Compass for Rhodes 19 Other Class Rules (similar vintage boats
Contents
1. Compass for Rhodes 19 Other Class Rules similar vintage boats but not a complete comparison Lightning Class Rules Article VIII Race Restrictions PORTABLE EQUIPMENT a Mandatory ii Compass b Optional i Electronic Equipment the following electronic devices are allowed aboard a Lightning 1 Battery powered wrist watches 2 An electronic digital compass with chronograph timer and or clock The compass must be entirely self contained with either an internal battery and or solar power The compass shall have no external connection and shall neither provide wind or boat speed nor compute correlations between time and distance 3 Other hand held navigational devices Use while racing is not permitted except for emergencies 4 Hand held communication devices cell phones pagers radios etc with the following restrictions A For all sanctioned regattas use is not permitted on the water except for emergencies This restriction may be modified to allow communication from the Race Committee to competitors on a predetermined channel if approved by the ILCA Executive Committee and so stated in both the Notice of Race and the Sailing Instructions B For non sanctioned regattas use is not permitted while racing except for emergencies This restriction may be modified to allow communication from the Race Committee to competitors on a predetermined channel if so stated in both the Notice of Race and the Sailing Instructions From Flyin2. g Scot Rules Articles S V Racing Restrictions 7 Except for compasses and timers electronic devices which are used as an aid to the boat s performance shall not be operated or used while racing This includes but Is not limited to the following VHF Radios CB Radios Cell Phones GPS PC Lap Top compasses that calculate lifts and headers How do Tactical Compasses work When beating to the wind top racers know to look for wind shifts and use them to their advantage Some manufacturers provide memory arrows on the compass but the basic adage is e Starboard Tack on decreasing numbers e Port Tack on increasing numbers Both analogue and digital tactical compasses provide the same number on both port and starboard tacks to allow quicker interpretation of the wind The Plastimo Contest Tactical 101 and the Tacktick T061 Micro both provide this function A good comparison is described by Tacktick in their user manual The Tactical mode is for use when beating tacking up wind With a conventional tactical compass which has port tack and starboard tack lubber lines you are able to read the same number on either tack In the same way with Micro Compass the port and starboard displays show the heading with an offset applied just like reading from offset lubber lines so that you can read the same number on either tack Micro Compass adds half the tack angle to the starboard display and subtracts half the tack ang
3. le from the port display so that you are always looking at the same number whichever tack you are on Now you decide whether the wind is backing or veering and thus when to tack Article on how to use tactical compasses both analogue and digital varieties http www roostersailing com articles compass _article htm TackTick T061 Manual is found here http www tacktick com products 41 Cost Comparison TACKTICK Solar Powered Micro Compass System Manuf TO60 459 00 APS Ltd Bracket and cover are included T061 slight more expensive velcro mount 500 00 Plastimo Contest 101 Tactical Compass Product ID 9313 273 00 APS Ltd Brackets amp covers not included 30 non tactical Contest 101 slightly cheaper 252 Both products can be found cheaper on the web thought I d keep the price comparison similar Possibly ideas from ISAF for simple rules that they could foresee Option 1 1 Digital devices shall be prohibited unless they display only time information Option 1 2 Digital compasses and or devices displaying heading and time are permitted provided they do not have directional memory features Option 2 1 Digital compasses and or devices which offer functions not exceeding timing heading and directional memory which may include a user programmed reference heading are permitted Option 2 2 Electronic digital compasses with a chronograph timer and or clock The compass must be entirely self contained
4. with either an internal battery and or solar power The compass shall have no external connections It shall not have the ability to compute correlations between time compass and VMG
Download Pdf Manuals
Related Search