How long should bunk boards be

Click to see full answer. Finally got around to doing the conversion.

Since your boat is 16 Long you will want at least 8 of bunk boards but I recommend going with two of the 5 Bunk Boards CE27820 on each side of the trailer.

How long should bunk boards be. Depends on hull shape and how the bunks are supported. 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 the bow curves up and away from the wood. How long should bunk boards be.

The general rule of thumb is that you want your bunks to extend completely to the stern rear of the boat or even and inch or two beyond. Click to see full answer. Ideally you want bunk boards that are at least 50 of the length of your boat and want the to run from the stern and as far forward as you like.

Since your boat is 16 Long you will want at least 8 of bunk boards but I recommend going with two of the 5 Bunk Boards CE27820 on each side of the trailer. Bunk Board Length The board should be twice as long as from the middle to one end and that end should be directly under the transom. As Outsider suggests that.

Ideally the bunk boards should be at least half as long as your boat and run from the stern or a few inches beyond it to the bow as far forward as you like. Due to shipping restrictionscost on over-sized items the longest bunk boards we carry are the CE Smith. They should be exactly this long.

Finally got around to doing the conversion. Things werent as cut. There isnt an exact length of bunk boards that are required for pontoon boat bunks but in general around 75 percent of the length of the boat should be the length of the pontoons and youll be good.

So for a pontoon boat that measures 16 feet your best bunk length would be right at 12 feet. It should be known there are only 2 boards that are 9 12 long. No other bunk boards or centering rollers exist.

Just need know if I need to raise the left side bunk board or lower the right side bunk board. I am unclear on how the geometry of how the boards impact the ride height of the boat. Have the chock style too.

385 center to center 77 total left to right across for the chock centers. I beams horizontal support are 5 spaced giving me 16 lift. Boards extend 8 off back That is sturdy for sure.

Correct on the 385 from center. Are those 2 X 4. Jan 14 2021 4 M Mozekian Well-Known Member Messages 214.

For bunk style guide-ons such as CE27600 the bunk board and boat should only barely touch if at all. There isnt a hard and fast rule that says it should be this many inches. But since guide-ons are not meant to support weight like a regular bunk you dont want it so close that the boat could damage the system but they have to be close enough to.

Spacing between deck boards provide a few critical functions. Can I use 26 joists for a deck. 26 joists should only be used on ground-level decks that do not require and will not provide for any guards.

Most decks use 16 on center spacing for joists. Most decking is not strong enough to support longer spans than 16. To fit a boat to the trailer make rough measurements to allow the boat to sit straight and level on the trailer then crawl under the trailer and position each bunk making sure that the bunks or rollers are positioned next to not under strakes or other protrusions from the bottom that the transom is well supported and that bunks are located under the interior stringers as well as any other areas needing.

The bunk is 24 long. I can not tell if it is one piece of wood. If it is where do I get a 24 2x4.

Bruce Jill Grandparents of Norman and Francis - Back from CA Now in OH 20 mins away Grandparents of Owen Hazel and brand new Eve - In OH 20 mins away. Copyright 2021 Boat trailer Bunks - All Rights Reserved. This website uses cookies.

We use cookies to analyze website traffic and optimize your website experience. After some research I settled on CE. Smiths 5-foot Bunkboard Guide-Ons 18149 which feature adjustable carpeted bunkboards supported by 112-inch diameter pregalvanized steel square uprights secured to the trailer frame with 38-inch diameter zinc-plated U-bolts.

The bunks can extend as far forward as you like really but I think youll find that about half the length of the boat is usually enough as the front of the boat is generally supported by the bow stop on the trailer. For a 12 foot boat like your Porta Boat I would go with 6 foot long bunks like the CE27840 for a pair. The spacing from bunk to bunk is important but you also need to remember that the hull has a V to it.

A 30 spacing from bunk to bunk might be good if the bunk sits vertical the 4 dimension of a 2x4 is vertical. If the 2 dimension is vertical you may not have enough clearance and the hull could scrap the trailer cross member. How Long Should Jet Ski Bunks Be.

As a rule of thumb the bunks on most stock jet ski trailers are 6 feet long. However not all trailers are the same so you may find some with longer 65-7 feet or even slightly shorter bunks. Based on experiences 6-foot bunks work well for most production jet skis.

Jun 24 2003. The original bunks on mine were cedar and lasted about 10 yrs. Original owner of my Tournament TX17 said the painted Trailstar trailer rust out in a year of salt water use.

He replaced it with a Caulkins galvanized trailer. Strength wise most boats wont care where they sit on a bunk. Make the bunks straight.

The inside edges may need to be tapered to fit the vee. Some do it and others dont. I see tapers on 4 wide bunks and no taper on 2 wide ones.

For the last 30 yrs Ive use cables attached to lifting eyes on my boat instead of bunks. Purchase new pressure treated 26 boards a little longer than the distance between the two end bolster brackets. For example if your bolster brackets are over 9 apart and less than 12 apart purchase 12 long 2x6s instead of 10 long.

Its better that the bunks are a little too long than barely long. Pontoon Trailer Bunks and Coverings. Most pontoon trailers have 2 x 4 wooden bunks.

They are usually lag bolted from beneath through the bunk brackets into the wood. Most companies use full length bunks. One single piece of wood but some companies use only 8 bunks sometimes butted together or sometimes separated.

The bunks should be situated just inside those chines. I do have one question about what you are trying to do. I am not sure whether you will be using rough cut 2 by 8s or lumberyard 2 by 8s which the true dimensions are actually 1 12 by 7 12 inces.