Hi Trevor,
Maybe I can shed some light as I modified the rules for last years regatta. First can I say the track modifications have added a number of situations that did not exist last year when the rules were written. In the previous year the chances of having a crossing situation were so remote that the rules were never tested. But we have a few new situations now.
First of all, you are correct that these rules are not the same as normal sailing rules because of the tightness of the track. When blokart sailing in a large area like a desert the port starboard rules apply. As a normal user of the blokart track I can tell you previously most of the time the upwind section of a course is at a max of 7 seconds which is not long to sort out any port starboard calls compared to sailing when you usually spend minutes on one tack.
You are quite correct about the definition of who is ahead is an imaginary point when you would cross.
Cheers
Richard
From: Trevor Pretty [mailto:...]
Sent: Monday, 15 September 2008 3:35 p.m.
To: ...
Subject: Re: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 Sept
I don't want to start a flame war, but I do no understand the Worlds rule E 4, where as the original IBRA rule E 4 is very clear and is the same as all other sailing.
Worlds Rule:
E 4. When blokarts are on opposite tacks, a competitor must give way to another competitor who is
ahead of them.
IBRA Rule:
E.4 When blokarts are on opposite tacks, a port tack blokart shall keep clear of a starboard tack
blokart.<<explanation of port/starboard deleted>>
Ahead when? At the imaginary point where you would cross? But as on the track we are always sailing in non straight lines how are the race committee going adjudicate on this rule?
Think about the top mark on Sunday. So a whole gaggle of port karts could come through and block the track they are all ahead of the guy on starboard taking the long route and all have the right of way. The result would be a big crash!
If this is going to be a "world" event then can somebody please clarify the rules, because as I said I'm very confused and I've been racing in sailing craft for ~30 years!
Dave Pearson wrote:
I appreciate that you have tried this out already, and its fine for a practice, but when it comes to the crunch, people are going to get serious when racing. What most people are overlooking is at that top mark it wont neccessarily be a one on one situation like shown in the examples. You could encounter a whole line of bumper to bumper traffic, and if eveyone is holding their line, then someone will get T-boned?
Â
If you want to avoid confusion, all this bickering and wasting time in protests then perhaps this option should be left to club sailing events. The Worlds are going to bring a whole lot more confusion, opinions, bickering and maybe protests, as I'm sure that it will become a very serious competitive event. Lets hope.
Â
All healthy debate.
Â
Dave
Â
From: Paul [mailto:...]
Sent: Monday, 15 September 2008 2:48 p.m.
To: ...; ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptHi Guys,
Yes it does create a few options of what is the best approach to this.
Firstly if the pilot on starboard is so close to the mark that the kart coming up is barging it would need to go around the back and over the top of the starboard kart
Secondly it could be argued that the Kart coming up is well overlapped on the top (starboard tack) kart as the kart coming up is well ahead of the top karts back axle line and arguably has right of way and the top kart ( dare I say Starboard Tack kart would need to go up enough to give room so as not to collide or drive the kart coming up onto an obstruction. Bearing in mind that in almost every occasion the top kart was well under way and going faster than the kart coming up. I am sure the kart climbing up only wants to get onto starboard and not try to head anyone up.
Also a short note on this holding your line at all costs so as to drive someone onto an obstruction as we have seen in the past can prove detrimental to gear and the amount of time in protest and in my opinion is for some other sport.
All in all the opportunity to take a different track to the mark met with almost unanimous approval as an option to playing follow the leader and giving a chance to get out of someone’s dirty exhaust pipe. Thank you very much 5.5’s!
Great stuff I thought
From:Bruce Hales [mailto:...]
Sent: Monday, 15 September 2008 11:38 a.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptHi Allan
It was a fantastic day at BK yesterday. I think the positioning of the start/finish and race control is excellent and much more involving for the spectators and competitors. The new concrete has meant the dial up situation felt really safe with plenty of options.
This is the way I interpret the rules and your explanation:
On the basis of collision avoidance a slower kart on course yellow head to wind or on port tack clearly has to give way to the right ie: Kart on course red but if they can tack onto starboard and still be clear in front then give way rule is no longer appropriate and they have right of way regardless that the now following kart is travelling faster and has to take a different line to the mark and likely become the passing kart.
So it comes down to the interpretation of local rule give way to the right which probably needs a little bit more explanation for track novices – On the road give way to the right means not impeding the progress –
I quote “Giving way means that the road user you're giving way to (whether they are a driver, cyclist, pedestrian or any other kind of road user) doesn't need to stop, brake or slow down, swerve or take any other evasive action to avoid you.â€
Rgds
Bruce
From:Levet, Allan, VF-NZ [mailto:...]
Sent: Monday, 15 September 2008 10:48 a.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptPerhaps Stuart or Orca would like to comment on the specifics for the BBC / Blokart Heaven rules...
Â
Basically the way I understand it at the track there is a 5m rule. Within 5m of a mark a competitor can not try to squeeze in on another then call (scream?) for room. I guess there are a couple of rules to run through when approaching the top mark. This is where Dave or Stu should help out! 8)
Â
The competitor coming in from the longer route is on starboard so has right of way over the other competitor approaching the mark on port tack. This should mean that the competitor who took the shortcut should avoid any collision and cross behind.Â
Â
However, practically speaking the short cut taker will try to round the mark ahead if possible and will now be on starboard too. In that case usually the windward blokart needs to keep clear, but there is a local rule at the track which is to give way to your right (i.e. give way to the competitor who has done the longer route and is now bearing down on you at about a million knots whilst you've just gone through head to wind and have lost a heap of speed!). That's two reasons for the short cut taker to give way...
Â
There is also the rule about the overtaking Blokart must keep clear of the the slower Blokart... so the competitor flying in from the longer route should go around the outside of the short cut competitor. This happened a few times yesterday without too much in the way of loud screaming or wild gesturing so I guess it all worked out ok. Hmmm, perhaps one rule back to the short cut taker...
Â
What would be interesting is if the Blokart who came in on starboard (i.e. the one who took the longer route) arrived with about the same speed as the short cut taker. Presumably the competitor who just tacked from port to starboard could try to force the upwind Blokart up, or must they instead hold their line? I think the short cut taker must hold their line... Crikey - is this 2 all or 3:1 to the longer route taker?
Â
Perhaps one of the more knowledgeable sailors could clarify?
Â
Â
Â
Â
From:Timperley, Ian [mailto:...]
Sent: Monday, 15 September 2008 8:48 a.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptThanks Allan
Â
Yes all came through fine, and I like the concept, but surely those ducking through the middle can call for room if within the required distance of the mark.Â
Â
Ian Timperley
Marketing Information Coordinator
Extn: 5805
DDI (04) 913 7805
Fax (04) 913 5555
Email: ...PÂ Please consider the environment before printing this email
Â
From:Levet, Allan, VF-NZ [mailto:...]
Sent: Monday, 15 September 2008 8:38 a.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptBasically we had a windward, Â leeward and start/finish line triangular course, but the twist was you had the choice of how you got to the top mark from the start/finish line. You could sail a pretty fast longer route around the outside of the circuit, or cut straight through the centre of the course which was shorter but pretty much hard on the wind.Â
Â
This gave us a choice of dashing through the centre hoping the shorter distance with some good momentum would beat the guys flying around the outside of the course who had to travel a lot further... and then there was always the bit that the guys who opted for the short cut had to give way to the ones who were bearing down on the top mark with considerable speed!
Â
I don't know if this picture will come through or not, but imagine the track is the circle, the green bits are the grass and the red points are the marks. The blue course was the fast long course, the yellow was the more direct but slower one... The wind was coming from the top of the picture.
Â
From:Timperley, Ian [mailto:...]
Sent: Monday, 15 September 2008 8:15 a.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptFor us unfortunate ones that are to far away to travel to BKH on a regular basis could you please enlighten us as to what you mean by "open sailing" course
Â
Ian Timperley
Marketing Information Coordinator
Extn: 5805
DDI (04) 913 7805
Fax (04) 913 5555
Email: ...PÂ Please consider the environment before printing this email
Â
From:Levet, Allan, VF-NZ [mailto:...]
Sent: Monday, 15 September 2008 8:07 a.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptYes well done to the Bay Blokart Club for a great day. Well run and a good time was had by all, and those 5.5's, what can I say - aren't they just great!
Â
PB and the crew from Blokart Heaven - the track changes are a really good addition providing plenty of new options and points for timing the charge to the start line, or bailing out if crossing too early. I realise these additional bits of concrete don't come cheap but they certainly add to the fun and opportunities for racing! Many thanks to you too.
Â
The "open sailing" course was a good bit of variety which certainly added some new challenges for the sailors and exciting viewing for the spectators! Hopefully this will feature during the Worlds?
Â
All I can say is that this bodes very well for the Kellogg's Nutri-grain 2008 World Blokart Championships... bring it on!
Â
May the wind blow steady and strong.
From:BK [mailto:...]
Sent: Sunday, 14 September 2008 9:20 p.m.
To: ...
Subject: RE: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 SeptHi Stuart,
Great day – great courses – great sailing practice – and thanks to the Bay BBQ hospitality as always at the end of the day.
What started out as 5.5 weather finished as 5.5 with a dash of 4m in the middle. We did well to get so many races in given the weather forecast. And the open “open sailing†races added a new twist (especially for those of us that forgot where the marks and start were) – mental note – pay more attention nest time!
And many that for such a great turn out by Team ABC and Wayne for getting the team together for the trip. Ray too with McLeans teams, and what a fine performance they put in on the track.
I can see the Worlds is going to be a top event with nearly 100 people registered already and a few more due to enter after the successful event today.
If there are any sailors attending that can offer their services to the Race Directors to act as Marshalls and helpers during the event when you are not sailing in your division please let Stuart Clark or Theo know – they will appreciate the help.
Grant
From:Stuart Cooney [mailto:...]
Sent: Saturday, 13 September 2008 5:17 p.m.
To: BLOKART-NZ
Subject: Re: [blokart] BBC Race Day & Worlds Practice Day Sunday 14 Septsmokin' blokarter <...> said:
Hi Stuart,
We had a large number of ABC members saying they were coming through for Sunday so updates on weather would be appreciated. Some will come anyway, others will only make the trip if wind is forecast.
Last time I looked it was going to be good Saturday but light Sunday.
Keep us informed.
regards
Russell Hi Russell,
Sorry for the delay but was tied up a bit. Forecast still holding steady since Wednesday with 11kn forecast from the SW in the morning falling to 8kn W early afternoon perhaps rising again to 11kn later. There was indeed a good SW this afternoon that has now died down so should still be a good 5.5 practice day. This is the last dedicated day that BH is giving us before the worlds so we have to go for it. Maybe also some light showers but shouldn't be much. We aim to get started right on 11am so th earlier you all get here the more chance of some wind early on.
Currently have 15 booked from Auckland including you.
See you there.
Stuart
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