Robyn Buck
When mounting a transducer to the transom of a boat, there are several options available. One can choose to screw directly into the transom, use a glue or epoxy, or use a combination of both. The size of the transducer and the material of the boat are important factors to consider when choosing the appropriate mounting screw. For instance, #10 screws are recommended for smaller transducers, while #12 screws are more suitable for larger ones. Additionally, the use of HDPE blocks as an intermediate mounting surface between the transducer and the boat is also a viable option, providing increased holding strength and avoiding the need to drill holes directly into the transom.
What You'll Learn
#10 and #12 screw sizes for transducer mounting
When it comes to transducer mounting, selecting the appropriate screw size is crucial for a secure and long-lasting installation. #10 and #12 screws are among the commonly used options for this purpose. Understanding their characteristics and suitable applications will help ensure a successful transducer installation.
Starting with #10 screws, they are typically used for general construction purposes, including heavy-duty furniture, outdoor projects, decks, and even boat building. When it comes to transducer mounting, #10 screws are often the preferred choice for smaller transducers. They provide adequate holding power and are available in lengths ranging from 3/4" to 4". The diameter of a #10 screw is approximately 3/16" or 4.76mm, making it a suitable option for smaller transducers that require a more compact screw size.
On the other hand, #12 screws are designed for heavy-duty construction tasks, such as hanging solid-core doors. They are also commonly used for larger transducers in the context of transducer mounting. #12 screws offer increased holding power and are available in lengths ranging from 3/4" to 6". The diameter of a #12 screw measures slightly less than 7/32" or approximately 5.556mm. This larger diameter makes it ideal for larger transducers that require a more substantial screw size.
It is worth noting that both #10 and #12 screws can be made from high-quality stainless steel, ensuring their durability and corrosion resistance. When mounting transducers, it is recommended to pre-drill the holes with a drill bit that is slightly smaller than the screw size. This helps achieve a tight fit and maximizes the holding power of the screws.
Additionally, it is important to consider the thread type of the screws. #10 and #12 screws can have different thread designations, such as UNC (unified coarse), UNF (unified fine), or UNEF (unified extra fine). The specific thread type will influence the pitch of the screw threads, which refers to the distance between adjacent threads. Selecting the appropriate thread type ensures compatibility with the mounting holes and provides a secure connection.
In summary, #10 and #12 screw sizes are commonly used for transducer mounting, with #10 being suitable for smaller transducers and #12 being ideal for larger ones. By choosing the right screw size, pre-drilling the holes, and considering the thread type, you can ensure a secure and long-lasting transducer installation.
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RyTek transom mount screw size
When mounting a RyTek transom to the transom of your boat, you will need transducer mounting screws. These are available in high-quality stainless steel, with 3/4" and 1" screws in #10 and #12 sizes.
For smaller transducers, #10 screws are recommended, while #12 screws are more suitable for larger transducers. If you have purchased the Heavy Duty Transducer Board, the #12 x 1" screws are the perfect fit.
The screws come in packs of 5, and it is recommended to pre-drill all holes with a drill to achieve great holding power.
It is important to note that some RyTek transom mounts, such as the Lowrance Hook Triple Shot Transom Mount and the Airmar/Lowrance TM150 Transom Mount, are not 100% bolt-on mounts. These mounts may require additional hardware or modifications, such as drilling and minor plastic removal, for a secure installation.
Always refer to the specific instructions and requirements provided by RyTek Marine for each transom mount to ensure proper installation.
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HDPE mounting blocks and #12 screws
When mounting Fishman transducers, it is important to select the appropriate screw size for a secure fit. #12 screws are available in various lengths, including 1-1/2 inches and 2-1/2 inches. These screws are typically sold in packs of 40, 80, or more.
HDPE, or High-Density Polyethylene, is a flexible and machinable material that can be used for mounting blocks. It is a popular choice for lightweight applications due to its affordability, high strength, and ease of machining. HDPE can be easily cut, shaped, and drilled, making it suitable for a range of projects. When working with HDPE, it is recommended to use power tools or basic hand tools such as a Dremel, fine-toothed hacksaw, bandsaw, or scroll saw.
When mounting transducers, it is essential to consider the size and weight of the transducer. For smaller transducers, #10 screws may be sufficient, while larger transducers may require #12 screws for a more secure hold. Pre-drilling holes with a drill bit that is slightly undersized can also enhance the holding power of the screws.
HDPE mounting blocks can be purchased in various sizes and colours. For example, Amazon offers HDPE blocks in dimensions of 2" x 3" x 6" and a variety of colours, including red, lime, forest green, yellow, blue, purple, black, orange, and green. These blocks are made in Canada and are safe and easy to fabricate.
By combining HDPE mounting blocks with #12 screws, you can securely mount Fishman transducers, ensuring a stable and reliable installation.
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Stern saver HDPE blocks and epoxy
The Stern Saver is a high-density polyethylene transducer mounting block that is glued onto boats, eliminating the need for screws. It is an excellent solution for those who want to avoid drilling unnecessary holes in their boats. The Stern Saver is also versatile, as it can be used to mount switches, fuel separators, livewells, bilge pumps, and other devices. An installation kit is included with the product, and it is available in four colours to match your boat.
When it comes to the installation process, it is recommended to sand the area and use alcohol pads to clean the dust off after. While the Stern Saver is simple to install, it is important to follow the instructions carefully. For example, one user mentioned that the instructions advise submerging the epoxy applicator in warm water for five minutes to make it easier to use. However, using water that is too warm or letting the applicator sit in the water for too long can cause the applicator to break, as one user experienced.
The Stern Saver is a clever and innovative product that offers a cost-effective and convenient alternative to drilling holes in your boat. It is a solid and reliable solution, as highlighted by positive reviews from users who were satisfied with its performance and ease of installation.
In terms of pricing, while some users have mentioned that the Stern Saver is a bit on the pricey side, others have noted that it is worth the investment to avoid drilling holes in your boat. Overall, the Stern Saver is a well-regarded product that offers a simple and effective solution for mounting transducers and other devices without compromising the integrity of your boat.
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Stern pad and 3M VHB tape
The Stern Pad is a mounting block for transducers, LED lights, pumps, antennas, and other devices that can be attached to a boat. It uses a special type of 3M VHB tape to adhere to the hull without the need for screws. The adhesive has been rigorously tested and has passed a 10-year submersion test in saltwater.
The Stern Pad offers a quick and easy installation process, taking less than 5 minutes with its peel-and-stick backing. However, it is important to note that the adhesive requires a curing time of 18 to 24 hours before boating. The Stern Pad is semi-permanent and can be removed from the gel coat if needed without damaging the boat hull.
The Stern Pad kit comes in two sizes: Standard (4.5" x 3.5" x .75") and Jumbo (6.5" x 4.75" x 1"). The Jumbo size is designed for large 3D scan transducers. Each kit includes three adhesive cable clips, a 3M Scotch-Brite pad, and an alcohol wipe for site preparation.
Customer reviews for the Stern Pad are generally positive, with many praising the ease of installation, strong adhesion, and the ability to avoid drilling holes in their boat hulls. However, there are some mixed opinions on durability and value for money. It is important to follow the installation instructions carefully to ensure optimal adhesion.
Overall, the Stern Pad and 3M VHB tape provide a convenient and effective solution for mounting accessories to a boat without the need for screws or drilling holes.
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Frequently asked questions
The screw size depends on the size of the transducer. For smaller transducers, #10 screws are preferable, while for larger transducers, #12 screws are more suitable.
HDPE blocks provide a more secure mounting option as they allow for the use of longer screws, resulting in increased holding strength. They also help avoid drilling holes directly into the transom of your boat.
It is recommended to pre-drill holes that are slightly undersized and then screw in the mounting screws for better holding power. Sanding and cleaning the surfaces to be bonded can also improve adhesion.
