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#216781 - 07/30/10 10:12 AM Newer marstrom tornado vs older  
Joined: Jun 2005
Posts: 302
orphan Offline
enthusiast
orphan  Offline
enthusiast

Joined: Jun 2005
Posts: 302
Daytona Beach Florida
Can anyone tell me it Marstrom made any design/construction changes in the hulls/blades/rudders between a 1990 tornado and a 2001 tornado?

Last edited by orphan; 07/30/10 10:13 AM.
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#218806 - 09/02/10 08:47 PM Re: Newer marstrom tornado vs older [Re: orphan]  
Joined: Jun 2001
Posts: 1,911
arbo06 Offline
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arbo06  Offline
Pooh-Bah

Joined: Jun 2001
Posts: 1,911
South Florida & the Keys
I guess the answer is "no".


Eric Arbogast
ARC 2101
Miami Yacht Club
#219955 - 09/20/10 02:56 PM Re: Newer marstrom tornado vs older [Re: arbo06]  
Joined: Jul 2001
Posts: 1,197
Tornado Offline
old hand
Tornado  Offline
old hand

Joined: Jul 2001
Posts: 1,197
Vancouver, BC
No significant changes. Boards/rudders on earlier years had vent holes to handle pressure changes. Otherwise still made of wood, same "reflex" rudder cross section & profile. Same board profile.

Hulls are all from the same mould. All are Nomex Honeycomb core. No known changes to internal structure or layups. Post 2001 boats have spin-pole bridle fittings already in the bow tips.


Mike Dobbs
Tornado CAN 99 "Full Tilt"
#221053 - 10/06/10 03:02 PM Re: Newer marstrom tornado vs older [Re: Tornado]  
Joined: May 2003
Posts: 4,451
Rolf_Nilsen Offline
Rolf_Nilsen  Offline

Carpal Tunnel

Joined: May 2003
Posts: 4,451
West coast of Norway
Actually, I seem to remember something about changes to the hull shape but it is all dim and hazy.

#221214 - 10/07/10 01:34 PM Re: Newer marstrom tornado vs older [Re: Rolf_Nilsen]  
Joined: Jul 2001
Posts: 1,197
Tornado Offline
old hand
Tornado  Offline
old hand

Joined: Jul 2001
Posts: 1,197
Vancouver, BC
The Marstrom hull cross section is different than other builds. Most noticably around the aft section of the hull...Marstrom is quite rounded where others (like SailCraft) are flatter or angular. There are small variations permitted from the official section templates...but these don't give much performance advantage across all sailing conditions.



Mike Dobbs
Tornado CAN 99 "Full Tilt"
#221462 - 10/11/10 03:56 PM Re: Newer marstrom tornado vs older [Re: Rolf_Nilsen]  
Joined: Nov 2005
Posts: 1,203
TEAMVMG Offline
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TEAMVMG  Offline
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Posts: 1,203
uk
It was sailcraft that did most of the tweaking of hull shapes

Some sailors were able to recognize a 'Front fatty' or a 'Middle fatty' at a distance


Paul

teamvmg.weebly.com
#221707 - 10/15/10 04:16 PM Re: Newer marstrom tornado vs older [Re: TEAMVMG]  
Joined: Jul 2001
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Tornado Offline
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Tornado  Offline
old hand

Joined: Jul 2001
Posts: 1,197
Vancouver, BC
That might be true for SailCraft in the UK, but I'm most familar with SailCraft of Canada...which my Dad co-ran until the late 1970's. Hull shapes were pretty consistent up until they went T-U in the early 90's. There was only one set of hull/deck moulds present when the company folded up...I know b/c we took in & stored all the left over equipement/stock for the final owner (which he never came back to claim to this day).



Mike Dobbs
Tornado CAN 99 "Full Tilt"

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