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Aquarist Forums => Freshwater General Discussions => Topic started by: Nelson on July 16, 2005, 12:11:22 PM

Title: Corner Tank - What size is it??
Post by: Nelson on July 16, 2005, 12:11:22 PM
Greetings OVASers.  I have a problem I would like your help with.  I have a Miracle corner tank and metal stand that I will posting for sale, but in order to ask a reasonable price for it I of course need to determine the volume, which I think may be around 35gals.  The dimensions are 8"X24"X24"X8"X23" and 16" high (five sides).  Can anyone help out.  Thanks
Title: Corner Tank - What size is it??
Post by: BigDaddy on July 16, 2005, 12:45:03 PM
To determine hex volumes, its area of the base times the height.  That gives you to total volume in cubic inches.

Then multiply by 0.00433 to convert cubic inches to gallons.
Title: Corner Tank - What size is it??
Post by: Quatro on July 16, 2005, 12:50:52 PM
He says that it has 5 sides so I'm not sure if it would be considered a hex tank.  I assumed right angles at the corners and heres what I came up with.

I love a challange.   :D
Title: Corner Tank - What size is it??
Post by: Mettle on July 16, 2005, 12:55:19 PM
Depending on the price... My mother may be interested in that for her lil' goldfish. :D
Title: Corner Tank - What size is it??
Post by: Nelson on July 16, 2005, 01:03:40 PM
Thanks BigDaddy and Quatro...31 gallons it is. :lol:
Title: Corner Tank - What size is it??
Post by: BigDaddy on July 16, 2005, 01:12:47 PM
Good job quatro...

I was trying to figure it out the hard way making a large triangle from the coner, and then spliting the trapozoid up into triangles and rectangles....

LOL

And yet, the simply answer smacks me in the face!

PS - If those are outside glass dimensions... its a pretty safe bet its a 30 gallon....
Title: Corner Tank - What size is it??
Post by: Quatro on July 16, 2005, 01:24:29 PM
Quote from: "BigDaddy"PS - If those are outside glass dimensions... its a pretty safe bet its a 30 gallon....

Good call BigDaddy.  I didn't think of that.

Just to be sure I suggest that Nelson drain the tank, get a 2gal bucket, and add water until its full.  It may take a couple of hours but we would know for sure.   :D

Mike S
Title: Corner Tank - What size is it??
Post by: Nelson on July 16, 2005, 01:30:53 PM
Quote from: "Quatro"
Quote from: "BigDaddy"PS - If those are outside glass dimensions... its a pretty safe bet its a 30 gallon....

Good call BigDaddy.  I didn't think of that.

Just to be sure I suggest that Nelson drain the tank, get a 2gal bucket, and add water until its full.  It may take a couple of hours but we would know for sure.   :D

Mike S
I'm sure it's a 30 gal as well.  Thanks
Title: Corner Tank - What size is it??
Post by: aidensmomma2000 on July 16, 2005, 01:57:19 PM
Bought it and filled it- its definatly 30g  :wink:
Title: Corner Tank - What size is it??
Post by: Nelson on August 19, 2005, 07:45:28 PM
Got a major brain cramp trying to figure this one out, so Quatro and BigDaddy, here's another challenge.  

21" high....31 1/2" back wall X 10 1/2" side X 7" angle X 21 1/4" front etc.

I'd draw it but can't do that either :?

And the volume is..... :roll:

Thanks, Nelson
Title: Corner Tank - What size is it??
Post by: Mettle on August 19, 2005, 08:07:39 PM
Where do you get these tanks? LOL
Title: Corner Tank - What size is it??
Post by: Nelson on August 19, 2005, 08:14:09 PM
Quote from: "Mettle"Where do you get these tanks? LOL

Just lucky I guess :D  I'm told it's a 60 gal but seems kind of small for that volume.
Title: Corner Tank - What size is it??
Post by: Quatro on August 19, 2005, 09:12:07 PM
Nelson,

Thats your new brackish tank right?  Looks very nice.  

I came out with 42gal.
Title: Corner Tank - What size is it??
Post by: darkdep on August 19, 2005, 09:46:44 PM
Ok, here's how I figure (I'm going to embarrass myself, I know it):

First we start by figuring out the volume if the tank was a rectangular prism.  Assuming the front would be the same length as the back, each "missing" side of the triangle should be 5 1/8", or 5.125.  

We can confirm this by using the formula Sqrt(a^2 + b^2) = c.  By using these numbers we come out with 7 1/4"...close enough for me.

Volume of the rectangular prizm is a X b X c, or 44.7546.

Now we need to figure out the volume of the "missing" triangle prizms, and subtract it.

Volume should be area of base X height, so 1.1939 gallons x 2 sections = 2.3878 gallons from our previous total...

So, roughly 42 gallon.
Title: Corner Tank - What size is it??
Post by: darkdep on August 19, 2005, 09:47:37 PM
Damn Quatro!  You beat me X=)
Title: Corner Tank - What size is it??
Post by: Quatro on August 19, 2005, 09:59:03 PM
Quote from: "darkdep"darn Quatro!  You beat me X=)

WooHoo.  Another point for me.   :lol:

I'm  glad you posted an answer.  I've been looking at it and thinking I screwed something up.  

Mike S
Title: Corner Tank - What size is it??
Post by: Mettle on August 19, 2005, 10:24:38 PM
Yeah - 42 gallons.

If you would've told me which tank, I would've been able to tell you that. ;)  We have the same one in at work, only different finish.
Title: Corner Tank - What size is it??
Post by: Nelson on August 20, 2005, 09:08:30 AM
Thank you very much folks...I'll keep the formula just in case I pick up another weirdly shaped tank.  On the other hand I wouldn't want to spoil the healthy competition so I might not :wink:

Thanks again, Nelson
Title: Corner Tank - What size is it??
Post by: rkmike on August 21, 2005, 07:19:05 AM
Here's a site that I found that'll calculate tank volume automatically for you (well, for hex and rectangular tanks anyway).

http://www.fishandtips.com/convertion.php

They also have a neat DIY stand project that I'm thinking of trying out. It uses 4x4 for the frames which I really like. You just punch in the size of your tank and it prints up plans that'll fit. A really neat tool!

mb
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