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Retirement and forum shutdown (17 Jan 2022)

Hi,

John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.

I wish to thank John for his hard work in keeping the forum going.

With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.

I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.

If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.

I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.

I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.

Thank you
Darragh Sherwin

How big is my tank:?

  • Alex (Alex)
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02 Nov 2010 13:25 - 02 Nov 2010 13:45 #1 by Alex (Alex)
How big is my tank:? was created by Alex (Alex)
I just want to double check the volume....

It's an odd shape so im having trouble remembering my limited math skills.

length:
Back- 158.5 cm (62.4" )
Front- 118.5 cm (46.6" )

Width: 58.5 cm (23" )
Corner bit- 28.5cm (11.2" )

Hight: 87.5 cm (34.4" )

Thanks
Last edit: 02 Nov 2010 13:45 by Alex (Alex).

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02 Nov 2010 18:45 - 02 Nov 2010 18:46 #2 by Ma (mm mm)
Replied by Ma (mm mm) on topic Re:How big is my tank:?
Approx 800L matey, without corners about 840L



Mark

Location D.11
Last edit: 02 Nov 2010 18:46 by Ma (mm mm).

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02 Nov 2010 18:54 #3 by dyco619 (steve carmody)
that is some fine math there mark!!
since you have your math on...
how many liters would be in my tank

its 48inchs long x 20" high with a bow front 12" at the ends and 16" in the middle??
thanks.

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02 Nov 2010 21:56 #4 by Alex (Alex)
Replied by Alex (Alex) on topic Re:How big is my tank:?
thanks mark!! 2 years outa school and iv already forgot how to measure Volume :blush: !

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03 Nov 2010 13:04 #5 by igmillichip (ian millichip)
dyco619 wrote:

that is some fine math there mark!!
since you have your math on...
how many liters would be in my tank

its 48inchs long x 20" high with a bow front 12" at the ends and 16" in the middle??
thanks.


Allowing for rounding of inches (cubic inches) to centimetres (cubic centimetres)...

I make a quick calculation of 232 to 233 litres. (which is about 51 gallons)

That is rough enough as it doesn't asssume thickness of glass and the fact that the tank is not filled to the top, and that the bow front has a perfect curvature.

ian

Irish Tropical Fish Society (ITFS) Member.

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03 Nov 2010 13:07 #6 by dyco619 (steve carmody)
thanks Ian..

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03 Nov 2010 19:35 - 03 Nov 2010 19:43 #7 by Ma (mm mm)
Replied by Ma (mm mm) on topic Re:How big is my tank:?
dyco619 wrote:

that is some fine math there mark!!
since you have your math on...
how many liters would be in my tank

its 48inchs long x 20" high with a bow front 12" at the ends and 16" in the middle??
thanks.



With the 12" and 16" at the centre I reckoned 14" would be a good replacement for the arc of the glass as if it is flattened out the ends come out 2" and the centre retracts 2" this would bring the side panels also out 2" affecting the dept to add 2" to make it 14"

220.24L
I could be slightly out and Ian could be spot on, just my oddball way of working it out:)

mark

P.S. Could be wrong of course, no math freak here, anything but, I do like a problem to work out tho:)

Location D.11
Last edit: 03 Nov 2010 19:43 by Ma (mm mm).

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04 Nov 2010 01:39 #8 by igmillichip (ian millichip)
I did a quick calculation just as I was going for coffee break.
So I may missed something, and did some assumptions.
I worked on the basis of getting a median possibility given the different types of bow fronts.
If it were a perfect circular bow front, then the radius of curvature would be 74 inches; but I reduced that to 70 inches for this calculation, but would give it a more pronounced bow (if my minds eye at this time of night is right).

a more flattened 'bow front' could not be calculated from the data given (ie if the bow front were as you describe, Mark, then we are into different calculations and would require more info)

the exact figure would need to be adjusted depending upon depth to which tank is filled.

I have one bow-fronted tank....one of them Bouyo (or whatever) tanks....the bow looks quite flattish, but it is a circular front. I have not bothered to calculate the tank's size.....why? ...why would I, as it written on the box. :)

ian

Irish Tropical Fish Society (ITFS) Member.

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04 Nov 2010 10:27 - 04 Nov 2010 10:33 #9 by Ma (mm mm)
Replied by Ma (mm mm) on topic Re:How big is my tank:?
igmillichip wrote:

I did a quick calculation just as I was going for coffee break.
So I may missed something, and did some assumptions.
I worked on the basis of getting a median possibility given the different types of bow fronts.
If it were a perfect circular bow front, then the radius of curvature would be 74 inches; but I reduced that to 70 inches for this calculation, but would give it a more pronounced bow (if my minds eye at this time of night is right).

a more flattened 'bow front' could not be calculated from the data given (ie if the bow front were as you describe, Mark, then we are into different calculations and would require more info)

the exact figure would need to be adjusted depending upon depth to which tank is filled.

I have one bow-fronted tank....one of them Bouyo (or whatever) tanks....the bow looks quite flattish, but it is a circular front. I have not bothered to calculate the tank's size.....why? ...why would I, as it written on the box. :)

ian


the dept at the centre of the arc and the lenght of the glass will give the curve angle,
To reach 0 curve, if it is a curve and not flattened, a retraction of 2" from either direction is needed if the dept is 4" but I will concede it may need a deeper arc 8" over 5ft to get an even retraction of the planes, haven't tried ot work it out my maths sucks, I have a nano curved a little but I would not consider it a bow front as flattened ones are ones I wouldn't consider to be a "bow" front by definition.
SO mabe it would in this case be, if a proper bow front, as the centre retracts less the more shallow arc, so it could be 2.5" 3" for the sides and 1" for the centre, which would give the extra litres you have quoted.

Flattening the front panel makes it maybe 14.8 dept as the side panels would be longer but obviously same volume, that gives 232 litres


Mark
P.S. I did reckon I was off slightly and that you had probably hit the mark:)

Location D.11
Last edit: 04 Nov 2010 10:33 by Ma (mm mm).

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