The rotor ship Buckau was originally built as an auxiliary sailing schooner in 1920, she was converted in 1925 as the first rotor ship using Flettner Rotors. These modern sails are now being used as wind assist systems on dozens of ships, and are projected in some cases as the principal propulsion of a number of vessels currently in the design stage.

Flettner Rotors work on the principle of the Magnus Effect, which is what causes baseballs to curve when thrown. Flettner Rotors also provide much more thrust from the same surface area when compared to traditional sails.

The tests with Buckau were successful, and the idea caught on to a degree. While Backau was only 600 tons, thus a small ship, others were later launched after her tests, including the 3,000 ton Barbara. Anton Flettner wrote a book about his inventions which is now available on Google Books, and in it details that he had taken a sailing excursion as a young man to Australia, which inspired his maritime endeavors.

There were a number of smaller experiments with Flettner Rotors in the early 20th century, but the collapse of shipping rates in the 1920s did not provide an incentive for building more ships. It wasn't until the Oil Crisis of the 1970s that more research was poured into the idea, and until the early 21st century not many Flettner Rotors were installed or used. However, they are now considered one of the best options for wind-assist retrofits on all kinds of modern vessels.

​Buckau proved that rotors are a viable form of propulsion nearly a century ago, and now they are being put to regular use in the pursuit of decarbonizing shipping. These types of pioneering efforts are not frequent, but they are capable of changing what the future of sail will, quite literally, look like.

Editor’s Note: The following text is a verbatim transcription of an article featuring stories by Captain William O. Benson (1911-1986). Beginning in 1971, Benson, a retired tugboat captain, reminisced about his 40 years on the Hudson River in a regular column for the Kingston (NY) Freeman’s Sunday Tempo magazine. Captain Benson's articles were compiled and transcribed by HRMM volunteer Carl Mayer. See more of Captain Benson’s articles here. This article was originally published ​ February 18, 1973.

One day back in February of ‘36 I took a drive to Bear Mountain where the steamboats “Onteora” and “Clermont” were layed up for the winter.  I planned to pay a visit to my friend John Tewbeck, who was the mate on the “Clermont” and acting as shipkeeper for the two steamboats.  He had been second Mate with my brother, Algot, when Algot had been first Mate of the “Onteora” back in 1921.
           
It was an overcast day and looked as if a snow storm might be in the making.  Sure enough, after I arrived aboard the “Clermont” about 2 p.m., it started to snow.  John had to go on an errand to Highland Falls and suggested I wait until he returned.  After he left, I took a walk around the two steamboats, all dark and still in their winter hibernation.
           
As I stood in the silent, cold pilot house of the “Onteora” I couldn’t help but think how it must have been there in the day when the “Onty” was new, back at the turn of the century, and running for the old Catskill Evening Line to Catskill, Hudson, Coxsackie and other up river landings. 

I could almost see the ghosts of Captain Ben Hoff and the Pilots and quartermaster during the early morning hours discussing the political events of the day, as pilot house crews are wont to do.  Perhaps talking about Teddy Roosevelt’s campaigns against Judge Alton B. Parker in 1904 and in 1912 against Wilson and Taft. 

Boyhood Memories
Then my thoughts wandered to the early 1920’s when the “Onteora” had been converted to an excursion steamer and was running between New York and Bear Mountain.  How as a little boy I would visit my brother and be sitting enthralled in that same pilot house.  On one such visit, I remembered looking out the port windows and seeing the steamer “Poughkeepsie” of the Central Hudson Line running up river at about the same speed as the “Onteora,” getting a little too close.  And Captain Hoff saying “Come on, Amos (meaning Captain Amos Cooper of the “Poughkeepsie”), get over there.”
           
Now, however, all was still and quiet in the pilot house and the only sound was a train on the New York Central going up the east side of the river at the foot of Anthony’s Nose.  How the steam would “siss” across the cold, icy river.
           
I then leisurely walked back on the “Clermont” and went through her cold, silent engine room.  The bright work and moving parts of her engine were all covered with black grease as protection against the onslaught of winter’s rust.  Up in her pilot house, it sure was cold with the snow falling outside.  The brass was all tarnished and dark.  By that time, dusk was falling and the now was coming down heavier.  I couldn’t even make out the Bear Mountain bridge or the aero beacon on top of the Nose. 
           
John Tewbeck came back and said, “Well, Bill I guess you will have to stay here tonight as the roads are very slippery.” So I stayed aboard the “Clermont” all night.  On the second deck, in one of her former staterooms on the port side, John had two cots and a small stove.
 
Rattling Windows
During the night, how the wind rattled her windows and how the “Clermont” creaked and groaned as she tugged on her mooring lines.
           
It was very snug and comfortable that winter’s night in the “Clermont’s” cabin with the reassuring dull red glow from the coal fire in the small stove.  How nice and warm it was to lay in bed and dimly see the lights up in Bear Mountain Park and the snow plows going along the highways very slow with their red lights blinking their warning signals.
           
About 3 a.m. I woke up and dressed.  John, somewhat taken aback, said, “Where are you going at this hour?” I answered, “I’m going to take a walk around the boat to see how it is this hour of the morning in a snowstorm.”
           
After giving me his flashlight, which I took, John said, “I guess there is only one Benson like you in this world.” I replied.  “Well, I will never again have this opportunity to stay all night and walk around a passenger boat tied up at Bear Mountain, so I thought I’d take advantage of it.” John retorted, “Well, Bill, enjoy yourself, while I sleep in this warm bed.”
 
Cold on Deck
I went out on deck.  It was bitter cold, but the snow had lightened up considerable.  I could now clearly see the Bear Mountain highway bridge and the aero light atop the Nose.  How different the river looked all full of ice and snow.
           
I went up to the dark, still pilot house of the “Clermont.” There was something about it that drew me there.  Although it was very cold, I couldn’t help but think of how it must have been in that pilot house in seasons past when the steamboat was alive. 
           
Things were all hustle and bustle with passengers out on the decks, and perhaps the “Clermont” might be going into Stockport on a warm summer's morning with all the pilot house windows and doors open to catch the warm breezes. 
           
Finally, the cold brought my thoughts back to the present and that warm bed and coal stove on the second deck.  John was fast asleep and in a few moments so was I.  About 7 a.m. I awoke to the aroma of freshly brewing coffee and frying ham and eggs.  It was indeed pleasant to eat breakfast by the warm fire and look out on the snow covered park with the sun shining brightly.
 
Recalling That Night
About 10 a.m. I left for home.  After that I went to visit John a number of times, but never again did I stay overnight.  In 1946 he died of a heart attack and the “Clermont” herself was broken up in 1949.  A number of times in years later when going by Bear Mountain on cold and stormy nights, I would think about that night in February 1936 and recall my pleasant winter visit to the layed up steamboats.
           
​I remember an editorial that once appeared in the old New York Herald Tribune when the Day Liner “Washington Irving” was finally sold for scrapping.  The writer observed that of all inanimate objects, ships and steamboats seemed to be endowed with a life of their own and have friends.  I know the truth of the writer’s words, for this was my feeling for the “Clermont” and “Onteora.”

​On the bitter cold winter night of December 16, 1835 a fire caused by a burst gas pipe ignited by a coal stove broke out in lower Manhattan and burned for hours. The gale-force winds spread the flames rapidly across 17 city blocks. The frozen East River and Hudson River hampered the fire-fighting efforts. 

More than 600 wood frame buildings were destroyed. The Hudson River Brick Industry flourished during the rebuilding process as more durable brick replaced the former wooden buildings. Watch at www.hrmm.org/lecture-series for upcoming Follow the River Lectures in 2023 to learn more about the Great Fire and the Brick Industry. Come visit the brick exhibit at the Hudson River Maritime Museum.

​Listen as The History Guy gives more details.

The 1970s Oil Crisis saw a major revival in interest around Sail Freight, which coincided with the bicentennial of the American War of Independence, itself a trigger for renewed interest in traditional crafts and tall ships. As part of this whole scene, Folk Music also experienced a rise in popularity, and in this particular song, you have these threads all combined.

While the lyrics are certainly dated, they do encapsulate the spirit of their times, and a seed off which we build today. Folk tunes are always changing, and the lyrics could be modified just slightly to be far more inclusive and encouraging in a modern context. I propose the following as a candidate, for those interested in recording an updated version: "Sailing ships and sailors 'gain will sail the open waters... so all you brave windjammers climb your way into the rigging..." The verses will all need a bit of work as well, but that's not a terribly hard task either.

We construct our world through the stories we tell, and as I once heard it said, all stories aspire to be songs. We could use more of these types of stories and songs in the face of the challenges we face today.

LYRICS:
You can see the squares of canvas dancing over the horizon
You can hear the chanty wailing to the heaving of the men
You can feel the seas up to your knees and you know the sea is risin'
And you know the clipper’s day has come again
To the men on high the bos'n's cry commands a killing strain
’Til every mother's son begins to pray
With a hearty shout she comes about and she heads into the rain
And the ship has never seen a better day

Sailing ships and sailing men will sail the open water
Where the only thing that matters is the wind inside the main
So all you loving mothers keep your eyes upon your daughters
For the sails will mend their tatters and the masts will rise again

Wooden beams and human dreams are all that make her go;
And the magic of the wind upon her sails
We'd rather fight the weather than the fishes down below;
God help us if the rigging ever fails
As the timber creaks the captain speaks above the vessel's groans
'Til every soul on board can hear the call
It's nothing but the singing of the ship inside her bones
And this is when she likes it best of all

Sailing ships and sailing men will sail the open water
Where the only thing that matters is the wind inside the main
So all you loving mothers keep your eyes upon your daughters
For the sails will mend their tatters and the masts will rise again

Where the current goes the clipper's nose is plowing fields of green
Where fortune takes the crews we wish them well
Where men could be when lost at sea is somewhere in between
The regions of a heaven and a hell
Well they're sailing eastern harbors and the California shore;
If you set your mind to see them then you can
As you count each mast go sailing past you, prouder than before
Then you’ll know the clipper’s day has come again

Sailing ships and sailing men will sail the open water
Where the only thing that matters is the wind inside the main
So all you loving mothers keep your eyes upon your daughters
For the sails will mend their tatters and the masts will rise again

Sailing ships and sailing men will sail the open water
Where the only thing that matters is the wind inside the main
So all you loving mothers keep your eyes upon your daughters
For the sails will mend their tatters and the masts will rise again
So all you loving mothers keep your eyes upon your daughters
For the sails will mend their tatters and the masts will rise again.

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                                                       Poughkeepsie
The tale of the steamboat “Poughkeepsie” is the story of a vessel that is still in service- although today the name “Westchester” has replaced “Poughkeepsie" and she is no longer a familiar figure on the Hudson river.

The steel hull of the “Poughkeepsie” was built by the Tampa Foundry and Machine Company at Tampa, Florida, in 1916. Her hull was 206 feet 8 inches long, with an overall length of 215 feet; breadth of beam 47 feet; depth of hold 14 feet 2 inches; gross tonnage 1,366; net tonnage 948. She carried a triple expansion engine with cylinder diameters of 18 1/2, 28, and 46 inches, with a stroke of 30 inches.
           
The “Poughkeepsie” was built for the Central Hudson Steamboat Company of Newburgh, and was the largest steel steamboat built south of Virginia yards up to that time. She was launched on September 25, 1916, and was delivered to the Central Hudson Company at New York in April 1917. The hull of the “Poughkeepsie” was or extra heavy steel construction with reinforced frame below the water line for the purpose of battling river ice during the winter months. The first deck was used exclusively for freight, the second deck containing staterooms which would accommodate 32 passengers, aft of the pilot house. The new steamboat represented an investment of a quarter of a million dollars at the time she joined the fleet consisting of the “Benjamin B. Odell,” “Homer Ramsdell,” and “Newburgh.”
           
The first route of the “Poughkeepsie,” under the banner of the Central Hudson Steamboat Company, was between Rondout and New York, running in line with the “Benjamin B. Odell.” She was under the command of Captain Amos Cooper, with William Ross, pilot, and Howard Caniff, chief engineer. During the period in her career she became very popular with the traveling public, especially as an excursion vessel during the summer months.
           
In May 1929 the Hudson River Night Line and the Hudson River Dayline jointly purchased the Central Hudson Company’s steamboats, and then the “Poughkeepsie” and the “Benjamin B. Odell” were placed on the night line between New York and Albany. These two steamboats made their last trip on the night line late in November 1936, and were then withdrawn from service.
​

Measurements were taken of the “Poughkeepsie" for the purpose of conversion into an excursion vessel, and on January 13, 1937 she was transferred to the Meseck Steamboat Company who immediately solicited bids for her conversion. On February 4, John A. Meseck, president of the new owners of the “Poughkeepsie,” announced that the Tietjan and Lang yards had been awarded the contract for the re-construction at a cost of $169,780.
           
The name “Westchester” replaced “Poughkeepsie”, and the re-vamped vessel made a trial trip on May 15, 1937 with a thousand guests aboard. On Memorial Day, 1937, the “Westchester” entered regular service between Jersey City, New York, and Rye Beach.
           
Today the “Westchester” is considered to be the finest equipped excursion vessel in New York harbor, with a licensed carrying-capacity of 2,000. She still carries the deep, booming whistle which echoed from the Highlands of the Hudson when she sailed on the river under the name “Poughkeepsie,” but she rarely plows the waters of the Hudson. Occasionally she appears on a moonlight excursion on the Hudson river, but her regular service keeps her in and around New York harbor, and the steamboat “Poughkeepsie” no longer exists in the pages of Hudson river history.

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With dismantling now almost complete, little that is recognizable remains of the once noted Hudson River steamboat "Berkshire", latterly "USA 1000". Wrecking operations on her superstructure have been in progress at Philadelphia since last fall when the vessel was towed from Norfolk by her present owners who purchased her from the Navy. Soon nothing will remain of what was once the world's largest river steamer, and one of the largest sidewheelers ever built.

In 1906, with plans by J.W. Millard & Bro. completed, the contract for "Berkshire's" construction was given by the People's Line to W. & A. Fletcher Company, of Hoboken. They sublet the hull work to the New York Shipbuilding Corp. and made plans themselves to build the engine. Joiner work was placed with C.M. Englis.

The People's Line at that time was part of the Consolidated Steamship Company controlled by C.W. Morse, and several other vessels, notably "Yale" and "Harvard", were being built for the same interests. It is said that Mrs. Morse suggested naming the new vessels after colleges. In any case, the steel hull of the new People's Line vessel was launched at Camden, N.J. 21 September 1907 as the "Princeton", a name she never carried in active service.
​
Shortly after launching, the hull was towed to Hoboken where the engine was installed. Work stopped when the panic of 1907-8 brought about the downfall of the Consolidated Steamship Company, and "Princeton" lay at the Fletcher Docks for at least two years. She was then towed to a point on the Hudson River near Saugerties where she remained until 1912 when work was resumed. Early in 1913 construction was completed and the magnificent new steamer commissioned "Berkshire". She made her trial trip 20 May 1913, and two days later went into regular service on the Hudson River Night Line between New York and Albany. The Company advertised that she had cost $1,500,000.

"Berkshire's" dimensions and accommodations caused much comment in the newspapers and the marine press. She definitely was impressive, measuring 4500 tons, with an over-all length of 440 feet. Her breadth was 88 feet over guards, and her depth of hold 14 feet 6 inches. She had five passenger decks above the hull, designated main, saloon, gallery, upper gallery and observation. Her dining room on the main deck aft was nearly 100 feet long and had French windows opening out onto the deck where tables were sometimes placed in good weather. Her 450 staterooms and additional berths provided accommodations for nearly 2000 passengers, and the capacity of her freight "hold" on the main deck forward was enormous.

The vessel's engine, one of the largest of its type ever built was a single cylinder surface condensing beam engine of 5000 horsepower. The cylinder was 84 inches in diameter and the stroke 12 feet. Paddle wheels were 30 feet in diameter each having 12 curved steel buckets. "Berkshire" was capable of a speed of 18 – 20 miles per hour..

The year 1914 saw "Berkshire's" only serious accident. On 9 August she was forced to anchor off Dobbs Ferry on the down trip because of fog. Near her, also at anchor lay "Rensselaer" and "Frank Jones". Suddenly out of the fog loomed the southbound "Iroquois (a) Kennebec of the Manhattan Line. Too late, her pilot saw "Berkshire's" stern dead ahead, and a moment afterward she crashed into the latter's dining room and two decks above. Fortunately, "Berkshire's" hull was undamaged, although her steering gear was put out of commission. "Iroquois," in sinking condition, was pulled loose by "Rensselear" and "Frank Jones" after about two hours work and convoyed down river. "Berkshire" remained at Dobbs Ferry until her rudder could be repaired, after which she proceeded to New York. Despite her damaged condition, she went back into service the next day.

"Berkshire" ran regularly for the Hudson River Night Line through good years and lean. She usually alternated with "C.W. Morse" (b) "Fort Orange" until that steamer was retired in 1930. Later she ran opposite the smaller "Rensselaer" and "Trojan", and in the last few years of her career had "Trojan" alone as consort.
​
With the Night Line stumbling from one financial difficulty to another in the 1930's, "Berkshire's" trips became more and more irregular. Finally, after 1937, she was tied up at Athens and "Trojan" carried on alone for a couple more years. "Berkshire was finished. Residents along the river had heard her deep whistle for the last time. No more would they signal for an answering flash from her big searchlight, nor watch her pass through the narrow reaches of the upper river, her tiers of decks and giant smokestacks towering above everything along shore.

Early in 1941, "Berkshire" was sold by Sam Rosoff, final owner of the Night Line, to the U.S. Government as a floating barracks. In February she was towed through the ice to Hoboken by the Coast Guard cutter "Comanche". Nothing further was done with her until June when two Moran tugs took her in tow for Bermuda. Arriving there, she was anchored in St. George's Harbor, painted a dull green, and put to use as a powerhouse and barracks for workers at Kindley Field Army Air Base.

The war over, "Berkshire" returned to the United States at the end of a towline late in 1944. There were rumors that she was to be placed in service again, but these were soon disproved when an inspection at Norfolk revealed that her superstructure had been badly damaged by heavy seas on the return trip. She was sold to Bernard Maier and towed to Philadelphia for scrapping.
​
The world will probably never see another vessel like "Berkshire", but she will be long remembered for having been the largest river steamboat in the world.

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