HMV 888 Radio with a BBQ'd Transformer - Part 1
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- čas přidán 27. 07. 2024
- Running short of time to launch a new video I picked up a nice looking HMV radio reported as "not working" A quick repair and a clean and and I can relax I thought... not so fast Speedy... the transformer is roasted... I decide to rewind it but first I need to update my winding machine. This video is all about updating my winder and rewinding the transformer.
Buy me a coffee ☕:
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Marko Delac - Delatsch Channel - Transformer Rewinding:
• Practical Transformer ...
RetrObright:
en.wikipedia.org/wiki/Retr0br...
My Signal Tracer:
www.distrelec.biz/en/signal-t...
My Digital Signal Generator:
The Signal Generator is a project kit from a local electronics magazine called Silicon Chip, there is a sister publication in the UK called Practical Electronics, it was featured in the April 2018 edition but mine has a oscilloscope function as well which I don't use. There may be a later edition in PE with that feature.
Here are the links:
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I'm completely blown away at the ingenuity and time you have invested in creating a transformer winding setup that actually works very well. This video was quite fascinating to watch.
Thank you lakrfan 49 👍🙂
Good morning David from the UK. They say necessity is the mother of invention, and in the case of your home made winder that's certainly true. Absolutely brilliant. I think with a bit more refinement you will have a great little tool that should come in handy for future restorations. Looking forward to seeing your next installment. Hope you are well. Terry
Hi Terry, thank you. I am good thank you. I have purchased two more stepper motors and will go with a new design, a bit smaller and neater and hopefully accurate enough to get a more consistent finish. I would say though the finish was pretty good all the same 🙂
@@DavidTipton101 I thought the finish was superb.
You have raised the bar considerably on innovation with this video.
First class workmanship and wit, most enjoyable to watch.
Thank you Lockdown Electronics, I hope I don't raise the bar too high and trip over it 😉
@@DavidTipton101 From the top, all options are down!
I have no clue about electronics but I enjoy your inventiveness. Your patience and willingness to experiment so that these old radios live again is incredible. Thank you, sir!
Thank you Shannon 🙂
Love how the woodgrain manages to look like an Art Deco style
It's a beautifully veneered cabinet High Path 👍🙂
David Tipton you are good at electronics restoration of vintage shortwave radio Receivers and Alignment
Thank you Greg 🙂
You have good taste Greg- I’ve seen your comments on all of the channels I watch.
Some great skills and materials used throughout this project.
Removing the enamel from the copper wire for soldering. The use of the kapton tape and heat shrink. A good variety of materials used gives reliability. 😀
The spool winding reminds me of fishing line spool on a fishing reel, how it feeds on evenly side to side.
Room for improvement there but early days. 😀
The ingenuity and patience got the result.
Enjoyable to watch!
Thank you David. 🔧😁🙋♂️👍
Thanks Pete. Good point about the fishing reel and plenty of room for improvement, I hope I get another bung transformer to try out the improved version 😄
Wow David . I am speechless . That was sheer brilliance combined with incredible patience . Good to see you at the bench again . Lovely looking radio too . I bet that's a keeper ! Just restored a similar radio but thank god the transformer was ok in spite of shorted filter caps . Never had the guts to attempt a rewind but hats off to you for doing that . Now to start my next project . A rather nice 50s communication receiver . Fingers crossed the trans is not cooked !
Best wishes from Thomas in UK .
Hi Thomas, It's a cracker looking radio, the case is a work of art. I haven't had a lot of failed transformers lately, they come in waves it seems. I was hesitant to start rewinding transformers but it's quite rewarding and pretty straightforward really. Good luck with your coms receiver. All the best to you too Thomas 👍🙂
Hi David, thank you very much for uploading videos of all your great work, I hope you can continue doing it for many more years, greetings from Colombia
Hi Andrés, I hope so too. Thank you 🙂
I had fun watching how to wind a power transformer without realizing how time passed.🎵
Haha... thanks 문화융성 🙂
David, you always amaze me with your technical skills and ingenuity to get the results needed for the task at hand. Thank you for your excellent restoration videos and am glad you are doing much better. PLEASE, don't over work yourself to get sick again!
Hi David, the doctor says I'm all better now thanks. I'm glad you enjoyed the video, Thanks David 👍🙂
@@DavidTipton101 I am so happy to hear the good news from the doctor! You are much loved, appreciated, and needed!
@@waynethompson8416 Thanks Wayne 🙂
Oh I just loved this video - even more when I saw the "Turnminator 2" label :-) Your aptitude with electronics and mechanics is inspiring to watch. (working nights in the UK at the moment so I'm on Australian time!)
Thank you Ross, I'm glad you enjoyed it. Night shift, am I glad to be done with that 🙁🙂
On the contrary I find this session quite interesting. This is well done for someone like me who has not done transformer winding. Thanks for the look and your time.
My pleasure John, glad you enjoyed it 😀
ABSOLUTELY AMAZING!!! I clicked on a video to watch and instead of the video I clicked on, this one came up! Sort of a Supernatural knowledge that I would far more want to watch your videos than the one I clicked on...and I certainly would! This is one of your very best videos ever. I was thrilled to "hear you smile" and laugh so heartedly. Your videos are always so educational, inspiring, encouraging, interesting, enjoyable, thought-provoking, and appreciated!
Thanks so very much for sharing this one with us.
Thanks Wayne, I have hacked the CZcams algorithm so my videos come up regardless of what you click on 😉 I'm very glad you enjoyed this one Wayne, I wasn't sure how it would go. Thanks again 👍🙂
Never apologize for showing us something you hadn't intended. One of these days I may brave my way to rewinding some 1929 transformers, and what I've seen here may help if I can retain and adapt it well enough!
Haha... yes I got of track there but a successful video on rewinding emerged. This rewinding lark is pretty easy with a bit of experience and a cheap hand winder from China. The wire is a bit pricey but I think worth it in the end especially if you can save an early radio for the dump. Good luck if you try it Lurker Smith👍🙂
Hai David, you are really getting famous. Whenever I search on the internet for a radio you restored, at least 1 result is from your video.
The idea of the carriage out of a printer was genius. Yes, you can control it much better with a stepper motor than with a simple DC motor. As you found out as well, a DC motor runs either too fast or not at all. The result is great, the windings are nicely placed next to each other, a great success.
Thank you for yet another video.
Haha... thanks Jan. I always wanted to be famous 😄The printer worked alright, superseded now but a simple solution for the occasional rewind 🙂
I'm a horrible person Dave. As soon as you showed that toasted transformer, I wanted you to rewind it. When you found a possible spare I was disappointed and when you realized it was to large I was happy because that meant rewinding was back on the table for repair. I'm almost ashamed of myself for rooting for rewind when it made you go through such work. Thanks for this content, wonderful.
Not a horrible person Mr Byamile, my videos are like riding a roller coaster of emotions, the dizzying highs the devastating lows... I should write book covers 🤔 Actually I was relieved when I thought I found a doner transformer then depressed when it wouldn't fit, the opposite of you 🤣🤣🤣
Dave, Your engineering skills are far beyond anything I would attempt, but I love watching you solve problems. Your ability to explain complex matters so I can understand is what makes your videos so great. Even though I would not attempt some of the things you make look easy, I still learn a lot and I am encouraged to attempt more than was previously comfortable for me. I never miss your videos. Thanks
Hi Erv, always give it try a bit further every time. Thanks Erv, I'm glad you enjoy them 🙂
Great video as always! Just had an exam on AM communications and what can I say. Your channel has certainly helped many of us better understand these radios and the engineering behind them.
Thanks MrPRG. Good luck with your exam results 👍🙂
The whole Turnminator 2 project is so good it's scary!
Thanks Moshe 😄
Well done!
I had to make a transformer in seventh grade for a course. By hand. As in hold the bobbin in one hand and loop the wire around with the other. We had two choices of material to make the bobbin Presspahn (a type of insulator Kraft paper) or 1.5mm phenolic sheet. Counting to 2750 (primary for 220V) is tricky when you have to remember where you were after dealing with some incident. Wire was .1mm for the primary so it was easy to have it come loose, unwind and create a mess. Mine worked (majority of the class didn't) but have never tried it again. You have reignited my interest now after 40 years and since I have a signal generator with a dead transformer I might get to do it again.
I remember we had great trouble trying to wind evenly and tightly across the bobbin and the only way to do it was to put a sheet of baking paper between layers. That way each layer starts fresh and the paper takes away some of the unevenness of the previous layer.
We didn't have varnish so we relied on the tension on the wire to keep the windings really tight.
Thanks viorel. Hand winding sounds like a nightmare, I would lose count for sure. Good luck with your transformer 🙂
“Turnminator 2” quite funny!
Haha... thanks Rocco 😄
As you were rewinding the transformer, at the 42:00 minute mark (approximate) you said "It's not going very well." Good Gravy, man! You did a helluva job! I don't know of anyone, anywhere, who has designed from scratch, a custom transformer rewinding workstation for the hobbyist/home use like you did. While the applications are limited, as most replacement transformers can be purchased, I don't know of anywhere one could purchase a replacement transformer for an antique radio, so they have to be built from scratch to perform correctly. That rewinding station is genius. You could most likely refine it into a transformer rewinding workstation that could be patented and sold. Yes, it may look like an octopus with too many arms on your workbench, but it WORKS, and that is what is important. The micro switches, along with the stepper motor and stepper motor programming is simply genius. Give yourself more credit. You come up with some of the simplest, yet amazing solutions when you are under the gun.
Thank you Grouchy Guy. In my defence when I said that it was running too fast and leaving gaps, it should have been better that that but I was VERY happy with the end result. Replacement transformers are getting rare and I was chucking them out like everyone else, I couldn't keep doing that, beside I was fitting similarly aged transformers to the one that had failed. I will improve the design in the future. Thanks Grouchy Guy 👍🙂
Turnminator 2 had me spraying my bevvy all over the monitor! superb channel, plenty to learn here :)
Oh... sorry about that Julian 😄 Thank you 🙂
David,you are a genius, outstanding work on design of winding equipment.
Thanks Dennis, not sure about the genius part though 👍😉🙂
Very interesting how you tackled the issues and updated the winder as you went along. Well done
Thanks Nicolas 🙂
So very much looking forward to Part 2!
Next week Wayne 🙂
I am truly amazed by the way that you consistently come up with ingenious solutions to problems and the "nothing is going to beat me" attitude that you display. The quality and attention to detail that you show on every one of your "adventures" is something that we can all learn from. I have tried to follow your footsteps by making a conscious effort to pay more attention to detail and I have noticed that it is helping me in my daily work. You are truly a hidden gem of CZcams and I believe that you should have 10 times the subscribers that you have now. Please keep sharing as it always a bright spot in my day whenever I see that you have released a new video. I also like your sense of humor. When I saw the "Turnminator 2" sticker at 21:44 I busted out laughing. Thank you so much for sharing your journey with us.
Hi Scott, thank you for your comment, I'm so glad you get something from my videos, it motivates me to keep going. I am slowly working on Turnminator 3. Thank you Scott 👍😀
Great video. I learned a lot. Transformer radios give me the hee-bie gee-bies. Long ago I had a 6X5 tube short. Before I could unplug everything was cooked. Thanks for the video, you're the best. 😃
The 6X5 has a bit of a reputation for shorting, I haven't seen a lot of them in radios that I have done. Thanks batman387 🙂
I’m glad you’ve got all the “know how”, and the wire winder for this job. It is usually the end of the line for the radio 📻 when a transformer burns out (financially). You’d have that transformer rewound in, probably 5 minutes, and all 1500 + feet of it (20, to do it correctly, if it takes more time). I’d be there a day and a half, trying to rewind that transformer by hand 🤚, and it would not look as good. Just be careful not to break the wire at any point. Re-laminate the wire before winding. I don’t even know where to buy that wire rewinding tool. I’d probably be looking at $1500.00 for it, new. Your friend, Jeff.
Thanks Jeff, you are correct, a failed transformer is often the end of the line for a radio, the winder is pretty cheap, a bit over $100 on eBay 🙂
Glad you’re back Mr. Tipton. Hope you’re all right. Greeting from the other side of the ocean.
Thanks Bernardo and greetings. I'm very good thank you 🙂
Now I know it’s going to be a great day. Thanks David!
Thanks Thomas 🙂
Hi Dave
Excellent video
i have little knowledge of electronics, I like Old Radios but your videos are never boring
Thanks for posting
Thank you Franklin 🙂
Great job on the rewind. The idea of using parts of an old printer is quite interesting. Reuse is great. I am lucky to have squirreled away a few 10 & 15 lb rolls of enamel wire back in the early 80's. The price has gone incredibly high here for wire now.
Thank you F.K. Burnham. Blimey that's a lot of wire, I'm scrambling to find big rolls except from the UK with the associated high delivery costs added on top 😲
Brilliant stuff David. Transformer work is the most difficult repair one can do. Fascinating solution to widing a new one up.
Thanks Steve, I wasn't looking forward to it but enjoyed it in the end 🙂
I have really enjoyed this video, especially because, for a change, I understood all the theory behind it. Let’s hope that in the next video, we will not see this beautiful transformer go up in smoke like the old BBQ’ed one!
Thanks Hijme, fingers crossed 😄
I thought you were going to BBQ a transformer to de-pot it like you did for those capacitors a while back. No need as this one was done to a turn, or more 😀 I really enjoyed watching the reconstruction of that burned up mess. Very impressive repurposing of that old printer!
Haha... it could have been construed as that, I think it could have used another 5 minutes baking 😄 Thank you Chuck, I'm glad you enjoyed it 👍🙂
That was fantastic David. Thank you for the step by step and detailed explanations. As always looking forward to more.
Thank you Phillip, my pleasure 👍🙂
Awesome Dave! Transformer winding is something I want to get into thanks for taking the time to show how you do it. Hope your traveling well mate, have a good one.
Hi A Last, I'm working on a better design but for a cheap build this one worked well enough. I'm going OK thanks. Cheers! 🙂
Glad to see you back at it Dave !
Thanks Paul 👍🙂
I suspect the rectifier or filter cap probably caused the transformer to blow -- so that's the first thing I'd _check thoroughly before_ committing your beautifully re-wound transformer. Watching this was fabulous. Can't wait till the next episode!
Thanks Greg, I think the failure may have been caused by perished rubber wire but I'm not sure. I will test the valves and power it up slowly, wish me luck 🍀🙂
Great job. I think you could make watching paint dry quite interesting.
Haha... thanks tarstarkusz 🤣
This is a fantastic video. Great job, sir!
Thank you The Guitologist 🙂
Another winner from the master! Nice rewind David and we like side tracks on videos. They teach us additional thought processes that are used on the fly. Can't wait for part 2! Thanks for posting and take care!
Thanks John, 5 minutes of radio and 55 of transformer rewinding, oh well. Thanks John, take care yourself 🙂
Another interesting video David. Look forward to the next one.
Thank you derrick 🙂
Always a pleasure to see content such as this. I had a 1930s Pen valves radio set, that had a 'pitch wound' transformer that within minutes of the set being powered on, was pouring out smoke.. 👀Over the years no surprises re transformers failing.. I have used specialist transformer suppliers who custom build for certain projects et Buying or sourcing a second hand unit sometimes works but for more 'special' repairs/renovations I tend NOT to go for them. 👀
Hi Arthur, thank you. The very early transformers fail with monotonous regularity and I had a few rebuilt by a chap who has since retired from rewinding, he did a beautiful job. If I can get somewhere close to his level I will be very happy. Working old transformers are just transformers that haven't failed yet 🙂
My head just exploded. Ouch! I envy your electronics skills. Very well done, David. Kudos!
Thanks Otto, sorry about your head 😄
fantastic, fantastic transformer work
Thank you Johannes 😀
A transformer on the Barbie!
Dave, you have amazed and impressed and dazzled once again. Me? I would have found another transformer. But you did a fantastic job with the rewind!
Thanks Super Het, I couldn't find another transformer of that size with the appropriate windings, it was good fun anyway 🙂
David once again your engineering prowess is staggering, mechanical electrical and now programming. I suspect if we went around your home we would find your innovative handiwork everywhere. Thanks for letting me look over your shoulder.
Thanks Mack, I did a lot of Visual Basic programming in the past, this was similar but different. You may find a few wacky things around here all with Buddy in the name, BBQ Buddy, Bathroom Buddy or the Beer Buddy, which I used to pour my home brew into the glass without the sediment. All consigned to the bin now. Thanks Mack 🙂
Fantastic Dave. No apologies needed - that was a great vid on being self sufficient.😎
Thanks John 👍😀
0:50 Spotted that long-gone call-sign (2)HR in the NSW grouping. As I mentioned once before, 2HR was a station located in Maitland that went belly-up around 1950(or could've been earlier). A new station, 2NX replaced it around 1950 with studios and office originally in High Street, Maitland and transmitter located at Bolworra(a Maitland suburb). The old 2HR transmitter site was near the railway line, some distance out from the Victoria Street station at East Maitland, on the left as you rode to Newcastle.
Thanks Neil 🙂
Hi David - there is really nothing that you can't achieve! Very impressive!
Thank you Kenneth 🙂
You are truly an artist!
Haha... thanks Peter 🙂
Greeting from across the pond in Canada. Very well done David, I look forward to your videos as they are truly inspired. Great ingenuity. Be well.
Thank you Mark in Canada. Cheers 🙂
Very creative and impressive work. Thanks for sharing.
My pleasure The Radio Shop 🙂
4:00 The transformer could've been affected by Barbecue(Barbie Q.)'s sister, Suzie Q.! LOL
👍
My printer is still good... Damn!
Bravo, Dave! I will have to build one of those.
Thanks for the video.
Stay tuned Audio Reparaciones, my improved version won't require a printer and will hopefully work better, although for a cheap solution this works pretty well 🙂
@@DavidTipton101 I will, Dave!
What a Cracking Contraption!
Thanks Borkzilla 😀
GREAT JOB I love it the rewind is great. Can’t wait for the next one.
Thank you Ripley 👍🙂
The time involved in that must of been huge. Great job and fun to watch. Buzz recommended your channel and I like what you do just as he does. Thank you.
Hi Andy, I took a few days for sure. I love Buzz and his videos, it was very kind of him to give me a shout out. I hope you can subscribe, thanks Andy 🙂
My god David. I tip my hat to you! You are way ahead of me. Congratulations and and my total respect for your knowledge and great work. Keep up the video's, I'm addicted.
Thanks Roger, I'm glad you enjoyed it 👍🙂
Great video, David! Mix of old and new technology, Perfect balance for old hackers like me,
Thanks Bob, it is one end of the scale to the other 😄
Wonderful to see the evolution of your skills.
Thanks Chris, I can only get better 😄
Happy to watch. Really mind blowing....🙂😀
Hi Manoj, thank you 🙂
You really knocked it out of the park with this one, Dave. I had to pick up my jaw from the floor multiple times during this video.
Be careful though, because with this quality of work you'll be attracting requests to rebuild transformers from all over the world. ;-)
Thanks Retro Tech Restorations, I have had a few already 😄
Whenever I see a new video on this channel I know the day is gonna be awesome! Thanks for sharing your radio adventures with us, Dave 😻
Thank you Dmitri, I'm glad you enjoy them 🙂
Amazing jop David thank you so much for sharing this .wall done 👍wating part 2
Thank you Amaraltimimi 👍🙂
Once again just one word "Superb",and hope you are keeping well,regards Colin
Hi Colin, thank you and I am well thanks 🙂
That transformer was very well barbied. Very ingenious wiring feeder David. That would have taken me months to work out. The transformer came out great so I can’t wait to see it going back in the set. Cheers Graham
Hi Graham, the transformer must have been smoldering for quite a while before the big bang. I was pretty happy with my winding effort but I will redesign it so the winding motor is tied to the guide motor. I'll see how it all works next week. Thanks Graham 🙂
I knew that you were a (pretty smart cookie). But, holy Thomas Edison batman you are on a whole next level. You never cease to amaze me. Thank-you, for taking the time to put these shows together one can only wonder at the countless hours you spend trying to entertain your viewers. Take good care till we meet again.
Thank you Mr Bond or is it Robin 😉 It's worth all the effort to get such wonderful feedback from viewers. Take care 👍🙂
Your relaxed approach and courage and willingness to try the completely unknown is very encouraging to me. I am now certainly more open to giving something a try. It is just stuff after all, so if I mess up, I'll simply try again.
Thanks for sharing!
That's my moto Joseph "what can go wrong" it doesn't always work but it's good fun trying. Good luck 👍🙂
Ah new video, Mmm lovely HMV, then the journey begins, wow an hour of engineering ingenuity and joy! What a great result and what looks like a "Dave Industries Pty" patentable winding device. Never doubt what draws us viewer's in its you application of ideas and skill. Looking forward to hopefully an easier, for you next episode. Regards
Hi Ken, yes a lovely HMV indeed. I wondered if this episode would be any good but it seems to have gone as well as others, it's good to get feedback. Thanks Ken 👍🙂
You made awesome automatic coil winding machine sir you are fantastic ❤️.
Thank you Nath 🙂
Lovely work David. Love that you made a new former.
I've wound hundreds of transformers but never seen one with a wedge in it. As a boy I would sit there winding by hand and making sure not to loose count, I now use an Avo coil winder but still normally guide the wire on by hand. Good luck with the radio.
Hi jonka1, thank you. The few transformers I have pulled apart had a wedge and Buzz1151 did an American one last week and it had a wedge as well 🤔 Winding by hand must have been fun... I searched out your AVO winder, it looks good, lots of gears and spinning rods. Thanks jonka1, tune in friday and see if the radio works 👍😀
@@DavidTipton101 I'll be there David. After the transformer work the radio dare not refuse to work.
Again you made a great job by rewinding
Thank you Stig 🙂
Ingenious! Nice one.
Thank you Roger 🙂
I wouldn't tackle that, far too complicated!!! 🤔 But good on you for trying it 👍😎
Thanks Bob 🙂
Use a PWM controller for the DC motor instead of the voltage regulator.
That way the motor can move slow without losing torque and stall.
Yes that would have worked pretty well CXensation and if others want to use that it would make a cheap winder. I didn't pursue that option because I wanted to go all stepper motor eventually. But a good solution, thanks CXensation 👍🙂
Brilliant! I look forward to seeing your custom winding machine progress. You may also want to consider using hall effect sensors instead of physical limit switches.
Thanks Justin, I will look at all options, microswitches are the most popular method but I'll see which works best as regards physically mounting them 👍🙂
I really find the transformer winding and calculations very instresting.... Maybe if you print an accurate bush, to press on to winder shaft, to hold plastic transformer frame more accurately, it may wind on more uniformly. But your windings looked very good.....I hope they are teaching this in our schools. Maybe one day we can get back into manufacturing in Australia again. Great work, and thanks for you channel.
It is interesting but basic math really. I made the wooden guides to do just that but made them to suit another spool by mistake, I could be bothered to make another set 😄 printing is an option. Thanks slypig24 👍🙂
Good quality clear coat.
Thanks mr GiGi 🙂
Brilliant Video Dave, I really did enjoy that whole journey and I think it has made transformers just a little less scary to me! 👍👏🤣
Hi Chris, thank you, transformers are getting a little less scary for me too 😄
ingenious work with the old printer mechanism. I like it.😀 You deserve a lot more subscribers.
Thanks Buick Mackane, I'm surprised I have this many 😄
Hope you are well David, love the Turninator 2 joke 😂 That machine is pure genius 👏🏻👏🏻👏🏻
I'm good thanks VRE, I trust you are too. Haha... thanks 😄
@@DavidTipton101 👍 As well as you can be David in a country where the conservative ‘government’ has abandoned the country 🤬
I guess I’m getting ready to see part 2 to this. The next round will probably be new tubes and capacitors. Again, for your sake, I hope 🤞 the dial cord in this radio 📻 does not need to be replaced. That’s logical to have to, but what’s worse, is to put the radio all back together, thinking 🤔 you’re all done, to have the dial cord break. Again, after dealing with a burned out transformer, unwinding, and winding up 1500 + feet of wire, would be what I’d want to do in a day. Your friend, Jeff.
Hi Jeff, the dial cord is broken and the capacitors have been replaced recently by someone else but there is still plenty to do in part 2 🙂
@@DavidTipton101 I just hope that the capacitors have been installed correctly. Like bicycle 🚲, or car 🚗 tires, they are not often directional as far as tread design when installed (but sometimes are). Capacitors are a round cylinder, and don’t seem “directional”, but they are (best way I could speak 🗣). There is such a thing as installing a capacitor backwards. All will seem well, until ya click the ON/OFF volume knob to “ON”. Once the “click” is heard 👂, will come a resulting “POW”, or “POP”. By now, you’ve probably blown out everything on the board. It could be one ☝️ capacitor (a good one), two, or several capacitors (probably good ones), or this could blow them all out. The only time ya might not mind, is when an unwary customer (or repairman 👨🔧), has replaced one, or several capacitors, ya plug 🔌 the radio in, turn it on, and “POP”, to find out all ya blew out, was OLD, or ROTTEN capacitors. At least, that wouldn’t bother me. Your friend, Jeff.
Fantastic video as always Dave I always find your Dave's Radio adventures videos fascinating as you restore and repair them such a knowledgeable guy though granted I don't have the experience or expertise like you have Dave maximum respect to you mate 😃😃👍👍
Thanks Stephen, I'm so glad you enjoy my videos 😊
That was fascinating to watch. Well done!
Thank you FrankenShop 😀
This is the best tutorial on coil winding I have seen. Very informative and beneficial.
Thank you Johnny 🙂
YUm! crispy transformer!
Super crispy 😄
A good transformer bobbin winder is a very useful piece of kit to have. I am sure that as you progress, your set-up will evolve into something very precise and easy to use. Keep going on the upgrades!
I agree, it has been a revelation to me and will save a lot of sets from the bin. I have plans to improve the winder as I go along 🙂
@@DavidTipton101 Looking forward to the updates on it! Cheers and beers from over the ditch in NZ.
Nice job on the semi-automated coil Winder Looking forward to next week's episode Bit if trivua: Perry Como and Bobby Vinton were from Canonsburg, about 20 miles from where I live.
Thanks Jim, looks like good things come from Pennsylvania 😀
Let me see….. electrical engineer, mechanical engineer, mathematician, carpenter, mold maker….. is there anything else? Great video as always, keep those videos coming.
Not that I can think of 😄 Thank you, I'm just doing what I enjoy ralphmans, I'm glad you enjoy my videos 🙂
Hi Dave, that was one fried transformer.
I used to get my students to make similar things out of old printers and Arduino's, the kids loved doing something practical with electronics and programming. The stepper motors make all the difference in such devices.
I've been offered an industrial transformer winder with 3 feeds. It'll need a truck to move! However, seeing your solution might be a better starting point. Hmmm.
If we can get it out there that a dead transformer is not the end of the radio all the better.
Hi Andrew, it sure was fried. That would have been fun for the students, it was for me. The winder you have been offered would be terrific if you have somewhere to put it but I bit over the top I guess, it might be three phase as well. My prototype will be redesigned from the bottom up, I will keep the winder but start again otherwise using two new stepper motors and a new wire guide, the printer part will go. It did a reasonable job though and if folks want a cheap method it works well enough. I was going to try a PWM motor controller on the DC motor but wanted to go stepper eventually anyway but it would only require an under $20 spend 🙂
I am playing catch up today
Wow no job to small, Dave, you are a pure joy to watch, not to mention your editing skills.
Thanks Craig, I'm playing catch up too 🙂
Hi David very ingenious. And The way you've laid those laminations out . 53.41 A definite entry for the Turner prize . Very abstract. Make a fortune at the London gallery's lol .A pleasure to watch as allways. Kind regards from up top. Shaun
Thank you Shaun. Haha... it did look quite artistic 🤣Thanks Shaun, all the best to you 🙂
David: I admire your perseverance. Felicitaciones!!
Thank you Carlos 🙂
Hi David. Great stuff as always. A superb demonstration of your knowledge, skills and patience. The transformer outputs turned out to be spot on (although not under load) at the first attempt. I must admit that on a couple of occasions I thought that the wire would snap during the winding process. Your rewind set-up is pure genius. Again superb work. Look forward to seeing the next episode. Cheers Chris.
Thanks Chris, the wire is pretty hard to break even the thinner gauge wire, I will add a strain relief mechanism next time and a slow start feature to further reduce potential breakages 👍🙂
That BBQ'd transformer is the reason why some producers of transformer added a thermal fuse to the transformer... you can't rely on current fuses.
Hi Eddy, that's a consideration for future rewinds 👍🙂
As always, a great presentation.
Thank you Paul 🙂