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Spy pics of the new Doug Wright 38

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Old 01-10-2005, 01:26 PM
  #131
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Default Re: Spy pics of the new Doug Wright 38

Quote:
Originally Posted by Doug Wright
SK-190,

To answer your question about the methods of calculating stresses on a race boat? Mark Bishop uses a Finite Element Analysis program to help assist with mathematical calculations to design laminate schedules for the manufacturers, which is an excellent place to start, but the failure of past race boats & what caused the failure is another excellent tool to help with the structural design.

BradH,

The 38' Aero Speed Marine is built in a three piece mold that spits at the keel.
Calculating stress is the easy part. Determining the load cases is the tricky and not always intuitive part. May I ask how the load cases are determined?
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Old 01-10-2005, 01:36 PM
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Default Re: Spy pics of the new Doug Wright 38

Load cases? Is that what I was trying to ask about when I was picturing one of these hull slamming back down into the water from about 8 feet in the air while traveling at close to 100 mph?
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Old 01-10-2005, 01:47 PM
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Default Re: Spy pics of the new Doug Wright 38

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Originally Posted by Mark Mathews
Agreed. My point was that it became affordable in recent years so smaller markets can use the technology too.
Awesome isn't it! Call me a dork, but I've even got it at home.
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Old 01-10-2005, 01:49 PM
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Default Re: Spy pics of the new Doug Wright 38

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Originally Posted by SK-190
Load cases? Is that what I was trying to ask about when I was picturing one of these hull slamming back down into the water from about 8 feet in the air while traveling at close to 100 mph?
Yep, I believe so.
I would love to see some accelerometer data from a boat running 100+ in 5'ers.
I'm sure it would be impressive.
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Old 01-10-2005, 02:01 PM
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Default Re: Spy pics of the new Doug Wright 38

I'm Curious.

Has anyone ever done any CFD on any of these hulls?
It's something I play around with in my spare time. Interesting results...
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Old 01-10-2005, 02:40 PM
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Default Re: Spy pics of the new Doug Wright 38

CFD?

I guess I really went to college for the wrong degree....
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Old 01-10-2005, 03:23 PM
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Default Re: Spy pics of the new Doug Wright 38

Computational Fluid Dynamics.
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Old 01-10-2005, 03:30 PM
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Default Re: Spy pics of the new Doug Wright 38

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Originally Posted by SK-190
CFD?

I guess I really went to college for the wrong degree....
Computational Fluid Dynamics- I'll let one of the more experienced guys explain it.

I'm going to school right now for Naval Architecture, and I only hope to know half of what these guys know about design and rigging when I graduate.
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Old 01-10-2005, 03:37 PM
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Default Re: Spy pics of the new Doug Wright 38

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Originally Posted by Doug Wright
The 38' Aero Speed Marine is built in a three piece mold that spits at the keel.
That would work...Really well. Didn't even think of it.
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Old 01-10-2005, 04:08 PM
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Default Re: Spy pics of the new Doug Wright 38

I have been working with doug over the past year on a new 28' cat and I can say that all of his input has been great. Rob king did all of the style work and doug did the rest we are goona be cutting the plug as soon as the 38' is done I will post some renderings of it soon

Last edited by EvoB; 01-11-2005 at 01:10 AM.
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