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Standard plastic waste pipe is 32 &
40mm
Dont suppose that helps much in the
connection
----- Original Message -----
Sent: Sunday, February 24, 2002 6:20
PM
Subject: RE: [ukha_d] Weird thought
but
hear me out...
Much
as discussing toilet habits themselves are fascinating this doesn't help
with
finding 40mm diameter pipework to fit the valves...
Phil
Been thinking about this more since posting, and
yes...
You only need the "flush on lid close", because *any* use of the loo
needs the lid opened, add to that the fact that as much as 10-15ppm of
fecal
material is thrown into the air when you flush with the lid up, (enough
that
it can be detected at 2-3metres away) I'd guess you would want the have the
lid down when flushing...
Thing is, would you subvert the exisitng flush, or rig up an
alternative...
Ian.
Wouldn't it be easier
to put a switch on the lid and always replace that afterwards?
Alan
Shields
alan@xxxxxxx
On Sunday, February 24, 2002,
at 02:05 pm, Ian Lowe wrote:
Phil,
How about this for a
solution:
We have two usage methods for the loo, and generally,
men use it either
standing, or sitting whilst women use it sitting,
so if you used an IR
bounceback sensor, like the ones used in the
automatic handwashers, fitted
on the cistern, so that if you sit
down, your back completed the loop, you
can tell if it's being sat
upon..
Then, you need to cover us guys in upright pose, and that
could be done with
a microswitch on the seat.
Because, of course,
we *always* put the seat up when in use, and put it down
again when
we are done!
Seriously though, that combination of sensors, with
some suitable smarts
should do the trick
:D
Ian
-----Original Message-----
From: Phil Harris
[mailto:phillip.harris1@xxxxxxx]
Sent: 24 February 2002
12:00
To: ukha_d@xxxxxxxSubject: [ukha_d] Weird thought
but hear me out...
OK ... I was chatting with Brougham
and Ken last night on IRC and had a
thought.
We have two loos
here ... One downstairs and one upstairs. Neither Jo
nor I use the
downstairs one but Edward does however he invariably
forgets to flush
(or maybe the mechanism is too stiff for him or
something) so
although Jo and I do make an effort to check each time we
pass there
is often stuff left in there. (We have solved this by using
that loo
as a storecupboard so he now can't use it.)
Anyway, what I was
thinking was would it be possible to build a better
flush that could
perhaps be automated at the same time? (For example
maybe
automatically flush when the light is turned off?)
Now, joking
about dump valves and strain guages aside I reckon this
should be
possible. Using a small header tank up in the loft (you can
still get
your measured flush that way) and with a goodly sized valve it
should
be possible to get the flow that you need.
Laser.com have some
40mm valves that I'm informed are free flowing and
open rapidly
(close speed isn't important) and a 40mm diameter pipe
should easily
flow enough water to flush a loo. The only "downside" is
that these
valves are sourced in Canada so short of ordering pipework
and
fittings from over there I'm not sure what is available over
here
that is likely to be able to mate up.
Anyone got any
ideas?
Phil
For more information: http://www.automatedhome.co.uk
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