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U-BOATS VANISH AS CONVOYS LOOM UP > By Herman Whitakcr Author of "Tlte Planter" "The Set? tler" "Over the. Border," Etc. (Copyright, 1918. The N. Y. Tribun*? Association ) OUT in the harbor a thirty vessel convoy was moving up to its anchors. The hiss of steam and rattle of the winches car? ried across the water and up the hill to whore, from the office windows, the , base admiral watched the departure. His gaze centred on one ship, a tine steamer, which with her cargo of '. 12,000 tons of meat was worth fully i $3.000,000. Her potential value, however, far exceeded that figure, for the meat stood for human flesh ?the flesh of women and children in France and England; for the thews and sinews of millions of sol- \ diers who must be well fed if the world was to escape the German yoke. The ship was commanded by a . Scotch skipper, an admirable char? acter, upright, courageous, self-re? liant, the finest of seamen, but un? fortunately hard in the mouth. Be? fore the convoy system was estab? lished he had voyaged a score of times through the submarine zone, winning his way to safety by sea- ' manship and daring. A torpedo had \ once shaved his bows. Another had ; almost clipped off his stern. He had | fought half a dozen artillery bat- '? ties and gotten away with it. All of which had raised his opinion of j himself and his ship fairly close to omnipotence. He hated the naval j discipline of convoys as much as I their slow speed and had bolted them twice. The fact was in the base admiral's mind when he turned to his chief of staff. McGregor Had Bolted Twice "McGregor, down there, has bolted twice. I have advised his owners to replace him, but they won't. Sooner or later if he isn't stopped the U boats will get him. Radio N-to watch him closely." The order was duly noted by the senior commander of the destroyer group that escorted the convoy to sea, and when his chief executive reported a few hours later that Mc? Gregor was edging out of his column the destroyer went after him like a dog in charge of a bolting sheep. i "Who do you think you are, any- I way?" the senior commander! "bawled him out" through a mega- j phone. "The Lord High Admiral, hcin-h? Try that again and I'll put an officer on your bridge and rec? ommend that your papers be can? celled.'* "That ought to hold him," he re? marked to his chief executive, as McGregor came back to his line. "But I'll bet you the old chap is raving. His crew will need to step lively during the next few hours." And raving McGregor surely was. If printed here his remarks, as afterward reported by his crew, would burn a hole in the page. He, a master of twenty years' standing, to be ordered about by a damned Yank! He that had outfought, out? witted, outrun more U-boats than the entire American flotilla had seen in the course of its operations! He with a sixteen-knot ship to be held down to an eight-knot crawl! Put an officer on his bridge, would they? Cancel his papers, hey? And so forth with profuse marginal notes and profane trimmings. When the Fog Lifted He Was Missing If a plausible excuse in the shape of a fog that fell like a thick gray blanket over the convoy had not been furnished, these fulminations no doubt would presently have sub si(le*4. He would hardly have dared violate such specific orders. But when the fog lifted toward evening the convoy was scattered over the seas to the horizon and came scutter ing back like frightened chickens in response to the destroyers' radio clucking?all but McGregor, who was out of sight. Next news of him came in an agonized call from a point just over the horizon. "I'm torpedoed! Sinking! Sub? marine shelling boats! Come at once!" Too late! On the wide and lonely ocean that had just engulfed that fine ship with her sorely needed food, the potential flesh of thou? sands, they found two shell-torn boats full of wounded and dying men. In the crestfallen, troubled man v/ho sat in their midst it was diffi? cult to recognize the old hard mouth who had raved on his bridge a few hour?s ago. He was repentant, of course, but the tears that squeezed out of his hard eyes and washed the iron furrows of his face could not restore that fine ship with her sorely needed cargo nor heal the wounds of his crew. From one point of view his conduct was criminal. I have heard men call for him to be hanged. Yet it was natural?-in ?aired bx th? same spirit that has kept a thousand of his kind voyag? ing those dangerous seas, the same spirit that had brought him and many another like him off best in U-boat duels, the same spirit that animated that fine old skipper of the North Sea who with both legs fliOt off and his vessel sinking or? dered his crew to throw him and the code books into the sea together. So let us allow his repentance and permit the incident, unfortunately cue of many, to serve to illustrate at once the merits and faults of the convoy system. The Convoy and Merits of the System Its merits, taking them first, have been abundantly proved by the de? crease in mercantile sinkings since the old patrol system was aban? doned. Under the latter the de? stroyer and patrol fleets were scat? tered like pawns over a vast checker? board that ruled off the British home waters, across which mer? chant vessels moved from one check to another. Though they were hunted incessantly, the U-boats managed to pick up in these days somewhere between thirty and fifty ships a week. But after Allied ship? ping was grouped in convoys and s^nt through the danger zone under destroyer escorts the weekly average fell to eighteen large ships or less and four or five small ones. During the last eight months of 1917, in? deed, the American and British de? stroyer fleets convoyed over 150,000 vessels in and out of Allied ports with a loss of only one-eighth of 1 per cent. Perhaps the best proof of the effectiveness of the convoy system is furnished by the English Channel passage. Through the lanes of destroyers, aeroplanes, "blimps," transports and supply ships have moved for three years with perfect safety. Now an oceangoing convoy is merely a section of Channel pas? sage far out at sea, and if as well guarded is equally safe. A certain number of destroyers to a certain number of merchant vessels has been required for per? fect safety; and that convoys oi thirty vessels with half that numbei of destroyers are practically safe was proved, at least to my satisfac? tion, during a cruise I recently made when a number of our vessel escorted a total of sixty vessels ? distance of 1,800 miles in ten dayi through waters infested with sub marines. To the right and left ahead and astern, U-boats were con stantly being reported. Often w< crossed their courses. No doub they had us under observation mos of the time. But, mark this! W? sank the only one that had th? nerve to attack us and sent its crev of four officers and thirty-six mei back to our base. Another signifi cant fact?while we passed in safe ty unescorted vessels were beinj P? Convoy of ships en route to feed and arm troop: abroad. Copyright, 1918, Underwr Underwood. Above?Wig-wagging signals from one of Uncle S n ubmarines. Copyright, 1918, Under\ ,<i & Underwood. sunk all around us. Five were tor-1 pedoed, indeed, in less than four | hours, three of which went to {he bottom. As a matter of fact, the : bulk of the U-boat weekly bag is taken from unescorted ships. A further advantage is to be found in the fact that no matter how much the German may Increase the num? ber of his submarines, whether an ; attack be delivered by one or more ; U-boats, a properly escorted convoy ' is reasonably safe. If this be true, the question natu? rally arises?why are merchant ships ever allowed to go out alone? The answer is simple?we have not destroyers enough to go around. Were it otherwise the submarine war would be over. In the mean time, till we get enough, the Ameri? can and British naval authorities are doing the best they can. By the use of small patrol boats, "blimps" and hydroplanes they manage to keep large areas of home waters safe for local traffic and to keep certain sea lanes open through which fast merchant vessels can es? cape to the high seas beyond the danger zone. Once in a while the U-boats break into these protected areas, however, and though they find it is a costly business that usually weekly record of mercantile sinkings still takes a jump. ?f_._,-.._ let us consider for a moment those of the U-boats. Instead of being as free as the fish, they are com? pelled to operate within quite nar? row lines, while exposed to many risks that do not menace surface craft. Think of the uncharted rocks, tips of undersea mountains, that must project up into the deep lanes along which the U-boat blunders like a blind fish; the mine fields, both British and German, it must avoid; floating mines that have broken from their moorings; the treacherous tides, traps, decoyt?, nets, that make of a U-boat jour 1 ney one long, blind hazard. To these special risks have to be added the unusual sea dangers, storms, fogs, contrary winds and tides. I have heard of one U-boat that strayed into the famous mael? strom/ the giant whirlpood, which was selected by Jules Verne to kill off Captain Nemo and his Nautilus, the terror of the seas, forty years ago. Then think of the war risks? the "blimps," hydroplanes dropping -EH? The famous smoke screen, used to protect ships from U-boats. Copyright, 1918, Underwood & Underwood. Another reason why vessels are j permitted to go out alone touches j the convoy system's chief disadvan- ! tage?it reduces tonnage or carrying capacity, first, by delays waiting for escorts; second, by limiting the speed of fast ships. The ship on which I came from New York to Liverpool, for instance, is a seven day boat. Two others in our con? voy were equally fast. Yet by being forced to take the speed of the slowest vessel, we took sixteen days to cross, time enough for the three vessels to have got back to New York. In other words, less material can be moved under the convoy system than by free ships. Nevertheless, -we cannot get on without it. It is wholly impossible to maintain safe codes with mer? chant shipping scattered all over the world. To control its, routing and divert it in accordance with enemy movements, it is absolutely essential to group it under war vessels. The great reduction, al? most half, in sunken mercantile ton? nage since the adoption of the sys? tem also far more than makes up for delays and lost speed. The limitations and advantages I of convoys being thus understood, their bombs from the sky; the lit? tle patrol boats, always ready to engage in one of those desperate sea duels where no quarter is asked or given ; and, finally, the destroyer, which, because of its swiftness and agility, remains the U-boat's chief foe. So deadly a foe is the latter, indeed, that the* Germans have talked both loudly and long of un? dersea cruisers to chase it off the seas. What Enlarging U-Boats Mean By certain alarmists among us this boasting was given credence? just as the German intended. Mosl of it was manufactured, as a mattei of fact, for foreign consumption The Hun naval authorities are quit? aware of certain limitations tha: make against such a boat. Add ar mor plate to a vessel, and her siz< must be increased to provide mon buoyancy. Increased bulk calls fo: heavier internal structure, heavie engines, heavier gun platforms fo larger guns; larger quarters for ; larger crew; larger fuel and wate ballast tanks; all of which calls fo ^more buoyancy?that is, increase i size, which once more demands ? j more armor?and so on. Such a vessel, if produced, would i present a deeper target for a torpe- ! do than any destroyer, and only one would be required to send her to the bottom. She would stand a poor chance in a stand-up battle with the group of destroyers that are always to be found with a con? voy. She would also require a full 100 feet of water for spfe manosu vring, and would so find it quite difficult to operate among the shoals , and shallows of British home waters ' where her prey would be principally ?found. Lastly, she could only give chase to one vessel at a time; so, on the whole, would be less effective than the present type of U-boats. As two years have passed since the Ger? mans first talked of "undersea cruisers," we can rest assured that after balancing the increased cost in time, labor, money and materials against possible advantages, the Ger? man naval constructors have pro? nounced against them. There is no good reason for us to make a night? mare out of this particular German dream. # As to Diving And Emerging There are also decided limitations in submarine navigation and opera? tion. The popular idea of a U-boat emerging and diving again with por? poise ease is quite erroneous. If she attempts to go down at an angle of more than 12 degrees her bat? tery tanks overflow, leaving her a helpless, floating hulk. Abrupt dives are also very dangerous. A subma? rine commander told me that his hair had often stood on end when, on a quick dive, his vessel went down and down till he thought he could never stop her. Doubtless, many a U-boat has gone headlong into the deeps where the terrific pressure would crush her iron sides like an eggshell. No, once on the surface, a large U-boat would require several min ! utes to submerge, and if she be < seen by a destroyer her fate is al? most surely sealed; for no matter to what depth she may go, the telltale wake floats up to the surface. A depth mine dropped at its head closes the incident. Neither can a U-boat cruise in I definitely under water. Seventy tc one hundred miles is the limit. Aftei that it must come up to recharge its batteries while steaming along th( surface. If it be sighted on emerg j ing with its batteries exhausted, it! situation becomes desperate. Ther< is a case on record of three Germai submarines so caught that laj for forty-eight hours on the botton listening to the chug-chug of thi patrol screws above. Two that trie< to sneak away in the night wer? sunk. The third surrendered. Surface cruising also has it; limits. At low speed a submarine'; radius runs up to 6,000 or 7,00( miles, but a good deal of this mile age is used up in coming and goinj between the hunting grounds ant the base, and if much high spee< work is done in long, stern chasei after fleeing merchant vessels th? mileage is further cut dowa. On the average, a U-boat can stay sway from its base between twenty and twenty-five days. Have Not Got Things All Their Own Way To extend this time limit many attempts have been made to estab? lish supply bases in the hunting waters. Food can be obtained, of course, from captured ships, but fuel comes less easily. One in. genious commander used to cach? barrels of fuel oil and p?;trol, loot from tankers, at the bottom of the sea in a sheltered cove. But one day an insignificant marker buoy fa? the middle of an "oil spot" betrayad him. The customary procedure would have been to carry off the barrels* but, with a flash of genius, the Brit ish commander removed the buna poured a few gallons of picric acjd, a powerful explosive, into each bat. rel, then sank them again. In rac? ing automobiles a few drops of pic? ric acid is sometimes added to the petrol to give it a "kick"; but it his to be done very carefully or the en? gine is liable to be wrecked; so it does not require much imagination to picture the fate of that particu? lar U-boat. Neither does the U-boat have things all its own way in the duels with merchant vessels. It fights, in? deed, at a disadvantage. For where? as a score of shells may fail to put | a fleeing ship out of commission, one well planted shot will send a subma? rine to the bottom, and th?3re is al? ways the danger of the pursued turning like a wounded bull and charging over the pursuer. Again, though German torpedoes have ? range of six or seven thousand yards, shooting is very uncertain at such distances. A U-boat usually tries to get within 2,000 yards of its prey- This, especially in sb-Jts at a convoy, entails greater danger, for the U-boat's position can easily be gauged by the torpedo's wake. A few depth mines dropped around its head are almost certain to do the business. The Ocean Seemed To Be Empty Then rough weather brings 8 pause in the hunting. Rising high, above the deck, the periscope de? scribes a far wider arc than the hull, which thrashes around like a wound? ed whale, making both observation and the sighting of shots impossible. In such weather the U-boats run for a sheltered shore with a sandy bot* i torn and lie there till the storm blows over. During the extremely bad weather last November the U-boat bag fell from twenty-fonr ships to six in the first week and one in the second. All of the dangers and difficult!"? above set forth are intensified by ac? curate reports of U-boat movements from observation stations on land and ships at sea, and while cruising with coir fleet I was astonished bj the number that streamed into oui bridge every day. Position end course were usually given; so be sides drawing the patrois- after then I the reports cause all merchant ship? | to avoid that particular vicinity | They quite accounted for the de spairing note in a radio we picke? up one evening in transit betweei two U-boats: , "Have you seen any ships to-day' The ocean seems to be empty." This commander, no doubt, wa one of those whose pessimistic re ports caused the German govern ment to account for the decrease li the weekly bag in the followini grandiloquent terms: "Enemy shipping has been so d? pleted by the attacks of our invin cible U-boats that it is becomini very difficult to find ships to sink.' This during a week that has seei 4,600 ships sail in and out of Britis ports alone, and probably half a many more from the harbors o Allied nations. Summing the U-boat's potential' ties, we find that it is limited i cruising radius and operations; 1 exposed to extra sea and war risk! is, in fact, a hunted creature?hum1 ed, moreover, so successfully tha the British First Lord was able t report in Parliament: "We are sinl ing 40 or 50 per cent of Germa submarines." The loss of the v? sels, it should be remembered, is af j gravated by that of the torpedo? j they carry. The smaller boats un I ally carry ten ; the larger and ?at? j types about twenty. j The High Cost j Of Torpedoes Now a torpedo is an extrem? | complex piece of mechanism tM j takes months of time and thousand ! of dollars to build. Indeed, the ? ! tire yearly output of the Unit? ! States Naval Torpedo Works befoi the war was only twelve. Accor? ingly, if a U-boat is sunk outw?? bound with a full complement < twenty torpedoes?which happ* quite often?their loss is more se* ious than that of the vessel. It j highly improbable that any U-w goes down without some torpwoe j It is also comforting to know t? an average of four or live torpea? are shot away for every vessel Mjf The twenty vessels sunk pet w? cost the German government j torpedoes alone close on half a m* ion dollars. . Such a mortality in crews, w pedoes and submarines could ott j be justified by a great ?ccompj? ment. Germany has acknowl-M? to the world her hope of winning? war through the submarine e? paign; so with this knowledge-?j chief factors, let us look at to? * uation as it exists at the ew* 1917. "T? BUSINESS ZONING MAY CURE THE STRAPHANGERS DESPAIR By Will T. Gentz LET not the strap-hanger despair. The strap-hanger is also a voter, and Travis H. Whitney, Public Service Commissioner, makes the inference plain that this duality of muscle and mentality can be made I to prove quite eloquent in the solu | tion of Manhattan's most serious problem, Mr. Whitney, speaking of that nearing period when the subway shall be clogged beyond human endur? ance, said: "There is one way, and one way only, out of the difficulty, and it can best be put in the form of a slogan? Manhattan for business; Brooklyn and environs for the industries. "I admit," continued Mr. Whitney, "that such a position is capable of being interpreted, offhand, as radical to the point of Bolshevikism, inasmuch as it means nothing more or less than public control of the location of buildings and industries. Yet analysis of every feature of the situation shows j it to be the only lasting remedy. j "Consider for a moment the ava? lanche of humans that descends daily on shops and offices and factories through the constricted region known as Manhattan?a tumbling, one-way wave that rears itself for two tumul? tuous hours and then buckles back after the day's work in the same re? stricted space of time. "Ever this wave is rolling higher. War's defection of passengers is hav? ing no appreciable effect on the vol? ume, but add to the normal growth of travel the quota that will be thrown back on the subway's resources when hostilities terminate and there you will have, vour problem brought amaos to a head, acutely and clamorously, i Congestion then will be beyond de? scription?and beyond endurance. "Physical means to offset this high tide of travel? Beyond the straighten? ing of the present twisted route into two parallel trunk lines -the Seventh Avenue and the Lexington Avenue routes?there remains little to be done. Perhaps another trunk line running partly under Central Park is feasible, but funds for the construc? tion of such a line could not be amassed until the war drain on finance comes to an end. "When an important industry em? ploying thousands is about to estab? lish itself in a certain locality, and another locality, say in the Browns? ville section of Brooklyn, is equally available, assuredly the latter location, in its very own interests, should be chosen by that industry. Why? Be? cause such a step would aid in coun? terbalancing and equalizing the rush hour traffic that is swinging in the direction that it exclusively takes at the present time. Greater comfort and less delay would result, and effi? ciency experts for the system would find joy in the abatement of the pres? ent virtually, often absolutely, empty cars that rumble back in a long string of trains to pick up the casual back flow passenger?trips that shrivel the possible earning capacity of the sys? tem in the manner that passes issued by a prodigal theatrical manager for a sell-out hight cut in on the profits. "Such a course, too, ought to be pursued by the builders of the big office buildings. Why, one can almost flick the ashes off one's cigar out of ? window in any number of skyscraj I ing buildings downtown onto empty] j lots and slums. With the through ! trains on the new Seventh Avenue line about to be put into operation, the scope of this neglected territory, v/hich is as convenient to the subway as the solidly built-up block from the bridge to the Battery, is widened to an even greater extent. Compared With Building Operation "Let me say, in emphasis of this eon tention, that it requires from three to five years, in normal times, to con? struct a dual subway system, such as the one about to be opened to the public, on which $330,000,000 is being spent," Mr. Whitney told the inter? viewer, in touching on the causes of subway congestion. "Contrast this with the building of a business structure of the proportions of the Equitable Building, which is ready for occupancy in about a yenr and which adds fifteen thousand people to the crush already choking the particular subway station nearest, to it. On the basis of a ten car train, as usually constituted during the rush hours, each of such trains of? fering five hundred seats and carrying again as many standees, it would re? quire at least ten trains to take care of this accession of. passengers alone As thirty-four trains can be run wit! safety in an hour, you see that the occupants of one building of sky scraper dimensions for whose locatioi the subway is in no way responsible can crowd trains for almost half ai hour. "Multiply such an instance by al i the big downtown as well as nptowi office buildings *n mind, and remembe that always the tide of travel flows through the narrowest of confines in one direction?from Westchester, The Bronx, Harlem and Washington Heights to the Bridge "land environs, at either abutment, in the morning, and buckles back over the same route toward even? ing, with the collective load reaching its 'peak' on both trips in a period of two hours of congestion that taxes the equipment of the lines to the utmost. "Try to picture this, remembering that the daily average of passengers carried by the subway is, in round numbers, 1,200,000 people, with a high water mark of 1,500,000, which is four times the number theoretically set for it to handle, and you will have a faint glimmering of the situation." ? These figures, Mr. Whitney stated, were exclusive of elevated records. At the, office of the Interborough it had been learned by the writer that, for the year ending June 30, last, both sub? way and "L" roads carried 763,574,085 passengers, a daily average of 2,001, 984, or 1,134,778 for subway lines and 957,206 for the stilt style of travel. Spreading the Travelling Population "Limitation of the height of build ings, acording to the basic space thej occupy," resumed Mr. Whitney, "is ? great aid in the equalization of th< city's passenger traffic. It will sprea* the travelling population over a wide: area. Legislation to bring this abou has been successful, although under taken without cognizance of its effect on the subway situation. Further leg islation, with this object directly ii view, now must be secured to contre the location of industry and of th tremendous office structures that put! such a heavy impost on the transporta- ! tion lines. With an existing bodv given such power, or a board espe? cially appointed for the purpose, the city can guard itself against growing discomforts and increasing difficulty in reaching places of business in the congested belt. "The clothing industry is at present centred at Madison Square," said Mr. Whitney. "Workers are brought from The Bronx and Harlem along the self? same route that brokers, business men and clerks must travel. They live in those localities because the rent is cheap in comparison to the scale ob? taining in more convenient neighbor? hoods. There is at present the nucleus of a prospering garment manufactur? ing section in Brownsville, to which the new subway extension penetrat_s. Sites for homes and apartment houses abound. A transplantation of that in? dustry to some such spacious section I of greater New York would relieve the ; subway of a quota of passengers thai would make the landlords of a city oi ; the size of Yonkers double their rents and would precipitate a building booir besides. As" sixty' out of every hun dred passengers originating north ol Ninety-sixth Street come from Th? Bronx, and these are for the mon ? part concerned in manufactures, woul? | it not be wise to deflect this maelstron ! by diagonal routes to new factory dis | tricts created where there is room fo | them ? ! On Zoning | By Trades "One of the best things that ha I happened to this city, considering it one big and ever growing problem, wa the location of the Bush Terminal in Brooklyn," said Mr. Whitney, with a show of enthusiasm. "Here is concre'le j proof of the soundness of the argu? ment justi advanced. Thousands of people working there are spared the discomforts of the fearful congestion in the Manhattan lengths of the sub? way. They travel in reverse directions while the rush-hour traffic is at its worst. . "Zoning? Yes, zoning by trades is very important as a first aid measure and as a permanent feature in connec? tion with subway travel. But it does not strike at the root of congestion. Control of location, as just outlined, alone will solve the problem. .It may appear extreme when superficially viewed, but profound thought alons those lines will convince any mine that is analytical and combines visior with breadth. "As to zoning, while it would no abate the mad scramble, all at almos the same hour, it would at least lessei the degree of congestion by spreadinj it over a longer period. There is n< law which makes it mandatory on of fice, factory, store, school or theatr to throw open their doors at a certai hour. The expediency of an adjustabl schedule has been recognized, indirect ly, by the national government. 0 the three Federal shipyards which at join on Staten Island one has set it starting time at 7, one at 7:30 and tt third at 8 o'clock, with quitting tin : to correspond, of course. This th< : did on their own initiative, having i ? mind the comfort and physical wel j being of their.employes?and, natura I ly, the higher state of efficiency i; 1 volved."