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New Multihull Class in Auckland

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Offline BooBoo

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New Multihull Class in Auckland
« on: October 02, 2006, 05:41:47 PM »
We now have 6 800mm Multis sailing in Auckland.
Had 4 of them out on Sunday in 20kts+ at Pupuke quarry.
Very interesting day with the sizzors making more than a few apearences to hack down sails into a suitable size.
Capsizes a regular thing in those breezes.
Video of the first sail last weekend.

http://www.youtube.com/watch?v=gMtcI5s8isc

Notice the hacked up sails. Pretty quickly realised you dont need much sail on these things!
Have a few more people in various stages of build, hopefully get a few more boats soon.

Most of us had the Northsails 600s last year. Good fun little box rule.
A few of them still kicking around including my Nationals winning #15!
Now got a marblehead, westhaven 1m, 2x norths 600s and the 800mm Tri.

Anyone else with a multihull should come down and share ideas.

Also a link to my mates canting keel 1m.
http://www.youtube.com/watch?v=nSuxFQsFdAo&NR
f it breaks it wasnt strong enough anyway.....

Offline IanHB

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New Multihull Class in Auckland
« Reply #1 on: October 03, 2006, 07:28:15 PM »
Hey Boo Boo........wasen`t that a Fred Flinstone line? :P

Great to see your multi activity.
I took the liberty of posting your link on the rcsailing forum site and it is being well recieved.
Are you making any hulls and floats available for sale as I know of a couple of potentual buyers?
I know what you mean about sail area, smaller can definatly be better in most circumstances.
Please keep us informed here as there are many lurkers most interested in your activitys with this group of off the wall sailors. 8)
Do it NOW, before it`s too late!

Offline noodle

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New Multihull Class in Auckland
« Reply #2 on: October 04, 2006, 08:13:32 AM »
The trimarans are definalty a cool class, with 5 boats now in semi sailable modes, it is mine in the video posted by boo boo, you'll notice there are several semi major issues with it and hence it is now under going some modifications but should be back yachting within 2 weeks.

It should be noted that 4 of the tris have come from the same male moulds, however all are now somewhat different from eachother.

Rules for the XM800 (xtreme multi)
mutli hull
800mm long hulls
1.8m max rig height (overall section length)
allowed 200mm overhang from the bows (eg for prods)
and 100mmm overhang from the sterns (eg for long booms, stern hung rudders etc)

hope i got that right
hy build 1 when you can build 2 for twice the price

Offline noodle

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New Multihull Class in Auckland
« Reply #3 on: October 04, 2006, 08:18:04 AM »
with regards to the moulds/floats question posted by Ian,  they are male moulds and dont provide an acceptable finish for something that i would be prepared to sell to people, however they are currently sitting at my house and if any one would like to borrow them and pop of some hulls for themselevs they are more than welcome, more the merrier in this class i reckon,

the only conditions are the moulds must come back to me asap, as several other people are interetsed in borrowing them and i imagine i will be building more in the near future.  i live in northcote but if you are intereted give me a call 027 2100 941
hy build 1 when you can build 2 for twice the price

Offline BooBoo

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New Multihull Class in Auckland
« Reply #4 on: October 04, 2006, 08:36:49 AM »
Hey Ian,
Actually not a fred flinstone line but insted Yogi and Booboo bears and the park ranger in yellowstone park.......
Just my nick name for the last 10years.

Had a good race last night with only 3 boats but godclose racing, seems that Tacking is the big issue. If you parked in a tack it was game over with the speed these things do.
f it breaks it wasnt strong enough anyway.....

Offline MultiFAST

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New Multihull Class in Auckland
« Reply #5 on: October 04, 2006, 02:17:38 PM »
Curious with two questions ...............

1. Easy one first:  Any chance to get some close-up static photos of details of the successful boat(s)? Beam mounting, winches and sheet set-ups, etc.

2. A bit harder: Am wondering why you chose 800 mm instead of the slightly larger 1 Meter designs?  Surely space and cost of materials didn't have that much of an impact for the size differences !  

"Up here" they tried 914 mm sizes and they were too hard to sail (as I am told) and died out after only a short time, so now we have 1 meter and 1.2 meter size boats trying to be developed into sizeable classes.  

thanks.
ick Lemke
Minnesota, USA

Offline BooBoo

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New Multihull Class in Auckland
« Reply #6 on: October 04, 2006, 04:22:27 PM »
To be honest we just guessed a size after we all had built 600mm monhulls and raced them for a while.
We would have considered making them longer if we had known of a decent class around that size.

I dont think you really want to see how we have set these things up, most of them are pretty rough home builds and are pretty 'rangi' as we call it down here. Rough but ready!

There are some interesting concepts going on with overlapping code zeros and all sorts, I will try and get some photos at some stage.

The 800s are quite tricky to sail but we are starting to get the hang of it now. Sailed last night in a nice breeze with out a single capsize.
Maybe we are not pushing them hard enough! Bigger sails!
f it breaks it wasnt strong enough anyway.....

Offline IanHB

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New Multihull Class in Auckland
« Reply #7 on: October 04, 2006, 04:47:18 PM »
Yes of course "smarter than the average bear" all good fun stuff.
In a funny voice..... Hey Boo Boo........tanks (sic) for coming back so quick.
As you can see you have generated quite a bit of interest.
Keep that information flowing.

I looked up Yogi Bear and found some great names for boats.
Do it NOW, before it`s too late!

Offline BooBoo

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New Multihull Class in Auckland
« Reply #8 on: October 05, 2006, 10:37:33 AM »
"Hey Booboo, Whats in dat picinic basket..." is another well used one...
I suppose I could think of worse cartoon charaters to be named after.

Hopefully we get a few other Multis down to see how we shape up against the production ones.
Built myself a nice new light Main last night after keelboat racing. Glamor I reckon.

Think my next wee project may be a footy. They look like good fun
f it breaks it wasnt strong enough anyway.....

Offline IanHB

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New Multihull Class in Auckland
« Reply #9 on: October 05, 2006, 12:41:35 PM »
Mate, your groups approach to the FOOTY challange should be most interesting to see.
There appears to be some thinking outside the box within your little group of sailing friends.  Let`s see what you can do with 12 inches.  :roll:
Do it NOW, before it`s too late!

Offline BooBoo

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« Reply #10 on: October 05, 2006, 01:13:27 PM »
Mate, there is alot I can do with 12 inches, just ask my girl....... (that is 3 inches 4 times.)

I had a look at the Footy webside and most of them look damn ugly!
Been throwing a few ideas around my head. Got to get the Tri sorted before I start another project....

Starting to get the Square Head mainsail designs cocked now, seem to pop thru OK and not fall off at all. The biggest issue is getting the battens to pop thru in the light stuff. The trick is not too much shape but enough to support the big roach.
f it breaks it wasnt strong enough anyway.....

Offline IanHB

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New Multihull Class in Auckland
« Reply #11 on: October 05, 2006, 03:33:31 PM »
Quote
Mate, there is alot I can do with 12 inches, just ask my girl....... (that is 3 inches 4 times.)

Yes I have seen the pictures on the internet. :D  :wink:
Do it NOW, before it`s too late!

Offline IanHB

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New Multihull Class in Auckland
« Reply #12 on: October 05, 2006, 03:41:25 PM »
Seriously though, if you would like to move on to Footys then you could not do better than talk with Brett McCormack who contributes here and is the "Godfather" of the Footy class.
http://homepages.ihug.co.nz/~bsmack/
Best wishes.
Do it NOW, before it`s too late!

Offline BooBoo

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New Multihull Class in Auckland
« Reply #13 on: October 05, 2006, 04:35:17 PM »
I think Im a fair way off building one but maybe after Im bored of the Multihull project.
Me and Nodle will be sailing our Tris down at pupuke tonight if anyone wants to have a look.
Plenty of breeze so we will have a bit on!
f it breaks it wasnt strong enough anyway.....

Offline BooBoo

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« Reply #14 on: October 09, 2006, 12:40:09 PM »
Ripped my fin off and moved it 20mm further aft to allow for some more mast rake without too much weather helm.
Will see if it helps.
f it breaks it wasnt strong enough anyway.....