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Old 09-20-2018, 07:35 AM   #1
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Try this with a deep v

I thought this was an interesting video.
I have no connection to this mfgr.
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Old 09-20-2018, 08:13 AM   #2
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Didn't see anything a very stable deep vee couldn't handle in the right hands.

Lots of the right sizes boats in all hull designs could scare you in some of those waves.
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Old 09-20-2018, 08:58 AM   #3
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I have been in worse water in the chesapeake bay. We crossed back from eastern shore with these steep 6 foot rollers and more.The period was half the boat length so about 15 to 20 foot between crests. Bad enough I sat down and let my son in law pilot us back. After we got half way across they subsided. We were pummeled for a good 40 minutes. Boat was like going into free fall every few seconds. You could not go into the lower front cabin.
He said it was a good test of the hull. We did not sink or break. Everything went flying inside and the oven door slammed open and bent down. (weak springs) I tied it shut. When I first saw them I was shocked and amazed at the waves.
If he had not wanted to get back to port, I would have waited maybe all day at the breakwater to see if they would settle down.
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Old 09-20-2018, 10:01 AM   #4
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Greetings,

Aside from the "challenge" (Try this...) in the title, it's interesting to see how that boat "rides". As noted, this particular vessel is being marketed as a dive/CG training vessel BUT how will a substantial load effect ride and handling? It appears to be completely empty in the video.

Eg:





I've watched lobster style boats on occasion and have always admired their ability to handle what I consider "heavy weather". Better them out there than me but given the experience of the captains. It's probably old hat to them.
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Old 09-20-2018, 10:24 AM   #5
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This is Trawler Forum.
Don’t recall any “deep vee” trawlers.
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Old 09-20-2018, 10:25 AM   #6
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Old 09-20-2018, 10:31 AM   #7
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I'm envious of the speed on the following sea. Our boat could handle the headsea without breaking a sweat. I would have a hard time running downhill in those combers at 8 kts.
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Old 09-20-2018, 11:42 AM   #8
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The old Bertrams were famous for their sea-keepin' abilities, and they all had deep vee hulls. Is a hull considered a deep vee if the deadrise is 16 degrees or more?
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Old 09-20-2018, 11:56 AM   #9
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Quote:
Originally Posted by RT Firefly View Post
Greetings,

Aside from the "challenge" (Try this...) in the title, it's interesting to see how that boat "rides". As noted, this particular vessel is being marketed as a dive/CG training vessel BUT how will a substantial load effect ride and handling? It appears to be completely empty in the video.

Eg:





I've watched lobster style boats on occasion and have always admired their ability to handle what I consider "heavy weather". Better them out there than me but given the experience of the captains. It's probably old hat to them.

No offence meant by the title-just a comparison of hull styles.
Your photo above is of similar hulls-loaded with traps-from eastern N.B. & PEI. This style hull is now being mfgrd in Eastport.Me. also.


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Old 09-20-2018, 01:28 PM   #10
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Greetings,

Aside from the "challenge" (Try this...) in the title, it's interesting to see how that boat "rides". As noted, this particular vessel is being marketed as a dive/CG training vessel BUT how will a substantial load effect ride and handling? It appears to be completely empty in the video.

Eg:





I've watched lobster style boats on occasion and have always admired their ability to handle what I consider "heavy weather". Better them out there than me but given the experience of the captains. It's probably old hat to them.
The Novi and Down East hulls are made to safely work the North Atlantic and carry lots of weight. Dixon, BHM, Duffy, are just a few that come to mind. Mostly semi displacement hulls, round chine, with a full keel. Well built and rock solid boats designed by Spencer Lincoln, Royal Lowell, Arno Day, among others. Every boat is a trade off. With these boats seaworthiness, safety, and reliability come 1st.
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Old 09-20-2018, 01:53 PM   #11
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What makes you think a deep v boat couldn’t handle an inlet like that?
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Old 09-20-2018, 02:08 PM   #12
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What makes you think a deep v boat couldn’t handle an inlet like that?
It probably could. But on a regular basis you would much rather be on the Down Easter or Novi. Much easier motion.
In New England we are surrounded by boats with deep V hulls. C Raymond Hunt (who designed the Bertram and Whaler Hull among many others) has many fine examples of Deep Vee boats. However they were designed for purposes other than carrying heavy loads through rough seas at relatively slow speeds in most cases. Not better or worse designs. Just designed for a different purpose.
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Old 09-20-2018, 02:15 PM   #13
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Greetings,
Mr. d. No offense taken what-so-ever. Ya got me thinking though about another boat...
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Old 09-20-2018, 03:23 PM   #14
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Greetings,
Mr. d. No offense taken what-so-ever. Ya got me thinking though about another boat...
Wifey B: You should go out right now and get one.
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Old 09-20-2018, 03:57 PM   #15
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The first video mentions 50 knot winds. It looks to me like about 25 knots.
The boat handles it well, but it’s not super challenging conditions.
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Old 09-20-2018, 04:11 PM   #16
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This is Trawler Forum.
Don’t recall any “deep vee” trawlers.
What hull form do you think so called swift trawlers have. Or many "semi displacement" boats?
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Old 09-20-2018, 05:25 PM   #17
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If I recall some call that "Bertram Weather", likely because of some of their creative advertising campaigns like this 'Thank God it's a Bertram!' image.


In reality, deep-V Bertrams can be a good choice when the seas kick up a bit.
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Old 09-20-2018, 05:30 PM   #18
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Quote:
Originally Posted by Easting View Post
It probably could. But on a regular basis you would much rather be on the Down Easter or Novi. Much easier motion.
In New England we are surrounded by boats with deep V hulls. C Raymond Hunt (who designed the Bertram and Whaler Hull among many others) has many fine examples of Deep Vee boats. However they were designed for purposes other than carrying heavy loads through rough seas at relatively slow speeds in most cases. Not better or worse designs. Just designed for a different purpose.



Thanks. That was the point of my original post-different hull designs for different conditions & purposes with trade offs in speed/comfort/etc.


It is notable that Novi/PEI/Downeast styles have made great leaps in speed while still maintaining their superior sea keeping abilities.

I believe speed with reasonable sea keeping ability was the original purpose of the deep v design.


Another consideration is the keel protected rudder & prop with the semi displacement hull. Less concern about prop fouling & minor groundings.


Len


They back up rather nicely also (7min)



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Old 09-20-2018, 06:39 PM   #19
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It looks like a panga that grew up. These boats have no numbers, names or markings on them ?? That seems odd.
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Old 09-20-2018, 08:33 PM   #20
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Quote:
Originally Posted by Easting View Post
It probably could. But on a regular basis you would much rather be on the Down Easter or Novi. Much easier motion.
In New England we are surrounded by boats with deep V hulls. C Raymond Hunt (who designed the Bertram and Whaler Hull among many others) has many fine examples of Deep Vee boats. However they were designed for purposes other than carrying heavy loads through rough seas at relatively slow speeds in most cases. Not better or worse designs. Just designed for a different purpose.
So, what made you say (or imply) that a deep vee couldn’t handle an inlet like that?
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