Testing for electric match misfire. (bangs and flames)

[@GreatSageSunWukong]

It looks like art, the wires are stems and burned paper is the flower, frame em up and sell em as modern art

[@AsilarWindsailor]

I saw the middle match draw a phoenix

[@michaelparker2449]

Static discharge must have been a real fear in the 80s and 90s with shell suits turning people into walking static electricity power stations.

[@RambozoClown]

Very similar to model rocket igniters. Those are often just a loop of ni-chrome wire dipped in the match compound.

[@Milosz_Ostrow]

I think the model rocket igniters are somewhat smaller than the electric matches shown in this video, since they need to fit into the rather small nozzles of model rocket motors.

[@DubiousEngineering]

Ooooh!!! ... A Clive movie with with bangs and fire!! Big thumbs up first, followed by a nice relaxing watch!! :-)

[@manitoba-op4jx]

I'm American and feel the urge to make tea and watch.

[@DubiousEngineering]

I had no idea that cats drank tea! :-)

[@manitoba-op4jx]

Indeed we do, human.

[@DubiousEngineering]

Hahaha!!! Massive thumbs up for A cool cat!!

[@God-CDXX]

can I pet cuddle and make you perrrrr

[@DirtyPlumbus]

First rule of pyrotechnics, don't put anything over the launch tube that you don't want to lose.

[@tommihommi1]

I would say first rule is no smoking, but yours comes fairly soon after that.

[@DirtyPlumbus]

tommihommi1 yeah, that's a good one.

[@tommihommi1]

Sebasfort I thought people did drugs, not pyrotechnics

[@lostjohnny9000]

真実の悪魔 真実の悪魔 What's Japanese for "This Side Up"?

[@positivemelon7578]

The bench power supply sounds like a geiger counter

[@munjee2]

Derkades that's what it reminded me off

[@Csky1988]

always love when you're blowing something up. intentional or otherwise(in a controlled manner of course).

[@MickeyD2012]

Clive, you're so considerate of your American viewers. Thank you.

[@securityrobot]

Thanks for such a comprehensive and clearly detailed explanation of these igniters. Your video answered a lot of questions and debunked a few myths.

[@__aceofspades]

That joiner piece is really cool, like as someone that never does electrical stuff, selling a different sized variety pack of those would be awesome for people like me who dont want to use those ugly twist caps or other unsavory methods.

[@francoismarcoux512]

ac3ofspades878 Scotchlok Connector, if for electrical connections look for wago connectors.

[@tyttuut]

François Marcoux I second your recommendation of Wago connectors. I have a box of Wago 222-415 terminal blocks, and they do very well for my applications.

[@TRS-Tech]

Hi Clive. I'm a retired Openreach engineer and I have boxes of these. There are in fact three types used. The two way that you used, one the same but has three ways (maybe good for end of line and a two way type that you put over the top of a pair and when crimped will cut of the excess wire saving you from having to trim the wires level. If you would like some please let me know. I can also show you the TDR fault finder we use and methods to find and range earth or battery faults using a three wire test. The testers in use now have all these functions on one device including a high voltage insulation test, spectrum graph ( I would not go so far as to call it a spectrum analyzer and one other great feature. We can use an end of line tester unit or by sending a dtmf string we can use an end of line tester in the exchange. These can disconnect the pair from the line equipment, Loop out the line and send a modulated tone to identify pairs in congested junctions. The exchange unit is also able to perform a pair quality test. This will isolate both A and B wires at the exchange and run a test on each leg for earth or battery faults. The test also emulates a data stream and can identify any REIN and SHINE problems and show a full range of frequency tones used by VDSL and ADSL. It would also be great if you could cover basic wiring including the importance of maintaining the twists on the pair so as to provide common mode rejection. I think your viewers may like to learn a bit more about how high speed data services are provided and maintained. If I can help in any way please let me know. Keep up the great work :-) Stuart

[@kissingfrogs]

The master of suspense strikes once again

[@InvertedProphet]

And today on art attack with Big Clive we make a delightful modern art masterpiece using electric matches.

[@alec4672]

I've been doing electrically ignited displays for family and friends as a hobby for a little while now. I've always wired mine in parallel, mainly cause I use modified Christmas lights as ignitors. Cut the top of the bulb fill it with flash powder and seal it with super glue. I usually use a car battery and an extension cord for my final run from the setup to the launch site.

[@tommihommi1]

that seems kinda unsafe, much work, not even that cheap, and illegal on top of it. A type igniters are cheap enough from name brands, and wireless firing systems are cheap nowadays, you can get a very hackable 12 channel system for like 40 bucks. I fire mine using an ESP32 with a 433mhz transmitter on it, a small webserver, and connect it to my phone.

[@alec4672]

tommihommi1 Look man I don't do this for a living a do 3 shows a year max for family and close friends for free. The investment isn't worth it when I already habe this stuff laying around. Making the ignitors isn't any more dangerous then hooking them up if you follow basic firework making procedures. Don't have the flash powder near your work area only take as much as you need for a bulb and close the container immediately. I've used mussel loader rifles and that's feels more dangerous then making ignitors.

[@tommihommi1]

Alec Ver Bunker what investment lol? You're just making up reasons to play with flash powder

[@KarlBunker]

tommihommi1: "You're just making up reasons to play with flash powder." You say that like it's a bad thing.

[@tommihommi1]

KarlBunker If it's in a shed with a decent distance to neighbors, go ahead. If it's in a residential area with other people close by or even in the same house, yeah, it's a bad thing.

[@michellehall3902]

I have no idea what your really on about. Same with all of your videos but I can’t stop watching them

[@grahamuk2597]

Hi Big Clive. It would have been great to see three of those set off but filmed with the flir camera so you could see maybe which one would fire first, second and third. May you could do a follow up video if you think this is a worthwhile experiment. Keep the great videos coming, I really love your channel. Take care fella.

[@inaripooltoy4707]

From someone who worked in Canada as a display fireworks pyrotechnician, the common setup is parallel. My experience was always to twist together the leads and they get put in to a speaker connector on a large firing board which usually supported 28+ individual groups of fireworks. These boards would be connected back to the firing controller with a large parallel cable and regular 14-3 home 120v wire hooked up to a car battery.

[@RWBHere]

There's an unexpectedly large tolerance between ignition currents of those matches! It’s not surprising that the last one went open circuit, since it was running at a much higher initial temperature. Thanks Clive.

[@4468]

The thumbnail for this video is art.

[@larseneric1979]

I thought he was drawing flowers at first.

[@DrTeddyMMM]

Also of note: When setting up displays, DO NOT use a standard stapler to fasten down long runs of fuse, the impact of a regular stapler hammer on the staple can create a spark which in turn can ignite the fuse line. There are specific Pyro Staplers that are constructed from not ferrous materials that will not cause the hammer impact spark. I got to see the results of this phenomenon first hand when someone wanted to help speed up a display setup and grabbed their regular stapler...OOPS! Lucky the incident was isolated to a small portion of the display and didn't cause a total meltdown. Needless to say, safety watch was on higher order after that.... huh, imaging that...

[@tommihommi1]

DrTeddyMMM I think nowdays that's a non-issue, because nobody uses fuse runs long enough to need stapling.

[@StreuB1]

1" wide masking tape, only, ever.

[@DrTeddyMMM]

Mentioning items of safety is never a bad thing...

[@guitarstitch]

"There will be a bang" Even with a warning, I still jumped. EVERY TIME.

[@bigclivedotcom]

There was a nice hint of suspense as the current climbed.

[@robt2151]

I had to replay it 5 times before I saw the explosion - my eyes kept wandering over to the meter ...

[@AttilaAsztalos]

I take it you don't watch ElectroBoom then (or you just jump a lot)...?

[@guitarstitch]

Attila Asztalos oh I do. He has less bangs and more zaps.

[@crystalsoulslayer]

The warning is _why_ you jump. You can't be in suspense if you don't know something is going to happen.

[@UserUser-ww2nj]

Those telecom connectors are very useful . I worked for ''LUX ' , the temporary traffic lights people and we had the contract with B.T , saw those things used over and over , very handy if you have a lot of wires to join quickly and the silicon like gel is perfect for waterproofing , got my hands on a couple of tubs of them 😁

[@lochinvar00465]

I've flown high power rockets. Sometimes the igniter is an electric match, usually coated with a small bit of propellant or other pyro compound. Many are "home made". I've used the commercial igniters that come with the small hobby engines(Estes) and hooked them up in parallel for mutli-engine rockets. But for the parachute charge, my "goto" igniter is a flashbulb(AG-1) coated with a pyro compound. I've also used quite successfully christmas tree bulbs modified for the occasion.

[@CypherAod]

Hey Clive, I actually did set off a maroon prematurely with an RF device - I had about 90 feet of cable spooled onto a reel between the maroon a few feet away and the "detonator" - 12v battery and ptm switch - in the core of the spool, but the battery was disconnected to prevent early detonation. We were using licensed radios to communicate on site so transmitting at about 5W erp. I keyed up while holding my radio near the spool of wire and the maroon went pop! - An anecdotal incident for sure and not an occurrence that I've tried to replicate, but certainly food for thought and it affected our future use of maroons.

[@bigclivedotcom]

If it was 2-core cable you'd think the common spooling would have rejected common mode noise. Strange.

[@CypherAod]

Yeah, very odd indeed! Maybe the cheap Chinese radios were somewhat to blame? We ended up using little radio controlled wireless detonators which did the trick nicely though.

[@tommihommi1]

The radio quality certainly has nothing to do with it, since crappy radios wouldn't transmit at massively higher power than expected. The current in a 50 ohm load is 300mA at 5W, so if the entire thing had by some freak accident a low impedance for your TX band, it's not totally unthinkable for a sufficient current to be induced. Seems highly unlikely and weird, but not impossible.

[@johnfrancisdoe1563]

tommihommi1 Your spool must have acted as a pickup coil, multiplying the induced voltage by the number of turns.

[@dglcomputers1498]

Remember also that RF is used in a lot of pyro systems to control the effects (such as galaxis (firing-system.com), so the effect of at least low power RF must be understood and mitigated against.

[@jaycee1980]

I improvised some electronic igniters once with a 10 ohm 1/8th watt resistor, a match head and a car battery. they did work but took a second or so to fire

[@bigclivedotcom]

They are slow to fire, but pretty reliable. I used quarter watt carbon film myself. Here's a very old video from 10 years ago:- kzbin.info/www/bejne/Y2iaYaiDd7aJnLc

[@mysock351C]

The reason they need to be wired in series is that in parallel the unequal resistances will cause them to pass differing currents. With them all in series, a current source can force the required current through ALL the elements without respect to voltage or resistances.

[@JulieBrandon-geekycow]

mysock351C Is CC what they're actually triggered with in the real world? In that case, it seems odd that the matches do not have a juicy resistor of a few ohms or similar to keep the current going in the event of the described failure mode. Other than wasted power, there must be a reason why this isn't done?

[@JulieBrandon-geekycow]

Are they normally driven by a straight up CC or ramped up to a V or C limit and then held? I can imagine there must be an optimum way that this is done that ensures highest likelihood of all firing without raising the current too high and burning out some matches' filaments and ruining the continuity?

[@nathantron]

and nowadays everything is automated and timed with programmable things. So this is only affects small bits of a full firework array. Explosives, got no clue.

[@Wallyskat]

I want to be just like Big Clive when I grow up (I'm 65). I watch these and then order something I see. I am now the owner of an ozone generator (not sure what I'll do with that) and just ordered electric matches. They could be fun, probably more than the ozone generator. Happy 4th of July, Clive. This is the day when things go bang in the USA.

[@bigclivedotcom]

Don't hold back. Buy all the stuff you want to play with. The matches can be fired with a simple AA battery, but watch out for flying fragments.

[@Wallyskat]

"To invent, you need a good imagination and a pile of junk." Thomas A. Edison I'm long on junk, often short on imagination - one reason I follow your channel, it is stimulating. Another favorite quote that doesn't pertain here at all, but are wise words is: “Never argue with an idiot. They will drag you down to their level and beat you with experience.” ― Mark Twain Any favorite quotes from your part of the world?

[@robertsmiczsmiczamplificat593]

Clive. I love the channel. I am a EE, experimenter, ham radio op. One of my fav channels, hands down. Keep up the great work, excellent videos.

[@captianmorgan7627]

Big Clive, making modern art.

[@robhall2570]

You seem to have produced a set of three soot butterflies too. 🦋 A good watercolour artist could make something wonderful from those. Keep ‘em coming Clive. Always love destruction and bangs! 💥

[@nigel1964]

Another great video Clive. Glad somebody is posting something better to watch than stupid football

[@stevejones8665]

Nigel bob Poor Scotland arnt in it this time around so Clive has a good reason not to watch but I bet he's waiting for England to bring the Cup back with them.☺

[@baconcatbug]

We need the bigclivedotcom sticker so we don't forget who we're watching and to prevent theft!

[@bigclivedotcom]

I've not decided where to put it yet, since the camera can be repositioned at various heights in this rig, with wide and narrow fields of view. Interestingly KZbin has just sent me a link with clones of my videos it's detected. It's taken the obvious ones down automatically and is letting me decide on the others.

[@lwilton]

FWIW, when I was shooting pyro back in the 1980s, we use Atlas squibs that were guaranteed to fire at 150ma +-15% if I remember correctly. They were also guaranteed to blow open. We did typically wire squibs in parallel rather than series. If we had a big shot, like 20-40 squibs, we'd use a relay box with a 12V gel cell battery within about 50 feet of the squibs to be sure that we got the shot. Usually though we only had 1-2 squibs on the end of any long run, so had no problems running a couple hundred feet back to the firing box.

[@twocvbloke]

Ah jelly crimps, the reason I have to have the phoneline fixed at least once or twice a year... :P As for the matches, they're pretty fun little things by the looks of it, I have no practical use for them, I'd just want to set them off now and then... :D

[@bigclivedotcom]

eBay is your friend for electric matches.

[@twocvbloke]

Had a look, they're not cheap for people like me (aka Cheapskates)... :P One thought though, nichrome wire and a rather increasing supply of ration pack matches, maybe a useful combination for homebrew electric matches? :D

[@denniswoycheshen]

Chances are the old connections have failed one by one over the years, your terminal is not well protected from water, or the tech didn't know what he was doing. Either way those are designed to seal the wire while at the same time exposing as little of the actual wire as possible. It's a great design if it's used properly. Much better than marretts or screw down terminals.

[@GatoRudyard]

I used to make those myself, although I don't think they kept conducting after firing. I used a piece of tungsten filament from a light bulb attached to a couple of wires. For the explosive, I crushed match heads and added some water to make a paste . I covered the filament with that and let it dry. I took inspiration from the electric starters used in Estes rockets.

[@cambridgemart2075]

The theroy behind them being in series is that you dump enough current, above the 'all fire threshold', through them and they don't get a chance to go open by the time all the matches have ignited.

[@MrFmiller]

I've been blowing off 5 gallon bucket bombs using cacium carbide for years. I like using piezo barbecue ignitors. There's no physical contact at the ignition point and they are very reliable. Bucket bombs are the biggest bang for the buck anywhere. They are as loud as the biggest firecrackers and fireworks, at least in the audible range, they are cheap, there is no debris, relatively safe, and the buckets can be used many times. The only expendable item is the lid seal which distorts. The explosion is so loud because the bore diameter of the bucket. If you ever try it don't use it near windows, it will shatter panes. Hint: 1/2 tsp per load.

[@JJones-gw9vy]

Plot twist, these aren't firework cables at all, they are just hairs plucked strait from Big Clive's majestic beard.

[@hazelhazelton1346]

Blowing stuff up is one of life's great pleasures.

[@kg4boj]

The worst thing is a lot of fireworks sequencer computers will test good circuits for many E-matches in parallels but when you fire them the computer skips over them. This is why the fireworks show in downtown tampa was such a bust this 4th of july. The old "boom boom" system doesn't do that, it's a direct pushbutton switch to the battery banks, BTW we use very old skool centronics cables that go from the main firing panel or computer out to the breakout boxes which sit between mortar racks which use regular speaker cable spring loaded pinch cables to make the connections.

[@anapananapa]

You should set off three more in a similar manner and then frame it, like you did with the exploding resistor art. They look a bit like flowers.

[@PaulSteMarie]

A buddy of mine found out the hard way that that you can't trust the continuity test to not light an electric match. He prepped a high power rocket with an I65 motor and installed the igniter in his motel room at the launch site. As soon as he touched the leads to test continuity,, the match went off, the rocket ignited, and he hung on for dear life. Fortunately he managed to hang on to it and avoid setting anything on fire, but it filled the motel with very noxious smoke. I think that motor had about 1.5lb of ammonium perchlorate composite propellent, 10 sec burn time, and about 15 lb average thrust. The smoke is burning rubber plus hydrochloric acid from the perchlorate: very nasty stuff.

[@callumlaird5158]

Big Clive! I have a question, Northern Light installed the lighting and sound equipment in my old school (Lockerbie Academy in the borders near Dumfries, about maybe 8/9 years ago). I remember you saying you worked for them, no idea of how big the company is but by any chance were you involved? Just curious

[@awmperry]

Makes me wonder if they did anything at my old school over in Kirkcudbrightshire. :-)

[@callumlaird5158]

awmperry Quite possibly! I know they did all the other new schools at the same time, so I guess they’re the council’s preferred employer. Hello to a fellow Dumfrisian, living in Dundee now though

[@bigclivedotcom]

I can't remember. I used to travel about with them a bit and got round a lot of schools.

[@callumlaird5158]

bigclivedotcom Ahh, nice one. About to order a £21.99 ‘60W’ (Chinese 60W) LED moving head, we shall see how that turns out

[@amojak]

I have worked on military explosive firing devices and one the UK army used at the time had an interlock button you had to hold to make the circuit so you could press the fire button. The scary part of this was that the interlock was in series with the return wire! so the pulse still could be sent down the cable . They failed to consider the transmission line effect on very long runs of twisted cable and this sometimes caused premature firing :o scary stuff.

[@lukesmith8792]

Thank you for showing us the jelly crimps, there just what I need for a job I'm doing

[@phillrullzXBL]

we use the jellies for pulse flowmeters used by water companies.

[@MrLurker906]

A video about explosions and pyrotechnics just in time for us yanks. Love ya clive!

[@kampkrieger]

5:53 in the bottom right there is a fire ball, where did it originate?? really strange, it seems like it comes from your hands and starts in the same instance as the explosion.

[@electronicsandcode]

Why not just wiring them all in Series and connect a Diode parallel to the igniter, so when the igniter fails, the diode will take over! Power all of that by a constant current source of 1A and there is nothing to go wrong ... ;) Very nice video as always - eventough I had to think of the poor bambam that was excited to death... by something similar. :P

[@hanelyp1]

If the diode drop is greater than the voltage required to assure firing of the squib that should work well. If not, you've introduced a new failure mode.

[@JulieBrandon-geekycow]

Or a juicy couple of ohms resistor across the lower part of the match? Yes, you'd have to increase the firing current as you'd be wasting some power, but presumably it would decrease the impact of the failure mode described. (Higher current required might mean bigger failure risk due to increase in power carried by cables etc though.)

[@qwertykeyboard5901]

That would increase cost

[@rickbailey7183]

1:30 Looks like a guy wearing headphones and a hoodie walking into the wind who has to go to the bathroom...

[@raymondmucklow3793]

Yeah it's important to break in a new bench proper.

[@markwatson9816]

Raymond Mucklow He didn't! Where are the skid marks on the bench, Clive?

[@maicod]

I think he is in Scotland now ?

[@raymondmucklow3793]

Mark Watson break in the bench, with explosions, not necessarily on the bench.

[@maicod]

Raymond Mucklow or break the bench :D

[@CornishMiner]

Pyro has come a long way from the time I used to work my way around the fuses with a portfire wearing an old fireman's coat. The thrill of setting off a long series of Japanese 125mm chrysanthemum mortars by hand while someone else follows on behind reloading the tubes must be an experience the modern pyrotechnician is denied.

[@tommihommi1]

Dropping shells into hot mortars, no thanks. People die that way.

[@vintageyamahasquid]

You should give that paper away to a patreon. That would look awesome in a simple frame.

[@ales_xy]

A couple of years ago I improvised something very similar using pieces of kanthal wire and matches. But of course it didn't exploded, just incinerated.

[@lazaglider]

Same sort of thing as were used to ignite the little rocket motors on the Estes stuff, if memory serves. Albeit run off a couple of AAs.

[@JohnBaxterWalker]

Nice pops and flames. I would like to see the next stage - the fuse igniting to see the speed it burns at.

[@bigclivedotcom]

That depends on the application. It's usually quickmatch though, so near instant transfer.

[@whc2001]

Some years ago that thing is banned for retailing online in China, so I cracked some flashlight lamps which come on at about 1.2V, disassemble a firecracker to pour the powder on a piece of plastic film, put the lamp in and seal -- a DIY electric match that worked really well even with a simple alarm clock that drive a 1.5V motor to strike bells.

[@whc2001]

Also, nowadays fireworks are almost banned in China ;)

[@bigclivedotcom]

That's surprising. China is famous for its fireworks. Most of our stuff comes from there.

[@jonothanthrace1530]

It was fun to watch it go up at 1/4 screen, and even moreso when you hear Clive's voice stretched out like that.

[@DefensibleBallistics]

Great video. If you’re doing any other “dangerous” experiments, you should use some of our ballistic gel :)

[@kulgan96]

this would make new year much safer

[@MalagasOnFire]

In Portuguese "Ligadores de Geleia ", it is used in networks, telecom . Bang and current two scary ingredients...

[@troyparr1659]

Hello Clive, do these electric matches have delay versions such as electric detonators have? Also, regarding the risk of mobile phones firing a detonating circuit. One of the staff of The Imps Motorcycle Display who used to fit a pyro thunderflash to one of the bikes for their display. Was the victim of a thunderflash going off and blasting him in the chest. After this he would always insist that mobiles be turned off while he was fitting them. Better than taking the chance of another premature blast. You might have even met him at some point.

[@HighlandSteam]

Technically the jointing bean is also a single use application when used in telecoms. Spent many a day down a pit jointing cables with the beans and getting covered in the goo.

[@cardboardboxification]

Big Clive. Check the temperature on them after the pop and see what temp it is...

[@mentatphilosopher]

If you placed a resistor in parallel with the charge, couldn't you use that to maintain continuity in case of a early fire causing open circuit?

[@YeOldeSpellbooke]

Thanks for the video Clive :D This explains why the first Myth Busters 360 swing test went wrong, though the rocket expert said that putting the ignition caps in series was "fool proof"... I really enjoy you investigative videos :) Bear hugs from Sweden /A bear

[@Thriller_Author]

at 7.23 if you step through the video a frame at a time you can see that the current hangs on for about 12 frames after it fires which should be long enough to fire other ones in series with it as Clive says (if they hadn't fired already as they have in the video)

[@Mrflash222006]

Merry tynwald day For Thursday Mr Clive, don't get too drunk

[@TDG2654]

Bangs and flames, I'M IN!

[@tncorgi92]

Robin Boots my thoughts exactly.

[@phillipsvanderwesthuizen800]

A very late comment by me, just saw this video. What could happen (and has) is that the protective layer on the squib gets damaged and exposes the pyrotechnic compound. This makes it sensitive to electrostatic discharge (at the squib) from an external source.

[@mrclucker1969]

Pyromanic flower-art! Cool!!

[@cmartinstutzman]

If you want to know the real reason for the plastic cap, other than directing the flame down the quickmatch. Take the cap off and run your knife down the side of the tip. It should go off like a blue tip match. This is a fatal flaw in its design, especially when quick match is e-matched by physically inserting it into the quick match paper tube on most devices. More modern device now use a plastic cup, that the match is inserted into.

[@TheNuclearPinball]

What happens when you have a missfire in a display. With the amount shells launched some must not have gone off. Do they dose them with water or disposed in a special way?

[@bigclivedotcom]

They are safe until actually fired, so if the fuse is intact they can be reused. On big shows where they don't want to take stock back they sometimes add extra unfired pyro on the final shows. Disney has a pneumatic firing system for precision fireworks. The shells have a smart circuit that is attached to two wires. When the show begins the system charges the shell's capacitor and requests a sample of the shells internal clock frequency. It then sends a command back telling it how many clock cycles it's to count before firing. When the shell is about to be fired the system sends an arming code and then triggers the air cannon to fire the shell. If the shell detects it's lost power it knows it's been launched successfully and starts counting down until it fires. If it detects that power is still applied after the time it should have been fired in, it goes into a safe state automatically and waits for further commands.

[@johnfrancisdoe1563]

bigclivedotcom But what if the match fires, but the pyro itself fails, doesn't that present the same hazard as a failed amateur fireworks piece? Also that Disney systems seems prone to ground level firing from a power outage.

[@tommihommi1]

John Francis Doe cheaper stuff is just doused in water, with more expensive stuff they wait until it's safe and then analyze whether it can be re-used in another show or must be either destroyed or taken apart and recycled.

[@MrMajorduck]

Shells are left to the end when you de-rig, partial cakes are just put to one side and made sure there is nothing still smoldering. We used to have a mirror on a stick for looking in mortars. Nearly all misfired shells are reused, you use add a new piece of quickmatch to the lift. However if rigged correctly there are very few shells that fail to fire and it's normally down to either an igniter being ripped out by another shell or someone forgetting to wire them in. We wire all in parallel, this is due to the inconsistent resistance of igniters.

[@Kr0N05]

Don't rely on a conductive path being still viable after an ignition; have a system that puts out enough current to run igniters in parallel, not in series.

[@bokkenka]

YAY! Explosions and flames! It's been awhile.

[@Slikx666]

So Clive, are you using this as an excuse to starting to make your Xmas cards this year? They'll be nice and dangerous.... 😉 Also I'm going to have to modify my firing box so it's got a continuity switch / LED in it, I forgot it when I made it.😷

[@nutsnproud6932]

Love it Clive :D I'd love to see it with a Fanny Flambeaux :D

[@Iamdebug]

Can you cover the consumer e-matches? There apparently is a difference but I'm not sure what it is.

[@VulpisFoxfire]

I'm reminded of the igniters for model rocketry, myself.

[@scottlloyd9762]

I just wonder if these work more reliable than those rocket igniters. I remember getting a pack of them and 1 in 5 did not fire let alone light the rocket.

[@ThumperJunkie]

"So let's uh....Blow this up now" Yes.

[@alexwang007]

How about RF plasma? I only know that the popular frequency used is 13.56MHz which is quite low in comparison.

[@wanderinguser7665]

Could the ESD issue be mitigated with a dielectric coating on the exposed end?

[@cardboardboxification]

Bangs and flames..... clicked on it as fast as I can

[@christastic100]

Clive do you remember scotch locks that worked the same principle as the communication joint.,used a few of those back in the day on my cars. I wonder because you put the current up slowly the wires on the first two would act like a resisters and as the last one blew it would heat up above the resistance of the other two from the heat of the explosive and have dumped the most voltage across it. This would be interesting to observe with a voltage meter across each one as they blow. I may be going down the whole wrong track.

[@spudhead169]

To possibly mitigate the match firing open circuit, could you not connect something like reasonably hi-power 3 ohm resistors in parallel with each one? Then blast them with a lot more current? If the current pulse is short enough it shouldn't blow the resistors and any match that failed open would be bypassed.

[@TheOregonOutlaw]

The PROOF of faulty electric matches (igniters) was ON THAT PAPER! Note the pattern of the discharge. The center had a good rounded pattern (and fired 1st) with the 2nd firing at elevated amperage and leaving a slightly misdirected pattern, and the 3rd to fire was loop sided in discharge. Where ever you purchased those from, has poor QC and is producing low standard product. Repeatability is key to those, and with that manufacturer it's not likely to be found!

[@minijimi]

6:10 "How not to be seen, Mr Clive can you please stand up"...

[@antoineroquentin2297]

they look like an entertaining tantalum capacitor replacement

[@MrMaxeemum]

Could it be that because you ramped up the current slowly the first one blew but then the wire is in open air which allows it be cooled. Then then next one needs more current as the first is heating the air without blowing then a second blows then you have 2x wires being cooled by the air which then needs even more current to pass to get the same heat in the 3rd one to blow and when the 3rd one blows the wire is hot due to the explosion and the higher current is then able to blow the open. (Would they all fail open at higher current?)

[@avejst]

Thanks for sharing 😀👍

[@jamhough22]

jelly crimps! very usefull for solid core bt/cat5 cable

[@eddyfontaineyoutu100]

Interesting study ! Thanks for the video.

[@pauldeboer]

Judging by the sound when you snapped the 'pcb', is this some kind of ceramic?

[@lukahierl9857]

That powersuply is a KA3005? I alsow have one and that fan is very anoying. I replaced it long agone

[@Mihail_K.]

When I saw the thumbnail I first tought this is some sort of modern art...

[@beszt95]

6:47 the skid mark looks like a bird lol

[@atahservices2840]

I never knew those conectors were fir telecomunications. I use them for vehicle wiring

[@UraTrowelie]

You can close those connectors with your fingers. At least in low voltage wires

[@throttlebottle5906]

you must have some serious pinching power or very poor quality connectors and improperly small wires.....

[@Tupeutla]

can you explain the electrostatic detonators system . I saw long time ago about the yellow cables , no current passing thru just a lot thousand of volts . not sure I saying good