"Jürgen Exner" wrote in message
news:%SsCf.25$JO5.13@trnddc04...
Sean wrote:
I would like for it to be acrylic as it is much stronger and about
half the weight of glass. I was thinking about building a tank about
8 feet long and about 4 feet deep (front to back) by about 5 feet
high (floor to ceiling). This may be well beyond 300Gs,
[...]
water weight calcs....

Well, that part is simple: for all practical purposes 1 liter of fresh
water has a weight of 1 kg.

So let's do it in ISO units: 8'x4'x5' is about 2.4mx1.2mx1.5m = 4.32 cubic
meter

In other words your are dealing with a tank of about 4.32 tons of
freshwater, total weight probably somewhere near 5 tons. Sal****er even a
bit more. Or converted back 4230 liter are roughly 1100-1200 gallons.

I suggest you contact an architect because unless you are living in a
former factory your floors are certainly not designed to take that kind
weight.


No need. The house I am living in is 3 years old. It has an infloor
heating system all through the concrete foundation. To allow for this the
concrete had to be extra thick. In total (according to the contractor) its
about 2 and a half feet thick. If that won't hold the weight, I can't
imagine what one would have to do.

Sean