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Hi, Dan. I'm willing to bet that you never read an effective book on sales before taking a whack behind a desk. Any good book could have emphasized the service aspect of sales and probably inspired...

Sorry. I tried to delete my stupid remark but am not given that opportunity here.

I dislike the semi-literate "AHU'S" and "VAV'S" when it should be "AHUs" or simply "AHU", etc. There's no possessive case.

I watched the lauch of the latest "media/intel" satellite. It's interesting that SpaceX sacrified a booster (this was its 14th flight) in order to give the sat the extra nudge it needed.

Your story was a blow to mankind, as well. But just remember that it's all about me and we'll get along fine. Poke poke.

I feel you, bro. There is a place for you. You can obviously write, are organized and highly familiar with tools and proceesses. Supply chains are in crisis. I encourage you to brush up on...

Artemis toilet seat: $20
Pentagon toilet seat: $20K

Interesting. You're seeing some compelling group formation around this Starship program. It's the first really viable, cooperative engineering effort we've seen since Apollo in various significant...

And not not just low-level firmware but application software, I think.

There is substantial logic contained in field controllers that would make it cumbersome to interact directly with device's RS-485 connections. Some kind of logic would have to exist at any adapter...

Wow. And I was just going to bring up Twitter. The fiirst manned flight to another world. Or at least recent... :-)

Took me some time to internalize this posting, mainly because I missed the part about only pressurizing to 2 PSI. Oops.

So this est time formula appears to be based on a pretty flat or linear...

Sorry. I didn't intend to cause anyone to have flashbacks.

I just assumed that it was considered the gold standard for dehumidifying a system and don't know the rationale behind it. It does make sense that pulling a single deep and stable vac is just as...

I bet there are a lot of happy compressors out there because of you. I also find this to be an elegant way to operate that appreciates the bigger picture. The incredible expense of ommitting that 3rd...

Just too much Cafe Americano this time but not terribly dissimilar except for no drug haze for days afterward.

Well stated. This is an aspect of the tragedy of deindustrialization I hadn't considered.

Good point, though it were better stated as principles. But what would be the principle behind doing triple evac? 3rd time's a charm? :-)

As I ponder my strategy for entering the workforce of mechanical techncians I've been contemplating human relationships in a technical society. Mechanical, specifically. It's amazing how people's...

I'd like to see mandatory military service for all teenagers as in some countries. 2 years in a disciplined environment. Can you imagine the woke and ruling class hysterics?

Nice. There's a guy here in San Diego who was teaching a college HVAC electrical course somewhat along these lines a few years ago, demanding that students draw circuits freehand with correct...

Wow. This is probably now totally unheard-of. One might validly gauge the health of a technically-based society such as this one on that fact alone, IMO. The middle class can no longer afford to...

Maybe any serious student would quickly leave such a profit-oriented program. Better to study in peace on one's own than put up with that crap.

I've thought a lot about this. I think an essential element of anything workable involves students taking responsibility for one another's academic progress. They need to be paired up and held...

Best ever! This is some big government that I could get behind.

As someone who discovered my mechanical calling late in life, I really missed having a good-hearted guidance counselor pointing at my aptitude test scores and saying, "Do this." Instead I wandered...

Warm, fuzzy and even likely to grasp how a system of networked devices functions!

Education and experience with hardware and software development principles induces a rather general perspective on what constitutes "a computer." If it's got a processor, input-out system, BIOS, RAM...

Scary.

Just to belabor the point, I include a chart of related directionalities:

up down
push pull
send receive
give take

Ah, I found a somewhat authoritative source.


https://superuser.com/questions/tagged/upload


https://superuser.com/questions/tagged/download

This is how I'm going to have to think about it. But just be aware this is technically incorrect.

"A server can download information from a client. E.g. when a user is uploading a file (using a...

I liked what you were saying about the relative ease with which old software might be updated for modern platforms and also the ability of software to be validated in the field by the proper...

Cool beans. Honeywell's "Engineering Manual of Automatic Control for Commercial Buildings" ("Gray manual") does indeed appear to be a gold mine of basic theory. There's a copy posted here:...

Ah. I can see how many devices might be lumped in under the term "transducer" as it is somewhat vague and open to interpretation. Practically any device performs a conversion of forces of one sort or...

This was removed from my posting. Apparently I am not yet able to post images to this site:

http://tomr.fastmail.net.user.fm/public/misc/IO_ext_module_transducer_input.png

I'm looking over a document titled "LN Series Input/Output (I/O) Extension Modules" which has several diagrams of various input configurations, one of which is the 0-20mA controller input. Do many...

Thinking about this a little more, it occurs to me that the use of "upload" and "download" in DDC actually does correspond to the usage we're accustomed to w/ regard to the Internet, in that the...

Oh, I know! This is clearly misguided and was irritating to discover. How is IT supposed to communicate w/ the BAS tech? The PC not only sits at a higher (more capable, being a general computing...

Thanks for confirming.

To be more clear, it's not immediately obvious that a temp sensor isn't an output device until one realizes that we're always talking from the perspective of the controller.

I'm just now getting into controller inputs and outputs and wanted to run this by people. We had a guest speaker in an advanced HVAC class come in and talk about DDC programming. He referred to...

Why is it your decision when I "can move on." Jeez

So you're saying control is any point at which a decision is actuated?

...controlonely... boo hoo

It falls on the shoulders of some of us to recognize my own culpability in the progress of history... I'm sorry and I have a strong appreciation for descriptions of the...

Seriously, though, man. I'd truly be honored to have a discussion on any topic you prefer. If it's not merely regarding definition of control, then just let me know. I'm kind of lonely, actually.

Do you ever sit back and wonder what you're really doing? I mean, dragging your ass back and forth for *******s who despise you for having an original thought? For wanting to increase the dominion of...

So thinking of it as a light switch doing it for you?

I just ran across the term "control drawing." Interesting. I tried Googling it to no avail. I assume it would include controllers and, probably, some other devices. Is there commonly-understood list...

What I'm actually doing is moving through this BAS program based on the textbook and training by Ron Auvil. I just scored a 95 on my last quiz, am over halfway through the course and still have only...

Yeah, I'm stuck here trying to wrap my wits around this controls stuff without any access to equipment. It's damned near impossible.