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Ouch.. Boat fall from crane in marathon

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Old 06-28-2016 | 12:42 PM
  #31  
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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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Old 06-28-2016 | 01:50 PM
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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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Old 06-28-2016 | 02:53 PM
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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.
Attached Thumbnails Ouch.. Boat fall from crane in marathon-washington_crane_wire_rope_slings.gif   Ouch.. Boat fall from crane in marathon-forged-eye-bolts-2.png  

Last edited by Tom A.; 06-28-2016 at 02:56 PM.
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Old 06-28-2016 | 02:53 PM
  #34  
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Originally Posted by dlange
I work at Arby's. I apologize for posting and wasting everyones time. I don't even own a boat.
For fast food, you guys make a fine Reuben. Just sayin'.
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Old 06-28-2016 | 04:10 PM
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Originally Posted by Keytime
For fast food, you guys make a fine Reuben. Just sayin'.
Jamocha shake not too shabby either!
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Old 06-28-2016 | 05:43 PM
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Originally Posted by AZMIDLYF
Jamocha shake not too shabby either!
And those curly fries! I know I shouldn't eat 'em, but it's a guilty pleasure.
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Old 06-28-2016 | 09:32 PM
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Originally Posted by Keytime
And those curly fries! I know I shouldn't eat 'em, but it's a guilty pleasure.
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Old 06-28-2016 | 09:38 PM
  #38  
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Originally Posted by glassdave
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.
Good point. I wouldn't dunk my trailer in salt let alone a really nice myco or something
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Old 06-28-2016 | 10:28 PM
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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.

Last edited by tommymonza; 06-28-2016 at 10:32 PM.
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Old 06-29-2016 | 12:30 PM
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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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