I have a Gardena Water computer, the instructions say it works with a
minimum dynamic operating pressure of 1 bar. What sort of pressure do
you get from a water butt, say mounted a foot above ground level and 1/3
full? It would be nice to use it while away, as I am now on a water
meter I can just see a problem occurring while away and water streaming
out!
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In article , Broadback writes:
| I have a Gardena Water computer, the instructions say it works with a
| minimum dynamic operating pressure of 1 bar. What sort of pressure do
| you get from a water butt, say mounted a foot above ground level and 1/3
| full? It would be nice to use it while away, as I am now on a water
| meter I can just see a problem occurring while away and water streaming
| out!

1 bar is approximately one atmosphere is approximately 14 psi is
approximately 30 feet head of water. 0.06 bar. Forget it.


Regards,
Nick Maclaren.

Broadback wrote:
I have a Gardena Water computer, the instructions say it works with a
minimum dynamic operating pressure of 1 bar. What sort of pressure do
you get from a water butt, say mounted a foot above ground level and 1/3
full? It would be nice to use it while away, as I am now on a water
meter I can just see a problem occurring while away and water streaming
out!

Pressure at the outlet of the barrel is purely due to the height of
water above the outlet. You'd need a column of water about 33 feet high
to generate 1 bar of pressure.

--
Halmyre

ceci, n'est pas un signature

Nick Maclaren wrote:
In article , Broadback writes:
| I have a Gardena Water computer, the instructions say it works with a
| minimum dynamic operating pressure of 1 bar. What sort of pressure do
| you get from a water butt, say mounted a foot above ground level and 1/3
| full? It would be nice to use it while away, as I am now on a water
| meter I can just see a problem occurring while away and water streaming
| out!

1 bar is approximately one atmosphere is approximately 14 psi is
approximately 30 feet head of water. 0.06 bar. Forget it.


Regards,
Nick Maclaren.

But you could try it anyway, seeing as you have it. It might be enough
to dribble out.

Halmyre wrote:
Broadback wrote:
I have a Gardena Water computer, the instructions say it works with a
minimum dynamic operating pressure of 1 bar. What sort of pressure do
you get from a water butt, say mounted a foot above ground level and
1/3 full? It would be nice to use it while away, as I am now on a
water meter I can just see a problem occurring while away and water
streaming out!

Pressure at the outlet of the barrel is purely due to the height of
water above the outlet. You'd need a column of water about 33 feet high
to generate 1 bar of pressure.

Thanks folk, I guess as a drip, I'd better just let it drip. ;-)

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Please do not reply to this Email address,
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Halmyre wrote:
You'd need a column of water about 33 feet high
to generate 1 bar of pressure.

Mais oui. But you /could/ do that by having the water butt at the top
of a 33 foot tower...



I'll get by coat.

In article , Broadback
wrote:

I have a Gardena Water computer, the instructions say it works with a
minimum dynamic operating pressure of 1 bar. What sort of pressure do
you get from a water butt, say mounted a foot above ground level and 1/3
full? It would be nice to use it while away, as I am now on a water
meter I can just see a problem occurring while away and water streaming
out!

You'll need a submersible water butt pump to make it work (about £40).

In article .com,
writes:
| Halmyre wrote:
| You'd need a column of water about 33 feet high
| to generate 1 bar of pressure.
|
| Mais oui. But you /could/ do that by having the water butt at the top
| of a 33 foot tower...

What do you think those weird objects like huge concrete cocktail glasses
that you see all over East Angular are?


Regards,
Nick Maclaren.

"Nick Maclaren" wrote in message
...

In article .com,
writes:
| Halmyre wrote:
| You'd need a column of water about 33 feet high
| to generate 1 bar of pressure.
|
| Mais oui. But you /could/ do that by having the water butt at the top
| of a 33 foot tower...

What do you think those weird objects like huge concrete cocktail glasses
that you see all over East Angular are?

....

Martini Silos ?


michael adams

....




Regards,
Nick Maclaren.