Am I the only person watching CuriousMarc videos where the overwhelming majority of the content is beyond my understanding, making you feel a little dull-witted but still finding them incredibly interesting but tremendously entertaining at the same time?

@akefayamenay104

4 жыл бұрын

Potgieter huis nope, mate :) I know just enough to understand what he’s talking about (most of the time) and immediately realize that I will never be that good at anything coming close to this level of complexity. That being said, I thoroughly enjoy the format of these videos. It’s like getting to hang around the shop with them without being in the way and under foot. Really enjoy watching people who are so thoroughly excellent at their craft. It inspires me to keep learning at my level.

@potgieterhuis1469

4 жыл бұрын

@@akefayamenay104 Same here, I know what some of the items are, and even sometimes what they do, sort of. but watching these guys is amazing... I know this can all be studied, but these guys are naturally smart and you do not need to be smart yourself to see that. But hey, at least I installed a printer yesterday lol

@squirlmy

3 жыл бұрын

Actually lately my entire life feels like this, especially since this COVID winter, since I do little but watch KZread videos all day. ;) PBS Spacetime is just really far out there and I can't usually finish those videos.

@13bigerdave

3 жыл бұрын

I feel like Penny on the Big Bang 😁 , but this is sooo cool , I watched the Apollo Computer awesome work

@ilturcocinque1003

14 күн бұрын

You are not alone! :)

Ken embarrassed about his documentation, "Sorry I didn't have time to build it to scale or paint it."

@glenslick2774

4 жыл бұрын

KenCAD™ > DaveCAD™

@chrismofer

4 жыл бұрын

@@glenslick2774 KenCAD >AVECAD >DaveCAD >CliveCAD

@heyitsvos

2 жыл бұрын

You’re not giving me a lot of confidence here Doc

Pink decoder chips are actually ceramic, not plastic. Conformal coating just makes it look like plastic. 514ID1, 514ID2 - used them when I was a kid to make a clock. There is no berillium there.

@CuriousMarc

4 жыл бұрын

@yoksel99: Thanks, this makes sense.

@subject_5056h

4 жыл бұрын

​@@CuriousMarc Beryllium oxide is a ceramic material, used as an electrical insulator with high termal conductivity. For example microwave ovens have a piece of BeO at the µwave generator cavity, which is pink in color. This IC package might still be that material. It's for space application after all. As long as you don't cut or grind the material, it's safe to handle. Highly toxic otherwise.

@Orbis92

4 жыл бұрын

I have an Argon Laser which has a Beryllium warning sticker and its tube is made out of a pinkish ceramic.

@CuriousMarc

4 жыл бұрын

I know, I’ve used it in some of my package designs for its thermal properties. Normally it is white.

@heinrichhein2605

4 жыл бұрын

Im pretty sure this is Beryllium Oxide, we still use it in Space components and back than was quite Common compared to Aluminum oxide

Seriously Ken you amaze me every time... I am a huge nerd and I am impressed.

My guess is the engineers used a full switching power supply with the caps and inductors (instead of a simple buck converter) because the clock has to keep working correctly even with external power transients. This can happen when switching the capsule between different power supplies (rocket/ground external; on board batteries, space station power). If i understand correctly, the input power is AC, so switching between different (unsyncronized) power sources will pretty much guarantee that you will have lots of noise and power transients on the input side. Other sources of power transients would be high power devices like heaters, valves in the RCS system and pyrotechnic devices. It's even possible that the voltage varies wildly between different power sources (like they did on Apollo when switching from ground power to internal power). And one has to keep an eye for unintended under-voltage conditions, like running too much stuff on too few batteries. The clock is one of the more critical components in the system since it's also a very rudimentary navigation equipment - in an emergency you could initiate the deorbit burn without a computer by pointing the spacecraft by eye and start the engine at the correct time. This is similar in concept to the Apollo Lunar escape systems (LESS) navigation.

The letters, 'ОСРГ' (OSRG) on that crystal probably mean 'High Stability Radiation Hardened' and the 5 indicates Military Grade. I hope that this is helpful.

I love the bit where you set the mood. That adds the perfect touch.

What a great video! Your producer skills are getting better as well Marc, love the intro and Ken is badass as well. Mesmerizing and fun to watch!

Loved the intro setup! Great idea 🙂

So been looking forward to this! Thank you.

The scan line on the Mac brought back so many memories. Thanks.

You ALWAYS have to respect a man who puts tape on the perforations of the papers he is producing BY HAND.

You can really tell that this clock was high quality because literally every component has rhombus on it (Which means "Военная Приемка" that can be translated as "Military Grade")

@CuriousMarc

4 жыл бұрын

Yes, it sure looks like I got the real thing. Supposedly this one was flown in space.

@humanpowervehicleclubrussi6746

4 жыл бұрын

@@CuriousMarc Hmmm, I wouldn't be so sure, since it got some repairs, digit segments etc. It would never be approved for a flight.

@SY19955591

4 жыл бұрын

And the letters "ОС" present on all? components designate them as "особо стабильный/особая серия" (especially stable / special series) - a special version of the component for space/nuclear applications (sometimes they are slightly different than normal or military parts). Also generally military versions of components start with a number - ex. 2Т908а vs КТ908а. Some of them even have different maximum ratings (mostly max. voltages) in their "datasheets".

@yoksel99

4 жыл бұрын

@@SY19955591 ОС meant "особо стойкие", i.e. literally "especially resistant". In this case, resistant to external factors, like pressure, vibration, temperature, humidity, etc.

@paddle_shift

4 жыл бұрын

Does rhombus have a different meaning in Russian? I thought it meant a parallelogram with opposite equal acute angles, opposite equal obtuse angles and 4 equal sides.

God I love how this clock is built! The amount of details Ken managed to carve is impressive! Regarding the pink ICs, they may not be made of beryllium (metal), but of Beryllia (beryllium oxide ceramic), wich can be of a large variety of colours both due to impurities and blending with other minerals, it is commonly found in magnetrons where it is used as insulator. It is also used in RF power transistors and resistors because of its good thermal conductivity and high dielectric strenght.

Fascinating stuff. And Ken is a serious badass.

Yay, they (Ken) dit it - the clock is running! They powered it up for the first time yesterday (seen on twitter). Can't wait for the follow up video here - showing the powered space clock in all its glory! :-D

absolutely gorgeous...loved the intro bit too :D

Nice work!

Excellent content. It reminds me to look inside my Elektronika VFD clock and clean it up a little.

I haven't heard that Mac startup tune for some time! Brought back memories of buying a Mac 4/40 around 1987. This project is fascinating. The different design techniques used by the Russians is similar to the difference between US and Japanese design in the early 80s. I was working with video tape recorders (analogue) at the time, both Ampex and Sony, and their approaches to power supplies and motor controls was quite different. If you had been brought up on one, working on the other could be confusing. "Why did they do it like that!" was the regular complaint from the service guys! Well done Ken for figuring this out.

Ken is a "switched" on fellow, Great Stuff.

Simply amazing.

Yes, beryllium oxide is in the pink ceramic insulator. Also commonly used in the 'west' for transmitter power valves. (note: not your atypical glass valves, but metal & ceramic valves). We saw them a lot in military radios.

Very impressive. Thanks for sharing.

My favorite is the cut from Ken reluctant to be involved to then arriving, collar popped, documentation in hand.

I'm sure you guys will get it running!

Superbly explined

Те моменты, когда из видео американцев узнаёшь об устройстве в котором стоят микросхемы, произведённые на заводе в твоём городе...

@hepto100

4 жыл бұрын

именно

@a.v.1859

4 жыл бұрын

К тому же эти устройства у них и сохраниться как музейные экспонаты, а не будут разломаны на драг металл как это в большинстве сейчас происходит там где всё это производилось.

@hepto100

4 жыл бұрын

@Space Simulators ну так подскажите, да расскажите автору канала как и что с ними делать

@hepto100

4 жыл бұрын

@Space Simulators конечно, через гугл переводчик

@AgentDiego

4 жыл бұрын

Где золотокерамика - там Радон. :D

Man, I love you guys.

Depending on the type of conformal coat on the boards, you can use ethanol / alcohol to soften it up - and gentle scrubbing with a q-tip to fully remove the conformal coat.

Love it. You have a new subscriber

Got my mac classic going again! Gonna play some fun stuff from the 90’s

the purple ICs have ceramic casing, I remember handling my father's collection as a kid.

Well, there is quite a lot of gold in this clock. Nice work.

My flabber has never been so ghasted as to the complexity of this “simple” clock/stopwatch. Whilst the technology is old and very boilerplate the Russian principle of “if it ain’t broke don’t fix it” has lasted them well since the 1960’s with their current spacecraft not being very different from the originals. Outstanding video and descriptions guys. I’ve just looked at Ken’s blog and will now be paying frequent visits !

@sashimanu

4 жыл бұрын

It looks so complex because it's built of low integration ICs, 134 series is more or less a direct clone of Texas Instruments SN54L logic.

@AsbestosMuffins

4 жыл бұрын

I suspect because it was probably used in conjunction with both the guidance systems and navigation systems that it probably had to be absolutely bullet proof plus the Soyuz were really in flux back then with production generations, special mission variants, and leftover spacecraft all being used for their space program so this could have been engineered for a much earlier version and stuck around

That's a good job comrades!

Great work, tovarish

Part 3, powering and working clock!

3:42 "Bit by bit" I see what you did there!

That coating has pretty poor heat resistance, i usually poke it pins or traces that i want to check with soldering iron. (I actually do "untangling soviet mil-grade circuitry" for living.) And that power supply is rather simple, by standarts. You have op amps, op amps are luxury! (and kinda crap for some reason)

Please want more videos!

This video is asmr for electronics technicians.

The technology reminds me a bit of Apollo-era stuff - surface mount chips with a few transistors inside them.

In spacecraft it’s important to prevent internal charging due to solar particles. That could account for things like not multiplexing the display and all of the isolation on a DC circuit.

@russellhltn1396

4 жыл бұрын

Can you explain in more detail?

What would be really funny is if you guys could figure out a way to intergrate it with the apollo computer. Lol

Is it possible that the lack of decoupling caps has something to do with reducing possible effects from ionizing radiation? Maybe less capacitors to short/fail. I'm just taking a stab in the dark. But maybe there is more reason than just non standard practice?

You can use an LED back-light from a cellphone or similar and slip it between the paired PCBs to assist with tracing the tracks.

Pink is not plastic. It is ceramic, quite common for aerospace parts. If you have any trouble - please contact me. I am hardware engineer from Russia, I can help with part indentefication. I am also doing alot of similar work, reverce-engineering, usually for repair reason.

Amazing

The 24 Volt AC input is 400 Hz, as it's usual in the aviation industry (and eventually aerospace too)?

this will look good in my clock room, comrade

Amazing. Wow tetris had an earlier music version? What was that, though it was Tchaikovsky

That is beautiful

Marc, Ken, Congratulations on the amazing reverse-engineering work! I just love the looks of this clock :o I can create a complete 3D CAD model of this clock, if you're willing to take a few dimensions with some calipers (And why not, create a 3D-printed replica!).

"What do you mean?" best line describes Ken.

Arghhh...MAC Plus Tetris music resurrected in my head! 😱

@danielramirezv

Жыл бұрын

It was actually an SE/30!

I'm Russian speaking, so feel free to message me if you need help with translation for any kind of documents or spec sheets for ICs.

@grunerdepp4327

4 жыл бұрын

Crowdpower rules!

@CuriousMarc

4 жыл бұрын

Thanks! What we really need is a good soul that could contribute Russian subtitles to the video for our Russian audience. Video is open for viewers' subtitle translation contribution. On the desktop viewer, just click on the "..." button underneath the video and there is an option to submit translated subtitles.

This thing is insane

@StrangerHappened

4 жыл бұрын

A time you could kill for and with.

Marc: "Okay and its a switched power supply?" Ken: "Yeah. Which makes it efficient." Truer words never spoken!

Ok just curious what that game came from I’d like to get a copy for my old Mac

The 24v input, would that be AC or DC?

Down the Soyuz Electronics Rabbit hole, understood every 15th word, but still mesmerized by the electronic genius.

That Macintosh SE/30 is the first computer i ever owned, i found one in a trash can when i was 8 and fixed it.

I have some piece of old russian equipment and that pinkish chips are made of beryllium oxide ceramic, don't break the conformal coating! ( probably it is only pink plastic but.. who knows )

Now I just want to know what was blurred out.

I think you would be very intresting if you could provide the reversed Engineered schematics maybe with there mordern day components conuterparts. So if anyone wanted to make a modern replica

I had that on my MacPlus..

Ken is a genius...

In USSR times I stolen ( 1970-1980-s, legally bye it was absolutely impossible) a lot of military electronic components. And I using them now for my DIY time to time.

@BoBaH_BoBaHoB

Жыл бұрын

not 'stole' but 'gave a new life'

All Hail Comrade Ken

12:55 in soviet Russia, clock reverse engineer you!

@u.v.s.5583

4 жыл бұрын

And the power supply takes power from you!

What is the shiny paper Ken is writing on? 🤔

Accordingly to datasheet 10 chips 514ID2 contains 1.06g of pure gold. Also significant quantity of gold inside almost any genuine USSR part with golden pins or package elements.

Yes, I was waiting for this! But now I am even more waiting for the third part... #cliffhanger If the clock still works, it will be the coolest alarm-clock ever. Not the most accurate, but the coolest :-)

"Im not gonna taste the chips" I'm dead

That delta character does not represent a Greek letter; △ and ◊ are marks for mil-spec acceptance testing. Also, OC stands for особо стабильный, "particularly stable". As said before, pink ceramic may feel plasticky due to confotnsl coating.

at that time the optoisolator ic's were readily available but the aerospace standards demanded transformer isolation

Could the bypass caps be integral to the ceramic packages? I can't imagine all my instructors (and the datasheets!) lying to me about them!

@erlendse

4 жыл бұрын

Well.. they are not as needed as many claim. Besides the clock is likely relatively slow. You mostly need them on fast stuff.

@alexsuykov

4 жыл бұрын

These particular chips have no caps in them for sure.

One of the green wire wound resistors near the mounting eyelet looks as if it has been overheated, blackish area in the center.

@DandyDon1

4 жыл бұрын

I'm also curious to know if those axial capacitors might be "dodgy" at this point. I know that I've always seen German branded electrolytic capacitors from decades ago fail.

Very interesting to see this technology... and this was designed by them in the 80's.??.. I wonder how this compares to the US shuttle technology of the same era?? In a way, I'm somewhat surprised by using a switching supply, I always thought every extra gram of 'inductor' would be discouraged...even though SMPS are more efficient, overall. I would think the same, of using an individual 'digit' driver IC for each digit would be wasteful, and muxing would probably reduce power consumption also... keep up the good work guys...

@FrancSchiphorst

4 жыл бұрын

Have a look at the blog linked. There are some comparison pictures (i have it on rss feed as there's tons of cool stuff there)

@_XPEHOPE3_

4 жыл бұрын

This technology of the 60s. She did not improve because everything worked fine. It’s like an old UNION missile, although the old one is still doing its job and has modernized quite a bit.

Gush, I am curious, how many components have been actually made/designed in Czechoslovakia.

@sashimanu

4 жыл бұрын

I don't think any. At least the ICs were actually designed in the United States and copied by the Soviets lol

@AntoninKral

4 жыл бұрын

@@sashimanu Well, that's what I am talking about ;) I do remember booting up one of the early PCs and it had ROM BASIC. Copyright IBM. I was like - huh, I doubt they have licensed it properly :) But it is not completely fair - Tesla (Czech manufacturer) did quite a lot of R&D around basic logic chips. They have really struggled with higher level MCU etc. Buy yeah, they made a lot of "equivalent" components. Like aukro.cz/mhb2716c-5ks-tesla-ceskosloven-eprom-pameti-2kb-equivalent-intel-2716-6936476503

@andrsam3682

4 жыл бұрын

I heard a story from one man who worked on a soviet military plant. He told how they copied some american helicopter equipment, but for some reason they didn't manage to reverse engineer the firmware. It showed some original manufacturer's logo on the screen, so they just added a piece of HARDWARE, which blanked the CRT beam in the place when it was drawing the logo :)

Makes the TTY 33 look simple

And I googled the schematic.

The connector should be here In January?

@ke6gwf

4 жыл бұрын

It takes time to edit and post things lol

Ве хев фейт ин гуд рилаябел рашан хардуер... made me smile.

ВК-9 - смесь эпоксидной смолы (ЭД-20) холодного отверждения и полиамидной смолы (полиамид ПО-300 на основе растительных жиров и полиаминов, типичный гесаметилентетрамин - уротропин) вместе с наполнителем асбестом.

"pink beryllium" would be a beryllium oxide, of course, not a pure form of the metal. I don't know if it is beryllium oxide, but it is possible, I believe, for an oxide to be that exact color.

Ha- nice intro.

CK, Comrade Ken :)

I'm not saying I think they are beryllium, but in reference to the 'never seen pink beryllium' comment, don't microwave oven magnetrons contain a pink beryllium ceramic? I'm not sure why these would contain beryllium though.

Привет ! Как называется фоновая музыка в этом фильме? Благодарить !! Privet ! Hello ! What is the name of the background music in this movie? Thank !!

I think the reason somebody thought the pink ICs were beryllium is because the antenna for a magnetron is pink and sometimes made of beryllium oxide and the pink color's pretty much the exact same color as those ICs. But it's gotta be an artificial pigment since beryllium oxide isn't pink, it's just a boring white powder.

"Rather complicated," he says. :D

Cyrillic and Greek/Elada are closely related also here mathematics is tough in Greek/elada

These purple ic chips are 100% purple ceramics.i do have those chips in spare, so i can tell you definitely.

@CuriousMarc

4 жыл бұрын

Yes it’s ceramic. Looks like regular pink Alumina (Al2O3 with Chromium added) which is a popular ceramic package material.

The relay mentioned seems to widely used in Russian equipment. I bought a few from eBay. According to the data sheets mine were 28V so maybe the power to drive this is 28V and not 24V? Just a thought. //Harry from Sweden

@alexsuykov

4 жыл бұрын

Quick search hints at 27V DC power bus in Soyuz spacecrafts. The one used is this clock is РЭС60 (RES60) series, there are 27V relays in that series but they are more like 23..34V per some datasheets. Not a particularly sensitive part.

@deBug67

4 жыл бұрын

@@alexsuykov Thank you Alex. And you are right, the relay is probably 27V and not 28V now that you mentioned it. Great relays! If memory serves me there was some special metal on the contacts of it, right?

@sashimanu

4 жыл бұрын

27-28 volt DC is a common nominal bus voltage in both Soviet and Western aerospace industry, corresponding to a 12-cell lead-acid or a 20-cell NiCd battery ("24 V") plus some extra volts from the generators for charging. The equipment tolerances are really wide, often specified as 18-32 V or more.

It's interesting to me that most of the components are marked with 83 or 84, but the digital clock wasn't used until 1996. If this was flown, the components were 12 years old by the first flight.

Case of microchip is pink because the main fraction of ceramics is corundum.

@planpitz4190

4 жыл бұрын

This makes sense as grinding wheels are also pink!

what is the background music's name ?

@sachalecoanet537

14 күн бұрын

“Polyushko polye” or “Oh fields, my fields” in english, hope it helped even after 3 years

10:34 This is not pink plastic, it is pink ceramic. Soviet / Russian microcircuits for space only in a ceramic or metal case. A possible exception is only LED segment indicators.

@Supervisor000

4 жыл бұрын

Обычная керамика ВК-94 (он же 22ХС) - такой себе материал, технология 50-х, которую в СССР по бедности [глупости] дотянули до 90-х, несмотря на то, что весь мир уже во всю использовал поликор и сапфир. С высоты сегодняшнего дня и правда не намного лучше пластика.

@user-mn5jv3xl9v

4 жыл бұрын

@@Supervisor000 поликор и сапфир хорошо для СВЧ и высокоскоростных сигналов. А для обычной ттл, есл логики и кмопа достаточно и 22ХС ,и дешевле, и технологичнее. Плюс не забывайте консервативность военных, которые такие заказы размещали - они очень неохотно идут на замену того, что и так нормально работало. Кстати и зарубежом низкоскоростная логика и прочие ОУ для военки и космоса были тоже в обычной керамике и железе.

@Supervisor000

4 жыл бұрын

@@user-mn5jv3xl9v Консервативность - штука опасная: есть риск заиграться, и одурачиться. От того 22ХС (впрочем, для ТТЛ вполне сгодится и стекло) ещё более несуразно смотрится на фоне позолоченных выводов и позолоченной крышечки, которая даже с землёй не соединена. Там князь Кощей над златом чахнет... (с)

@user-mn5jv3xl9v

4 жыл бұрын

@@Supervisor000 я видел целые платы по 100-150 квадратных сантиметров из 22ХС с многослойной разводкой. Завораживающее зрелище. Да еще и с микросхемами с обоих сторон. Внушаить.