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2016 Australian Moth Nationals


SeaWay

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Ok, phone not playing nicely, will post links when I get to the office...

 

Anyway, besides the facebook page, please post your questions here and we'll do what we can to answer.

 

In a nutshell however we are working hard to provide:

 

1. Free camping at the club

2. Free beer for each competitor

 

I would never be so presumptuous as to offer perfect 12-16knots on flat water each day, as this is a perfect way to get crappy conditions...

 

Any moth sailor is welcome, would be a good warm up event for those planning on going to Japan later in 2016.

 

Fire away

 

Cheers

 

SW

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Probably the best chance for a non–Mach2 to win in ages. All those sandgroper Prowlers might reckon local knowledge gives them an edge, even if outright performance isn't enough. ^_^

 

I've done Perth to Brisbane in about 50hrs, not recommended. Anyone attempting the journey from the east cost should plan on at least 3 days, and that still requires about 14 hours of travelling per day, stopping only for fuel.

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Our trip to Sorrento from Perth was staged as follows:

 

Perth to Balladonia.

Balladonia to ceduna

Ceduna to Bordertown (Vic / SA)

Bordertown to Sorrento (via ferry)

 

On the way back

 

Melbourne to Adelaide

Adelaide to Ceduna

ceduna to Balladonia

Balladonia to Kalgoorlie

kalgoorlie to Perth

 

Basic rules were

On the road by 6am

Daylight driving only

Fuel / lunch break at midday

In bed by 9pm

 

Worked well with a 3.5yr old in the back

 

Other guys pushed it with 3 drivers and a short sleep each night, did it in 3 days.

 

Cheers

 

SW

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Phil:

 

That's great news about the container. Agree that freighting boats and flying is the quickest way, driving is a trip in itself if you have time to enjoy the trip and stop at a few sights.

 

If you guys all agree to fly on the same flights we can probably arrange to pick you up from airport if you don't want hire cars (especially if you want to camp at club).

 

Keep the comments and ideas coming guys., now is the time that we can help with logistics for those that are undecided.

 

Cheers

 

SW

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Last time we sent 8 Sydney boats in their boxes via truck and then flew over in 4 hours. Woollahra guys are talking about a container.

 

Anyone have an idea of a ballpark price on a container spot?

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I think it is still early days, if you are a member of IMCA in Qld, NSW, Vic or Tas you will probably get an e-mail from your national rep soon.

 

If you don't, give them a poke and ask what's their plan is.

 

Subsidised travel was voted in at Sorrento, however I think the mechanism stil has to be sorted out.

 

Cheers

 

SW

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We released our event logo last night.

 

post-634-0-48325100-1432183270_thumb.jpg

 

IMCA-WA are proud to release the event logo for the 2016 Australian National Championships for the International Moth Class.

The Moth fleet are invited to return to the birth place of the Foiling Moth on the Swan River and enjoy the consistently fresh Fremantle Doctor seabreeze.

South of Perth Yacht Club located in Applecross on the Swan River is proud to host this prestigious event.

All Mothies are invited to come and join us for what will be an awesome event.

More announcements are to come soon regarding exciting sponsors, logistics to get here, notice of race and more.

 

 

Cheers

 

SW

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  • 1 month later...

Planning is still ongoing or the 2016 Moth Nationals.

 

We have some sponsors lined up, and some solid prospects also, and there is a fair amount of chatter going on over on facebook.

 

BTW, free camping at the club, OR, discounted apartment / houses available locally if you don't want to sleep rough. More details on facebook.

 

If you have any questions or comments, drop them in here and I'll respond ASAP.

 

Cheers

 

SW

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  • 5 months later...

48 Entries so far, some pretty big names on the list.

 

Boats from Tas, Vic, NSW and QLD are on their way, as well as internationals from ITA, GBR, HKG and JPN

 

Should be a cracker!!

 

Entry List is here:

http://www.sopyc.com.au/wp-content/uploads/2015/12/Moth-Entry-as-at-17th-December.pdf

 

More info on the facebook link below!

 

Cheers

 

SW

 

 

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23 NSW and Qld boats loaded onto the truck this morning in Sydney.

Vic and Tas boats loaded into container today in Melbourne.

Most crews are flying across, but still quite a few doing the long drive, some have left already.

 

26 boats sailed the NSW Champs last weekend at Woollahra, a few new faces and good racing.

Josh McKnight and Kurt Warner look like the boats to beat from this corner of the country.

 

Despite his staring performance in last sunday's 18footer TV show (on borrowed boat) Scott Babbage is not coming due to Bermuda comittments to Japanese AC team.

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So it is now down to countdown time for the roadshow that is the Australian Moth class with the McDougall McConaghy Australian Championships returning to the Swan River, the location that saw the first hydrofoil boat win a race at a world championship and that also spawned the foil control system that has become the defacto standard. With competitors coming in from Italy, Hong Kong, Great Britain, Japan and 1 or 2 aussies it is going to be a great show. For some this is the last major regatta before the worlds in Japan next year so expect people to be pushing it. So far 53 mothies have put their hand up to head to the remotest capital city in Aus and take on the mighty freodoctor seabreeze and with wind speeds of 30 knots not uncommon in the summer months, it will be fun to watch.

 

So what new developments will come? Who is going to break the most gear? Will new speed records be set? My money is the person responsible for some of the more interesting new developments will probably break the most gear. Will there be a return of wing sails to the class? Will the Waszp make an appearance? Who will still have the resin pot in hand the night before putting their new idea into action. Will Mach 2 continue to dominate? Will the extra leverage offered by a foiling scow prove to be an advantage? Answers to all these questions and more will come. Forget counting down to Christmas, there are better things ahead.

 

With less than 10 days to go competitors are starting to come in, and getting set up. Big numbers of boats have arrived already and the locals have been getting as much time on the water as they can hoping to get a home ground advantage.

Come check up on our facebook page to keep track of the latest goings on. Once racing starts we will keep it updated daily with results, innovations, epic wipeouts, stories of shattered nerves and the responses from the bogan onlookers who have come out to see something that has confused them a bit too much.

 

https://www.facebook.com/pages/2016-Australian-Moth-Championships/834985549868117?fref=nf

 

So who wants to try their luck at seeing who is going to take out the championship?

Check out the current entrants and expect the battle at the top of the fleet is going to be full on.

http://www.sopyc.com.au/wp-content/uploads/2015/12/Moth-Entry-as-at-22-December.pdf

 

 

See the event website here

http://www.sopyc.com.au/on-water-list/2016-international-moth-australian-championship/

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  • 2 weeks later...

Measuring new gear yesterday. Two more days of prep. Racing starts on 4th. Very hot, with easterly winds off the continent. But forecast to turn SW by tuesday. Great seeing everyone again.

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The scows now have a single wand but with a separate control rod going to each strut with a separate ride height adjuster on each. This means they turn the lift off the windward foil. Impressive sight to see on the water.

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Jim and David's scows are getting up to pace in straight lines, but they are first to admit they have a lot to learn about changing gears and turning corners. More complex because they wind off lift on the windward foil and have to change both settings every tack and gybe. Get it wrong and it rolls the boat over.

Still very impressive improvement from their foiling performance last year at Sorrento.

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Yachts & Yachting Day 2 Report here:

http://www.yachtsandyachting.com/news/187345/Int-Moth-Australian-Championship-day-2

Skyworks WA drone footage of Day 2 is here:

 

Weather is doing the usual "Its not normally like this......." scenario. It has been hot & humid with a Heat Trough that has prevented the "normal" gradient breeze turning into the famed reliable Freo Doctor from doing its thing.

 

Shame - as the footage would be epic......

Though the competitors are probably feeling more mixed about it - it can be a body and boat breaking exercise.

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Yeah the weather up in Perth is not normally like this at all and it doesn't look like it's going to change much in next few days although the wind might get up from the east tomorrow morning . The Doctor has definitely gone on extended leave. Plenty of wind down here in Albany though!!! Not as much sun though :(

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Looking through the photos I was surprised to see that not only the boats don't have aero elements - like at the worlds - but most of them didn't even had the bow cover thingy on.

 

Glad that the bowsprit is not popular in Australia, I just don't like them very much.

 

Someone care to summarize the event in terms of new developments?

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People that have bowsprits seem to love them ... as they make the downwind ride smoother in certain conditions.

 

PhilS can give a better update, but apart from cheeses' wing, just an continuation of what we saw at the worlds. Unlike the AC, gains in moths are still mainly down to the skipper, their boat speed and boat handling.

 

You don't need to really worry about aero gains in a moth until you are hitting 90% of your tacks and 100% of your gybes, as the difference between a standard M2 and an "aero" M2 is really really small. The difference between a good tack and a bad one can be 100m. You do need to worry about your gearing, which is why people some people run without their "bonnets".

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People that have bowsprits seem to love them ... as they make the downwind ride smoother in certain conditions.

 

PhilS can give a better update, but apart from cheeses' wing, just an continuation of what we saw at the worlds. Unlike the AC, gains in moths are still mainly down to the skipper, their boat speed and boat handling.

 

You don't need to really worry about aero gains in a moth until you are hitting 90% of your tacks and 100% of your gybes, as the difference between a standard M2 and an "aero" M2 is really really small. The difference between a good tack and a bad one can be 100m. You do need to worry about your gearing, which is why people some people run without their "bonnets".

Really? Why would a bowsprit smooth out the ride?

 

For example (spit balling it here): With no prodder (Mach2 with wand hinged to the bow gearing), imagine driving the moth down wind, in moderate chop, with a firm bungy on the wand and lets say a rate of 25knots. My wand paddle encounters the peak of a swell that terminates in a 1.5 meter trough, one meter later. At that rate and distance from swell face to the center of the trough, my flap responds from full- lift (the swell peak) to full descend (to cross the trough) must be on the order of 0.10 seconds (using the formula {T= D/S} ) -- or I risk a crash. Given the same rate and distance between swell face and the center of the following trough, I will double the flap response time by adding a meter long prodder. But, the flap response is still only 0.20 seconds (that's about twice the speed of an average eye blink, by the way...)...

 

PK

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given the high speeds achieved around the course - have you guys lengthened the race course or do you just get around quicker.

 

do you have a approx target time for race or does that depend on venue

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given the high speeds achieved around the course - have you guys lengthened the race course or do you just get around quicker.

 

do you have a approx target time for race or does that depend on venue

 

Shorter than in the 90's when we did one big triangle - WR - triangle - upwind finish, but multiple races per day.

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People that have bowsprits seem to love them ... as they make the downwind ride smoother in certain conditions.

 

PhilS can give a better update, but apart from cheeses' wing, just an continuation of what we saw at the worlds. Unlike the AC, gains in moths are still mainly down to the skipper, their boat speed and boat handling.

 

You don't need to really worry about aero gains in a moth until you are hitting 90% of your tacks and 100% of your gybes, as the difference between a standard M2 and an "aero" M2 is really really small. The difference between a good tack and a bad one can be 100m. You do need to worry about your gearing, which is why people some people run without their "bonnets".

Really? Why would a bowsprit smooth out the ride?

 

For example (spit balling it here): With no prodder (Mach2 with wand hinged to the bow gearing), imagine driving the moth down wind, in moderate chop, with a firm bungy on the wand and lets say a rate of 25knots. My wand paddle encounters the peak of a swell that terminates in a 1.5 meter trough, one meter later. At that rate and distance from swell face to the center of the trough, my flap responds from full- lift (the swell peak) to full descend (to cross the trough) must be on the order of 0.10 seconds (using the formula {T= D/S} ) -- or I risk a crash. Given the same rate and distance between swell face and the center of the following trough, I will double the flap response time by adding a meter long prodder. But, the flap response is still only 0.20 seconds (that's about twice the speed of an average eye blink, by the way...)...

 

PK

So,following your example,with the bowsprit the boat has a bit more time to descend,hence it can use a bit less gearing.

Imho it's not a huge difference,but still it is useful.

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People that have bowsprits seem to love them ... as they make the downwind ride smoother in certain conditions.

 

[...]

Really? Why would a bowsprit smooth out the ride?

 

For example (spit balling it here): With no prodder (Mach2 with wand hinged to the bow gearing), imagine driving the moth down wind, in moderate chop, with a firm bungy on the wand and lets say a rate of 25knots. My wand paddle encounters the peak of a swell that terminates in a 1.5 meter trough, one meter later. At that rate and distance from swell face to the center of the trough, my flap responds from full- lift (the swell peak) to full descend (to cross the trough) must be on the order of 0.10 seconds (using the formula {T= D/S} ) -- or I risk a crash. Given the same rate and distance between swell face and the center of the following trough, I will double the flap response time by adding a meter long prodder. But, the flap response is still only 0.20 seconds (that's about twice the speed of an average eye blink, by the way...)...

 

That's a pretty simplistic analysis, the bowsprit with wand fully rotated forward can only extend 0.5m. And you don't get all of that since the wand can't go beyond vertical and therefore operates over a slightly reduced range (or can't be positioned the full 500mm forward). Also, the horizontal push rod is longer, so opportunity for a tad more slop and friction in the system.

 

Perhaps a marginal gain easily negated by crew incompetence, though perhaps more than all the aero gear you can stomach (apart from wrap around tramps, I think they help but not worth the hassle for a perennial tailender).

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regarding developments at the nationals, I had my wing sail (sailing, fixing, sailing, changing...etc) but I did not spend nearly enough time at the YC to see if anyone had any other developments going on.... from a quick glance, looked like a lot of sheep on the beach.

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Yeah good, it lasted several crashes (one at 20 kts) so i am comfortable with the construction. the first issue I had was not having any real ability to understand the loads that were going to be involved ie: what is the aerodynamic loading on the flap?, what will the main sheet load be? do I go 3:1, 1:1?... then the twist, the sail had to have twist, I would have liked twist in the flap but I ran out of time (that's the next thing to do) the aero loading to make twist was not too far away from what I expected so I have passive aeroelastic twisting on the wing over its entire length (see picture).

After breaking and rebuilding mostly all of the flap main sheet mechanisms, I have a wing that works ok except for the little problem that the wing wont de power !

many times I found my self fully hiking without the main sheet in my hand for minutes at a time and the boat slowly plodding forward sometimes careering at speed !, I am still working out if its a balance issue ie: the rotation point is too far aft or if the section just too powerful.

supposedly (at full flap deflection) it has a cl of 1.8 and apparently sails have a cl of .6 so maybe Im just too big in sail area?

post-24673-0-44471300-1452831369_thumb.jpg

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performance wise, I will mention that in the one race were I did a full lap (later to be abandoned) the boat was pointing very high, I had to get through a javelin fleet on way to the start and i was out pointing them. This may be a freak of the extreme light breeze and the moths that did foil went low to stay up, but I was on my own 'track' to that top mark to be sure. I never really got on the foils upwind for any good period of time to see if this pointing ability translated over to foiling conditions, obviously I am hopeful...

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