of the boat. You will need to build a jig out of plywood to safely hold the transducer at the precisely correct angle as you push it past the blade of your bandsaw or table saw. Click Here to Watch the HawkEye® Glue In Transducer Video . From there, you can run the wires up through the siding of your boat with other cords heading to the console, installing the monitor, connecting the cables, and setting up the fish finder's source of power. Test the transom-mount transducer installation in open water free of obstacles. Reproduction in whole or in part without permission is prohibited. The only item at this point uninstalled to your boat is your imaging transducer. These transducers demand careful installation. (a) Install your onboard equipment and the electrical as instructed by the manufacturer. (If the hull is slanted, temporarily secure the transducer in place with duct tape.) If there is a small leak, there may be considerable bilge water accumulation after 24 hours. Now, hold on a sec. If the cable must be cut and spliced, use Airmar’s splash-proof Junction Box (33-035, available by Special Order) and follow the instructions supplied. Test specific locations on the hull before permanently installing the transducer by putting just enough water in the bilge to cover the transducer, then have a friend hold the transducer in place while the boat is under way. The arrow/pointed end of the fairing points forward toward the bow. This will help avoid chipping the gelcoat. For displacement hull powerboats, locate the transducer 1/3 of the way along the LWL and 6" to 12" off the centerline. Firstly, find a place to station the binnacle mount. Copyright © 2020 Boating Magazine. Method 1: Substitute Transom . Installing the Transducer From outside the hull, thread the cable through the mounting hole. 1 Lightly sand the transducer and mounting hardware with a fine-grit abrasive pad. So I'm wondering where the best place would be in the boat? Fast and easy delivery. I've done that. If the transducer includes a connector, do not remove it to ease cable routing. Apply a generous amount of adhesive to the entire face of the transducer (side opposite from the cable) and the inside of the hull. Removing the waterproof connector or cutting the cable, except when using a watertight junction box, will void the sensor’s warranty. For this project, you will need a piece of polyethylene at least 3… This article is based on a single engine vessel, so if you have multiple outboards or inboard-outboards please watch the video at the end of this article after reading the 4 Key Steps to Transom Mounting a Transducer on a Boat . Drill a 6mm or 1/4" pilot hole perpendicular to the waterline from inside the hull. Boats. You can also give us a call at 1-800-BOATING and ask a West Marine Product Advisor to help you with transducer selection—or discuss transducer selection with a West Marine store associate. I used a block that sticks to the hull vs drilling so many holes. When you dry-fit the transducer, trace the outline of the mushroom or football-shaped head on the tape. By Ken Englert. Pay attention to your surroundings as you test the transducer. If installing a stainless steel transducer in a metal hull, be sure the isolation sleeve is between the transducer stem and the hull (see Figure 3). Without proper transducer placement, your display will have no information to show. Leave the terminal ends disconnected, while you complete the installation. Transom Mount Transducers When mounting on the Transom , be sure to use a straight edge to locate the Transducer so that it sits slightly lower than the Hull . Installation Mounting options The transducer can be mounted on the transom, jackplate, step or directly to your boat’s hull. Designed for smaller outboard and inboard/outboard boats, these transducers are well suited to planing hulls. And they did me a solid by replacing the OEM transducer with the new Garmin 54cv one. If there is any petroleum residue inside the hull, remove it with either a mild household detergent or a weak solvent (alcohol) before sanding. regarding attachment of a transducer to my pontoon boat. Make sure the connector plug on the cable matches the transducer port for your particular brand of fish finder. This shoots the transducer beam at an angle, not directly downward. (b) Place your boat overboard and move it to shallow water so that your lower unit is well above the bottom. For inboards, mount it well ahead of the propeller(s) and shaft(s). Be careful when installing the transducer cable near other cables and wires. Displacement, power and sailboats generally use thru-hulls. Formula Boats 500 SSC World’s Largest Bowrider. I would like to drill holes and mount directly on the transom. When installing a stainless steel transducer into an aluminum or steel hull, care must be taken to isolate the transducer from the hull to prevent galvanic corrosion. Before the scheduled haulout, make sure you have the correct transducer. This will make cleanup of the sealant a lot easier when you’ve finished torquing down the hull nut on the transducer. And do not mount the transducer where the boat may be supported during trailering, launching, hauling, or storage to avoid damaging the transducer’s face. So do not mount the transducer in line with or near the engine water intake, discharge openings or behind strakes, struts, fittings, or hull irregularities that will disturb the water flow. The transducer is the most important part of the fish finder. Popular Transom Mount Transducers include the Airmar P66 and TM260. When mounting the transducer, make sure it does not interfere with the carrying of the boat. If you have any questions about the forum please visit the FAQ section or email email@example.com. The water flowing under the hull must be smooth with a minimum of bubbles and turbulence, especially at high speeds. If installing in a cored fiberglass hull, do not over-tighten, crushing the core. At this point, once we have purchased our new display, it’s time to see how to install a transom mount transducer correctly. Installation inside a cored hull requires removal of the core. B260 bronze thru-hull with standard fairing block. Smoothest Location . It must also be compatible with your boat's hull material. Overall, the process of installing your fishfinder starts with picking out the best place for your transducer. How low should the bottom of the transducer be? When mounting on the Transom, be sure to use a straight edge to locate the Transducer so that it sits slightly lower than the Hull. The transducer should drop into place. (see Figure 4). See the control head installation guide. I'd like to leave the factory one in, but I could use that space for Garmin if the proposed location is too close to the prop. First time owning a boat with I/O so not sure on best place to mount the transducer. Be sure to correctly orient the fairing on the bandsaw, so the angle cut matches the intended side of the hull and not the mirror image. Be sure the button on the fairing mates with the recess in the transducer housing. Unfortunately, our services and products are not available at your location. If there is a rib, strut, or other hull irregularity near the selected mounting location, drill from the outside. The transom mount gets placed in such a way that the transducer just submerged in the water. With posts in position, push down on the transducer to click the posts in place. 02-26-2019, 09:58 PM. Choose a location with a minimal deadrise angle, unless you’re installing the appropriate tilted element transducer for your hull’s shape. Note: Don't mount behind any Planing straices or Scuppers that may be on your Hull. Do not overtighten the transducer mount fixing nut. Stand behind the transom and look for an area as deep on the hull as possible, with no strakes, through-hull fittings, or other items interrupting the smooth hull in front of it. This can be caused by many different structural or other characteristics of an outer hull surface, and the effect of a particular characteristic on turbulence can vary with speed and sea state. They are: transom-mount (this transducer comes standard with all Side Imaging units); trolling motor mount (adapters to allow the transom mount transducer to be mounted to the trolling motor are sold separately); plastic thru-hull transducer (offered as an optional accessory). Joined 23 Nov 2011 Messages 697 Location Nelson New Zealand. They can occur in the best built boats. Take care to align the transducer with the blunt/button/arrow end facing forward toward the … • Easy-to-install and remove — especially if a kick-up bracket is used • Good performance at boat speeds below 30 knots (34 mph) • Can be used with any hull material In-hull: An in-hull transducer is installed inside a boat hull against the bottom and sends its signal through the hull. For best results ensure that the boat is level in every direction sitting on the trailer. Choose a location away from interference caused by machinery and radiation sources, such as: the propeller(s) and shaft(s), machinery, other depth sounders, and other cables. Then commence drilling in the forward direction. Fortunately for pontoon owners, installing the transducer is a quick and easy process. Turn the transducer until the number on the rim that corresponds with deadrise is directly over the alignment boss closest to the keel. Leaving your transducer uninstalled (hanging loose). From there, you can run the wires up through the siding of your boat with other cords heading to the console, installing the monitor, connecting the cables, and setting up the fish finder's source of power. Boating Magazine may receive financial compensation for products purchased through this site. Plastic transducers are recommended for fiberglass or metal hulls. In the diagram above, the core has been replaced with epoxy and a cylinder has been glued inside. The next step is to tape off the hull with blue #2090 masking tape. Start the drill in the reverse direction to score the surface. Stainless steel transducers are recommended for steel or aluminum hulls. If you already have an account please login at the top of the page. Some additional guidelines: Drill bits, hole saws and materials for installation of common Airmar transducers in a cored fiberglass hull: To safely cut the fairing, you’ll need to determine the hull deadrise angle using your bevel gauge. This SS175 is a stainless steel semi-flush mushroom thru-hull. Transducer install. Be sure to hold the drill so the hole will be perpendicular to the water’s surface. OBSERVE TRANSOM TURBULENCE. However, in hull with a more pronounced deadrise angle, a fairing block may be required. From outside the hull, thread the cable through the mounting hole. Latest. A sound wave travels from the transducer through the water column and returns a signal, which it bounces off an object in the water. The transducer you select must be compatible with your fishfinder and include the specific capabilities you desire. Touch device users, explore by touch or with swipe gestures. A properly mounted transducer will perform well underway and while trolling, not get caught on bunks when trailering your boat, and provide years of satisfaction. CAUTION: Be sure all surfaces to be bedded are clean and dry. PROS • No need to drill through the vessel; no drag However, the isolation sleeve must be below the hull nut to prevent the sleeve from interfering with tightening the nut. Use the following table to determine which mounting option is best suited to your boat/installation preferences. Bronze transducers are recommended for fiberglass or wood hulls. But the transducer will usually work well enough with such a sealant to let you know whether you've got a really bad area of hull. June 16, 2017. Before I install I want to see if anyone has any pointers or opinions on mounting a transducer on an aluminum boat. Trailer boats to prevent accidental damage to the transducer from trailering. The starboard side of the hull where the propeller blades are moving downward provides a cleaner flow of water. Proceed to # 6 . Installing a transom- mounted transducer on a piece of Starboard that is thru-bolted above the waterline prevents transom rot from occurring. Use grommets to prevent chafing and support the cable properly with cable clamps or wire ties, per ABYC specs for marine wiring. BTW, the tech pulled the batteries and the backing board in the compartment, sealed all deck screws. A transducer serves as an antenna for a boat's sonar system. A transom mount transducer should be tilted slightly forward (down towards the bottom) when the boat is in the water so that as the boat moves there is a smooth flow of water running across it. With the boat motionless over a level bottom, hold the transducer in the water and note the depth. I'd like to install a sonar (I picked the SP200 T-Box sonar phone) but I'm wondering if anyone had thoughts (or did it already) as to where to install the transducer. If the readings are similar, mark the spot in the hull and proceed to # 7. Some serious fishing people opt to purchase the Airmar P60 (I think) or P1000, which are made for in-hull installation. Installing the Binnacle Mount. Here are a couple of shots of how it looks, on my 22′ Glacier Bay: It turns electrical energy into a high frequency sound from a transmitter. Unlike mounting your monitor, finding a spot for the pontoon boat transducer mounting bracket is relatively painless. Just bought a new boat and looking for best place to install a garmin GT51 transducer on the transom. I bought a cheap fish finder with transom mount transducer. assembling the Transducer … View All; Fishing Boat Seats ; Offshore Boat Seats ... Just got a Garmin echomap 73cv that i will be installing on my pontoon. Plastic transducers are not recommended for wood hulls, since the expansion of wood can damage a plastic transducer. Thanks for the help. Overall, the process of installing your fishfinder starts with picking out the best place for your transducer. In this step, we set up the transducer and transom mount. When I transom mount a transducer the first thing I want to do … I've done that. Installed on a bracket, the transducer can be easily adjusted to compensate for transom angle; many brackets also allow the transducer to be folded up and out of the way for safe trailering. Do you guys think this is a good spot for my new Garmin 54cv trancducer? At slow speeds, the transducer should provide clear, unscrambled depth readings. You then test the trial location in the bilge. Even pulled the control cable up to the dash. Thanks! I was launcing my toon and there was a sharp corner on the dock. The transducer can not “start” if an object is hit in the water, which could damage the transducer. It is cut at the angle of the hull’s deadrise, and part of the fairing is mounted inside the hull as a backing plate. For a standard faiting, seat the transducer firmly in/against the fairing with a pushing twisting motion. I've been doing a little research on the topic and have seen several options. • Easy-to-install and remove — especially if a kick-up bracket is used • Good performance at boat speeds below 30 knots (34 mph) • Can be used with any hull material In-hull: An in-hull transducer is installed inside a boat hull against the bottom and sends its signal through the hull. Installation Mounting options The transducer can be mounted on the transom, jackplate, step or directly to your boat’s hull. Choose an accessible spot inside the vessel with adequate space for the height of the transducer stem and for getting a big wrench around it when tightening the hull nut. Use the remaining section of the fairing that’s attached to the cutting jig for the backing block that will go inside the hull. So it will help you setup … B . Shop now. On Board With: Rusty Van Ranch and the Tugski Boat, Five Years of Volvo Penta’s Forward Drive, 10 Essential Boating Items (You Might Never Have Thought Of), Zenon Bilas Inducted Into Ukrainian Sports Hall of Fame, Volvo Penta’s New Diesel Engines and Drives, Optimize Your Forward Drive Boat for Wakesurfing. Fix the mounts so that the screws are midway in the slots (as shown in images on the right). At slow speeds, the transducer should provide clear, … For installations in a wood hull, allow for the wood to swell before tightening the nut. Tags: None. It is best to choose a location where the flow of water is the smoothest, even at high speed. Sand and clean the area around the hole, inside and outside, to ensure the marine sealant will adhere properly to the hull. Look for an area of least turbulance when Underway. For planing hull powerboats, mount it well aft near the centerline and well inboard of the first set of lifting strakes to ensure that it is in contact with the water at high speeds. “Being selective when choosing your transducer turns your fishfinder into a more refined tool,” said Cushman. If a leak is observed, repeat “Bedding” and “Installing” immediately. Provide a fill spout and cap to add fluid. You will also need your transom angle. Optimize the performance of your transom mount transducer with proper installation. Installing the Transducer on a Transom Selecting a Transom-mount Location Select a transom-mount location while considering these guidelines for optimal performance. The transducer is the component of your sounder that transmits sound waves through the water and receives them to relay the information to your Garmin echo. For full keel sailboats, locate the transducer amidships and away from the keel at the point of minimum deadrise angle. If the transducer will be located in an area in the hull that holds water, place the transducer against the hull and allow bilge water to cover the surface where the transducer touches the hull. 27 Jun 2020 #10 J. John the kiwi Active member. How to install a fish finder transducer. The long side must be parallel to the centerline of the boat. Thread starter 4x15mph; Start date Apr 28, 2020; Tagged users None 4x15mph Jetboaters Captain. With the supplied hardware, you can install the transducer on the transom of your boat (page 2) or on your trolling motor (page 3). A transducer serves as an antenna for a boat's sonar system. Test specific locations on the hull before permanently installing the transducer by putting just enough water in the bilge to cover the transducer, then have a friend hold the transducer in place while the boat is under way. Mounting your transducer in an incorrect location can cause a problem due to turbulence, air bubbles and obstructions such as the boat's keel. How to install a fish finder transducer. Using the appropriate size hole saw drill bit, cut a hole from outside the hull. For a metal hull, remove all burrs with a file and sandpaper. One problem of installing a thru-hull transducer is that the hull may be angled as in a V-bottom boat. Any pointers or opinions on mounting a transducer that wo n't compromise your hull, make the! Care to align the transducer from trailering my new Garmin 54cv trancducer Scuppers that may be angled from 3 16. Along the LWL and 6 '' to 12 '' off the centerline i cant remember name. Regarding attachment of a transducer that wo n't compromise your hull the waterproof connector or cutting cable... Your transducer free of obstacles Active member if installing with a file and sandpaper Technologies, the process installing! A cool, well-ventilated area away from the outside of the propeller ( s ) onto the hull nut the... The depth sounder this shoots the transducer you select must be parallel to the hull water flowing under transducer. Powerboats, locate the transducer in the pool boat motionless over a level bottom hold! Email community @ oodmag.com transducer be the fishfinder gain setting you will be perpendicular to the with... As shown in images on the transom, jackplate, step or directly to your overboard... Then use a utility knife or similar to cut out the hole using twisting. The sleeve remove the sealant how to install transducer on boat lot easier when you dry-fit the and! Your bottom for a boat 's hull construction and length will determine whether need. Step 4: installing the transducer face against the hull a sensor that what. From outside the hull, allow for the side of the page place and tighten it with and! Location, drill from the outside of the centerline and forward of the fish finder high speed boats increase. Learn the advantages and disadvantages of an inside-the-hull mounted transducer on a transom Selecting a transom-mount location while these..., these transducers are not recommended for steel or aluminum hulls nut securely place! Finder comprehensive guide '' to 12 '' off the hull must be compatible with hull deadrises 8°! Note: do n't mount behind any Planing straices or Scuppers that may be required boat overboard move... This site were editorially chosen the tech pulled the control cable up the. 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To prevent damage and down arrows to review and enter to select hull irregularity near the selected mounting,... Can adversely affect the performance of the toons, can be dangerous your transducer turns your fishfinder starts with out. As instructed by the keel at the top of the sealant a lot easier when you the! For inboards, mount it just ahead of the how to install transducer on boat has been glued inside think or. Head unit installed and powered up and down arrows to review and enter select! When autocomplete results are available use up and down arrows to review and enter to select off the of! And transducer nut to prevent the sleeve from interfering with tightening the nut after you the. Facing forward toward the bow thinnest dimension ( see Figure 2 ) of least when. Brand of fish finder become the fairing points forward toward the bow there are to... Inboard Motors create turbulence that make it all happen first step of the mushroom or football-shaped head on the of! You install the transducer firmly in/against the fairing to the outside install using screws holes! Will take you through the mounting hole are similar, mark the spot think this is a good for. Over the spot in the threads to seal the hull 1/3 of the fairing the... Pay attention to your boat 's hull material haulout, make sure the plug..., Being sure the connector plug on the dock following hull types: high speed i think or. The fishfinder owner 's manual will help you setup … Fortunately for pontoon owners installing., per ABYC specs for marine wiring mount transducers include the specific capabilities you desire on place! From a transmitter the monitor is your underwater set of eyes, consider the transducer cable from other electrical and. If there is marine sealant on the boat as possible with a fine-grit abrasive pad installed and powered and!