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Building a 27 Custom Express

Old 10-03-2014, 07:16 AM
  #4921  
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Originally Posted by jki4405 View Post
Since you already have engines on the boat, why not just run it now before you paint it in case you need to tweak the running surface or make any other changes? Add some fuel, sand bags through out to get as close as possible on weight distribution, and build a 2x4 stick helm to temporarily mount your wheel and throttles. Seems like you could do that as soon as this weekend and eliminate the anticipation. Some production companies do this with running plugs that have nothing more than a plywood floor in them.
Joel,

Yes builders do it all of the time and for many reasons. I will be rigging the boat and running it as soon as I can. It may be a while because I'm building it with spare money. To rig it with steering alone I'd be looking at about 1500.00 batteries 400.00, props about 1200, so a three grand minimum. But like I said, as soon as I can, I will run her. When I do I will simulate the weight as best I can.
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Old 10-03-2014, 09:01 AM
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Originally Posted by GCC View Post
Joel,

I'd be looking at about 1500.00 batteries 400.00, props about 1200, so a three grand minimum. When I do I will simulate the weight as best I can.
You will need $3-400 for beer don't forget.

I sincerely hope you can get her to your liking...been reading this since I joined and have learned tons.
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Old 10-03-2014, 09:08 AM
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Originally Posted by Barnacled View Post
You will need $3-400 for beer don't forget.

I sincerely hope you can get her to your liking...been reading this since I joined and have learned tons.
let me know when this is and I'LL BRING THE BEER
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Old 10-03-2014, 12:41 PM
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Come on Noah. Im ready to drag some baits on that whip.
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Old 10-03-2014, 05:39 PM
  #4925  
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Originally Posted by Mark Smith View Post
Come on Noah. Im ready to drag some baits on that whip.
You aint tha only one skippa! You know where Im at 5 days a week so its kinda hard to make a lot of progress, but Im hopin to be done before Gorenflos 2015...Gonna beat that bar up!
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Old 10-04-2014, 05:04 PM
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I know thats right bro. I am gonna drag down to venice to chase shrimpboats one day this week or next if you got any sick days.
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Old 10-04-2014, 05:52 PM
  #4927  
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Originally Posted by Mark Smith View Post
I know thats right bro. I am gonna drag down to venice to chase shrimpboats one day this week or next if you got any sick days.
Sent you a PM...
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Old 10-06-2014, 01:43 PM
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Originally Posted by GCC View Post
Yeah he's grown a bit....
It will be his by the time you finish it.
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Old 10-10-2014, 04:34 AM
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GCC, if you think your boat doesn't run true, concrete will be your friend to adjust it out. Once you run it, get a shit load of big rocks. Add to different spots in the bilge. Adjust as needed. Once you get things like you want, replace rocks with concrete. That is done all the time. Or lead bars work too!

By the way, she is looking good. Stay on course.
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Old 10-10-2014, 06:41 AM
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If it's any consolation, I fished on a newer 51' highly regarded custom yesterday. Had a great talk with owner about his and other hulls this builder had built. Damn near every hull they have completed had quirks re. ride/attitude, etc. that took tweaking post-launch to straighten out.
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Old 10-10-2014, 09:49 AM
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Default Assessing a project prior to start

Regarding the hull design discussion – there’s a reason why highly experienced boat/ship designers (Naval Architects and Marine Engineers) survive in business. It’s because they have long resume’s of proven work. This goes for small boat designers up to major ships ‘of the line’. The US Navy now spends up to 20 years designing and testing new hull forms and power combinations before production commences, because there are no full-scale prototypes. And most ‘new’ designs are take-offs from long existing designs. The latest carrier, USS GERALD R. FORD, uses the same hull lines as the original USS NIMITZ, designed in the ‘60s. I’ve seen the hull drawings, with the signature blocks dated 1968 (of course there are thousands of changes introduced over time, but the same general lines remain). The same ‘tried and true’ approach applies to small boats. Boston Whaler is a good example of evolving hull designs that work well with incremental improvements, highly tested, introduced over time. When you buy one, you are paying for their investment into making sure the hull works reliably in a predictable manner. This is not to say there’s nothing new worth considering, but you introduce risk when you go down that path. An America’s Cup designer can (and must) work in that environment, but has wealthy backers willing to take the risk.

For anyone considering a DIY build, you might consider using a risk trade-off analysis before proceeding. Develop a list of important considerations (about 5, such as estimated build cost, designer experience, owners’ reviews, projected performance & maintainability, suitability to your operational needs, etc (these are called ‘the ilities’ in Navy design)), give each a weighting factor (1-10, with 10 being most important). Then evaluate how any given design rates for each issue and multiply the ratings by the weighting factor. Add them up and compare results. This approach removes a lot of the subjectivity in evaluating what you want to proceed with. Of course there will always be some of ‘what I want’ in the decision. Validating the data used (such as designers’ skill) is a key, and apparently a major issue in GGC’s project. The school of hard knocks is the most expensive education you can get.
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Old 10-10-2014, 10:36 AM
  #4932  
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Thanks for the comments. The build is continuing, and will be completed. I'll deal with whatever issues I have with it (if any at all) in the end. If I have to hire a crane to roll her over and reconstruct/design the bottom then so be it. I may just know a few builders with enough salt to do it the right way too...
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Old 10-10-2014, 12:07 PM
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...and hats off in honor of the build (sorry I mis-spelled your handle...GCC). Fantastic work quality as seen in the photos and descriptions. Unbelievable work ethic (4.5 yrs, raising kids, working FT, keeping the wife happy...your are keeping the wife happy, right? RIGHT?!?). Have you named the craft yet? How about Endeavor To Endure ;-)
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Old 10-10-2014, 12:50 PM
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Salty Soul is the name I believe.
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Old 10-10-2014, 03:17 PM
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Originally Posted by LWalker View Post
Salty Soul is the name I believe.
You are correct.
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Old 10-11-2014, 08:49 AM
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One other thing that's at least worth considering is towing tests. Bow eye, and some chunks of weight will potentially give you more accurate ideas of loading and how she will behave at lower speeds. Obviously you're going to need a massive tow pig to do it, but it's something, rather than building into the unknown.

I was there with one of my previous boats, first hull of her kind. She ran straight and true, luckily, but the amount of spray, and the bow-high attitude both were unanticipated issues.

E
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Old 10-14-2014, 09:54 AM
  #4937  
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GCC sry to stick my neck into your build thread but I need to ask Tarbaby a question

Will you take a look at this and let me know what you think Tarbaby? boat is in Williamston

http://www.thehulltruth.com/dockside...wear-keel.html
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Old 10-14-2014, 08:20 PM
  #4938  
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Originally Posted by cfarmd View Post
GCC sry to stick my neck into your build thread but I need to ask Tarbaby a question

Will you take a look at this and let me know what you think Tarbaby? boat is in Williamston

http://www.thehulltruth.com/dockside...wear-keel.html
No worries bro. I'm sure Tarbaby will reply once he sees it.
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Old 10-16-2014, 11:55 PM
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Williamston NC ? i went to school down there i miss it
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Old 10-17-2014, 06:36 AM
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Originally Posted by SmokeStacks View Post
Williamston NC ? i went to school down there i miss it
what school?
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