Member postings for blowlamp

Do you know anyone with a TIG, or maybe a local fabrication shop that would build it back up for you for a few quid?

Martin.

Agreed - much easier than hand coding.

He'd be better off getting a simple CAM program and spending some time learning to use it.

Martin.

I don't know if this might help, I thought you wanted the coordinates of the small arc, but Jason seems to have done the angles. I couldn't work out where the zero point is, so I guessed and used the centre of the large arcs.

Martin.

It's not a trick question. It's Artificial Intelligence, so it's supposed to know how washing lines work. The three towels are drying at the same time together on the line - at no point is it intimated that they are drying sequentially.

Edited By blowlamp on 27/09/2023 23:50:43

If, from the wording of the question, you can't presume the washing line is long enough to hold nine towels at once, then what makes you think it's long enough to hold three at once? However, it's clearly stated in the video "if your line is big enough", so the size of the support system is not really part of the question.

There's no mention of the capacity of the support system used to dry the towels, so it doesn't form part of the question.

Martin.

How long to dry nine towels?

https://youtube.com/shorts/rqI3xF9vDd0?si=gxQFTOf762e4txQ7

I can't say that I've explored these commands, but this is from the PlanetCNC G-code reference:

G93 - Feed Mode - Inverse Time
Usage: G93
In inverse time feed mode, an F word means the move should be completed in [one divided by the F
number] minutes. When inverse time feed mode is active, an F word must appear on every motion
line.
Parameters:
#<_feedmode> - (RW) current feed mode

G94 - Feed Mode - Units per Minute
Usage: G94
In units per minute feed mode, an F word is interpreted to mean the controlled point should move at a
certain distance per minute.
Parameters:
#<_feedmode> - (RW) current feed mode

G95 - Feed Mode - Units per Revolution
Usage: G95
In units per revolution feed mode, an F word is interpreted to mean the controlled point should move
at a certain distance per spindle revolution. This mode requires RPM feedback from the spindle.
Parameters:
#<_feedmode> - (RW) current feed mode

G96 - Spindle Mode – CSS
Usage: G96
In this mode surface speed is constant and based on cutting diameter. Surface speed is specified in
units per minute. This requires special hardware and is usually not used on simple machines.
Parameters:
#<_spindlemode> - (RW) current spindle mode

G97 - Spindle Mode – RPM
Usage: G97
In this mode the spindle speed is specified in revolutions per minute.
Parameters:
#<_spindlemode> - (RW) current spindle mode

There's not much choice if you want proper synchronised lathe screwcutting. I think only Acorn, LinuxCNC and PlanetCNC are able to do it.

Martin.

You won't look back once PlanetCNC is up and running.

I own a Denford Starturn 8 which is refitted with hybrid drives and motors and it rocks.

Martin.

Screwcutting with Mach3 is a waste of time unless you have a large lathe that doesn't vary its spindle speed whilst in a cut. Mach does an initial calculation at the start of the cut and assumes nothing will change during machining of the thread.

I have PlanetCNC and its screwcutting works well and as you would expect, it varies the feedrate in proportion to spindle RPM. I'd never go back to Mach.

Martin.

Edited By blowlamp on 18/09/2023 17:03:19

"...they seek to diminish the suffering of its victims and the moral enormity of those responsible for it."

Where did he do that? Is over 100,000 excess deaths in this country not worth looking at?

I suppose you would be equally outraged if a nuclear weapon were described as more powerful than the one used on Hiroshima - or is that different?

Martin.

OK, back on track. Let's say all oil production was halted - what could/would we use as alternatives and what downsides might they have?

Martin.

Edited By blowlamp on 08/08/2023 22:18:41

So he's not a "Covid denier".

He expressed a view about the adverse effects of the vaccines by saying that he thought these effects were “the biggest crime against humanity since the holocaust”. I don't see how that diminishes the facts of what happened back then.

According to official figures, there have been more than 100,000 excess deaths over the last few years and Parliament has made no effort to investigate why. I find this very concerning and back Bridgen for asking the question.

Martin.

You're right. The whip was withdrawn because he broke ranks and asked awkward questions.

Martin.

I don't think Wikipedia is very reliable with regard to reputational accuracy.

It is Duncan's accusation, so I assume he has some 'proof'.

Martin.

Edited By blowlamp on 08/08/2023 19:29:02

A "Covid denier" you say - can you back that up?

Martin.

Andrew Bridgen is one of only a few in there with any integrity and scientific qualifications. The trouble is that whenever he speaks the rest of them walk out on him. It's quite sickening.

Martin.

They are the most efficient sources because they are readily available and straightforward to process.

If we could extract electricity directly from the ground or wherever, store it indefinitely with little loss and transfer it quickly & easily in dense energy form, then that might be a preferable alternative.

Which more efficient, ground sourced heat supply, alternative fuels are you using to power your existance?

Martin.