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Sea Rover AT-57 - History

Sea Rover AT-57 - History

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Sea Rover

(AT-57: t. 199, 1. 121'; b. 24'6", dr. 14'; s. 10 k.; cpl.
20; a. 1 3", 2 mg.)

Sea Rover (SP-1014)—a tug built in 1902 by the Fulton Iron Works, San Francisco, Calif.—was purchased on 11 December 1917 through the United States Shipping Board from the Shipowners and Merchants Tugboat Co., San Francisco, Calif., and commissioned on 31 January 1918, Lt. (jg.) F. M. Cook, USNRF, in command.

Sea Rover sailed from Mare Island on 11 February towing three barges to the Atlantic coast. She underwent repairs at Norfolk and served briefly as station tug at New London before arriving at Bermuda on 18 May 1918 to serve in the same capacity there.

As her machinery was considered too unreliable for convoy work, Sea Rover remained at Bermuda for over a year, primarily engaged in towing in the harbor and near the islands. However, on 2 September 1918, Sea Rover sailed to escort destroyer Barry (DD-2) to Charleston, S. C. Barry released the tug on 3 September and directed her to return to Bermuda; but, on the following day, Sea Rover ran into a hurricane. During the next two days, the ship cracked a seam in a fuel tank, developed a severe list which caused her to send an SOS, and finally took refuge in the Bahamas on 7 September. Bermuda did not hear of her arrival there and, after an unsuccessful search, reported her lost at sea on 9 September. Sea Rover later underwent repairs at Jacksonville, Fla., and returned to Bermuda on 14 October.

Sea Rover again left Bermuda on 10 May 1919 to escort 40 subchasers to Charleston, S. C., but arrived there herself on the end of a towline due to a boiler failure. She returned to duty at Bermuda on 10 June, but was detached from duty there on 1 July. Departing Bermuda on 14 July, she towed a gunnery target to the west coast and arrived at San Francisco on 27 September. There she was drydocked and then laid up in reserve with a caretaker crew. Sea Rover was designated AT-57 on 1 July 1920. She was decommissioned on 4 March 1921, struck from the Navy list effective the date of her final sale, and sold on 25 February 1922 to R. W. Greene, San Francisco. She remained in service with the Shipowners and Merchants Tugboat Co. until scrapped in 1949.

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navigation lights: Yes, compass: Yes

Electricity/ Motor Holiday Mansion 360 Sea Rover Houseboat Diesel

battery: Yes, 1x107 cv Volvo(Diesel)

Deck equipment

bilge pump: Yes, fire extinguisher: Yes, Anchor: 3, fenders: Yes

Comfort / Interior

oven: Yes, fridge: Yes, shower: Yes, bath: Yes



Excellent cruising boat, spacious living afloat. 36' SEA ROVER by Holiday Mansion. Boat uses about 2 gph @ 7 mph.

This boat has new panneling, cabinets, flooring, plumbing, out-drive & prop, bottom paint and is excellent shape, not Bristol but close! (You could eat in the bilge it is so clean.) 107 hp. Volvo diesel w/ outdrive gives good economy and handling. Has a caverous forepeak and lots of other storage. 40 gal. fresh water & 9 gal waste, 70 gal fuel, 5 gal propane tank and 5 gal. HWT. Complete w/ Honda generator, smart charger & inverter. No soft spots! Has huge chrome cleats, swim platform, anchors and rode, dock lines, roof mounted A/C, large bathroom with generous shower. The berth is either 2 twins or 1 King + hide-a-bed in saloon! It has all the ancillary stuff and is turn key ready to go!

This listing is new to market. Any reasonable offer may be accepted. Submit an offer today!

We encourage all buyers to schedule a survey for an independent analysis. Any offer to purchase is ALWAYS subject to satisfactory survey results.

Take a look at ALL ***63 PICTURES*** of this vessel on our main website at POPYACHTS DOT COM. At POP Yachts, we will always provide you with a TRUE REPRESENTATION of every vessel we market. We are a full-service brokerage company, ready to assist you in purchasing any boat anywhere! Please allow us to be your eyes and ears on the ground and assist you with your next vessel purchase. Thank you for visiting and we look forward to speaking with you!

Information from the shipyard catalogue. This data could vary from the data about the boat on sale published by the advertiser,

Benthic Rover, Benthic Rover

Send that data right over. The absolute coolest gadget to hit deep-sea science is is the Benthic Rover, the deep-sea equivalent of the Spirit and Opportunity. The Benthic Rover, the brain child of deep-sea biologist Ken Smith, and brought to life by engineers at the Monterey Bay Aquarium Research Institute, is approximately of small compact car. The rover slowly creeps (3 feet per minute to minimize kicking up sediment) across the seafloor taking photographs of the animals and sediment in its path. Every three to five meters it stops and makes a series of measurements on the community respiration (i.e. oxygen consumption) of organisms living in the seafloor sediment. The rover is also totally tricked out with an optical sensor that can scan the seafloor to measure how much food has arrived recently from the surface water. Why? To try to understand of how deep-sea organisms acquire enough food to survive…a favorite question of mine as well. In the words of the press release

Most life in the deep sea feeds on particles of organic debris, known as marine snow, which drift slowly down from the sunlit surface layers of the ocean. But even after decades of research, marine biologists have not been able to figure out how the small amount of nutrition in marine snow can support the large numbers of organisms that live on and in seafloor sediment.

The Benthic Rover makes its way across the deep seafloor during a trial run in 2007. The "brains" of the vehicle are protected by a spherical titanium pressure housing. The orange and yellow objects are made of incompressible foam, whose buoyancy makes the Rover light enough underwater so that it won't sink into the soft deep-sea mud. Image: © 2007 MBARI

A series of foam packs make the 3,000 pound vehicle semi-bouyant at just 100 lbs in seawater, to prevent the rover from sinking in the soft oozy mud that dominates the abyssal plains. Tank-like treads keep the vehicle moving across the sediment and custom-made titanium pressure spheres house the computer and electronic needed to drive the vehicle. Best yet the bad boy is programmable. Here’s your mission, come back to me when you have some data!

Image credit: (c) 2007 MBARI The Benthic Rover on the seafloor off Central California

However, during this summer the Benthic rover was tethered to newly created Monterey Accelerated Research System (MARS), an underwater observatory that provide power and data link to the vehicle. “Hooking up the Rover to the observatory opened up a whole new world of interactivity. Usually when we deploy the Rover, we have little or no communication with the vehicle. We drop it overboard, cross our fingers, and hope that it works.” In this case, however, the observatory connection allowed MBARI researchers to fine tune the Rover’s performance and view its data, videos, and still images in real time. Sherman recalls, “One weekend I was at home, with my laptop on the kitchen table, controlling the vehicle and watching the live video from 900 meters below the surface of Monterey Bay. It was amazing!”

What is an AUV?

The REMUS 600 AUV on the deck of NOAA Ship Okeanos Explorer. Image courtesy of B. Eakins, CU Boulder and NOAA NCEI. Download image (jpg, 97 KB).

AUVs are unmanned underwater robots akin to the Curiosity rover NASA uses on Mars. As their (autonomous) name suggests, AUVs operate independently of humans. Unlike remotely operated vehicles (ROVs), which are tethered to a service vessel, AUVs have no physical connection to their operator. Rather, AUVs are programmed or controlled by operators who may be on a vessel or even on shore, who tell an AUV where, when, and what should be sampled. AUVs carry a variety of equipment for sampling and surveying such as cameras, sonar, and depth sensors. Unlike ROVs, which transmit video via their tethers almost instantaneously to a control room on a ship, an AUV stores all data, including images and other sensor data, on onboard computers until it can be retrieved after the AUV is recovered at the end of a dive.

AUVs can range in size from only a few hundred pounds up to several thousand pounds. They may glide from the sea surface to ocean depths and back or they may stop, hover, and move like blimps or helicopters do through the air.

Fully autonomous operations carry power onboard. Power enables propellers or thrusters to move an AUV through the water and is necessary to operate sensors on the AUV. Most AUVs use specialized batteries, although some AUVs have used fuel cells or rechargeable solar power. Certain AUVs, such as gliders, minimize energy demands by allowing gravity and buoyancy to propel them.

AUVs are attractive options for ocean-based research. They can reach shallower water than boats can and deeper water than human divers or many tethered vehicles can. Once deployed and underwater, AUVs are safe from bad weather and can stay underwater for extended periods of time. They are also scalable, or modular, meaning that scientists can choose which sensors to attach to them depending on their research objectives. AUVs are also less expensive than research vessels, but they can complete identical repeat surveys of an area.

Scientists use AUVs to create maps of the ocean floor, record environmental information, sense what humans have left behind, identify hazards to navigation, explore geologic formations, document shipwrecks, and more.

Sea Rover AT-57 - History

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Boat plans from Science and Mechanics and Boat Builder Handbooks. Plans for Hydroplanes, Sailboats, Inboards, Runabouts, Canoes, Kayaks and many other boats.

This is a FREE user supported site. An online library. To contribute just send an "E-mail".

There are a few plans that have CAD drawings that users have provided. The few cad files that are available (".dwg" and ".dxf" files) can be viewed and printed with a most cad programs. A FREE viewing only program is available at sourceforge.net . If you need to view them and dont have a renderer then you can get the latest version you find there. Its no longer being updated but used to work pretty good.

The ".png", ".jpg", and ".gif" files are best viewed and printed from your favorite photo editor. After you have followed the image link to the point it is no longer a link and is taking up the entire web page, Save "The Image File" on your local machine by right clicking on the big image you want to print and select "save image as".

If you dont find the boat you were looking for in this library, your local public library may have an issue of the magazine with your boat in its archives.

Sea Shell & Lighthouse Cruise

Join Rover Tours for a 4 hour cruise through a bird-watcher's paradise by South Carolina's oldest lighthouse, the Georgetown Light (1811), that lit the way for two centuries of seafarers. You will then be able to explore and beach comb where the sea unfolds her secrets, depositing an ever-changing array of shelling opportunities.
Read more.

Historic Hobcaw Barony Cruise & Hobcaw House Tour

China rover sends back first images from surface of Mars

The Zhurong is expected to spend about three months on the planet to study its surface soil and atmosphere.

Solar panels against an alien landscape, ramps and rods pointing at the horizon of Mars – China’s Zhurong rover has sent back its first photographs of the Red Planet after its history-making landing over the weekend.

The rover was carried to Mars on the uncrewed spacecraft Tianwen-1 on Saturday, in the first successful probe landing by any country on its first mission to the planet.

It will study the planet’s surface soil and atmosphere and look for signs of ancient life.

The China National Space Administration on Wednesday published the images taken by cameras attached to the rover, which showed the obstacle-avoidance equipment and solar panels on the vehicle, as well as the texture of the planet’s surface.

An image taken on Mars showing the planet’s surface by the Chinese rover Zhurong [China National Space Administration via Reuters] “People of the internet, the Mars images you’ve been longing for are here,” the space agency said in a social media post sharing the images.

Zhurong, named after a mythical Chinese fire god, arrived a few months after the United States’s latest probe to Mars – Perseverance – and has been celebrated in China as a milestone in its ascent to space superpower status.

It is expected to spend about three months on the planet taking photos and harvesting geographical data.

China has come a long way in its race to catch up with the US and Russia, whose astronauts and cosmonauts have decades of experience in space exploration.

It successfully launched the first module of its new space station last month.

A screen broadcasts a CCTV state media news bulletin, showing an image of Mars taken by the Zhurong rover [Thomas Peter/Reuters]

The Raids

Detail of carving on one of the sledges found in the Oseberg Ship burial, Shows a man grappling with serpents. Norway. Viking. c 850 AD. (Photo by Werner Forman/Universal Images Group/Getty Images)

Vikings were literally sea rovers or pirates. Viking warriors were known as Berserkers. Berserker’s were known for their fierceness and boldness, Black shamans who went into altered states before going into battle. The Norse Vikings who invaded England were described in chronicles as Black Men. The Black Vikings raided Iona, Ireland in 795, In 852 they would attack the city of Athcliath, (modern-day Dublin). In 867 the Black Norseman would take the city of York and establish a permanent presence in England. In 1018 the Norseman who arrived in Kiev, Russia were described as Danes. “The Danes then were like Moors- Black like them too- David MacRitchie- Ancient and Modern Britons volume 1 pg 121. Author William Gershom Collingwood describes the invading horde in his book “Scandinavian Britain” as Swart-Black and Gold Adorned.

Watch the video: Iconic Ships: The Mauretania (June 2022).


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