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Monstrosity! 1/72 Seawolf

This is the place to post your submarine build- ups.

Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Wed Apr 06, 2011 12:35 am

Thanks for the comments, it makes the hard work worth it :)
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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Fri Apr 15, 2011 1:01 am

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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Mon Jun 13, 2011 1:10 am

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Re: Monstrosity! 1/72 Seawolf

Postby Pirate » Tue Jun 14, 2011 11:16 pm

Fantastic job Joel.

Pete
HOLD FAST
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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Thu Jun 16, 2011 11:13 am

Thanks Pete
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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Tue Feb 28, 2012 12:45 am

Hello everyone...

Here's a quick update on my 1/72 USS Seawolf project.

Everything as far as the model parts has been completed for awhile. I've been writing the assembly manual and preparing the prototype which also is to double as my promotional pictures 'beauty' model. Now it's a matter of editing the manual and I think I can start sending these things out.

Here's a few pictures showing the prototype in its current pre-paint body work status. I want to get the majority of body work done before trimming and then into the paint booth after that process.

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For those interested, everyone is also welcome to check in my HMK page every couple of days as I'm usually posting updates there on a regular basis.
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Re: Monstrosity! 1/72 Seawolf

Postby Sub culture » Tue Feb 28, 2012 6:04 am

Hey Joel, I think that signature pic could do with shrinking a tad! :lol:
'Why are you staring at an empty pond?'

Want to dive your boat in crystal clear water? Then you had better Dive-in- http://www.diveintomodelsubmarines.co.uk
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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Tue Feb 28, 2012 11:16 am

Yikes! Absolutely, Andy. It seems even if I put something small in there the forum blows it up to that large size and pixelates it :(
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Re: Monstrosity! 1/72 Seawolf

Postby Thor » Tue Feb 28, 2012 2:12 pm

Excellent work, Joel! Well done!!

Matt
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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Tue Feb 28, 2012 3:15 pm

Thanks Matt :)
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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Sat May 19, 2012 1:49 pm

It's been one heck of a long time since I've posted anything on the Seawolf so I thought I would share a few words and pictures involving the preparation and trimming of my personal Seawolf for submerged and surfaced operations.

To start with, all the major filling and body work is complete at this point. The hull is left in a primer grey state for the trimming and test run stages to prevent damage to a final paint job. One sad note in passing is the demise of all auto body products that don't conform to the 2.1 VOC emissions rule here in Canada. That means R.I.P. Dupont Nason ful-fil primer (best primer for visibility and easy sanding) and hello Evercoat Durabuild and its' ultra expensive no-VOC reducer. It's not as good but it's the next best alternative that I can find

Everything that will be installed on my boat for normal lake running has to be installed for trimming. This includes all those heavy metal topside fittings like cleats and capstans. The rest of the stuff that include with the metal kit like flag masts etc... are for display only and are removable.

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This is the functioning snorkel. To get it to function in conjunction with the Caswell Snort system I open the induction holes in the mast-head by drilling from the back. A filed 7/32" tube is fit into its hole in the mast head. A couple blows into the tube ensures a clear passage way for induction air to flow. The mast is held in place in my sail by attaching a chunk of 1/4" fuel line over the tube. From there, 1/8" is plugged into the large fuel line and back to the D&E suction/discharge manifold on the top of my Subdriver.

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Re: Monstrosity! 1/72 Seawolf

Postby ManOwaR » Sat May 19, 2012 1:52 pm

Ok, now for some theory here behind trimming this big 1/72 Seawolf. In normal cases for sub trimming the assembler usually is given a purpose sized wtc designed specifically for that particular model or can modify the ballast tank size to what is needed. The latter is accomplished by filling the ballast tank, then adding weight to the boat until it sinks to a proper submerged level. The ballast tank size can then be determined by adding enough foam below the surfaced water line so that the sub surfaces properly to that line....the volume of the ballast tank needed is the volume of the foam used. Now, seeing as my Seawolf is a brand new boat about to hit the market, the ballast tank volume is an unknown commodity. Because of this, David has supplied me with a purposely over-sized ballast tanked Subdriver (9" x 3.25" id) so we can sink and float this baby.

So, the first dunk without foam or weights added and an empty ballast tank showed a very heavy stern and very light bow - full ballast tank sank the boat to the bottom like a rock. This tells me that the ballast tank is more than sufficient for surfacing. This also tells me there isn't enough buoyancy supplied by the permanent dry spaces to lift the boat to a proper submerged condition. This means foam will have to added above surfaced water line

For stability, 16 oz of fishing sinkers were hot-melted to the bottom of the hull...12 oz directly under the ballast tank and 4 right in the bow to balance that heavy rear end. A fair amount of foam was placed where convenient in the stern to provide some lift.

Another dunk showing my stern to have a little too much foam

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Once proper surface level is achieved (backwards methodology I know) I added bunch of foam to the top of the deck and removed small pieces enough to the get the boat to submerge to its proper level. The foam is shifted slightly from one side to another to achieve a zero bubble. This would be to have the top cap of the sail stick out out the water and have the boat sit level under the water.

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With this trim achieved, I can go install all that foam and dunk the boat again for some further fine tuning. For those interested I posted a ton more pictures on the HMK Facebook site (check my signature). Any questions and comments are welcome too, as I'm sure I left a lot out here...

Regards,
Joel
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