RE: Duplicating an existing hull...ETHICALLY!  
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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 1:54 AM   
Paul M


 

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Status: offline 		Looks great Scott. MAN, I wish thiis thing were big enough for side by side twins. It would benothing to get this thing ready to paint.

I'm dreading the prep work I'm going to have to do on what I think I'm getting.

BTW - I thought I was the only one on the planet saying "spooged"

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 2:17 AM   
Dreamin Hemi



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Status: online 		Inlines are not out of the rhelm of possibility....


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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 2:49 AM   
nothinbetr2do


 

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quote:

ORIGINAL: Dreamin Hemi

Inlines are not out of the rhelm of possibility....


o-yeah. should i be thinking about a second motor?  would 2 make it go faster?  would it need a second drive set up, or can 2 motors be linked into one prop? is this something that should be done now or can a second motor be added after the first one is set up and running?

< Message edited by nothinbetr2do -- 6/11/2009 2:54 AM >

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 2:58 AM   
nvs motorsports


 

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Status: offline 		A good mod zenoah will be suffice i think inlines will upset the cg a lit due to to much weight on top of tunnel single engine will definately handle turns better

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 4:10 AM   
Dreamin Hemi



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Status: online 		Oh yeah, fogot about the whole physics thing with the added weight on top that tall deck.  Still used to the mono's.  May not be great in the corners, but flat out would be sick in the straits!!!  I still wish to do that sometime.  Wonder if it's possible to stuff the engines in the sponsoon areas?  Would be a tight fit, but looks like it's doable.


< Message edited by Dreamin Hemi -- 6/11/2009 12:18 PM >

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 4:56 AM   
dreamwakes


 

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[[/quote]

Your absolutely right.  Sort of like quitting smoking I suppose.  Just have to stop cold turkey!  This hatch is my first test of NOT using it.  Hate the stuff, but just as mentioned before it's a safety net.  Once this pull is made, I'll add a few more coats and next hull will be PVA-less.


[/quote]


Hey Scott, I did not mean to infer that pva is horrible stuff, tis a excellent product and serves its purpose admirably...keep up the good work!!... 

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 10:54 AM   
Dreamin Hemi



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Status: online 		A good product it is, however not good for getting a great finish.....especially in a garage/shop environment.  Just pulled out the hatch last night when I came home....a little harder to pop out, however the part looks perfect!  Great shine on the direct to mold finish and guess what....NO PVA WAS USED!  Actually came out a little easier than planned.  I'll show some pics later this morning.  


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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 12:06 PM   
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Status: offline 		It'll get easier the more parts you pull out .

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 7:14 PM   
Dreamin Hemi



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This morning I had Bobrien meet me in my shop as he wanted to be there for the great "opening of the mold".  I patiently waited for him to arrive....seemed like hours went by just knowing what I was headed to do.  Once he arrived, we jumped on the mold.  He was suprised as how heavy this entire mold actually is when bolted together with a hull inside.

We started by removing all the clamping bolts.....something like 23 of them???  Doing so my hear started racing....

Using my plastic wedges we forced them into the seam where the halves meet and began lightly tapping them in.  Immediately began to hear the popping sound of the pieces separating from each other.  Worked our way around the edges using the wedges to free up all the way around.  The mold simply lifted apart. 

Shown here is the upper deck of the newly born hull.  Notice the flash around the seam area....the gelcoat spooged in nicely (although next time won't use so much!)   So far looking good....

PS, thanks for stopping by Bill...!



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< Message edited by Dreamin Hemi -- 6/11/2009 8:16 PM >

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 7:28 PM   
Dreamin Hemi



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From the upper deck to the lower.  This was the easiest pull.  A few easy hits on the mold with a rubber mallet was all it took to free the lower deck loose from the mold.  Here you see the new hull easily lifted out. 

Other shots show the amount of flash that remained on the hull.  This was very easily removed using my plastic wedges.  Like mentioned by NVS, the actual seam is practically non existant due to the location.....very nicely placed by the way .  So far everything looks great.  The flash knocked off easily, and as I expected, just a minor gelcoat repair on the lower bottom edge due to too much PVA used.  Since the non-pva'd canopy came out nicely, the next hull will not use the stuff and will have an even better appearance than what you see here.  I'm absolutely pleased with the results.  

Now that I have built one of these, there are a few changes I'm making to the molds.  First, making the flange on the seating area of the upper deck wider.  It's a bit tight!  Secondly, installing the rails before joining the deck together...just need to mind the transom wood attachment to the upper deck.  So far that's about it.....  This thing looks awesome!

Next post shows the complete results......


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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 7:43 PM   
Dreamin Hemi



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Meet your..........

"NEMESIS" Catamaran


Had to make my 2,000'th post a big one!  hehe.  As you guessed, we (NVS and I) choose to name this new hull "NEMESIS"

Shown here are the final results of the many hours and late nights.  This is a very exciting moment for me to see the final product.  First out of the mold is a success.   Like I mentioned, a few minor corrections, and I'll be even more pleased.  Kitchens open......let the production begin!


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< Message edited by Dreamin Hemi -- 6/11/2009 7:48 PM >

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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 7:48 PM   
Hesco Racing


 

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Status: offline 		That boat looks stunning. Great job.


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RE: Duplicating an existing hull...ETHICALLY! - 6/11/2009 9:21 PM   
martno1fan



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Status: offline 		Very nice Scott she looks great  mate.
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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 1:05 AM   
bondobuster


 

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Status: offline 		Scott, congrats on a succesful new project. Can't get over the styling of the boat. Can you give us size/ weight specs on the finished hull? Again the Maestro has come up with another masterpiece!!!!!! BRAVO!!!

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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 1:27 AM   
Dreamin Hemi



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Status: online 		Hey thanks a lot guys.  It was a fun ride. 

As far as some specs go, here they are!



NEMESIS CATAMARAN

Overall Length:  49.5"
Total Beam: 14.75"
Height to top of deck (from sponsoon bottom to highest point on deck):  5.5"
Total height incl. canopy highest point:  9.25"
Weight on THIS lay up:  8.1 lbs with polyester resins (seems good, can of course adjust) 


< Message edited by Dreamin Hemi -- 6/12/2009 1:28 AM >

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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 3:07 AM   
nvs motorsports


 

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Status: offline 		Well done Scott looks awesome
The weight seems good im around 7.8 pounds so your on the money hows she feel for strength thesides should be indestructible the way the join is designed

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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 4:21 AM   
infinityteg


 

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Status: offline 		Hi scott

Thanks for the thread. its been great reading and a real learning curve. I am in the process of making a plug for a jet sprint hull and am working on the seamless finish.
just one q? When joining the hull and deck, does it have the whole seam taped or is it just the sides taped and the front section of the hull/deck bonded together with the gelcoat/bog mix

thanks again
cheers
steve


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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 11:25 AM   
Dreamin Hemi



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Status: online 		Steve, access is very limited, however using an arrow shaft taped to my brushes, I'm able to glass the length of the entire sides.  Also the 90 degree area across the sponsoons is glassed.  The only areas NOT glassed are the ones inside the sponsoon areas up at the fork.  Here I had placed more bog since I knew access was almost impossible.  So only about 7-8" of the nose is not taped, fortunatly not in a critical area.


< Message edited by Dreamin Hemi -- 6/12/2009 1:04 PM >

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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 1:17 PM   
dreamwakes


 

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Status: offline 		Nice job Scott, one of the great messages in this thread is it shows anyone out there  buying  hulls  what they should look for in hull construction quality before forking out the dosh.

There are those who will always copy unethically!!...but generally speaking those who engage in this trade do not have the skills to build their own ideas and this follows through into the quality of building/ laminating in the finished product., A trained eye will see these defects and know they are not getting a product built with pride.

Thankyou for training those eyes.


   

.

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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 7:29 PM   
Gerwin Brommer


 

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Status: offline 		Scott for president !
Outstanding job !

Ps : I did send you an email with another mindblowing project...

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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 8:51 PM   
macz


 

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Status: offline 		WOW!! Scott great job...can Il trade you my cat for one of yours.....lol.


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RE: Duplicating an existing hull...ETHICALLY! - 6/12/2009 10:28 PM   
nothinbetr2do


 

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scott, the boat looks sweet, great job with it. i like the name to.  when i get the decals made for it, i'm going to include the name to. just not sure where i'm going to put it yet. maybe across the back or something. as i want to flame the rest of it. anyway again, great job with it and thanks for posting all the pics and info. i also returned your pm, tony



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RE: Duplicating an existing hull...ETHICALLY! - 6/13/2009 12:40 PM   
Dreamin Hemi



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quote:

ORIGINAL: Gerwin Brommer

Scott for president !
Outstanding job !

You guys are too much...I hate politics!!!  lol

Thanks for the kind words. 

Making minor flange alterations to the molds and will be reconditioning the molds using the box full of conditioning and release products that TR was kind enough to send to me....one can of everything they offer!!!  I'll probably show the steps involved here, I don't know.  Definately don't HAVE to with these new molds, but I found out the sealer I had was not what I was supposed to use.  With the entire line of TR products in hand, I know the first release of a hull without PVA will be a success.  Would still be ok without doing this, but hey....it's summer here and I have 3 months off from students until the next school year! 



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RE: Duplicating an existing hull...ETHICALLY! - 6/13/2009 1:07 PM   
twindaddy66



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Status: offline 		Nice Scott, VERY nice. Congrats....oh hey...where are the cigars???

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RE: Duplicating an existing hull...ETHICALLY! - 6/13/2009 1:25 PM   
Dreamin Hemi



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Status: online 		The man is coming over to pick up this #1 hull today.  May have to burn one with him back here in my shop as we add some gear after we return from Aeromarine Laminates this afternoon with all his hardware. 


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