] On Behalf Of Tom Hawkins
Sent: Thursday, April 08, 2010 4:13 AM
To: gEDA user mailing list
Subject: Re: gEDA-user: hydraulic symbols and schematics
Thanks for all the input. Here's the little hydraulic symbol
library I started:
http://tomahawkins.org/gschem-hydraulics.png
http://github.com
your forkqueue :-)
Kind regards,
Bert Timmerman.
-Original Message-
From: geda-user-boun...@moria.seul.org
[mailto:geda-user-boun...@moria.seul.org] On Behalf Of Tom Hawkins
Sent: Thursday, April 08, 2010 4:13 AM
To: gEDA user mailing list
Subject: Re: gEDA-user: hydraulic
John Doty j...@noqsi.com wrote:
On Apr 7, 2010, at 11:54 AM, al davis wrote:
On Wednesday 07 April 2010, Stuart Brorson wrote:
Do you foresee any other difficulties? ... aside from
simulating a hydraulic circuit with spice or generating a
layout.
Actually, my first thought was: What
On Thursday 08 April 2010, Kai-Martin Knaak wrote:
This is one of the strange consequences of the common law
system. In the rest of the world, where civil law is
applied, ignorance of the delinquent does not diminish the
forfeit.
It isn't law that you could be ignorant of.
It's a work.
On Apr 8, 2010, at 2:35 AM, Florian Teply wrote:
Umm, now that you mention Mathematica: Do you know of a way of feeding
from gEDA to Open Source computer math packages like octave or scilab?
Not that i'd currently feel a personal need of it, but i'm curious. Such
information often came in
Stuart Brorson wrote:
Do you foresee any other difficulties? ... aside from simulating a
hydraulic circuit with spice or generating a layout.
Actually, my first thought was: What kinds of simulations (if any)
does one do in hydraulics? Are there any standard simulators? If so,
Hi,
Obviously gschem is intended for electric circuits, but has anyone
used it for hydraulic schematics? The hydraulics industry has defined
a fairly rich schematic language [1][2] for describing hydraulic and
pneumatic systems.
I didn't find a gschem hydraulic symbol library, so I'm attempting
Hi --
Obviously gschem is intended for electric circuits, but has anyone
used it for hydraulic schematics? The hydraulics industry has defined
a fairly rich schematic language [1][2] for describing hydraulic and
pneumatic systems.
I didn't find a gschem hydraulic symbol library, so I'm
On Wed, Apr 7, 2010 at 12:02 PM, Stuart Brorson s...@cloud9.net wrote:
Hi --
Obviously gschem is intended for electric circuits, but has anyone
used it for hydraulic schematics? The hydraulics industry has defined
a fairly rich schematic language [1][2] for describing hydraulic and
On Wednesday 07 April 2010, Stuart Brorson wrote:
Do you foresee any other difficulties? ... aside from
simulating a hydraulic circuit with spice or generating a
layout.
Actually, my first thought was: What kinds of simulations
(if any) does one do in hydraulics? Are there any
If you look at some hydraulic schematics, you'll see a rich duality
between electric and hydraulic circuits. For example, the pressure
drop across an orifice is analogous to the voltage drop across a
resistor. Hydraulic power is pressure * flow (i.e. V * I).
On Apr 7, 2010, at 11:54 AM, al davis wrote:
On Wednesday 07 April 2010, Stuart Brorson wrote:
Do you foresee any other difficulties? ... aside from
simulating a hydraulic circuit with spice or generating a
layout.
Actually, my first thought was: What kinds of simulations
(if any) does
-user-boun...@moria.seul.org] On Behalf Of Bob Paddock
Sent: Wednesday, April 07, 2010 8:10 PM
To: gEDA user mailing list
Subject: Re: gEDA-user: hydraulic symbols and schematics
If you look at some hydraulic schematics, you'll see a rich duality
between electric and hydraulic circuits
On Apr 7, 2010, at 2:46 PM, Bert Timmerman wrote:
Do not discuss patents here please !
This is highly contageous and attracts law suits.
Without the mentioning of patents the general idea would have come
across as
well.
Oh good heavens. Mentioning the existence of a patent, and
Oh good heavens. Mentioning the existence of a patent, and
suggesting it as good reading because it contains interesting and
geeky science stuff, attracts LAWSUITS?
Regardless, I would also say do not discuss patents here, for
various (legal and otherwise) reasons.
On Wednesday 07 April 2010, Bert Timmerman wrote:
Do not discuss patents here please !
Did you notice the date? (1934)
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On Wed, Apr 7, 2010 at 2:49 PM, Dave McGuire mcgu...@neurotica.com wrote:
On Apr 7, 2010, at 2:46 PM, Bert Timmerman wrote:
Do not discuss patents here please !
This is highly contageous and attracts law suits.
Without the mentioning of patents the general idea would have come across
as
On Apr 7, 2010, at 2:51 PM, Ales Hvezda wrote:
Do not discuss patents here please !
This is highly contageous and attracts law suits.
Without the mentioning of patents the general idea would have
come across
as
well.
Oh good heavens. Mentioning the existence of a patent, and
Ok, that's fine by me, as it's your list. But could you explain
how it could be dangerous? That suggestion sounds quite ludicrous
to me.
For starters, archived proof that you knew of the existence of a
patent automatically triples any damages you may have to pay.
On Apr 7, 2010, at 2:58 PM, DJ Delorie wrote:
Ok, that's fine by me, as it's your list. But could you explain
how it could be dangerous? That suggestion sounds quite ludicrous
to me.
For starters, archived proof that you knew of the existence of a
patent automatically triples any damages
Tom,
I didn't find a gschem hydraulic symbol library, so I'm attempting to
build one. My first stumbling block is the use of filled and
non-filled triangles, which differentiate hydraulic pumps from
pneumatic compressors. Is it possible to draw filled triangles or
polygons with gschem?
On Wednesday 07 April 2010, Dave McGuire wrote:
Ok, that's fine by me, as it's your list. But could you
explain how it could be dangerous? That suggestion sounds
quite ludicrous to me.
In general, it really does present a huge legal risk, so I agree
with the policy.
In this case,
-user-boun...@moria.seul.org] On Behalf Of Tom Hawkins
Sent: Wednesday, April 07, 2010 7:41 PM
To: gEDA user mailing list
Subject: Re: gEDA-user: hydraulic symbols and schematics
On Wed, Apr 7, 2010 at 12:02 PM, Stuart Brorson
s...@cloud9.net wrote:
Hi --
Obviously gschem is intended
You might find University of South Carolina 's VTB (Virtual Test Bench)
software useful. It is free to download (but seems to be closed source
-- I couldn't find any details on the license).
[1]http://vtb.engr.sc.edu/vtbwebsite/#/Overview
It's intended for doing multidisciplinary
On Apr 7, 2010, at 3:14 PM, al davis wrote:
Ok, that's fine by me, as it's your list. But could you
explain how it could be dangerous? That suggestion sounds
quite ludicrous to me.
In general, it really does present a huge legal risk, so I agree
with the policy.
I will respect the
Thanks for all the input. Here's the little hydraulic symbol library I started:
http://tomahawkins.org/gschem-hydraulics.png
http://github.com/tomahawkins/hydraulics
A bit later I'll looking into path fills, and after that, netlisting
this into something that can be simulated.
Thanks for your
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