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Sailonline manual
ManualBack to Snip <-- Previous Change | Next Change -->
Diff Summary | |||||
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Title | Sailonline manual | Sailonline manual | |||
Date | 2011-05-24 18:29:25 | 2011-05-24 18:45:38 | |||
Editor | RainbowChaser | RainbowChaser | |||
Tags |
2011-05-24 18:29:25 by RainbowChaser | 2011-05-24 18:45:38 by RainbowChaser | ||||
---|---|---|---|---|---|
18 | 18 | ||||
19 | *Step 2.** Go to the the [list of active races](h | 19 | *Step 2.** Go to the the [list of active races](h | ||
> | ttp://www.sailonline.org/races/all/) and click "E | > | ttp://www.sailonline.org/races/all/) and click "E | ||
> | nter race now" on the race you wish to enter. | > | nter race now" on the race you wish to enter. | ||
20 | 20 | ||||
21 | The client (your tool for steering the boat) | 21 | The client (your tool for steering the boat) | ||
22 | -------------------------------------------- | 22 | -------------------------------------------- | ||
n | 23 | Most of the graphical user interface in the client | n | 23 | Most of the graphical user interface in the client |
> | software is intuitive even for novice sailors. He | > | software is intuitive even for novice sailors. He | ||
> | re is a brief introduction. In the map, the brown | > | re is a brief introduction. In the map, the brown | ||
> | is land and the white is sailable water. You can | > | is land and the white is sailable water. You can | ||
> | zoom in and out by using the +/- symbols in the to | > | zoom in and out by using the +/- symbols in the to | ||
> | ol bar above the map. Your boat is bright pink. Yo | > | ol bar above the map. Your boat is bright pink. Yo | ||
> | u can center the map over your boat by pressing th | > | u can center the map over your boat by pressing th | ||
> | e third tool. You steer your boat by setting a cou | > | e pink boat symbol. You steer your boat by setting | ||
> | rse or a TWA (explained below) either by pressing | > | a course or a TWA (explained below) either by pre | ||
> | the "steering-wheel" symbol followed by picking a | > | ssing the "steering-wheel" symbol followed by pick | ||
> | course on the map or by entering a desired value i | > | ing a course on the map or by entering a desired v | ||
> | n the small window to the right of the map. Selec | > | alue in the small window to the right of the map. | ||
> | t the desired steering mode CC/TWA and click "Send | > | Select the desired steering mode CC/TWA and click | ||
> | Command" button. If you wanted the command to be | > | "Send Command" button. If you wanted the command | ||
> | delayed for some time just enter the desired dela | > | to be delayed for some time just enter the desire | ||
> | y-time (in hours) and check the box to the left of | > | d delay-time (in decimal hours) and check the box | ||
> | the text "Delay command" before pressing "Send Co | > | to the left of the text "Delay command" before pre | ||
> | mmand". In front of your boat is a "predictor" sho | > | ssing "Send Command". In front of your boat is a " | ||
> | wing where your boat would be in 6 hours with the | > | predictor" showing where your boat would be in 6 h | ||
> | current forecast. Each open circle represents one | > | ours with the current forecast. Each open circle r | ||
> | hour of sailing, the smaller dots show 15 min each | > | epresents one hour of sailing, the smaller dots sh | ||
> | . The coloured arrows are showing the wind and th | > | ow 15 min each. The coloured arrows are showing t | ||
> | e continuous iso-lines show points on the map with | > | he wind and the continuous iso-lines show points o | ||
> | equal wind speed. Note that the wind colours core | > | n the map with equal wind speed. Note that the win | ||
> | spond with the clours in the polar window. Preview | > | d colours correspond with the colours in the polar | ||
> | ing the weather is done by sliding the forecast-sl | > | window. Previewing the weather is done by sliding | ||
> | ider in the bar below the map. Try the slider and | > | the forecast-slider in the bar below the map. Try | ||
> | notice how the weather changes. When new forecasts | > | the slider and notice how the weather changes. Wh | ||
> | are available the new weather automatically appea | > | en new forecasts are available the new weather aut | ||
> | rs in the window and a notice is shown once loaded | > | omatically appears in the window and a notice is s | ||
> | . The graph on the right in the steer tab is calle | > | hown once loaded. The graph in the right screen, w | ||
> | d the polar. This shows you how the boat will pref | > | hen the steer tab is selected, is called the polar | ||
> | orm at different conditions and heading. More on p | > | . This shows you how the boat will perform in diff | ||
> | erformance and the polar below. | > | erent wind conditions and headings. More on perfor | ||
> | mance and the polar below. | ||||
24 | 24 | ||||
25 | Starting procedure | 25 | Starting procedure | ||
26 | --------------- | 26 | --------------- | ||
27 | All boats are towed back to the starting line 1 ho | 27 | All boats are towed back to the starting line 1 ho | ||
> | ur before race start. From 1 hour before the sta | > | ur before race start. From 1 hour before the sta | ||
> | rt, until the start, the boats are held at the sta | > | rt, until the start, the boats are held at the sta | ||
> | rting line. A command executed during this period | > | rting line. A command executed during this period | ||
> | will be the initial command for the boat at the s | > | will be the initial command for the boat at the s | ||
> | tart. | > | tart. | ||
28 | 28 | ||||
29 | Example: Race starts 18.00 UTC. If a player sends | 29 | Example: Race starts 18.00 UTC. If a player sends | ||
> | a command, TWA 55 degrees at 17.32 UTC, the boat | > | a command, TWA 55 degrees at 17.32 UTC, the boat | ||
> | will sail TWA 55 degrees at 18.00 UTC when the boa | > | will sail TWA 55 degrees at 18.00 UTC when the boa | ||
> | ts are released. | > | ts are released. | ||
30 | 30 | ||||
31 | Please note that you can also use a delayed comman | 31 | Please note that you can also use a delayed comman | ||
> | d to be executed during the prestart phase - it ha | > | d to be executed during the prestart phase - it ha | ||
> | s the same effect. | > | s the same effect. | ||
32 | 32 | ||||
n | 33 | All boats start with a default preformance loss. | n | 33 | All boats start with a default performance loss. |
34 | 34 | ||||
35 | The course, passing marks and the finish | 35 | The course, passing marks and the finish | ||
36 | ----------------------------------------- | 36 | ----------------------------------------- | ||
n | 37 | The course is defined by a starting point, a numbe | n | 37 | The course is defined by a starting point, a numbe |
> | r of marks (floating buoys or land marks) to be p | > | r of marks (floating buoys or land marks) to be p | ||
> | assed and a finish line to cross. All boats start | > | assed and a finish line to cross. All boats start | ||
> | at the starting point and are then to pass the buo | > | at the starting point and are then to pass the buo | ||
> | ys in the correct order and finally to cross the r | > | ys in the correct order and finally to cross the f | ||
> | ed finish-line as soon as possible. | > | inish-line as soon as possible. | ||
38 | 38 | ||||
39 | The next mark to pass is indicated by the text e.g | 39 | The next mark to pass is indicated by the text e.g | ||
> | . "pass north", "pass south" etc. The passing of t | > | . "pass north", "pass south" etc. The passing of t | ||
> | he mark is registered as your boat is "in-the-midd | > | he mark is registered as your boat is "in-the-midd | ||
> | le" of last leg and the next leg (a leg is the tra | > | le" of last leg and the next leg (a leg is the tra | ||
> | vel between two marks). Marks must be rounded in t | > | vel between two marks). Marks must be rounded in t | ||
> | he direction indicated by the arrows in the client | > | he direction indicated by the arrows in the client | ||
> | . This rule is enforced automatically by the serve | > | . This rule is enforced automatically by the serve | ||
> | r. | > | r. | ||
40 | 40 | ||||
41 | At the end just cross the finish line anywhere you | 41 | At the end just cross the finish line anywhere you | ||
> | like. When you do that your boat will be "glued" | > | like. When you do that your boat will be "glued" | ||
> | to the position where you crossed the line. Your f | > | to the position where you crossed the line. Your f | ||
> | inish time will also be announced in the leaderboa | > | inish time will also be announced in the leaderboa | ||
> | rd. | > | rd. | ||
42 | 42 | ||||
43 | Steering | 43 | Steering | ||
44 | ---------- | 44 | ---------- | ||
n | 45 | The basic way of steering is to either set at cons | n | 45 | The basic way of steering is to either set a const |
> | tant compass course (CC) which simply means that t | > | ant compass course (CC) which simply means that th | ||
> | he boat will go in a "straight line". The other st | > | e boat will go in a "straight line". The other ste | ||
> | eering mode is to set up the boat to keep a consta | > | ering mode is to set up the boat to keep a constan | ||
> | nt angle to the wind, to keep the true-wind-angle | > | t angle to the wind, to keep the true-wind-angle ( | ||
> | (TWA) constant. This means that if the wind change | > | TWA) constant. This means that if the wind changes | ||
> | s in direction, the boat will change its heading t | > | in direction, the boat will change its heading to | ||
> | o maintain the wanted TWA. You can set any TWA in | > | maintain the wanted TWA. You can set any TWA in t | ||
> | the range from 0 to 180 degrees where TWA=0 means | > | he range from 0 to 180 degrees where TWA=0 means t | ||
> | that the wind comes from straight ahead, TWA=180 m | > | hat the wind comes from straight ahead, TWA=180 me | ||
> | eans that the wind comes from behind and TWA=90 me | > | ans that the wind comes from behind and TWA=90 mea | ||
> | ans the wind in from starboard side. Negative TWA | > | ns the wind in from starboard side. Negative TWA m | ||
> | means wind in from port side (port=left). You can | > | eans wind in from port side (port=left). You can c | ||
> | choose to steer directly or pick a course on the m | > | hoose to steer directly or pick a course on the ma | ||
> | ap with the steering heel button. U preset a comma | > | p with the steering tool. You preset a command by | ||
> | nd by the use of delayed commands. You simply set | > | the use of delayed commands. You simply set up the | ||
> | up the steering as described above and then state | > | steering as described above and then state how ma | ||
> | how many hours the command should be delayed. Dela | > | ny hours the command should be delayed. Delayed co | ||
> | yed commands is a neat feature that lets you atten | > | mmands are a neat feature that lets you attend bus | ||
> | d business meetings and wedding dinners while helm | > | iness meetings and wedding dinners while helming a | ||
> | ing a 60-foot single handed catamaran in a full ga | > | 60-foot single handed catamaran in a full gale! | ||
> | le! | ||||
46 | 46 | ||||
47 | The chart and the race bounds | 47 | The chart and the race bounds | ||
48 | ------------------------------- | 48 | ------------------------------- | ||
n | 49 | The shorelines are supplied by the US National Geo | n | 49 | The shorelines are supplied by the US National Geo |
> | physical Data Center (NGDC). Resolution may vary d | > | physical Data Center (NGDC). Resolution may vary d | ||
> | epedending on the race type and zoom level. Import | > | epending on the race type and zoom level. Importan | ||
> | ant to notice is that what you see is what there i | > | t to notice is that what you see is what is there | ||
> | s at normal and high zoom. If you zoom out further | > | at normal and high zoom. If you zoom out further t | ||
> | the resolution will drop adn give you a more wide | > | he resolution will drop and give you a wider view. | ||
> | r view. Be aware of small islands but all water is | > | Be aware of small islands but all water is deep a | ||
> | deep and sailable. Your boat can naturally only s | > | nd sailable. Your boat can naturally only sail on | ||
> | ail on water. If you collide with land the boat wi | > | water. If you collide with land the boat will stop | ||
> | ll stop, be pulled out from the coastline some dis | > | , be pulled out from the coastline some distance a | ||
> | tance and be somewhat damaged. The damage is expre | > | nd be somewhat damaged. The damage is expressed as | ||
> | ssed as a certain drop in boat speed (performance) | > | a certain drop in boat speed (performance). This | ||
> | . This loss in performance is temporary and will v | > | loss in performance is temporary and will vanish i | ||
> | anish in a number of hours. Since the boat has sto | > | n a number of hours. Since the boat has stopped yo | ||
> | pped you need to send a new command to set the boa | > | u need to send a new command to set the boat on a | ||
> | t on a new course. | > | new course. | ||
50 | 50 | ||||
51 | Cutting corners | 51 | Cutting corners | ||
52 | ------------- | 52 | ------------- | ||
n | 53 | Due to the implementation on the server, (that boa | n | 53 | Due to the implementation in the server, (that boa |
> | ts are moved in steps) a boat may actually cut a l | > | ts are moved in steps) a boat may actually cut a l | ||
> | ittle land corner that was smaller than the step. | > | ittle land corner that was smaller than the step. | ||
> | It can happen to all boats but is nothing to rely | > | It can happen to all boats but is nothing to rely | ||
> | on. Since small islands in SOL are called Sneaky L | > | on. Since small islands in SOL are called Sneaky L | ||
> | ittle Islands (SLI) this phenomena is called SLI-j | > | ittle Islands (SLI) this phenomenon is called SLI- | ||
> | umping. SLI-jumping is allowed. | > | jumping. SLI-jumping is allowed. | ||
54 | 54 | ||||
55 | The boat performance | 55 | The boat performance | ||
56 | ---------------------------- | 56 | ---------------------------- | ||
n | 57 | The boat performance is expressed in the so called | n | 57 | The boat performance is expressed in a so called p |
> | polar curve, which is visible to you. The polar c | > | olar curve, which is visible to you. The polar cur | ||
> | urve state the boat speed as a function of wind sp | > | ve states the boat speed as a function of wind spe | ||
> | eed and TWA. Take time and study the plot to learn | > | ed and TWA. Take time to study the plot to learn h | ||
> | how to sail the boat efficiently. Different wind | > | ow to sail the boat efficiently. Different wind sp | ||
> | speeds are shown with different colored curves. Fo | > | eeds are shown with different coloured curves. For | ||
> | r a certain wind speed follow the corresponding co | > | a certain wind speed follow the corresponding col | ||
> | lored curve for all various TWA:s around the boat. | > | oured curve for all various TWAs around the boat. | ||
> | For a certain wind speed and TWA you can read the | > | For a certain wind speed and TWA you can read the | ||
> | corresponding boat speed as represented by the di | > | corresponding boat speed as represented by the dis | ||
> | stance from the origin to the colored curve. The p | > | tance from the origin to the coloured curve. The p | ||
> | lot does not differ negative from positive TWAs si | > | lot does not differentiate negative from positive | ||
> | nce our boats are symmetric. Your boat generally p | > | TWAs since SOL boats are symmetric. Your boat gene | ||
> | erforms at the polar curve boat speed (=100% perfo | > | rally performs at the polar curve boat speed (=100 | ||
> | rmance in the polar window) but there are two ways | > | % performance in the polar window) but there are t | ||
> | of loosing performance. If you hit land you loose | > | wo ways of losing performance. If you hit land you | ||
> | quite a lot of performance. After changing TWA yo | > | lose quite a lot of performance. After changing T | ||
> | u also loose some percent of performance. Performa | > | WA you also lose some percent of performance. Perf | ||
> | nce loss is always temporarely. Depending on condi | > | ormance loss is always temporary. Depending on con | ||
> | tions you will regain 100% after a while. | > | ditions you will regain 100% after a while. | ||
58 | 58 | ||||
59 | Race types | 59 | Race types | ||
60 | ------------ | 60 | ------------ | ||
61 | There are basically two kinds of races, fleet-race | 61 | There are basically two kinds of races, fleet-race | ||
> | s and timed-races. | > | s and timed-races. | ||
62 | 62 | ||||
n | 63 | ** Fleet race:** In a fleet race you typically reg | n | 63 | ** Fleet race:** In a fleet race you typically reg |
> | ister a boat during the registration phase in whic | > | ister a boat during the registration phase in whic | ||
> | h practice sailing is allowed. One hour before the | > | h pre-race practice sailing is allowed. One hour b | ||
> | start all boats are suddenly automaticaly towed b | > | efore the start all boats are automatically towed | ||
> | ack to the starting point, stopped and moored ther | > | back to the starting point, stopped and moored the | ||
> | e during this last hour before the start which we | > | re. This last hour before the start we call the p | ||
> | call the prestart phase. During the prestart phase | > | restart phase. During the prestart phase you can s | ||
> | you can send commands and chats but the boat will | > | end commands and chat but the boat will not move. | ||
> | not move. At the time of the race start all boats | > | At the time of the race start all boats are let go | ||
> | are let go simultaneously. The last command will | > | simultaneously. The last command will be the one | ||
> | be the one controlling the boat. First boat compl | > | controlling the boat. First boat completing the c | ||
> | eting the course is the winner! | > | ourse is the winner! | ||
64 | 64 | ||||
n | 65 | **Timed race:** In a timed race you may (within li | n | 65 | **Timed race:** In a timed race you may (within li |
> | mits) start at any time you like. The time of exec | > | mits) start at any time you like. The time of exec | ||
> | usion of your first command will be your start tim | > | ution of your first command will be your start tim | ||
> | e. This means that a start using a delayed command | > | e. There is no pre-race practice. This means that | ||
> | is possible and the start time will be the time w | > | a start using a delayed command is possible and th | ||
> | hen your boat starts moving. Complete the course a | > | e start time will be the time when your boat start | ||
> | nd your total sailed time will be compared to othe | > | s moving. Complete the course and your total saile | ||
> | rs in the leaderboard. Once you have finished the | > | d time will be compared with others in the leaderb | ||
> | course you may register a new boat and go for anot | > | oard. Once you have finished the course you may re | ||
> | her try. | > | gister a new boat and go for another try. | ||
66 | 66 | ||||
67 | Weather | 67 | Weather | ||
68 | -------- | 68 | -------- | ||
n | 69 | State of the art high resolution forecasts by [We | n | 69 | State of the art high resolution forecasts by [We |
> | athertech](http://www.weathertech.se) is used as t | > | athertech](http://www.weathertech.se) is used as t | ||
> | he sailing environment. The resolution in both tim | > | he sailing environment. The resolution in both tim | ||
> | e and space varies depending on the race. The fore | > | e and space varies depending on the race. The fore | ||
> | casts are true in the sense that we are in the sim | > | casts are true in the sense that we are in the sim | ||
> | ulator sailing in authentic weather. All boats sai | > | ulator sailing in authentic weather. All boats sai | ||
> | l in the wind forecasts at the 10 meter level. Usu | > | l in the wind forecasts at the 10 meter level. Usu | ||
> | ally, the client give you access to seal level atm | > | ally, the client gives you access to sea level atm | ||
> | ospheric pressures also. The forecasts are typical | > | ospheric pressures also. The forecasts are typical | ||
> | ly updated once or twice per 24 hour period. Updat | > | ly updated twice or four times per 24 hour period. | ||
> | es are fairly immediately and normally phased in d | > | Updates are fairly immediate and normally phased | ||
> | uring an hour or so. A notice will be shown when t | > | in during an hour or so. A notice will be shown wh | ||
> | he client picks up the new weather, but there can | > | en the client picks up the new weather, but there | ||
> | be some time between when the new weather is ready | > | can be some time between when the new weather is r | ||
> | and the client picks it up. Note that in some rac | > | eady and the client picks it up. Note that in some | ||
> | es new forecasts show up in the middle of the nigh | > | races new forecasts show up in the middle of the | ||
> | t and can mess with you carefully programmed route | > | night and can mess with your carefully programmed | ||
> | ... | > | route. | ||
70 | 70 | ||||
71 | The actual sailing | 71 | The actual sailing | ||
72 | ------------------ | 72 | ------------------ | ||
n | 73 | The boats actual sailing is done in the central se | n | 73 | The boats' actual sailing is done in the central s |
> | rver at sailiport and NOT in the users computer. T | > | erver at Sailport and NOT in a user's computer. Th | ||
> | he client is only used for viewing and manipulatio | > | e client is only used for viewing and manipulation | ||
> | n of your boat. Hence, you can disconnect and shut | > | of your boat. Hence, you can disconnect and shut | ||
> | your computer down and your boat will still sail. | > | your computer down and your boat will still sail. | ||
> | The boats are moved forward (integrated) stepwise | > | The boats are moved forward (integrated) stepwise. | ||
> | . The length in time between the steps varies dep | > | The length in time between the steps varies acco | ||
> | endent on the server workload etc but is usually k | > | rdingto server workload etc but is usually kept un | ||
> | ept under 30 seconds. | > | der 30 seconds. | ||
74 | 74 | ||||
75 | The chat | 75 | The chat | ||
76 | --------- | 76 | --------- | ||
n | 77 | The chat is there to be used! Choose your preferre | n | 77 | The chat is there to be used! Choose your preferre |
> | d language and go ahead and use it along with your | > | d language and go ahead and use it along with your | ||
> | judgement. | > | judgement. The default window is English chat and | ||
> | this is used by most people. | ||||
78 | 78 | ||||
79 | Last Minute Changes | 79 | Last Minute Changes | ||
80 | ----------------- | 80 | ----------------- | ||
81 | For various reasons adjustments and changes in the | 81 | For various reasons adjustments and changes in the | ||
> | race setup, course route or other rules might be | > | race setup, course route or other rules might be | ||
> | needed from time to time. Such adjustments are kep | > | needed from time to time. Such adjustments are kep | ||
> | t at a minimum but Sailonline here states that the | > | t at a minimum but Sailonline here states that the | ||
> | y might be necessary even during a race and should | > | y might be necessary even during a race and should | ||
> | be regarded as "a part of the game". | > | be regarded as "a part of the game". | ||
82 | 82 | ||||
83 | 83 | ||||
84 | Race closure | 84 | Race closure | ||
85 | ------------ | 85 | ------------ | ||
n | 86 | For several reasons Sailonline cannot keep races o | n | 86 | For several reasons Sailonline cannot keep races o |
> | pen for eternity. Races are closed (and all boats | > | pen for eternity. Races are closed (and all boats | ||
> | still on course will stop) when the administrators | > | still on course will stop) when the administrators | ||
> | regard the race as "finished". This means that e. | > | regard the race as "finished". This means, for ex | ||
> | g. boats starting late cannot count on finishing t | > | ample, that boats starting late cannot count on fi | ||
> | he race. | > | nishing the race. SOL allows as much time as is p | ||
> | racticable for boats to finish. | ||||
87 | 87 | ||||
88 | The Rules | 88 | The Rules | ||
89 | --------- | 89 | --------- | ||
n | 90 | The idea is that most of the rules should be enfor | n | 90 | The aim is that most of the rules should be enforc |
> | ced automatically by the server. This means that e | > | ed automatically by the server. This means that, f | ||
> | .g. when the server registers a passing of a waypo | > | or example, when the server registers a passing of | ||
> | int that passing is ok. A boat can be disqualified | > | a waypoint that passing is ok. A boat can be disq | ||
> | and a user can be banned if improper use is detec | > | ualified and a user can be banned if improper use | ||
> | ted or if too offensive comments are made in the c | > | is detected or if too offensive comments are made | ||
> | hat. | > | in the chat. | ||
91 | 91 | ||||
92 | Dictionary | 92 | Dictionary | ||
93 | ---------- | 93 | ---------- | ||
94 | **Port:** Left side of the boat. | 94 | **Port:** Left side of the boat. | ||
95 | 95 | ||||
97 | 97 | ||||
98 | **Bow:** The nose of the boat. | 98 | **Bow:** The nose of the boat. | ||
99 | 99 | ||||
100 | **Stern:** The aft most part of the boat. | 100 | **Stern:** The aft most part of the boat. | ||
101 | 101 | ||||
n | 102 | **TWA:** True Wind Angle (ranging from -180 to 180 | n | 102 | **TWA:** True Wind Angle (ranging from -180 to 180 |
> | degrees), i.e the angle between the boat centerli | > | degrees), i.e the angle between the boat centreli | ||
> | ne and the incoming wind. TWA=0 means that the win | > | ne and the incoming wind. TWA=0 means that the win | ||
> | d comes in straight from over the boat bow. Negati | > | d comes in straight from over the boat bow. Negati | ||
> | ve TWAs indicates wind from the port side. | > | ve TWA indicates wind from the port side. | ||
103 | 103 | ||||
104 | **TWD:** True Wind Direction (ranging from 0 to 36 | 104 | **TWD:** True Wind Direction (ranging from 0 to 36 | ||
> | 0 degrees)is the angle *from * where the wind blow | > | 0 degrees)is the angle *from * where the wind blow | ||
> | s. TWD=0 means wind *from* the north, TWA=90 means | > | s. TWD=0 means wind *from* the north, TWA=90 means | ||
> | wind from the east etc. | > | wind from the east etc. | ||
105 | 105 | ||||
106 | **TWS:** True Wind Speed in either of the units me | 106 | **TWS:** True Wind Speed in either of the units me | ||
> | ters/second (m/s) or knots (kn). | > | ters/second (m/s) or knots (kn). | ||
107 | 107 | ||||
111 | 111 | ||||
112 | **BS:** Boat Speed is measured in knots. One knot | 112 | **BS:** Boat Speed is measured in knots. One knot | ||
> | equals one nautical mile per hour. | > | equals one nautical mile per hour. | ||
113 | 113 | ||||
114 | **VMG:** Velocity Made Good is the velocity compon | 114 | **VMG:** Velocity Made Good is the velocity compon | ||
> | ent parallel to the TWD. By convention, positive V | > | ent parallel to the TWD. By convention, positive V | ||
> | MG means that you are sailing towards the wind. | > | MG means that you are sailing towards the wind. | ||
115 | 115 | ||||
t | 116 | **VMC:** Velocity Made good relative the Course is | t | 116 | **VMC:** Velocity Made good relative to the Course |
> | not really unambiguously defined but usually mean | > | is not really unambiguously defined but usually m | ||
> | s the boat velocity component parallel to the loxo | > | eans the boat velocity component parallel to the l | ||
> | drome from boat to the next waypoint. | > | oxodrome from boat to the next waypoint. | ||
117 | 117 | ||||
118 | **Time:** Is throughout the game measured with ref | 118 | **Time:** Is throughout the game measured with ref | ||
> | erence to Universal Time Coordinated UTC. | > | erence to Universal Time Coordinated UTC. | ||
119 | 119 | ||||
120 | **Performance:** The percentage of boat speed you | 120 | **Performance:** The percentage of boat speed you | ||
> | have in relation to the performance polar. You wil | > | have in relation to the performance polar. You wil | ||
> | l have 100% if you haven’t hit land or just made a | > | l have 100% if you haven’t hit land or just made a | ||
> | course change, your performance will go down for | > | course change, your performance will go down for | ||
> | some time if you have hit land. | > | some time if you have hit land. | ||
121 | 121 |
Races
Next Race: 00d 00h 00m
Current Races:
Red Eye - Myth of Malham 2025
Race #1847
INFOby brainaid.de
Fareast 31R PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SYC - RED
Race starts: Aug 25th 12:00 Registration Open!
GO TO RACE
Africa by Sea 2025 - Maputo to Mogadishu
The fifth leg of our exploration of Africa By Sea takes us north along the length of the Continent’s succulent sub-tropical and tropical Indian Ocean coast. Much fought over by traders and colonists both well-before and after a Portuguese expedition under the command of Vasco da Gama first sailed there from Europe back in the 16th century, it is yet to be properly explored as a yachting destination. With plenty of islands off- and inshore, small and very large, there is much to interrupt your 1900nm voyage and visit in your Swan 65, from Maputo to Mogadishu! Race #1858
INFOby brainaid.de
Swan 65 PARTICULARS
WX Updates:
0430 / 1030 / 1630 / 2230
Ranking: SYC - ABS
Race starts: Aug 20th 17:00 Registration Open!
GO TO RACE
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