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Old 08-24-2006, 10:48 PM   #11
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Lynwood is just across the road to Langford. I am not sure who is building it but I ordered the tank from Aquarium City in Bayswater. 6ft x 18in x 24in tank for $379.

I see I see. My tank will only have a 1 inch strap on the side on front and back because I need the side for the hang on back type skimmer or other hang on gears in future. I am not going to have a sump or refugium or anything like that.
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Old 08-24-2006, 11:06 PM   #12
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Quote:
Originally Posted by DeFeKt
well, as an engineer as well, and knowing a few tank builders, If you mean the bits of angle on the corners don't bother..They are for cosmetic purposes only and offer absolutly no structural strength whatsoever.
If you mean the strapping around the top edges of the tank that the lids sit on, yes bother. it is essential as it IS a main part of the structural strength of the tank.........................
Hi Matt, I assumed he was referring to a continuous rim around the entire perimeter of the tank. Even a low tensile strength plastic rim, when silicon glued to the tank will offer a tremendous mechanical advantage against seperation in the corners. In a small tank I think you'd be okay without a rim. Silicon merely sticks to the glass (and quite well) but it doesn't prevent the glass panes from pushing away from each other if enough force is applied. The strength of the joint is limited to the shear strength of the cured silicon. I agree that decorative corner tabs offer no structural advantage. In one of my calculus classes, of all things, we studied this very subject.

I'm a mechanical/manufacturing with heavy doses of electrical and a minor in math/statistics. How about you? How are the engineering schools down under. I don't know much about them.
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7 month old 100 gallon. Hopefully on my way to a great reef tank. A few small fish and a few small soft corals. T5 HO Lights and ro/di unit.
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Old 08-24-2006, 11:44 PM   #13
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aahh I suspected that was what you meant, I wasn't sure either so I covered both options :P

I'm more a "hands on" experienced engineer, Metals Engineer in the fabrication stream. (Cert 3) Mainly in structural discipline and in aluminium boats (100metres +). Not sure if that means much to you but I did an apprenticeship on the tools with studies 1 day a week for four years. The studies basically steer towards things like the design of, the displacement and inturn the prismatic of co-efficient of large vessels in marine environments. (Crikey don't ask me to work it out now though, might need a refresher)

I would have thought previously that plastic or perspex would have been to flexible at the width of only 1 - 1.5"max but with the tension being on the silicone along the entire edge and the key word "low tensile" It's rather logically now that I think about it..

Quote:
How are the engineering schools down under. I don't know much about them.
I Wouldn't know either sorry.... My key studies were based on Maritime applications so it's a bit different to standard "Engineering"
However in my short period of experience it has lead me to now being a Grade 1 Designer for one of/if not the largest engineering firm in the world.

Currently I'm utilising my experience by helping setup and administrate a supposed "Be all and end all" program that will perfect mining site design all the way from client initial contact and needs, to automated drawing construction and annotation, down to pushing the finished product out the door and onto the field.

for weekf, I know!! Friends of mine (Aquatastic) are based just off nicholson road!! They supply Aquotix and generally anyone who wants a tank..
Hey thats a good price your paying, is that including a stand?
I had a 6x18x18 custom built with black trim(FWIW the neatest I have ever seen) a 10mm base, and a twin port side drop filter built into each back corner of the tank for $300. Very VERY high quality tanks...
Have you considered air driven side drop filtration before? I'm pretty sure vebas is using them in a marine application, i could be wrong though i'd have to check it out...they are the most effective, basic and yet intelligent design I have ever seen and used!!

Vebas are great for Marine tanks, fish and equipment if you get a chance to check it out..
Pacco down there is always a wealth of information and is always happy to help out!!
Pretty sure I even saw a blue ring octopus down there at one stage, but i'll be buggered if I would keep one of them!!
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Old 08-24-2006, 11:51 PM   #14
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I think fluo won't give much ripple effect strip light that is. For max ripple effect I will say a few single bulb light, not necessary a metal halide but something like a single bulb in nature spread them out and you still get ripple effect but metal halide just show them up more obviously because it is brighter I think.
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Old 08-25-2006, 01:58 AM   #15
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Hi again Matt. Sorry to hijack the thread but I can't help it. I too work in the heavy industry segment. I design and sell material handling machines including some mine duty equipment for gold mines and coal mines in North America. We build extensively with various grades of stainless steel and exotic alloys. Although I have a classical engineering education I have been humbled many times by the salty "hands on" guys with decades of experience. My hat is off to you.

In my dream life I would have been a naval architect. Love the water, love boats, love to work on them. As a matter of fact I have a small pleasure boat that both me and the family love. Everytime I take it out I think about how I could have designed it better. I can't help it. I walk through a big building and I start thinking about the beams and the load factors and how the foundation was designed and the air conditioning and the plumbing. Sometimes my wife thinks I'm strange.

I'd be interested to hear about the automated drawing construction and annotation system. I have vast experience in computer aided drafting and computer aided engineering including Dassault Sytems Catia software, one of the premeire ship bulding packages in the world.

Okay, weekf, get the rims!
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Old 08-25-2006, 02:14 AM   #16
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Nah not getting the rims...
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Old 08-25-2006, 02:16 AM   #17
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Quote:
Originally Posted by weekf
Nah not getting the rims...
You're killing me man!
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Old 08-25-2006, 02:43 AM   #18
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As long as I am not killing my tank lol

I seriously doubt that it would help at all. I think the most important are with the reinforcement around the top of the tank with 2 glass bracings from front to back and the side should have no problem. Thanks for you help and input anyway.
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