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1 ROBOT BOAT SAILS INTO HISTORY BY FINISHING ATLANTIC CROSSING \r
2 (APNEWS.COM) \r
3\r
4 Thursday September 06, 2018 @11:30PM (msmash)\r
5 from the impressive-feat dept.\r
6\r
c715ea02 7 o Reference: 0102637868\r
299a08f3
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8 o News link: https://hardware.slashdot.org/story/18/09/06/1719243/robot-boat-sails-into-history-by-finishing-atlantic-crossing\r
9 o Source link: https://www.apnews.com/f6d0e2a099684468873ab48966590ada\r
10\r
11\r
12 An anonymous reader writes: For the first time an autonomous\r
13 sailing robot has completed the Microtransat Challenge by\r
14 crossing the Atlantic from Newfoundland, Canada to Ireland.\r
15 The Microtransat has been running since 2010 and has seen 23\r
16 previous entries all fail to make it across. The successful\r
17 boat, SB Met was built by the Norwegian company Offshore\r
18 Sensing AS and is only 2 metres (6.5 ft) long. It completed\r
19 the crossing on August 26th, 79 days and 5000 km (3100 miles)\r
20 of sailing after departing Newfoundland on June 7th. Further\r
21 reading: A Fleet of Sailing Robots Sets Out To Quantify the\r
22 Oceans.\r
23\r
24\r
25 ** \r
26\r
27 ** Re:Hard to understand why this would be difficult (Score:4,\r
28 Informative)\r
29 (by arth1 ( 260657 ))\r
30\r
31 \r
32 You're a landlubber, I take it?\r
33 The Atlantic waves are quite an obstacle for a 2m boat.\r
34 Even drifting tar (and garbage) is a problem when you're that\r
35 small.\r
36\r
37\r
38 ** Re: (Score:3, Funny)\r
39 (by Anonymous Coward)\r
40\r
41 \r
42 It is not that easy. If you just start sailing in a straight\r
43 line, you will end up many kilometers above the sea, which is\r
44 no good for a sail boat. If instead you point the boat\r
45 straight at the finish line, you'll be under water for most\r
46 of the trip. Again, not ideal for a sail boat. The earth is\r
47 not flat, you know.\r
48\r
49 ** Re:Hard to understand why this would be difficult\r
50 (Score:4, Funny)\r
51 (by Oswald McWeany ( 2428506 ))\r
52\r
53 \r
54 I've found a FLAT EARTH DENIER !\r
55 I bet you vaccinate your kids and don't believe in lizard\r
56 people either.\r
57\r
58 ** Re: (Score:2)\r
59 (by gnick ( 1211984 ))\r
60\r
61 \r
62 Flat Earth statistic: If gravity is caused by a flat\r
63 earth accelerating at g, it'll reach c after about 1\r
64 year (~354 days).\r
65\r
66 ** Re: (Score:2)\r
67 (by amorsen ( 7485 ))\r
68\r
69 \r
70 > Flat Earth statistic: If gravity is caused by a flat\r
71 > earth accelerating at g, it'll reach c after about 1\r
72 > year (~354 days).\r
73 You are saying that as if it is a problem to hit C,\r
74 like it would be impossible to continue after 354\r
75 days. This is not the case. As long as you only care\r
76 about your own point of view and you're the one\r
77 being accelerated, you can reach as many times C as\r
78 you want (well, have fuel for).\r
79\r
80 ** Re: (Score:2)\r
81 (by gnick ( 1211984 ))\r
82\r
83 \r
84 You also have to decide what "at rest" means. A\r
85 year accelerating at g will put you at your\r
86 current velocity + c.\r
87\r
88 ** \r
89\r
90 ** Re: (Score:2)\r
91 (by lokedhs ( 672255 ))\r
92\r
93 \r
94 Would a flat earther believe in relativity\r
95 though? If simple geometry eludes them,\r
96 what would they do when being faced with a\r
97 Lorentz transformation?\r
98\r
99\r
100\r
101\r
102\r
103\r
104 ** Re: (Score:2)\r
105 (by lgw ( 121541 ))\r
106\r
107 \r
108 > I've found a FLAT EARTH DENIER!\r
109 > I bet you vaccinate your kids and don't believe in\r
110 > lizard people either.\r
111 The earth is not flat - that's just silly. When we ent\r
112 to the moon, and we did go to the moon, we discovered\r
113 the terrifying truth. The MOON is flat!\r
114\r
115\r
116\r
117\r
118 ** Re:Hard to understand why this would be difficult (Score:4,\r
119 Insightful)\r
120 (by hey! ( 33014 ))\r
121\r
122 \r
123 > There really aren't a lot of obstacles to deal with. Just\r
124 > point the boat and go.\r
125 I imagine that's true, if you have an effectively unlimited\r
126 energy, but the terms of this contest is to build a vehicle\r
127 less than eight feet long that can cross the Atlantic.\r
128 That's not a lot of room to stuff with batteries or diesel\r
129 fuel, or to cover with solar panels. And that's the whole\r
130 point. If you could make the vehicle a hundred feet long,\r
131 this challenge would be expensive, but easy. By making the\r
132 boat tiny, you make the challenge affordable, but tough.\r
133 The race has two divisions, sail powered and unlimited, but\r
134 it's hard to see what they had in mind for propulsion by\r
135 having an unlimited division. Possibly some\r
136 seawater-replenished fuel cell.\r
137\r
138 ** \r
139\r
140 ** Bottles with corks have traversed the Atlantic (Score:2)\r
141 (by aberglas ( 991072 ))\r
142\r
143 \r
144 Being small means relative high strength. A solid two\r
145 meter boat should indestructible by waves. No need to\r
146 keep a human alive, nor to go very fast. A very basic,\r
147 fixed, small but strong sail would do.\r
148 Ice bergs could be a problem. Surely better to start\r
149 further south. Longer but safer. Also need to stay out\r
150 of shipping lanes.\r
151 I think this could be done without a computer. Just a\r
152 magnetic compass controlling a rudder. Occasionally it\r
153 would be blown backwards but no big deal. No need to\r
154 worry about po\r
155\r
156\r
157\r
158\r
159 ** KABLAM (Score:1)\r
160 (by fluffernutter ( 1411889 ))\r
161\r
162 \r
163 No concrete barriers in the ocean?\r
164\r
165 ** Re: (Score:2)\r
166 (by zlives ( 2009072 ))\r
167\r
168 \r
169 or pedestrians\r
170\r
171\r
172 ** A small achievement... (Score:2)\r
173 (by Bearhouse ( 1034238 ))\r
174\r
175 \r
176 Sure the Atlantic can be a tough place, but 79 days?\r
177 Single-handed (human) record is 3 1/2 days...\r
178 [1]https://en.wikipedia.org/wiki/... [wikipedia.org]\r
179 \r
180 \r
181 \r
182 \r
183 [1] https://en.wikipedia.org/wiki/Transatlantic_sailing_record\r
184\r
185 ** Re:A small achievement... (Score:4, Informative)\r
186 (by careysub ( 976506 ))\r
187\r
188 \r
189 This is a 2 meter vessel, not a large racing hull built to be\r
190 fast (and nothing but fast). Using the page you link to, the\r
191 most useful comparison would be the single-handed records,\r
192 and the one from 1987 which was about 11.5 days was in a 26\r
193 meter hull! And this is the smallest vessel on the list. You\r
194 are probably not going to get a 2 meter vessel to tear along\r
195 at an average speed of 7.5 m/sec which would be needed for\r
196 that 11.5 day crossing.\r
197\r
198 ** Re: (Score:3)\r
199 (by Solandri ( 704621 ))\r
200\r
201 \r
202 There have been a few sailboats in the 2 meter size range\r
203 which have made the transatlantic crossing.\r
204 \r
205 Hugo Vihlen aboard April Fool (1.8m) in 84 days in 1968,\r
206 though technically he never finished since he was picked\r
207 up by the USCG 6 miles offshore.\r
208 Tom MacNally aboard the Vera Hugh (1.64m) in 134 days in\r
209 1993.\r
210 Hugo Vihlen again aboard the Father's Day (1.62m) in 115\r
211 days in 1993.\r
212 Tom MacNally unsuccessfully attempted the trip again\r
213 aboard a 1.19m craft in 1998. He passed away last year.\r
214 [1]Site with picture [microcruising.com]\r
215 \r
216 \r
217 \r
218 \r
219 [1] http://www.microcruising.com/famoussmallboats.htm\r
220\r
221\r
222\r
223 ** Re: (Score:3)\r
224 (by careysub ( 976506 ))\r
225\r
226 \r
227 Also note that the world speed record for a radio-controlled\r
228 sailing vessel (which was also 2 meters long) is [1]157.65 km\r
229 in 23 hours 42 min [guinnessworldrecords.com] in the milder\r
230 waters of the Mediterranean. At that world record speed in a\r
231 small RC boat this challenge would have taken 32 days.\r
232 So 79 days in a boat not controlled by a human, and not\r
233 limited to a 24 hour period, in the open waters of the\r
234 Atlantic is not so shabby. The speed made good over that\r
235 whole journey is 40% of that 24 hour record.\r
236 \r
237 \r
238 \r
239 \r
240 [1]\r
241 http://www.guinnessworldrecords.com/world-records/greatest-di-\r
242 stance-by-radio-controlled-model-sailing-ship-in-24-hours-(rc)\r
243\r
244\r
245 ** Re: (Score:3)\r
246 (by arth1 ( 260657 ))\r
247\r
248 \r
249 > Sure the Atlantic can be a tough place, but 79 days?\r
250 The Mayflower took 66 days to cross, and was much bigger.\r
251\r
252\r
253 ** \r
254\r
255 ** Re: (Score:2)\r
256 (by zlives ( 2009072 ))\r
257\r
258 \r
259 shipping containers are more profitable.\r
260\r
261\r
262 ** And now the jokes begin... (Score:1)\r
263 (by Jharish ( 101858 ))\r
264\r
265 \r
266 ..."I rowboat".\r
267 https://www.theonion.com/i-rowboat-1819583491\r
268\r
269 ** Re: (Score:2)\r
270 (by starless ( 60879 ))\r
271\r
272 \r
273 Followed later by Cory Doctorow\r
274 [1]http://bestsciencefictionstori... [bestscienc...tories.com]\r
275 \r
276 \r
277 \r
278 \r
279 [1]\r
280 http://bestsciencefictionstories.com/2009/03/29/i-row-boat-by-\r
281 cory-doctorow/\r
282\r
283\r
284 ** Description wrong? Not autonomous? (Score:5, Informative)\r
285 (by starless ( 60879 ))\r
286\r
287 \r
288 > For the first time an autonomous sailing robot...\r
289 From the linked article:\r
290 [1]https://www.apnews.com/f6d0e2a... [apnews.com]\r
291 > The Sailbuoy competed in the “unmanned” class, which allows\r
292 > operators to change its course along the way. There’s a separate\r
293 > “autonomous” class that prohibits any such communication.\r
294 >> \r
295 \r
296 \r
297 \r
298 \r
299 [1] https://www.apnews.com/f6d0e2a099684468873ab48966590ada\r
300\r
301 ** So you crossed the sea, Columbot (Score:1)\r
302 (by DulcetTone ( 601692 ))\r
303\r
304 \r
305 Don't forget that indigenous robots have rights, too.\r
306\r
307\r