The MOD Father
The Tassie Gov thought about this,,
and bought these-
remember?
according to the Maritime Museum in Devonport the reason they stopped using them was --
seasickness with passengers AND crew.
Bass Straight 1
Tassie Gov 0
I have been on one and they were bloody fast!!!
"How long since you've visited The Good Oil?"
'93 V8 Rossi
'97 to '07. sold.
'01 V8 D2
'06 to 10. written off.
'03 4.6 V8 HSE D2a with Tornado ECM
'10 to '21
'16.5 RRS SDV8
'21 to Infinity and Beyond!
1988 Isuzu Bus. V10 15L NA Diesel
Home is where you park it..
[IMG][/IMG]
SysAdmin (Owner)
wave piercing cat.... i bet the hull fractured continually till it became uneconomic to maintain it
having worked on a north sea tug @ 110' and having built and sea trialled several twin hull 110" vessels
i personally much prefer single hull
once you have been on a big cat that buries it's nose you might realise why ...
nice in good water tho.....
2007 Discovery 3 SE7 TDV6 2.7
2012 SZ Territory TX 2.7 TDCi
"Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
"If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
“What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
"We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
"The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius
Wizard
SupporterYes they certainly did fracture the hull, and the superstructure also. After every rough trip they would be welded back up in Melbourne. Pretty soon they stopped running in rough weather.
Having sailed through 8 meter seas on a 120' vessel, I'd agree a mono Hull is better in rough weather. But they can't get near the minimal wetted suurface area of a cat.
Sent from my GT-I9305T using AULRO mobile app
Master
I don't have any naval design experience, but based on first principles, I'm guessing a multi hull will have a shallower draft and thus move faster. However it would also be more buoyant and thus get tossed around more in rough seas.
A mono would be a stronger structure (closer to a "tube" shape in cross section) and would dampen the vertical movement in rough seas' as it sinks into the waves more.
A mono might roll more, but then if a multi rolled over ... it ain't coming back.
Making a lot of assumptions here, but I suspect a mono can handle rougher sea than a multi, all else being equal.
SysAdmin (Owner)
Fastest thing I got to play on was an old pt boat ala mc hales navy..... Ex kiwi manned unit with twin v8 diesels
Nice bit of kit but not real flash in big water
2007 Discovery 3 SE7 TDV6 2.7
2012 SZ Territory TX 2.7 TDCi
"Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
"If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
“What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
"We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
"The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius
Fossicker
I love a good multihull !
A poor designed multi is a death trap but a well built / well designed multihull is good for the back and the soul !
Just my 2 cents worth.....
Master
Power- I like multihulls
Sail - monohull
Absolutely no reason just personal preference
Sent from my GT-I9505 using AULRO mobile app
YarnMaster
Hi,
The best hull in rough weather has to be a sub, preferably at a reasonble depth.
Yep, I get sick on a see-saw.
Cheers
The good old vomit comet...
Wave piercing isn't suitable for that run...
Incat are looking at supplying TT with a new design Cat in the future - around 150mtrs...
For private / commercial in rough seas I've always loved the Harris Shark Cats.
Rough seas I've done on FFG and DE vessels... A fun experience for sure...
Just for the record, I don't get sea sick
AT RESTI traveled on the Cat to Tassie many times and foud it great, fast. but I have sea legs. A lot of oldies and kids were green gilled.
The only pain was driving to PT Welshpool to catch the Ferry, 1.5 hours drive for me. I think it was a 6 hour trip from memory across the Strait.
It was only a summer months event, in Winter I think it went to Canada summer.
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