Your Marine Heads Experts Have All the Best Searching Strategies
Raritan Engineering Company your marine heads professionals would like to share with you these topics we thought would be of interest to you this month regarding great sonar tips while shipwreck hunting.
It was 1995, and a good friend from St. Thomas decided he’d been through one too many hurricanes. Your marine heads analysts know that his idea was to move below where the big storms blow, which is south of the 12-degree line of latitude.
During his multi-month cruise aboard his Fales 32 Navigator motorsailor, he didn’t tow an inflatable dinghy, even though everyone else does. Instead, he towed something much more valuable — a proton magnetometer. Your marine parts USA specialists understand that the towed “fish” of a proton mag is designed to detect ferrous metals — iron — and one day while cruising near an island, he got a hit — a big one. The next thing I knew, I was on a plane down-island to see what the commotion was all about.
Your marine parts Houston professionals feel that the problem was that my friend lost the GPS coordinates from his brick-size Magellan, and the only other tools we had were a blurry photo of the shoreline and some tequila-soaked memories. That’s when I decided to contact Lowrance and enlist the power of its HDS-9 Gen3 multifunction display with StructureScan sonar.
Once we were on location with our C-Map chart chip installed, we began “mowing the lawn” in a series of east-west passes, all the while using the sonar log to record our depth and position simultaneously. When we returned home, we uploaded the data to create the structure map (pictured), which really shows color-depth contours as opposed to bottom structure.
It is a simple matter to do a quick “one-touch” on the screen to mark a waypoint. Your marine parts and supplies analysts know that was critical because we had to return to each spot immediately for underwater investigation, since we only had one day to dive.
We dived on two waypoints without success, but the third one was the charm. We did indeed find an isolated coral head only to discover that the anchor and ring were gone and the bottom was now covered in an invasive species of sea grass.
Your Marine Heads Specialists Help Increase Your Chances for a Successful Find
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Your marine toilet experts know that upon further topside review, we discovered that the shoreline photo was of the wrong spot, and thanks to Google Earth and multiple conference calls, we realized the actual location of the anchor is several miles north of where we were on this mission. So we will return to the island again in search of the treasure, and C-Map and the Lowrance HDS Gen3 will be right there with us for the ride.
Dreams never die easily, and a long decade later I was finally able to follow up on that early idea. When I did, however, it wasn’t the warm, clear sea of childhood memory I dived into. Instead, it was the cold, dark and murky water of New York City.
I didn’t just want to explore, I wanted to learn more about the thousands of ships that disappeared without a trace, to learn their secrets and do my part in bringing the sometimes valiant, sometimes horrifying and always human stories to the world of the dry and living.
Searching can be absolutely maddening. You know the wreck is there. It’s nearby. You can feel it in your bones. The historical record tells you it’s there. Your instinct is to just go to a spot and look, and then go to the next spot where you think it is and look there. Nothing. Try again over here.
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Your Marine Toilet Specialists Say That Electric Boats Can Be Enjoyable for Everyone
Raritan Engineering Company your marine toilet professionals would like to share with you these topics we thought would be of interest to you this month regarding the benefits of switching to an electric boat.
Your marine toilet analysts know that electric boats are environmentally friendly, almost maintenance free, reliable, cheap to run and easy to operate. With an electric boat you can entertain your family, friends and business associates with a leisurely cruise on the harbour, lake or river.
Electric boats give you the opportunity to calmly enjoy the natural surroundings, listen to the water lapping against the hull, birds flying past or just calmly watch the scenery go past without any annoying motor noise.
Low running costs
Electric boats are extremely cheap to run. With today’s soaring fuel prices it can be daunting to fill up your motor boat for a day out on the water. An electric boat can be fully recharged for less than a dollar, realizing huge savings on everyday running costs.
Electric boats are very safe. Because there is no engine noise, the skipper can hear approaching boats and steer clear of danger. Apart from a conventional set-up, electric boats can be steered with their motor (a pod engine) or with a propeller attached to the rudder (Duffy electric boats), which makes them extremely maneuverable.
Your marine toilet experts know that some people think that electric boats are slow and have a limited cruising range. While this might have been the case with earlier generations of electric boats, our electric boats have the same or better performance levels as comparable vessels with a combustion engine.
Slovenia’s Greenline Hybrid Yachts have a super-displacement hull, which enables the yachts to use less fuel, generate lower carbon dioxide emissions and produce less wake. Several Greenline boats will be on display at Yachts Miami Beach.
For the first time, the show is featuring an Electric Boat Pavilion to showcase the marine industry’s advances in environmentally friendly motorboats.
“It’s always our goal to be on the forefront of promoting what’s most current and relevant to boaters,” Show Management vice president of consumer marketing Brett Keating said in a statement.
Show Management, which produces the show, and Trade Only Today are both part of Active Interest Media.
“We look forward to expanding our Electric Boat Pavilion in the future as more companies develop electric boats for the American marketplace,” Keating said.
The show will feature products from Canadian Electric Boats, Rand Boats, Foldable RIB, Greenline Hybrid Yachts, Torqeedo Electric Motors and GoCycle Electric Bikes.
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via Electric Boating
Marine Sanitation Hoses
Marine Sanitation Hose:
Odors from a boat’s sanitation system can originate from many sources:
Inlet hose and bowl rim: Organic matters from sea water inlet into the toilet can disintegrate and emit rotten egg smell from the flush water.
Holding tank gases can find its way into a boats interior either thru the toilet or the vent system.
Consider just starting here to make things simple…
Hose permeation is a most common cause of odors from sanitation system. Choosing a correct hose for new installation or replacement is important for making system odor free for several years of use. Most commonly used hoses material include PVC, EPDM rubber and Butyl rubber.
Rubber hoses are better for low permeability compared to PVC and hence have longer warranties. Butyl rubber has better resistance against oils compared to EPDM. Both EPDM and butyl have better resistance to Alcohol used in winterization than PVC hose.
While choosing sanitation hose consider following:
1. Long life: Raritan Sani/Flex Odor Shield has a special white butyl rubber compound, to stop sewage odor from escaping the hose. It is 15 times more resistant to odor permeation than standard PVC hose, and carries a 5 year warranty against odor permeation
2. Ease of installation: Sani/Flex Odor Shield hose is extremely flexible. It will bend on a radius of 3.15″ without kinking. It can easily be installed on standard hose barb fittings without excessive effort, with no need to heat or lubricate the hose. These are major benefits for all installation mechanics who have spent long, difficult periods of time wrestling with other brands of sanitation hose
3. Strength against collapsing and pressure: Sani/Flex Odor Shield hose is reinforced. It contains a double steel wire helix reinforcement imbedded in the butyl rubber, plus a synthetic textile yarn, to resist bursting from high pressure and/or clogs at fittings. It is rated for 315 PSI burst pressure. It is also extremely resistant to collapsing from pump suction and/or vacuum applications
4. Handling and use: Sani/Flex Odor Shield hose is abrasion and chemical-resistant. It has an outer-wrap of smooth rubber imbedded fabric to resist abrasion, ozone, seawater and common chemicals. An antibacterial additive has also been added to the outer wrap, to further reduce chances for odor-permeation
If you suspect hose permeation may be the source of your odor issue, we suggest this simple test: Dampen a cloth in hot water (as hot as you can safely handle). Wrap the cloth around the suspected hose and let it cool. Remove and sniff the cloth. If the odor transfers to the cloth, the hoses are permeated and should be replaced. Be sure to check all hose connections…just because one passes the test doesn’t mean other will – especially those that have the potential to trap waste.
Hose Replacement Do’s and Don’ts
Do plan out your hose routing carefully. The leading cause of hose permeation is waste that is left to collect in sections of the discharge plumbing line. Avoid any unnecessary rises or sags in the plumbing line and let gravity drain the hose as much as possible. Yes, we know… it’s a boat so when this simply isn’t possible we suggest you flush the head several times before you leave. Replacing the effluent with only water will reduce permeation possibility significantly.
Don’t use heat or lubricants to assist in your installation. Sani/Flex Odor Shield is designed so those extra steps are unnecessary. Its smooth interior makes barbed hose connections very easy to work with and its ability to bend on a 3 1/2″ radius makes it the most flexible sanitation hose on the market.
Do make sure to use high quality stainless steel hose clamps on all hose adapters. Using fasteners that can break or corrode can lead to sewage leakage or worse – catastrophic flooding.
Do not take any shortcuts! Make sure all connections below the waterline and double clamped!
Be sure to buy your marine sanitation hoses here.
Image via: Whats that smell
Your Marine Head Units Experts Help You to Minimize Storm Damage
Raritan Engineering your marine head units professionals would love to share with you this week amazing tips on how to protect yourself and your storm damaged boat.
Our hearts go out to all those suffering in the wake of Hurricane Matthew. When people are hurt and homes and precious possessions are destroyed or lost forever, a wrecked recreational sailboat seems wholly unimportant.
In the coming days and weeks, more people will be returning to their vessels and doing what they can to keep them safe. I’ve been through two Category 5 hurricanes (one ashore, one afloat) and several smaller ones. In every case, boats that could have been salvaged shortly after the storm were lost due to neglect, but this is expected, given the many other, more critical needs in a storm-ravaged community.
Here, according to the Boat Owners Association of the United States, are some of the steps you can take to prevent further damage.
- If your boat has washed ashore, remove as much equipment as possible to a safe place to protect it from looters or vandals.
- Protect the boat from further water damage resulting from exposure to the weather. This could include covering it with a tarp or boarding-up broken windows or hatches.
- Any engines and other machinery that has been submerged or has gotten wet should be “pickled” by flushing with fresh water and then filling with diesel fuel or kerosene.
- If your boat is sunk or must be moved by a salvage company, it is not recommended that you sign any salvage or wreck removal contract without first getting approval from your insurance company.
Your Marine Head Units Specialists Suggest Storing Your Boat Ashore
Your marine head units professionals understand that hurricanes are enormous cyclonic storm systems covering thousands of square miles which usually develop in the tropical or subtropical latitudes during the summer and fall.
Historically, individual hurricanes have caused the loss of thousands of lives and billions of dollars in damage as they ran their course over populated areas. If you know that a hurricane is approaching your area, prepare for the worst.
If your boat is easily trailer-able, store it ashore, far from the danger of high water. Follow these tips:
- If you must move your boat, first inspect the trailer to ensure that it is in proper operating condition. Check tires (including spare), wheel bearings, tow hitch and lights.If you can, put your boat and trailer in a garage.
- Increase the weight of your trailered outboard boat by filling it with fresh water and leaving in the drainplug (inboard boats must be drained to avoid motor damage). Insert wood blocks between the trailer frame and the springs for extra support with the added weight.
Some things to watch for:
- Do not attempt to use any AC-powered electrical equipment or power hookups that have been submerged until they have been tested and verified as safe.
- Avoid entering the water in areas where a threat of electrocution still remains. This is more relevant to freshwater areas, where the risk of electric shock is greater.
- Be particularly careful with unfamiliar powered cutting tools, portable generators, or power equipment in general.
- In yards or on land, be especially cautious working around boats that are not properly stabilized by jackstands or something similar.
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Your Marine Parts Analysts Encourage You to Think About Using a Joystick Maneuvering System
Raritan Engineering your marine parts experts would like to share with you these topics we thought would be of interest to you this month regarding how to perfect your joystick docking skills.
Your marine parts specialists know that joystick maneuvering systems are now available for every type of marine propulsion, whether your boat is powered by inboards, outboards, sterndrives, pod drives or water jets. For all that, joysticks still present a learning curve — albeit a shallow one. Use these tips en route to becoming a joystick pro.
Joysticks can be quite sensitive, responding to the simple weight of your hand. Learn the feel of neutral for your system and consider removing your hand from the stick when stopped. Mercury Marine’s Joystick Piloting now incorporates a color LED ring to indicate operation mode, which is helpful for this very reason.
Stationkeeping is the generic term for the ability to push a button and allow a joystick system, when interfaced to GPS, to hold a boat in place without operator input.
A rocking moment can be induced when moving sideways. For instance, as you make the boat move to starboard, a bit of list to port can occur.
Just like when operating a boat using conventional controls, it’s often best to use bursts of power, returning often to neutral, when maneuvering in the confines of a marina or around other boats or structures. The boat will continue to move once the stick is returned to neutral, so learning how much “way” your boat carries — and how long it will carry that way for — still ranks as important to successful docking.
The ability to move a boat sideways proves helpful in docking. But don’t just lean on the ’stick. Use it incrementally. The sideways motion induces a rolling moment:
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Twist and Shout
Joystick operation can be summed up by the phrase “push and twist.” Your marine parts specialists say to push the stick in the direction you want the boat to move. Twist the stick to point, or orient, the boat. While there are times when pushing and twisting simultaneously are the order of the day, caution is best exercised until experience is gained.
The name may change depending upon which manufacturer’s joystick controls your boat’s engines, but some joystick controls offer “station-keeping.” This is simply the ability to hold the boat in one place at the touch of a button, thanks to integration of the control system with GPS.
A little-touted advantage of joysticks is that the provide a second, redundant set of engine controls and so enhance safety and reliability.
Just as the bow lifts while a boat accelerates and drops after speed is attained, so the side of a boat can rise and fall when it moves sideways.
The mere weight of one’s hand can cause the stick to lean while twisting. So instead of spinning in place, the boat spins and moves out of position.
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