com and you can download a copy from their web site. 11' Aluminum / Vinyl Hull Bunks - This configuration is well suited for single hull designs including flat bottom, round bottom,. Aluminum/Vinyl bunks are. Gray Bunk Carpet (2 Pieces) 27in x 15ft. Made from 6061-T6 US aluminum. WCPC 3000 Basic Cradle Lift $1,799. KEY FEATURES. This will help you determine the size of bunks you need to install on your lift. I have a 21' Classic V-Hull Cuddy style with an 188 hp mercruiser inboard /outboard. Toonrail. Ended up cutting a 20 degree angle on the top of the planks so I will have plenty of contact with the hull. Printable Version. Toon bunks are set in a V to the outside to accomodate the Toon. By having our own custom extrusions we offer full length adjustable width bunks. Roto Lift® bunks can be configured for a custom fit to any style of boat, be it a v-hull, step hull, pontoon, tritoon, or catamaran-style hull. Mounting hardware is included. • Remote control and aluminum bunks (up to 20,000 lbs) • All-aluminum structure using 6061-T6 marine-grade aluminumShoreStation - 7ft - HA-0027 Ultra Bunks. There are Roto Lift® models available to fit in slips from 8 to 14 feet wide, to support vessels ranging from 5,000 LB to 11, 000 LB. I just purchased a used boat lift which has vinyl bunks on instead of carpet. STANDARD 10' ULTRA BUNKS - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. The cantilever lifts are also typically constructed with aluminum pontoon beds or V-hull style wood beds - with vinyl or carpet added to their bunks—to provide further protection. Loosen your adjustable boat trailer bunk brackets so they are free to raise. Vinyl Bunks. Industry's Easiest Assembly & Installation (8 piece design)Wholesale Marine stocks everything you need to replace or repair your boat trailer bunks and boat trailer. Are the OP's bunks adjustable? My lift bunks are moderately angled outward towards the stern where my PF (and most boats) flattens out. So many lifted step boats have chips in the trailing edge of the. Boat Lift Bunks Home Lift Accessories Hull Bunks Hull Bunks Sort By: Page Size: 1 2 » ShoreStation Pontoon Rack for Galvanized Steel V-Style Cradl. If your trailer is too narrow to get the bunks under the chines, or if you don't have enough room between the keel and the crossmember to. Well suited for many current pontoon applications the 12' Saddle support kit by Craftlander offers a low profile cradle support kit for a variety of pontoon boat applications. Chocks can be placed at the front and back of the hull, or under the tires if the lift has them. Ultra Bunks. It typically consists of padded or carpeted beams that conform to the shape of the V-hull. Also, there is a simple rule of thumb to follow. Please note that this item is available for local pickup only in Longview, TX. Boat lifts deliver multiple benefits. We have provided more information below about each of these options. Rails and Bunks for V-Hulls, Sailboats, and Pontoons. The slight "V" works good for our boats. Starting at: $302. I have my dock team coming today to replace all 4 cables on the lift ( maintenance measure as this new Parker is 2000 pounds heavier loaded w/ ice/ fuel. Find the best boat lift for shallow water to fit nearly every make and model with HydroHoist. 11' Aluminum / Vinyl Hull Bunks - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. Lifts. Craftlander MH-V45120SS-TT - 4,500 lb Capacity Vertical Tritoon Boat Lift . Measure the height from the i-beam to the top of the bunk. What Size Board Does CE26244G Bunk Board Bracket Fit; Can CE Smith V-Wing Bolster Brackets be Cantilevered; Could the CE Smith Bolster Bracket part # CE26244G Be Used on Boat Lift; Can I Use Fiberglass Resin With Bunk Carpet On My Pontoon Boat Trailer; Can CE Smith V-Wing Bolster Bracket be Used on Boat Lift ; V-Wing Bolster for. The 3009DVS Vertical Boat Lifts by ShoreMaster feature 3,000lb lifting capacity, double drop-v side frames, patented Whisper Winch, 108" inside width, 66" lift travel. Deep-V Hulls: a wedge-shaped hull from bow to stern. Here's my 2550 on a bunk trailer. The Ultra Bunk includes two individual aluminum extrusion bunk rails covered with a non-abrasive vinyl. From large yachts and sailboats to powerboats, jet skis and. The Ultra Bunk includes two individual aluminum extrusion bunk rails covered with a non-abrasive vinyl. I would not want to have a bunk over a chine. Features no welds. 40 galvanized drive pipe, with a diameter of 1 1/2. Chimpo. In addition to its powerful lifting capacity, the Max Overhead V-Hull Boat Lift offers an array of impressive specifications. It is a major "pressure point. All of our lifts are manufactured using marine grade 6061T6 aluminum rectangular tubing. CUSTOM BOAT LIFTS ARE MADE FOR ALL PWC AND BOATS UP TO 240,000 POUNDS. These boards will last virtually forever giving. These full length raised bunks provide better hull support than the traditional “V” bunk and are easy to load your boat onto. The 4 in. 1. The first said to use 2 bunks perpendicular to the boat near the bow and stern. The bunk board is gone and don't want to take a chance of moving it from where it is. Lauderdale International Boat Show 10/25 to 10/29 Broward Convention Center • Ft. Top Cover for 144" Bunk. 5. Combined with the standard Pontoon Guides and. My lift is a Hydrohoist and it 14 years old. The hand crank boat lift is easy to use due to the mechanical advantage in the design. RGC Marine boat lifts and docks are easy to use, easy to install and highly adaptable to suit any waterfront need. Wood cradle bunks not included. Example 5. Just got a new fishing boat- 1993 Sylvan, 16' aluminum V hull, side console, 50 hp. Add to cart. When I bring the boat in and try to center the engine on the lift the forward part of the hull just rises away from the bunk at the front of the bunk leaving very little "waste". The bunks should be at least 17" high to clear the prop. Aluminum/Vinyl bunks are. Made from marine grade 6061-T6 US aluminum. Slip Size: 8-14′ Can accommodate: Deck Boats, Runabouts, Pontoons, PWCs, and Step Hull. Step 1: Check the keel on your boat. Bought a new boat (v hull), old boat was basically a tri-hull. Add to cart. Seems to be easy and safe, not sure if that part of the hull is strong enough. So if you already have a boat lift, converting it instead could save you that extra expense. ) in width, providing ample space to safely house your boat. Total was $1500. Loosen the screws that fasten the front roller brackets using an adjustable wrench. Larger Boats 10,000 lb. Patriot Docks bunk pads are perfect for bunks on trailers or boat lifts. They are covered with a non-abrasive vinyl and come with bracket hardware. ATLAS 5,000 lb. Join Date: Sep 2004. 11' Aluminum / Vinyl Hull Bunks - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. The 4-inch aluminum bunks are made for an 8-inch I-beam. Bunks, Guides and Rails. 5′ long with bushing savers and rough water stops. If this distance is over 10 feet, then you will want to invest in longer bunks for your boat trailer. Item Sku: 141669. Post Jan 22, 2019 #1 2019-01-22T00:26. Lifts are a convenient way to store your boat when not in use. Carpeted lumber bunks trap debris in the carpet. Once the front of your boat is resting on your bunk guide, repeat the same process with the rear bunk bracket. First, measure the distance from the front lower beam to the rear lower beam on your trailer. Max Lifting Capacity; 120" Max Beam (inside width - upright to upright) 64" Lift Height (actual cradle travel) Choose Either Pontoon Rack or Dual Hull BunksIn addition to its powerful lifting capacity, the Max Overhead V-Hull Boat Lift offers an array of impressive specifications. The roller will cause concaves/hooks in the hull. In some cases to get suitable stability the bunks need to be replaced to go higher, or the frame needs to be changed. Boat Trailer Parts. Much like the bunks on a trailer, the cradles on a boat lift help secure a boat into place. Schedule an appointment with a local welder. Hopefully this can help someone else setup their lift bunks on a 210 hull. All stainless steel fasteners are used on the aluminum cradle. Dogfish. Use chocks to secure the boat in place. Examples of these are Chapparall, Criss Craft, Cobalt, etc. Carpeted Boat Trailer Bunk Board (1-pair) #27820. MAST 4″ X 6″ X 13′ ( for 1500 & 3000LB LIFTS) $ 710. Vinyl bunks are a much better value than carpeted bunks. This explains a lot. See our listing above for our Boat Lift Aluminum Bunk Assemblies and if you don’t see what you need. Lunmar's aluminum bunks come with black polyethene bunk pads. . Raise your brackets so that your bunks are resting on your boats hull. 1,699 1,150. Should be perfect. FLOE’s vertical boat lifts and pontoon boat lifts accommodate watercraft ranging from 2,000 to 10,000 lbs. Search. Bunks, Guides and Rails. 10″ x 12′ Universal Prefabricated Aluminum Bunk. 4 x 12 Pre-Fabricated Aluminum Bunks. When I rehabbed and painted my trailer, I built a v-shaped cradle out of 2x4s to support the keel near the bow and used jack stands (with 2x6s) to support the stern. No wood to rot, no carpet to tear!Exclusive Whisper Winch (the industry's quietest operation) Double V-Side Design. I had an idea, not sure if it's only a "good" idea to me, but here it is. Then you either push the boat back or forward until the lines stop the boat so the boat sits in the same place everytime. Re: boat lift bunk questions. 0810976. So many lifted step boats have chips in the trailing edge of the steps due to it hitting the higher bunks behind it. #9. 4. Good wood should last 20 years easy, but will eventually rot if you leave your lift down too low (so will aluminum). The bunk boards are flat. Screw (1) for End Cap (2 needed per cap) 3025-029-02. These bunks offer full support and protection in a maintenance-free and easy to install design. For $250 it was the best darn investment ever. . 1st Time Boat is Fitted to Lift Pull the boat on the lift by hand Raise lift slightly to check boat balance. View. All RGC Marine Docks and Lifts come with a 15-year limited warranty on aluminum materials and workmanship in freshwater applications. Features a 19-degree angle that securely fits the boat hull when docking. Remove the screws by inserting a screwdriver into holes along the bottom edge of the bolster. Cradle Bunks Aluminum Bunks. V-Hull boats can be lifted on either two, three, or four interwoven chambers, but our most common size is comprised of three chambers meticulously tailored to fit your boat. It varies depending on the height of the bunks and the configuration of the framing. Bunk trailers should be used so the bunks only support the boat as in balance. “Outboard powered boats have to run fast in waves yet still get you home when it gets snotty. Galvanized Cradle Beam. 4. Capacities range from 1200 lb to 4800 lb. Translate Topic. When I replaced by bunks I had the boat and trailer in the garage. This standard kit works well for boats like runabouts, deck boats, fishing boats, and other v-hull or flat bottom boats. On a V hull I would put V type rollers down the center for the keel to rest on, and then either 2x4's on end or do as Ldubs suggested, I also try to keep the bunks between the chines for centering the boat on the trailer and so that it doesn't shift too much side to side while trailering. 11' Aluminum / Vinyl Hull Bunks - This configuration is well suited for single hull designs including flat bottom, round bottom,. 4500 lb. Large timber bunks support the rear 2/3'ds of the boat, and there are smaller flat 2x6's that support the front. This hull bunk kit is designed to replace the worn out or damaged bunk hardwa. P. Platinum Member. The span of the lift is about 9'. The lift below is a great example of a low profile lift with the bunks in their standard position. Hoists for all watercraft styles & dock options for any lakefront. 200 7. Bunks. #9. Patent Pending. The sturdy V-brace frame design is the most rigid available while still allowing easy. Designed to fit ShoreStation models: SS-V15100 and SS-V20100 with new style aluminum cradle crossmembers. Can anyone tell me the correct distance between bunks. Only thing im debating is the bunk placement. The second is what I am considering doing, removing the vbunks and running some 2x6s or 2x8s either upright or flat using trailer bunk attachments. Available Sizes: 9′ & 10′. ”Messages. Wake BoatsNo more carpet to replace, no more exposed wood scratching your boat, no more wasting money on plastic strips. ' ULTRA BUNKS . I am replacing all the brackets so I have a choice, either to set then end wise or flat. . The CE Smith V-Wing Bolster Bracket for Pontoon Boat Trailers # CE26244G referenced in your question is designed for boat trailers but can be used on your boat lift. Ultra Bunks are maintenance free and. This will help center your boat. HA0053 SHORESTATION 10FT ULTRA BUNKS. To learn more, or inquire about a specific part, contact us today at (800) 942-2123 or via our online form! Wood bunks often provide immediate savings, while aluminum are costly. With overall dimensions of 16′ 6″ L x 8′ 6″ W x 7′ 6″ H, it provides ample space to accommodate boats of various sizes. The old boat was a 20 foot 12 degree hull. The kits are a great option if you’re open to making a conversion but aren’t handy enough to build the parts. They are designed to help cushion and reduce surface friction between the bunk and the watercraft's hull. Square edged fiberglass pontoons are usually best supported by flat, longitudinal bunks placed so that the corners of the hulls handle the majority of the load. The bunks are also little to no maintenance with the vinyl and aluminum combination. The lift guy says that for the 28' boat I am considering, it would be reasonable to have it overhand the rear cross beam by 3. Great for Boat Trailers and Lifts! Heavy Duty Style. Store / Aluminum Bunks, Mounting Brackets, guide post, ect. All the bunks are 2 X 6. 2- Aluminum Bunks. Boat Lift Accessories for most major boat hoist systems. Boat Lift Bunk Question: Post Reply : Author: Message Topic Search Topic Options. Available in capacities of 2,200 - 7,000lbs. Downloadable assembly instructions for our pivoting bunks are available in our documentation and manuals. Ultra Bunks are a great option for replacing you old carpeted lumber bunks on your existing ShoreStation boat lift. Boat Lift Capacity: 6,500 pounds. I spoke with Bennington a couple of weeks ago and the guy I talked to said to only lift it using V cradles on each pontoon. 4 in. Takes. Golden Boat Lifts® has more than 35 years’ experience in building custom, quality lifts. I did talk with the engineers at Bennington and they told to be sure and get the bucks under the rear of the pontoons where most the weight is. Starting at: $302. Well, not the greatest weekend for boating. 00 Shop Online Vinyl / Aluminum Bunks ShoreMaster Boat Lift Bunks are designed to provide safe, non-marring protection of your boat’s hull, or your pontoons, while the watercraft is stored on the boat lift. You will have no rust or wood rot worries with the vinyl pad. Wood/carpet bunks would be $100-120 tops. Learn about both to determine which is the best. and deep-V hull designs. 68. 06-01-2017, 08:48 AM. Lower the boat’s cradle to submerge it into the water and ensure that the pontoons can clear the lift’s surface without scraping the cradle. ' ULTRA BUNKS - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. QC Off-Deck Lake View Bench Tan. These bunks offer full support and protection in a maintenance-free and easy to install design. As with a vertical lift like this, your hull doesn't even touch them till you raise the lift. Made to be durable and soft. KEY FEATURES. Craftlander MH-V60120 6,000lb Load Capacity, 120" Wide Aluminum Vertical Boat, Pontoon, Tritoon Lift by Craftlander. Chris--I have a lift like yours and it was supporting a 24 foot Sea-Ray deck boat. MAX MFG. HDPE boat lift bunks are 8-10 times harder than treated lumber and are simply too hard for the aluminum logs of a pontoon or tritoon. The fully adjustable pivoting brackets allow it to perfectly fit any boat. Boat lifts usually have bunks made of 2X8s or 2X10s, covered in indoor-outdoor carpet. Never exceed the recommended weight capacity of your lift. 73″ Black Vinyl Bunk Pad; End Caps; Delivery: Loose Beam/Freight; No rusting or wood rot. Size. V- Cradle use for inboard boats allowing for the drive shaft that runs down the middle of the bottom of the boat. You will need one set of 4 pontoon bunk brackets. The bunks should be 3 to 4 inches wide, and the length should be long enough to cover the distance between the two rearmost crossbars on your trailer. Install longer boards than you think you need, load the boat to its normal position, check your tongue weight and adjust boat position as well as location and height of the front winch mast if needed, mark the bunks for trimming, aft even with the transom and up forward where. On the other hand, if the distance is less than 10 feet, 12-foot bunks should be sufficient for your. H PAGE 21 OF 27 Make sure nothing on lift can cause damage to boat. The 13 1/2 ft. All other things being equal, this can result in higher speeds — some estimates run 10 to 15 percent higher — versus a conventional V-hull. This boat lift is for a Malibu Wakesetter 24 MXZ 6. looking at the ones on Lakeliving's lift, they would work to. A. The cable winds up bringing the beams upward. It sounds like the manufacturer is saying that if you bought 4 more of what you already have for bunks, you could have a small v-bunk under each toon. Measure from the bow of the boat to the stern, making sure to take into account any features that may affect the length. . My trailer has carpeted bunks that the boat sits on, so that's a pretty large a. Extruded Aluminum Bunks. Please call us if you have any questions! Additionally, the boat lift is proudly made in the USA, adhering to high-quality standards and supporting the local economy. How much does a boat lift cost?Extra Large Marine Boat Trailer Bunk Carpet (15ft X 16in) - Marine Carpet - Bunk Padding Carpet for Boat Trailers Jet Ski Ramp Garage Dock - Bunk Board Boat Trailer Carpet for Runners. They are covered with a non-abrasive vinyl and come with bracket hardware. We offer Vertical, Hydraulic, Pontoon and PWC boat lifts with a wide array of accessories to suit nearly. 8 inch Heavy Duty 3/8 inch Thick Bunk Bracket Galvanized L-Type for Boat Trailer Bunk Boards. Then I did as 98 Shabah did his. Captain Rod's. 10' VINYL CAPPED ALUMINUM BUNKS- The 10' vinyl capped aluminum bunks perfectly cradle your v-hull boat while it is sitting on the boat lift. 11' Aluminum / Vinyl Hull Bunks - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. Loosely bolt the swivel brackets to the end of each upright. Then lowered the boat on to the cribbing. Choice of aluminum bunks or setup for wood bunks. ) Repeat for the front. Galvanized Cradle Beam is used for boat cradles in a boat lift. Products That. 4 find that height from the bottom and measure the distance side to side on the back of your boat. For more information: ShoreMaster, LLC. The Coastal Series Overhead Tritoon Boat Lift is a top-of-the-line lifting system designed specifically for tritoon boats. All lifts come standard with galvanized drive pipes. The pads are designed to be spaced three feet on center, about two feet between pads. The CE Smith V-Wing Bolster Bracket for Pontoon Boat Trailers # CE26244G referenced in your question is designed for boat trailers but can be used on your boat lift. STANDARD 10'' ULTRA BUNKS - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. Available in capacities of 2,200 - 7,000lbs. INFLATABLE BOATS and RIB’s. The very bottom of the V nestles in the bunks (about 1-2" above the cradle) but if you figure 14" draft you're still looking at a minimum of 21-22" of. Your lift should accommodate the water in which you boat, so your home port is a key factor in choosing a lift. Carpet on my bunks put scratches in my hull and I hate that. View. Capacity, 120" Inside Width Boat Lift Shown with 26' Canopy with Premium 18oz. I have my dock team coming today to replace all 4 cables on the lift ( maintenance measure as this new Parker is 2000 pounds heavier loaded w/ ice/ fuel. All RGC Marine Docks and Lifts come with a 15-year limited warranty on aluminum materials and workmanship in freshwater applications. RGC has been manufacturing quality boat lifts and docks in the United States for over 70 years. With that configuration (and Provided you don't back the trailer too far into the water) the boat will center itself. 58 - $1,634. HydroHoist offers the UltraLift Series and HarborHoist models for Wake/Surf Boat styles. 1 Measure the height of your bunks. Also the side arms had to be detached and turned over to make the lift accommodate the tri toon compared to the v hull. Here you can view our selection cantilever and vertical Hydraulic Boat Lifts for standard v-hull boats, pontoons, tritoons and more. 1. In this video, we explain the standard options for this line of vertical bo. Tracking skegs look like upside down dorsal fins and are located on the under side of the boat. The Ultra Bunk includes two individual aluminum extrusion bunk rails covered with a non-abrasive vinyl. 09-22-2021, 07:14 PM #2 H20 Toie. Fast quiet operation guaranteed. The general rule of thumb is to adjust either rollers or bunks as low as possible and still keep the boat free of fenders and or the road. The SS-V40120HY is the newest Hydraulic boat lift offering by ShoreStation. The front is slightly tighter than the back. Galva Lift 12' Wide V-Hull, Heavy Duty Poly Tanks, All Bushings. But will you actually need a special lift for one more toon?The 13,000 lb. The boat should rest slightly on the blocks. PREMIUM BOAT LIFT OPTIONS. PRODUCT DETAILS: Vinyl covered aluminum bunks Available in 8', 11' and 14' Lengths This homeowner wanted the ability to bunk two different boats on the same lift. Slowly walk your boat on the first time then set up lines that hook to the lift and the boat in the same place everytime. The 239 has that stepped section on the forward part of the hull, and the bunks will need to be outside of that and against the flat of the hull between chines. V-Hull cradles come with alu-minum bunks standard. 00. Adjust the keel rollers. So with that knowledge i placed the pontoon on the lift with the end of the buck five inch from the end of the tube last weld. Craftlander Aluminum Bunks are a great option for replacing you old carpeted lumber bunks on your existing CraftLander boat lift. If you would. $6,900 with Pontoon Bunks or $6,700 for V-Hull Boats Used Shore Station 1,500 lb. ' ULTRA BUNKS - This configuration is well suited for single hull designs including flat bottom, round bottom, and deep-V hull designs. CRAFTLANDER 10FT ALUMINUM & VINYL HULL BUNKS. Retail: $31. Just wondering how you properly (safely) lift a boat off its trailer to do any kind of work on the bottom of the hull. pre-drilled sch. The 4-inch aluminum bunks are made for an 8-inch I-beam. These bunks are mounted with bolts to angle iron brackets, and the angle iron brackets are bolted to the lift frame, allowing the bunks to swivel so the top of the bunk can be adjusted to sit flat on the hull, the long way. We also have pontoon bunks available. ShoreStation's new 3000lb capacity, 108" wide boat lifts are available with an all aluminum platform and stainless steel cables and fasteners. This device automatically self-centers the boat or yacht hull on the bunk supports. With a weight of 200 lbs. 3. With vinyl and wood bunk options availabe for v-hull, pontoon and tritoon boats; there is a perfect fit for your specific needs. The ultimate boat lift parking system comes standard with 4 pairs of guide-in bumpers. This standard hull bunk kit allows you to add full length carpeted hull bunks to your boat lift and works for lifts up to a 4500 lb capacity. I tried to keep it quic. 68. ShoreStation - 14ft - HA-0022 Ultra Bunks. Choice of aluminum bunks or setup for wood bunks. Adjust the bunks so the chines on your hull are resting on the bunks. Maybe ask the boat transporter on here how they would treat one if moving it long distance- that is much harsher treatment than the boat resting on a lift for a week or 2. capacity Ultimate Lift installed in a slip within a boathouse with. He said he asked the engineers and this is what they said. The Tritoon Bunk Kit with 4-inch bunks is designed to convert your 10,000 – 13,000 lb 4-piling boat lift into a tritoon boat lift. Boat Lift Canopy Covers;. Unlike a trailer, you won't be driving the boat on or off of the lift bunks; so you won't be rubbing the hull against either the vinyl or carpet. Made from marine grade 6061-T6 US aluminum. Aluminum/Vinyl bunks are. Create New Topic. Vertical Boat lift oreaterco *1031123 - Hardware Box 4/5000 DVS Lift*The bunks on your lift need to be moved closer together, effectively raising the boat above the i-beam. 18. Aluminum Pile Mount. Jan 25, 2010 #2. SIDE MOUNT KITS INCLUDE:. comIn this video we will show you how easy it is to adjust. These 12' Aluminum Hull Bunks come standard on the 6,000 lb capacity lift. Our 5000 lb Shallow water floating boat lift can operate in as little as 24″ water, ideal for bass fishing boats. Modern pontoon lifts are built stronger and larger to accommodate the extra size that pontoon boats have compared to other boats or PWC lifts. Dec 11, 2018 #43. These bolster brackets are designed specifically to support pontoon boat trailer bunks. The best part is that this DIY uses all the readily available supplies – 2’’ PVC schedule 40 pipes, 2’’ conduit, brackets, concrete, and wood. New Posts FAQ Register Login. Our kits include everything except for the lumber. Topic: Configuring boat lift for Boston Whaler 21 Outrage : dnh: posted 08-31-2007 09:20 AM ET (US). 05-18-2016 09:05 AM. Join Date: Sep 2004. Nov 21, 2009 #4 Re: Bowed trailer bunks The pvc V at the front, is designed to keep the bow from scraping the trailer frame during launch and load only. Depending on the lift you choose, you have the option of using: Two Sets of Hull Bunks - only supporting the boat with the outside toons using a dual set of vinyl and aluminum bunks. The roof keeps rain, sun, snow and ice and other debris off the boat. Frequent Contributor. Fax: 866-942-6349.