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trailer ratings are based on what?

trailer ratings are based on what?

trailer ratings are based on what?

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trailer ratings are based on what

Trailer Size

Federal law requires that a trailer display its GVWR (Gross Vehicle Weight Rating).

which is the total weight the trailer is rated to carry, including the boat, engine, gasoline (six pounds per gallon), water (eight pounds per gallon) and gear.

Boat Transportation & Trailering

Roll Your Boat – All About Trailering


Mention a skipper’s boat, and he or she is liable to talk about itsgraceful sheer, its quickness, the way it handles, or the clever use of space below.

Mention a trailer, and the first thing that comes to mind is convenience. While the marina-based boat is restricted by time, distance, and the weather, a trailered boat can be transported just about anywhere—lakes, oceans, bays, or inlets–in the span of a weekend. Hurricane coming?

Put the boat on its trailer and head inland. Too cold? Head south

But convenience is only part of a trailer’s appeal. When you consider the money saved on slip fees, bottom paint, and blister repairs, it’s easy to understand why trailer boating is so popular.

Boating on a highway, like boating on the water, requires some attentiveness and know-how.

That’s what this brochure is all about. Boats go aground in the water. Boats can also “go aground” on a highway.

Negotiating stoplights, potholes, slick spots, and manic vacation traffic while towing a cumbersome trailer and boat takes practice.

Trailers, like boats and automobiles, require TLC to keep them rolling. But no amount of maintenance will help a trailer that is too small, or otherwise inadequate.

for the boat it will be towing. The first step, then, is to choose a trailer that is most likely to get you and your boat where you want to go, despite potholes and vacation traffic.

Part I: Selecting a Trailer

With a modern boat, the choice of a trailer is often left to the dealer, which means bunkers or rollers will be positioned properly to provide maximum support.

It is a no muss, no fuss deal for the buyer. He or she has to rely on the trailer dealer, however, and dealers have been known to unload inventory that may not be entirely suited to your needs.

In this case, it helps to know what your needs will be and what options are available to meet those needs.

Trailer Size

After spending a small fortune to buy the boat of your dreams, it may be tempting to skimp a little on the trailer. Don’t. A trailer that is too small is more than just an inconvenience, it’s dangerous.

Federal law requires that a trailer display its GVWR (Gross Vehicle Weight Rating), which is the total weight the trailer is rated to carry, including the boat, engine, gasoline.

(six pounds per gallon), water (eight pounds per gallon) and gear.

Some experts suggest that as a margin of safety the total weight of the boat and gear be no more than 85% of the trailer’s GVWR. Don’t confuse the GVWR with the GAWR.

which is the load carrying capacity of an axle – its Gross Axle Weight Rating. On single axle trailers.

the GVWR and the GAWR are the same. For tandem-axle trailers, the GVWR is equal to twice the GAWR.

Single vs. Tandem-Axle

While they cost more and require more upkeep, boat owners who have traded-up to tandem axle trailers almost always report that they are pleased with the results, especially with larger boats.

. For one thing, tandem trailers handle better, with better tracking and less tendency to fishtail.

The extra wheels also mean a much smoother ride and safer handling in the event of a blowout.

The size of the tires—larger is better—also contributes to the smoothness of the ride.

It is usually easier to find replacements for larger tires, although you shouldn’t make the mistake of substituting an automobile tire for a trailer tire. Trailer tires have thicker sidewalls.

Submersible or Float-on Trailers vs. Roll-Off Trailers

Submersible trailers, which allow the boat to float free when the trailer is submerged, have the advantage of being easier to use, at least for beginners.

The disadvantage is that submersible trailers require more upkeep and a steeper ramp for launching.

Some trailers tilt to create a steeper launch angle but are usually unwieldy for all but the smallest boats.

Roll-off trailers may be easier to maintain, but they are also more expensive-about 20% more.

And for the inexperienced trailer owner, roll-off trailers can be more difficult to use.

A skipper in Michigan who said he had used a submersible trailer several times still managed to do several hundred dollars worth of damage to his new boat when it rolled too quickly off his new trailer and bashed onto the concrete ramp in shallow water.

As a general rule, rollers make launching and retrieving easier.

while pads provide better support for the boat. Many trailers now use a combination of pads (at chines) and rollers (at keels) to optimum advantage.

Paint vs. Galvanized

Many manufacturers offer a choice of a galvanized steel or painted steel trailers.

The painted trailers are fine for freshwater but are vulnerable to corrosion in saltwater.

Galvanized trailers cost slightly more, but require less maintenance, especially if they will be dunked in saltwater.

Painted trailers are sometimes painted to match the boat, which is nice.

With galvanized trailers, one expert suggests painting it with bright colors, especially colors that clash, so that it will be easy to identify. Not a bad idea.

The BoatU.S. Marine Insurance claim files have shown that a boat on a trailer is far more likely to be stolen.

If you were a crook, which trailer would you steal: one that looks like every other trailer on the road or one that looks like a painted circus wagon?

Trailer Brakes

In many states, trailers with a GVWR of 1,500 pounds or more are required to have brakes on all wheels.

Most automobile manufacturers suggest trailer brakes be used with even lighter weights.

There are two basic types of brakes on trailers: surge brakes and electrically-activated brakes. Most trailers have surge brakes.

Trailer Hitches

Trailer hitches are rated in four classes according to the weight (GVWR) they will be pulling: Class I has a maximum capacity rating of 2,000 pounds; Class II has a maximum rating of 3,500 pounds;

Class III has a maximum capacity rating of 5,000 pounds; and Class IV has a maximum rating of 10,000 pounds. The weight of your boat, trailer, and gear should never exceed this capacity.

Another Consideration: The Tow Vehicle

A tow vehicle’s engine, transmission, cooling system, tires, and rear springs are all stressed by the additional weight of a boat and trailer. Considering that the average price of a new tow vehicle starts at about $20,000.

it behooves the trailer boat owner to be mindful of the vehicle’s towing capacity and to select a vehicle with a towing capacity that is at least several hundred pounds greater than the weight you intend to pull.

Part II: Trailer Maintenance

Three things dictate how often a trailer needs to be inspected: where it is used;

just to complicate the discussion, might be the quality of the trailer itself.

Trailer Brakes

Surge brakes must be adjusted periodically. You’ll have to jack the wheel off of the ground and then use a tire tool to first tighten the adjustment cog all of the way until the wheel won’t turn and then back it off a few turns until the wheel again turns freely. If you do the job yourself, follow manufacturer’s recommendations.

Trailer Tires

A blown tire can be more than just an inconvenience. According to the BoatU.S. Marine Insurance claim files, neglecting tires is one of the most frequent causes of trailer failure–broken axles and even spilled boats.

Spare Tires, Hassles, and Highway Theft

Considering what is at stake, it is surprising how many skippers do not carry a spare tire for their trailers. Trying to find someone who can fix .

(or replace) a blown trailer tire can be a hassle, to say the least, but there is also a considerable risk that while you’re searching for a gas station someone will steal the boat.

Trailer (promotion)

A trailer (also known as a preview or coming attraction video) is a commercial advertisement, originally for a feature film that is going to be exhibited in the future at a movie theater/cinema. It is a product of creative and technical work.

resource: wikipedia

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