Ukraine Invasion - Please do not post videos showing attacks/similar

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And I've been told China makes gear that's just as good as what we make in the west, why would Russia buy the cheap rubbish if the western equivalent can be produced (presumably at a lower price)?
China might not be making the parts of sufficient quality and quantity to make up the shortfall in Russia's supply chain.

If Russia was getting 55% of it's ball bearings from Europe and North America (no mention of how much from Japan, SK or Thailand who would be likely suppliers as well) then that's a huge amount for China to start making in addition to any they may have already supplied given you don't tend to have that sort of production facility built unless there is a demand, and a production line that is capable of making ball bearings to a lower spec might not be able to start making them at a higher specification quickly (or without major refurbishment/overhauls).
For one thing if your production line is used to making a ball bearing to say 1/100th of a mm it's unlikely you've got the equipment to take it to 1/1000th as that equipment is a lot more expensive and will require more maintenance work to keep within tolerances, assuming it's capable of handling the specific steel hardness's that might be required for the heavier duty bearings when it's been making them for lighter duty work.

There is a vast difference in a country or a company being able to make something to a standard, and them being able to make it in quantity. It's like China has from memory got the abilty to make 7nm computer chips which in theory is on a par with the west, however they have to make them via a different method because we won't sell them the equipment. Where the likes of intel can fairly easily take a part and make it straight into 7nm with their standardised process then make another part on the same line with minimal or no changes, China's method basically requires they make each chip on it's own dedicated line as they have to basically tweak the process and design for every chip (meaning you can't make chip A one week, then a run of Chip B without a delay).

Top quality production lines/cutting edge production lines cost a fortune to set up and maintain, so unless there is the economic reason (or political will to pay for an uneconomic line*) you don't just have them lying around spare, and the ones you do have you run as close to 100% as possible.


*I can't remember the exact term but it's something like "industry essential for the security of the nation" - IE why you might want to keep a shipyard or steelworks that isn't profitable operational and the staff in their jobs so you've got the skills and equipment in the event of a war (something Russia has failed to do due to corruption).
 
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There is a vast difference in a country or a company being able to make something to a standard, and them being able to make it in quantity. It's like China has from memory got the abilty to make 7nm computer chips which in theory is on a par with the west, however they have to make them via a different method because we won't sell them the equipment. Where the likes of intel can fairly easily take a part and make it straight into 7nm with their standardised process then make another part on the same line with minimal or no changes, China's method basically requires they make each chip on it's own dedicated line as they have to basically tweak the process and design for every chip (meaning you can't make chip A one week, then a run of Chip B without a delay).

I might be wrong but from what I've read they are basically tweaking the design and production from end to end by trial and error until it is producing viable chips, repeat for any other design, but that experience will eventually enable them to produce the tools and refinements needed.
 
I might be wrong but from what I've read they are basically tweaking the design and production from end to end by trial and error until it is producing viable chips, repeat for any other design, but that experience will eventually enable them to produce the tools and refinements needed.
Aye IIRC from what I was reading they're taking existing equipment and fiddling with the focusing or something, hence the need to tweak for every design at the moment.
Eventually it will probably let them make their own native 7nm equipment, but it could be a very long time.
 
From Twitter (NEXTA @nexta_tv): #Russia has withdrawn its military from the border with #Norway, said the chief of the Norwegian General StaffOnly about 20% of the number of soldiers stationed there before Russia's full-scale invasion of #Ukraine are currently deployed near the border with Norway, said the chief of the Norwegian Armed Forces General Staff, General Eirik Kristoffersen. The same situation is on Russia's border with #Finland, pointed out Rob Bauer, chairman of #NATO's military committee.According to Kristoffersen, this decision clearly shows that Putin knows - NATO is not a threat to the Russian Federation: "If he believed we were a threat to Russia, he wouldn't have moved his troops to war in Ukraine."
 
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Re Russia and quality - seems continued corruption, or opportunistic capitalistic communism.. everywhere that supports this means buyer beware including china russia.
 
It's a pity the Ukrainians have to rely on Musk when he can be such a dangerous fool:


Why is a US oligarch speaking to the Russian ambassador about Ukraine? The fact he believed he was preventing a nuclear attack after that conversation shows what a fool he is. US Gov needs to step in and tell him to stay the hell out of foreign policy.
 
*I can't remember the exact term but it's something like "industry essential for the security of the nation" - IE why you might want to keep a shipyard or steelworks that isn't profitable operational and the staff in their jobs so you've got the skills and equipment in the event of a war (something Russia has failed to do due to corruption).
Western outsourcing of basically everything is similar but it has seldom been described as corruption!

As for SMIC and 7nm, remember why TSMC was keen to get clients to use 6nm instead of 7nm? Well, mainly because 7nm used double (or more) pattering (DUV) while 6nm instead used EUV (or at least more EUV). Multi-patterning is slow. It is very clever (AFAIK it is some kind of quantum interference similar but far more advanced on how multi-layer optical media works).

Throughput and yields of SMIC's 7nm is probably rather poor. I'm sure they will figure it out, but unless China develops their own EUV machines, for smaller nodes DUV will get really expensive (slow).
 
It's quite telling that Kim (an avid flyer) took a Train from NK to Moscow instead of using one of his private Russian Il-62 airliners, I guess he doesn't like not being able to get the parts to maintain them :p

He could have opted to fly Air Koryo (NK national airline) on a much newer Russian Tu-204 airliner but they can't get the parts for them either. Comically he could have used one of Air Koryo's <10 year old An-148 airliners, but I'm not sure how Vlad would have felt about him rocking up in Moscow on a Ukrainian plane that's better than anything he has :cry:
Either that or he's paranoid enough to worry about his plane falling out of the sky a la Prigozhyn. Airliners are terribly vunerable to missiles (or bombs planted during "maintenance")
 
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Why is a US oligarch speaking to the Russian ambassador about Ukraine? The fact he believed he was preventing a nuclear attack after that conversation shows what a fool he is. US Gov needs to step in and tell him to stay the hell out of foreign policy.
Don't get so worked up about clickbait articles, if it were true and he was really acting like that the US gov would have done something about it.
 
As it's a very interesting read, here's the full explanation for those who don't like to "X" :p

North Korea can unbalance the rocket game.

The former Soviet doctrine and the basis of Russian modern ground doctrine is the artillery, mainly the rocket artillery. The Russian MLRS, including the BM21, Uragan, and Smerchs, play a central role on their battlefield.

The 122mm Grad rockets used by the BM21 are key to the saturation strategy and cost around $600-800 for Russia, which is less than the cost of a conventional 155mm shell paid by Western countries.

The Russian had more than 3,000 BM21 launchers before the Ukrainian invasion.
During the first months of the war, massive barrages of Grads were witnessed on Ukrainian positions.

This Russian supremacy was challenged when Ukraine began to receive supplies from Polish Mesko, Slovakian MSM, Czech Excalibur, Romarm from Romania, Serbian Edepro, and mainly four Bulgarian companies that manufacture a variety of 122mm rockets.

These companies produce the latest generation of Grad rockets, capable of reaching 40km, which is the same range as the more modern Russian Tornado-G rockets.

In the midst of this Grad battle, Pakistan signed a contract to supply Ukraine with 200,000 rockets and has already delivered over 140,000 by April/23.

The Pak rockets supplied to Ukraine are the KRL-122, with a range of 40km. This large delivery was oxygen for the Ukrainian BM21.

The allies have established a long-range Grad supply network, challenging Russian supremacy in this field. Although there are no official numbers, we can estimate that these companies, along with support from Pakistan, can deliver approximately 7,000-14,000 of these rockets monthly to Ukrainian forces, with most of them having a 40km range.

For Russia, the issue is that the 9M521 rockets, capable of reaching 40km, only started being produced after 2019, and as any ammunition, it takes time to ramp up production.
About the Uragans and Smerchs, the NVO Splav is investing to raise the production and refurbishing old rockets, but these launchers are heavier and requires more logistics. The key system for the saturation keep being the grads.

Even Belarus, one of Russia's usual allies, began producing their own 40km Grad rockets only last year.
Russia has an immense network of countries that can manufacture and supply 122mm rockets, such as Sudan, Belarus, and central Asian countries. However, all of these countries only manufacture the 20km range Grad rockets, and at this game, range does matter!

The only countries able to make a significant difference on Russian side, at a large scale are Iran and North Korea, as they massively manufacture long-range Grad rockets.

Iran has the Arash 4 rocket, which is compatible with the BM21 launchers. It could potentially alleviate Russia's problems. However, there may be a sensitive situation between Russia and Iran about Grads.

Like 2 decades ago, the Russians refused to transfer the technology for Iran to manufacture their own version of the BM21.
Despite the refuse, the Iranians developed their systems independently, and there might be some individuals in Iran who are not too happy about sending a considerable amount of their rockets to Russia.

Left North Korea, which surely has a large number of these Grads, able to unbalance the rocket artillery game, not only with Grads, but also with other bigger calibers like 200-300mm in large scale.

The potential impact of possible deliveries from North Korea to Russia has the potential to completely unbalance the artillery game in every level.
 
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