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Ouch.. Boat fall from crane in marathon
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That suks !
Nice reporting (not) "A luxury speedboat..." |
9 out of 10 boat builders agree....That IS NOT the preferred way to create an opening for a Bomar hatch....
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Poorly built!
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beak was too heavy!
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Wow that is terrible.
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A fountain having rot issues...say it isn't so? Lol
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Glad no one was hurt. Man that sucks. Im kinda curious as to why that happened those Fountain SV's are pretty well built, I wouldnt think something like that was even possible.
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That is wild.. Beer cooler in the cabin loaded too early I guess.
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They just won their class so I guess it wasn't as bad as it looked. Barring any GPS breakout of course.
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Originally Posted by AZMIDLYF
(Post 4453261)
They just won their class so I guess it wasn't as bad as it looked.
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Minus all the lifting gear too.
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they worked all nite to repair it.you should have heard it hit the ground !!! it landed hard .I was 10 feet away .fortunately it was so low to ground when it went
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Poor rigging.
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"Yo, Bubba, does that stringer look right to you?"
"I think you're right Moe, Imma get a better look at it; hold on a second." https://www.youtube.com/watch?v=_NkupMuKq7s |
Originally Posted by dlange
(Post 4453396)
Poor rigging.
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Originally Posted by murfman
(Post 4453421)
How do you call that poor rigging?
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My thoughts as well ^^^
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The "D" rings in the deck were through bolted, all the way down through aluminum angle prob 36" long. The entire bulkhead ripped out of the boat and through the deck. This was fiberglass, rot, maintenance issue.....
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1 Attachment(s)
That was not poor rigging, that was structural failure of lifting hook mount.
The rigging was at a very minimal angle more than sufficient to safely lift up without putting a lateral load on the lifting points or needing a spreader bar. You can hear the bulkhead and deck popping right before it lets go. There is even a section of the boat that pulls out with the rigging. I know a little something about rigging. |
Originally Posted by Tom A.
(Post 4453555)
That was not poor rigging, that was structural failure of lifting hook mount.
The rigging was at a very minimal angle more than sufficient to safely lift up without putting a lateral load on the lifting points or needing a spreader bar. You can hear the bulkhead and deck popping right before it lets go. There is even a section of the boat that pulls out with the rigging. I know a little something about rigging. |
This may be a really dumbass question from a rookie, but on a boat that size why lift it? Why don't they just launch it like all us low folks?
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Originally Posted by DRAG
(Post 4453707)
This may be a really dumbass question from a rookie, but on a boat that size why lift it? Why don't they just launch it like all us low folks?
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LIFT POINTS, hardware, materials, center of gravity, load capacity, tag lines etc are all considered rigging.
Failed RIGGING was to blame when a lift point broke free from the load the crane was attempting to pick. You a crane hand as well Tom? |
Originally Posted by DRAG
(Post 4453707)
This may be a really dumbass question from a rookie, but on a boat that size why lift it? Why don't they just launch it like all us low folks?
Originally Posted by mike tkach
(Post 4453714)
i was thinking the same thing,it seems to me like it would be quicker to back the trailer in and drive it off than lifting&setting it into the water.
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Originally Posted by dlange
(Post 4453821)
LIFT POINTS, hardware, materials, center of gravity, load capacity, tag lines etc are all considered rigging.
Failed RIGGING was to blame when a lift point broke free from the load the crane was attempting to pick. You a crane hand as well Tom? As for the how far do you call it rigging, its really splitting hairs when the certified lifting hook or eye is still embedded in the material itself that gave way. We had a similar situation on a precast concrete section that broke free. The lifting eye was still firmly embedded in a chunk of concrete that sheared off do to what appeared to be an air pocket in the pour. The final analysis was the rigging was 100% and the material it was lifting failed. To me this is the same thing. If you pull out a piece of bulkhead, the boat failed not the rigging. |
I,ve known the correct answer to what happened all along .
SOMETHING BROKE !!!!!! :helmet: |
Not a crane man here but I would think the load that was being applied to the hook not being a straight up load helped shear the bulkhead out of the boat.The bulkhead might have not given way if it was lifted straight up vs being pulled to the back of the boat
Tom, Your picture is lifting what looks like an I beam to me. I do not think there is a beam keeping the lifting points separate, is there? |
I work at Arby's. I apologize for posting and wasting everyones time. I don't even own a boat.
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BTW this is about a 15 year old RACE BOAT that we are talking about here, it probably weighs 8000# is was one of Fountain's factory built boats......
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My guess is it was full of rain water and pumps were not connected to battery. There for too heavy for its lift points.
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The crane weighs the race boats when launching the boats before a race an when retrieving the boats after a race. Has to be in compliance with there class.
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2 Attachment(s)
Again, there are all types of rigging and correct ways of lifting. Without going into geometry and lateral loads, those types of lifting cables and the eyes attached to the boats are designed to lift straight or on an angle and as long as they stay within certain limits. Most of the lifting eyes are designed to have very little lateral load when picked at a 45 degree angle or less. You need stronger cables as the angle shrinks however.
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Originally Posted by dlange
(Post 4454031)
I work at Arby's. I apologize for posting and wasting everyones time. I don't even own a boat.
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Originally Posted by Keytime
(Post 4454119)
For fast food, you guys make a fine Reuben. Just sayin'.
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Originally Posted by AZMIDLYF
(Post 4454150)
Jamocha shake not too shabby either!
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Originally Posted by Keytime
(Post 4454174)
And those curly fries! I know I shouldn't eat 'em, but it's a guilty pleasure.
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Originally Posted by glassdave
(Post 4453827)
Most times it much easier at certain venues plus a lot of racers just dont want to dunk the trailer in salt. In our case with the cat it had crash boxes and getting around a marina ramp can be difficult.
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My guess is the foam stringers covered with one layer of 17-08 finally failed while lifting.
These light weight built boats are not built for a lifetime of service. Be glad it failed on land , now send it to the grinder and build a new one. There is a ton of old racing sailboats that see a 1000th of the direct impact these boats see that have been destroyed. |
The bottom line is that years of being craned in and craned out of the water took it's toll on the mounting points/glasswork of the D lifting rings and failed. It does not make the boat a bad boat and is something that was not easily recognized or diagnosed. When you're lookiing for structural fatigue in a race boat you are usually looking at stringers, transoms, bottoms, etc; not the joint where the bulkhead meets the deck or lifting eye. The boat was repaired and went on to win P3 class with an average lap speed of 73+ mph..
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