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Old 26-07-2009, 01:47   #16
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Reputedly the Cyber boats all perform very very well and appear to have good cruising load carrying capability.
Oooh, it has Cyber for a name. It must be really advanced.

Ah, I loved the mid 80's
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Old 26-07-2009, 07:23   #17
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Hi Factodr,


What are the new regulations for vessels over 15 meters? Not that we are looking at going bigger.

cheers
New Insurance Laws for Boaties

Friday, May 25th, 2007 New marine laws will ensure boaties are more accountable for any damage they cause to our waterways.
Transport and Main Roads Minister, Paul Lucas, said today that changes to legislation now means boat owners have new insurance requirements.

“Every year the State Government invests $7.2m to ensure we’re able to react quickly and efficiently to marine pollution,” Mr Lucas said.
“But the current laws make it difficult to recover costs from evasive marine polluters - these changes will hold them more accountable for the clean-up.”
Mr Lucas said the new legislation to the Transport Operation Act now requires all recreational and commercial boats over 15 metres long to have insurance.
Mr Lucas said the specific insurance requirements now are:


- Recreational ships more than 15 metres but less than 35 metres - $250,000 for pollution clean-up; and $10 million for salvage or removal if the ship is abandoned or wrecked;

- Commercial ships more than 15 metres but less than 35 metres - $500,000 for pollution clean-up; and $10 million for salvage or removal and;
- Any ship more than 35 metres - $10 million for both pollution clean-up and salvage or removal costs.
Mr Lucas said Maritime Safety Queensland would phase in the new requirements over 12 months to give owners time to organise the appropriate insurance cover.
“We are trying to make the introduction of these regulations as smooth as possible.”
“We will be writing to all boat owners with vessels over 15 metres to advise them of the changes.”
“The bottom line though, is that boaties have a responsibility to do the right thing on the water and ensure in the event of something going wrong they’re adequately covered to deal with it.”
Mr Lucas said Queensland Transport will enforce the changes through ensuring newly registered vessels have adequate insurance cover
“This will further be imposed with enforcement officers patrolling the water checking for compliance to the changes once they are phased in.
Maritime Safety Queensland will be contacting owners of eligible ships in the next few weeks to advise them of the new requirements. Further information can be found on Maritime Safety Queensland’s website at www.msq.qld.gov.au.
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Old 26-07-2009, 07:38   #18
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Originally Posted by seaman View Post
I had the good fortune to sail on a Tim Mumby 48F catamaran Cyberfor 2000nmiles -Brisbane to Tonga ,most of it against the wind and it totally sold me on its speed and seagoing capabilitys.i have since brought his plans and have started to build one.there are a couple of companys building his designs to any stage try. Harwood marine group Australia or Thailand faraway yachts?. the lizard and eastons are good boats but don't come close in performance.see Langkawi race blogs
If you are building your own this Web site should be of interest to you, that is if you haven't already seen it. I was amazed at what a person with virtually no welding experience could do in a very short period of time when he put his mind to it. Recommend looking into getting the aluminum welder he speaks so highly of.

Sail Palau is the name of our start-up sailing charter tour business to operate in Palau very soon.







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Old 27-07-2009, 06:43   #19
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tim-boats

hey guys...think a couple of ya are on the boat design site too, yah?

Attached some pics from our recent launch of a Mumby cat.

Rumor mill has it Mr Mumby will be back with Trim in Oz very soon...maybe a week or two?? I believe the boat is up for sale. Saw it in the PI...very, very tight, clean, straight, beautiful interior, etc. Plain sexy to me. I don't know how the guy does such a great job so quickly. He's truly a machine. I think my wife put up a vid of Trim going along at 14-18 knots on youtube. Search - cruising catamaran sailing fast Got a couple mates that have also built and since sold and seem to be kickin' themselves in the ass for getting rid of them. The performance is not bs.

There's one in NZ going full steam on a build and another getting ready to join his hulls in Brizzy, so info and help is out there for those looking to build. I assume Tim has plans on him to sell and he does provide more then enough simple to-the-point info to get you through it without too much head scratching.

best -
Jay
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Old 21-02-2010, 08:22   #20
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Mumby Cats

I know how you can contact Tim Mumby and where his cats are being built. I Also own a 48 foot alloy Mumby cat called Chameleon - located in Thailand.

Tim is building a n ew cat in Australia at the moment, one is being built in NZ by owner builder, I think one in South America and two in The Philippines - Cebu.
Tim visits Cebu to check on the two cats being built now and again.

Tims brother and Tim just sold their cats and his brother is also building a new Mumby cat.

.

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Originally Posted by Kicha View Post
G'day

I am trying to find more information on the Mumby catamarans from people who have expereince with them or know of them. I have seen on the web a Mumby 48' aluminium cat (at YachtHub.com). The boat looks nicely finished off and looks like it would be good boat to cruise in and live aboard.

I do not have any experience in sailing cats apart from a short cruise on a Prout 37 with our friends.

The vessel looks fast and talking to the owner performs well in heavy weather. My wife and I are looking at starting our sailing end of 2010.

Interested to hearing views.

Thanks
Kicha

[Edit: as Factor suggested, I've moved this post to it's own thread in the Multihull Forum. -- Hud]
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Old 21-02-2010, 08:29   #21
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Langkawi Race Blogs

Hello,

Langkawi Regatta story I wrote re Chameleon the Mumby that won there. Kilo another Mumby also raced.

Quick cats with Chameleon getting up to 23 knots top speed.

Some good photos on Six Senses Phuket Raceweek, Thailand's most exciting regatta as well of Chameleon racing.

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If you are building your own this Web site should be of interest to you, that is if you haven't already seen it. I was amazed at what a person with virtually no welding experience could do in a very short period of time when he put his mind to it. Recommend looking into getting the aluminum welder he speaks so highly of.

Sail Palau is the name of our start-up sailing charter tour business to operate in Palau very soon.







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Old 21-02-2010, 11:28   #22
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I'm not a neophyte when it comes to welding. I'm actually worse that than since I've absolutely ZERO experience with welding. Can someone comment on the availability of those with aluminum welding experience around the globe. Damage repair would be of great concern to me in some remote locations. Emergency fiberglass repairs can be affected by even neophytes in a pinch, but Aluminum welding would seem to require more specialised training? Or am I even more ill equipped to even comment on the welding process than I already think I am?
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Old 22-02-2010, 05:05   #23
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Aluminum hulls are not prone to electrolysis if you do a few things....

Do not ground your DC system to the hull. This might break a few ABYC rules, but what you want is a "floating" DC system.

Epoxy coat the entire hull with multiple layers.

Have some anodes welded to the hull and replace them when they are more than 50% gone.

Do not use copper based anti-foulant paint. With TBT being banned now, whats available now is horrible so you will just have to scrub the hull more often.

Isolate your shore power from stray DC currents.

G'day Kicha,
Did you buy a BIG tinny?
We have owned a Mumby for 51/2 years now and love her.
Been cruising her for 2 1/2 years up and down the eastern seaboard of Australia.
The first one that Tim built.
She was called 'U2', but is now 'Skellum'.
(I have changed the name of every boat that I have owned).
I saw 'Trim' in MBTBC Marina a few months age, I think Tim has sold her.

Re: aluminium - all materials have their disadvantages. Marine grade aluminium's main one is electrolysis. We stay away from marinas (stray eddy currents), don't hook up to shore power at all (even if you have an isolation transformer almost no-one else will have one), don't like being anchored or berthed near steel boats (don't want to act as an anode for them), don't use an anti-foul with copper in it. Ali is very close to the electrical charge of Zinc so watch your anodes.
One of the beaut things about ali apart from its strength is that it doesn't rust. Some boats only paint up to the waterline and on the deck. If you do get a ding in the paint you have to repaint it otherwise the salt water gets under the paint layer, is trapped and bubbles with corrosion, but its easily treated.
There is a very simple electrical circuit that when you throw a switch immediately tells you if any part of your floating electrical system is down to earth (the Hull), or partially so.
We stepped up from a trailer sailor and Skellum scared the 'ship' out of me initially. She was huge and had so much power. But she's shrunk. Love the size and stability and strength.

Paul
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Old 23-02-2010, 14:15   #24
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For someone interested in building an alloy cat, but unsure of their welding skills, Owen Easton will come to your shed and build an alloy hull deck kit, leaving you with "only" the fitout to do. Prices seem reasonable too.
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Old 16-04-2010, 23:08   #25
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mumby cats (moderator note!!)

(moderator please remove if inappropriate and apologies!)

We're up for selling our our Mumby cat to build another one. In the PI now between Manila and Pt Galera. Serious enquiries only. It's the one pictured above. Just PM me.

thanks!
J
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Old 17-04-2010, 00:04   #26
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Mumby

Hi Jaydh,

Yes still looking, please send me more details

cheers
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Old 25-04-2010, 15:12   #27
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Hi David:
We are considering an M 46 named The Visitor. Know anything about her? Any thoughts on what to look for when we inspect her?
thanks
Steve
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Old 14-05-2010, 23:30   #28
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Mumby aluminum catamaran pics

Hi,

In case anyone is interested put some pics up at Flickr: svtankgirl's Photostream Some old, some new and a few of other Mumby cats getting fitted out for reference.

Thanks,
Jay
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Old 19-07-2010, 02:29   #29
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Hi Jaydh
We purchased LOST from Ben in Darwin last December. Looks like a couple of the interior shots of lost on your flickr site.
Fantastic sailing and easy to look after fitout. Great boats.
Good luck building your new one.

Cheers,

Pete
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Old 21-07-2010, 05:24   #30
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a TIM boat

here is one for sale.

Boats for Sale - Yachts for Sale - Used & New Boats @ Yacht Hub Australia & New Zealand
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