Furnace Return Air Plenum Fabrication
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- čas přidán 11. 12. 2019
- This is just one of many ways to form a return air box or plenum for an electric air handler to sit upon. The box is required in most cases to ensure full unrestricted air flow through the evaporator (or indoor coil) , which may be an "A' coil style, (upright or inverted) or a slant coil. There are some that allow air to enter on the side of a slant coil, but more and more the manufacturers are designing them to be adaptable from left side, right side or a horizontal application. Entering the bottom by use of a return air plenum box eliminates that decision, plus a lot of manufacturers are making air handlers shorter to give the installer more working height on furnace change outs.
When you are figuring out the height of your box, the main thing to consider is whether or not there is a convenient and workable factory filter rack in the bottom of the air handler or if you have to provide a slot of your own in the return air drop. The minimum height I use is around 17" because the normal size filters I like are 16" in height. It is a good idea to try to always make a filter rack if required in a fashion which will allow standard filters to be utilized. Nothing is worse than having to run down special order filter sizes that are not normal stock items because you didn't take the time to adapt the factory slot or fabricate your own slot to standard sizes.
I didn't record the awkward folding of the three sided wrapper because my shop is very crowded. The best set up for myself is a full length table that is four feet wide right behind the brake to support the oddities that have to be worked with from time to time. If not supported the long pieces can flip down to the floor and place an awful kink right where you don't want it in a piece of metal.
The box and pan brake does come in handy for things other than boxes and pans. Without having the versatility of the removable jaws, the second quarter inch 90 degree bend would have to be folded over then folded back by hand in order to fold in the sequence shown in the video.
The little reinforcement corners make a great addition to strengthening an otherwise floppy box. Of course by the time the air handler is place on the box, it will scrunch down and support much more than the weight of a residential/light commercial air handler. But I still like to make them sturdy. Back when I got started in the mid-70's some of the boxes were made of 22 guage and a lot of the joints were soldered together !! But you have to remember the weight of the machines they were asked to support was much heavier and much larger physically than those produced today. That would this day and time be considered "overkill" as far as strength or sturdiness is concerned as well as a waste of material and labor. So all things evolve.... humankind itself as well as the things we create.
So I hope you enjoyed the video as that was its intent. I don't do instructional videos or promote them as such, but if you are lucky enough to pull a grain or two of information that may help you in your daily work, feel free to take it with you....but make sure you improve it and make it your own and don't hesitate to pass it on to someone else that may be interested. Information is not ours to keep...its ours to share. And also remember that there are as many ways to perform a function as there are people to do it !! - Zábava
Nice job.good to see there are still real sheet metal mechanic out there.been doing it for thirty years now all for the same small family run company.like you said many different ways of doing this.i like to make a reverse tap in with 45 degree corners.the furnace,fan coil slides in and the extra 3/4 holds in place.makes it easy when time to change it out,cut the tape and just slide out.
Oh heck yeah...I've been guilty of doing it like that myself. Whatever makes the job go smooth, keeps the air inside the duct and looks neat and trim at the same time. Of that I insist. When there is a tough one, I also like to leave a note written inside for the next guy that does a tear out 25 years down the road too... Thanks for the compliment sir and we both seem to agree that there's not a single 'best way' to do a job because the job usually dictates how it needs to be done. Take care and have a very good week sir.
WOW I could watch you do this all day, such skill and care!
Thank you for such a nice comment. I am sincerely glad you enjoyed it. There's a couple playlists up top that have nothing but my sheet metal videos in them. If you have time, feel free to take a look....
Retired? Installed two furnace systems so far this year. Last year I think you built a couple adapters and cut a pile of wood for friends and family. Then there was grinding floors and tractor repairs.
People who know how to do things don't retire. We just stop getting paid for the work.
Nice job on the plenum. That electric hammer is sweet. 😆😎
Actually I've put in quite a few this year so far. I don't look for work...work just kinda waltzes my way. You're right about retiring...LOL....still working, and most of the time free, but its always for a good cause. There's lots of older people that really need the help and who knows, maybe some day some youngster will give me a hand with something or other. They make those hammers in a much lighter pneumatic design... Long and skinny, they weigh about a quarter of this big old beast. Thanks for stopping by sir and I apologize for not getting to hang with you the other day on your live chat. Next time maybe.
electric hammer, love it too.
@@vnesmuonnam A lot of shops have much lighter pneumatic hammers now. But Milwaukee still makes this exact hammer. Its just has a red handle. Thanks for watching and commenting !!
Nice T! Came out square and just love watching those machines work. Nice having such a well equipped workshop. Enjoy the weekend! Cheers!
Yessir it is kinda nice have old stuff that really works !! I agree. But I've been putting a shop together for probably 40 + years. Thank you sir for the comment and you please have a great weekend as well !!
T - you asked me to show you the suction mount I use for my camera. On my tractor chain update video that will load this morning in about an hour, at about the 3 minute mark you will see the mount - it is on the lower part of the loader arm. Hope that helps. Cheers!
@@GPOutdoors Thank you sir for the heads up. I try to watch your videos in sequence and obviously continually get behind, but I'm going to jump up to this new one to see it. Thanks again GP.
Nice video! Thanks for sharing your skills with us!
Good evening sir. Thank you for the comment. Did I mention on another reply that my Mother in Law was a Jokerst from Ste Genevieve Mo.?
44 you make things look so easy good job most tin knockers I know don't make things neat or square
God Bless
PaK
Well Peter, sometimes a fellow just gets lucky and things go just right. LOL. Thanks for hanging in there and watching sir. Have a great weekend !!
What a NICE break, WOW. Great video, Thank You
Thank you sir. A family friend bought it new in '59 and put it in his barn. I bought it from him in '84 or '85 when he decided it was no longer needed. Along with it came an old Engle chain driven 20 ga. Pittsburgh lockformer, but I sold it immediately because I already had the more modern Lockformer brand Pittsburgh machine. Thanks for taking the time to watch.
Definitely, you are one of the best sheet metal specialists. Could you post more videos on ductwork fabricatio?
Thank you Adam for the pleasant compliment. I just fabbed another plenum adaption yesterday and today I'll be duplicating this furnace support box. A LOT of time is spent on the plenum transition describing the measurements.
Good job. Thanks for your time 👏🏽
You are quite welcome Reginald. If you enjoy sheet metal, I hope you found the playlist(s) up top. There may be one or two that you'll find at least partially interesting. Thank you sir for watching as well as taking the time to comment.
Pretty dang plenums. Good job
Thanks Alex. There's a hundred variations too !! The job and the equipment dictates how it wants to be made.
Wow Excellent Job Buddy 👍🏽👍🏽👌🏽 Great video 🤦🏽
I'm glad you liked it. It is just one variation to make, but with lighter guage metal, the corner braces really sturdy it up. Thanks for watching and commenting Jason.
Really nice nice work !!
Thanks Eric for watching. I have a lot of videos in playlists up above like this one: czcams.com/play/PLk72G9DTzZ1tqw8ST_xdUlPoy_O-SmuBx.html Quite a few interesting vids towards the bottom of the list.
Good morning mate. You seem to be a great professional. in art with metal. congratulations
Trabalhar com chapas é divertido para mim. Também faço muitos projetos de soldagem. Obrigado por assistir, eu aprecio muito.
@@tractorman4461 I've been doing a lot of welding work lately. some gates and guardrails. I like your videos
@@jceletroeletronica Trabalhar com chapas é divertido para mim. Também faço muitos projetos de soldagem. Obrigado por assistir, eu aprecio muito.
I love that scribing jig thing.
It certainly minimizes measuring on the perimeters for standard notching. Thanks for watching and commenting !!
first class job on that! our heat pump system just went out. waiting on the heating and ac man to come. hope its soon cause its getting cold in here.
Thank you sir for the compliment on the fitting. Hope your tech gets there first thing out of the chute. I hate being cold, having worked outside for basically my entire career. Maybe it'll be something simple, quick and inexpensive to repair....yeah right huh. LOL
@@tractorman4461 I know what you mean I was a tradesman myself. worked outside all my life nearly and now days I like to stay warm and dry in winter. I even did a little duct work for a summer or two. no where near the caliber you put out. its looking like my entire system needs replacing I have another company coming for a second opinion and price.
@@daveknowshow That's an unfortunate turn of events for any time of the year but especially at Christmas. I'm assuming its an old R-22 system and either had a bad compressor or a bad indoor coil to condemn the whole system. Too bad you live so far away or you and I could have done a collaboration video and you'd have saved a ton of money at the same time !! LOL Thanks for commenting Dave.
@@tractorman4461 yup we think its likely the indoor coil waiting on another tech to come test and find the leak. r22 is a great stuff for cooling and heating but expensive. not sure what we will find out still waiting on a second opinion.
Like so many other times in my working life, I question why I've done things,..as in this case, 'why on earth' did I sell my pan brake??
Thanks for running through this, I am NOT a tinsmith, but I do enjoy watching things being built.
Cheers Brother!
Reg Sparkes darn Reg, I missed notification again. I agree with you. Every time I’ve sold or given something away in no time it’s daaaaang... I need that now. Lol. I have made odd parts for antique tractors in the past. Mostly simple stuff. Like air breather pipes using authentic joints of the period. Gas tanks also for those old make and break engines too. They had certain types of hand formed joints and guys like them to be the same if possible. I think it’s fun duplicating that stuff. But it’s just passable... not museum quality. Lol. Thanks fir watching. And I apologize fir missing your comment.
@@tractorman4461 Nawww no apologies are needed between friends, we do miss things every now and then, but like you, we catch up, don't we?
The next poor chap who ask's me if he can an item I rarely ever use again, I'm like to scare the wits out of him, when reply with NO, DON'T TOUCH THAT! Then I'll have
to tell him of our conversation, so he won't think I've finally got stark raving mad! Oh my,... haha.
How's she goin'? Nice job Wendel!!! Planning ahead is certainly a good skill to hone if you do sheet metal work!!! I garnered that info from watching you do you layout!!! LOL Thanks for posting and take care!!
Grampie's Workshop hey Mike !! Thank you fir the comment sir. Sorry I missed the notice on yours and one other. Must not be paying close enough attention huh. Lol. I think you had the “planning ahead” concept down years before me and my video here. Hahahahaha thanks again sir. And Merry Christmas to you and yours !!
Good evening Sir ! I like that ( Information is not ours to keep...its ours to share. And also remember that there are as many ways to perform a function as there are people to do it !! ) and yes in deed your chop is very well crowded LOL What !!! you are wearing shorts is it a summer video ??? LOL You are fingers agile in deed LOL !!! That is a art piece !!! You are a steel Picasso !!! Cheers !!!
I'm glad you like the philisophical side of the personna of Tractorman44. (By the way, don't they say a guy who talks in the third person just ain't right.) Just sayin'...
Dave, I have probably at least 30 videos now made ahead because I just don't have the time to edit them. A LOT of videos are from hot weather and some are even from last spring. So never be mislead about the appearance of Global Warming hovering just over my house just because I put up a video in shorts....LOL. Its just that its too hard to stay on top of all the work plus do the editing and uploading too. Just plain lazy is my only excuse.....
@@tractorman4461 LOL you all forgotten Sir !!! and about talking to the third person,,, do not worried too much about it !!! LOL We all understand that type of behavior in my own head !!! LOL Cheers !!!
@@RCAFpolarexpress hahahha good one Dave, kindred spirits are we not huh.... Have a great weekend sir.
@@tractorman4461 You Too Sir !!! The nice looking weather lady is calling for large amount of pouring rains on saturday !!! Cheers !!!
I've never seen a man so quick on the hammer! Put a woodpecker to shame. I watched this video while eating my lunch Tractorman44! Quite enjoyable and entertaining while dining! Thanks Kindly! I'll bet you can fashion the Tinman and use him as a bird house at the 44Headquarters. Now DaveyJO in outta here to split, cut, sand, rub, oil, clean and drink a nice CuppaJO, which indeed is held high your way! Me best to All! DaveyJO
Yeah buddy, that old hammer will give a fellow a real workout...almost but not quite as good of workout as a spankin' new Cub Cadet monster wood splitter would give an old guy !! My oldest daughter made me a tin man when she was 10 or so years old....Hangs right in the shop and been there for 30 years !! Probably in the back drop on at least one video. LOL. Hope your day was productive in the wood pile !! Sippin' my last little bit of hot black stuff as we speak sir....take care and tell Alice howdy from Western Pennsylvania aka....Missouri !!
Awesome job.
Scrolling through some older videos, I found your comment I missed. Thank you for the compliment, it is appreciated. Cool handle...Must be you enjoy fishing. (-:
Nice job sir👍
Thank you...a nice comment is always appreciated !! Thanks for stopping by and taking a look.
Very nice, thank you.
Thank you for watching and commenting.....anytime ! Have a great day my friend.
Thank You for this
Thanks James for the comment. Hey, I have a lot of sheet metal videos up in the playlists like this one if you are interested: czcams.com/video/IObgZ5gYWIE/video.html
Well done.....almost wish I was a tinsmith....na////I like the electrical trade....the industrial end of it that is but I have to tell you that you make it look so easy....CHEERS
I always liked industrial wiring too. Pretty easy and open.
House wiring is not so nice. Just opened the kitchen counter recepticals so I can upgrade to grounded 20 amp circuit with arc fault and GFCI protection.
Surprise. The old panel was an 8 circuit plug fuse setup installed in 1962. The electrician wired the house before the drywall was up. They daisy chained the kitchen around through the studs and ran one line into a recept box on the right side of the sink. Then they pulled 3 lines off the box to run the dining room, dish washer, garbage disposal, and refrigerator.
The wires go up into th attic and across to feed the pantry.
The job went fronm a days work in the open, to a weekends work in the attic, basement, and kitchen.
@@OldSneelock Housing I can stand but when it`s new and I do it .....when it was in the old days they cut corners and they did it the cheapest way and the appliances were not as plentiful as today so with time everybody added onto it....I have to say that you have a mess and I fell bad for you and all I have to offer at this distance is that I wish you courage like the Algerians at the beginning of every day would wish me, because I think you need it and another thing....watch you don`t go through the ceiling because it does a big mess and more work.....CHEERS
@@gatorsworld Haven't accidentally went through a ceiling yet. Now that you mentioned it this might be the first. 😆
Just more work and an extra 15 bucks to add 3 circuits to the permit. It will clear up a few issues that needed done. I just didn't want to tackle them right now.
Sometimes I wish I was a tinner too...heck Gator, I ain't nothing but a old and wore out HVAC service tech. I haven't had any technical training in sheet metal at all except one semester and there were no machines to use....
@@OldSneelock I'm finishing a total remodel project for my daughter that was from bare studs and siding all the way to the end. New roof, hvac, plumbing, sewer, 200 amp entrance and whole house wiring, insulation, excavation, painting etc. Oh yeah concrete work and a new deck with pergola top too....LOL. Soooo I feel your pain...literally!!
you are the best person dealing with the dangerous steel sheet. GBU they do not make you anymore? Come and see the plenum was made in my basement leaky in all sides placed ugly mud
Sadly, you describe what a LOT of people have in their basement. Hopefully it will get you by until it can be repaired or replaced adequately. Btw...what is GBU ?
James here form Accolade Plumbing and Heating. Thanks a lot for the video. It's always nice to see how a seasoned tradesman works. You have given me ideas on how to improve my duct work so thanks. Could you do a video on how to do a multitude of bends on a break? I do not currently have a box/pan and I have been struggling making some bends.
Hahahahaha...'seasoned'...?? I like that James. You just called me an old fart in a pleasant fashion. LOL. I would love to do that, but it will have to wait until more time is available late fall or winter. I don't know if you checked any of the playlists up top, but there are a couple sheet metal lists that might be interesting as well as this one here for some thoughful bends:czcams.com/video/mlGTsrvJfo0/video.html. I have a couple interesting sheet metal projects coming up in the fall as well. Thank you sir for expressing interest in the metal videos. It is appreciated.
@@tractorman4461 Ma and Pa have always taught me to be polite! Haha Thanks T-man44 I'll check them out an keep checking to see what you've posted.
@@accoladeplumbingandheating6020 I agree with your Ma and Pa, its always good to be an easy going fellow. I wish there would have been you tube and digital cameras before I retired. Unfortunately now I don't do a lot of sheet metal unless its for helping a buddy or older people that are needing help. Of course, there's the family too. LOL. I'm at the tail end of a total house remodel right now. And a shed build as well.
One were Picasso SMH!
He makes this look so easy
If you don't mind, I do believe I will take that as a compliment....and a good one at that !! Thank you sir for taking the time to watch and comment.
That very nice made. Do we have to insulate return air box?
Thank you. Insulation, either fibreglass duct liner of double mylar bubble wrap is required for attic or craw space installation. If, its installed in a normal finished basement or in a closet application, then its not necessary unless you are going for sound suppression. Btw, have you found the sheet metal playlists above, like this one ? czcams.com/play/PLk72G9DTzZ1taVZjyeN9DKr52HQ3hhcXd.html Thank you for stopping by for a visit today.
Hi Tractirman, thanks for sharing the video! Excellent job! I have a question, hoping you could help me to understand. I recently hear a banging sound whenever the furnace turns off at home. After few days looking around a cause, I eventually found the sound coming from the air plenum that is sitting on the top of the furnace. The top metal sheet of the plenum makes poping sound whenever I press it. I had a HVAC guy came in but told me it’s caused by a dirty filter that I changed few days ago. Would you please advise how to fix this problem if you know? It is very annoying and scaring banging sound especially during a night. Your advise is greatly appreciated!
Good Afternoon Shirley Li...thank you for the comment. What you are experiencing is known as 'oil canning'. Think of the duct trying to be blown up like a balloon. It actually is to some extent, because when the blower shuts off the pressure built up inside the duct relieves which in turn allows the metal to flex back into shape.
It is in need of bracing in some sort of manner as to not damage the air conditioning coil that may be INSIDE that sheet metal plenum.
Can you verify whether or not is is a gas or electric furnace? If its a gas furnace, can you verify that the cooling coil for the air conditioner is not inside that particular portion of the duct? If its an electric furnace, chances are the a/c coil is probably encased inside the unit at the bottom and not in jeopardy.
If its a gas furnace and there is no coil inside, the fix is fairly simple....but first we have to know for sure. Because if you damage the cooling coil, you will be in for an expensive repair.
@@tractorman4461 thanks for a quick response! It is a gas furnace. I do not know where is the cooling coil but the AC unit is sitting in the backyard. Would you mind that I want to send you pictures of the furnace and plenum for taking look, thinking might be better to understand? If so, my email address is shirleylill1588gmail.com. If not, I understand.
Thanks again!
I also received your first reply in my email box and just replied you with two attached pictures through the email. Not sure if you can get them. It is a first time I use CZcams for communication. Not sure if I am doing all right. Thanks!
Oops, got the email returned- unable to delivery it to you.
Question for you good sir, do you have a method to adding a cross brake while out in the field? I do residential installs and don’t have access to a brake.
Yes, but it takes a bit of wrist strength. If you are using 28 ga metal on a furnace/coil changeout AND you still have the furnace box onsite, cut two of the largest pieces of the box and lay them on the floor. Lay out your fitting pieces and use a straight edge across corner to corner on top of the cardboard. Put one knee on the straight edge off the edge of the metal and use a stout awl to very forcefully scribe a deep line into the metal repeatedly. About the second pass the metal will begin to raise off of the soft surface of the cardboard and by the 4th pass it should be substantial enough to provide the stiffness of a crossbreak almost as good as one formed on a regular brake. Shift to the other direction and make the second one to form the "X".
If cardboard is not available, the next best thing is a floormat by the stairwell or a piece of carpet, either of which is always available is a person's basement. If you have a piece of armaflex pad on your truck, that works wonderfully as well. I kept a 36''x36'' piece in my truck for that same thing back in the day.
The awl I use for that is a Malco tapered awl about 5'' in length with the typical orange handle. Not the thin one they sell.... the thick, fat tapered one that starts out about 5/16'' up by the handle. On a side note, that fat awl is the perfect one for wallowing out holes in drywall for thermostat anchors.
Thanks for the comment and question!!
Check out a “ Hensler’s Bender” great tool
Lay a step ladder down flat and use 1 side for your angle and gently bend then flip and repeat, perfect crossbreak
Would it be wrong, or out of code to make it out of wood? The filter holder could be cut and attached to the side and the 90 degree return air duct go up from there. It wouldn't be a fire hazard beneath the furnace, would it?
The local codes here do allow a furnace to rest upon a wooden box or support. Its akin to the return air passing through the floor joists unducted. I've changed out dozens of them in the past just as you described. I also wouldn't refer to it as 'wrong' its just on a changeout I would go back with it like the old one came out, unless rotted....and on a totally new install I would make it out of metal in some variation of this one here. Thanks John for the comment sir.
Nice job sir you are a good presenter and excellent craftsmen
I am vocational teacher : sheet metal / welding / fabrication/ pipe fitting / pipe welding
You are clear and easy to understand and very skillful
How would I email you sir would like to pick your brain
All the best to you old timer tin knocker 👍⚒
US military Veteran
Thank you for the extremely supportive comment. With the credentials you've shown, I don't know if I would have much to contribute and I am retired and getting further away from the industry on a daily basis. I usually run pretty behind on making replies because of the normal workload, but if you think I can provide input lets give it a shot. Yep, I'm an old Vet too. USMC 3/71 to 3/75.
whpete44@gmail.com
Thanks nice vid. Homedepot sale some very thin glove you may like.
Hahahahaha...I never got used to wearing gloves unless its extremely cold. Going gloveless is kinda like going barefoot....it toughens up your hide a lot better....besides, the ladies like a guy with tough hands. LOL. They really don't, but what the heck, it sounded good. Thank you for the thoughtful comment. It is appreciated.
Hello My Friend What is That Material?
How Many Gauges?
Where To Buy?
Thank You For Your Teaching.
The material is 26 guage galvanized sheet metal. Just about all HVAC supply houses handle sheet metal by the sheet in about any quantity all across the United States. The standard sizes for residential and light commercial use are 24'',36'' and 48'' in width and a standard 96'' in length. Thank you for the comment and I hope this helped in answering your question.
@@tractorman4461 Thank You So Much.
@@-mejor-que-nostradamus-6152 no problem. Anytime. Be safe !!
You should teach apprentices how make an elbow and fittings. At least the idea of an elbow or fitting
I have a lot of fittings in many of the other videos...try this one for size:czcams.com/video/HmQrqO_X61A/video.html It's actually a return air 90 degree fitting with a filter rack built in. Also have you checked the playlists I have above. There's a couple sets of sheet metal videos listed.
What are the cross breaks for? excuse my ignorance
The cross breaks add stability to the flimsy flat metal. The rigidity added then keeps the air pressure created in the duct by the indoor blower from 'oil canning', flexing in and out, during operation. In the case of the return air box as this one, the blower would be creating 'negative' pressure causing the sides to buckle inwards, whereas on the discharge side of the blower, the pressure would be positive and cause the ducts to flex outwards. Make sense Jonny...? There's never a bad question when you have a desire to learn.
@@tractorman4461 Thank you sir! That does make sense. I'm about to tackle a job like this at my house here soon, just trying to get a little bit of information. Thanks for taking your time to explain it. Have a great day 👍
I was a contractor for 34 years and only once did I see a guy use a foldable rule. And sorry Tractorman but we don't have the machinery that you do. I need a field made plenum. I'll bend up my own by hand.
Dan B. Oh heck yeah. I’ve done a good number of them in the same way back in the day out of necessity. That’s why I spent the last 40 years picking up machinery as it became available. A fellow can’t hardly afford all new equipment at once. As long as it can be purchased reasonably I will continue to add to it. I also bolt a four foot box and pan and a lockformer to the bed of a ten foot trailer for those certain jobs away from home too. Pretty rare now days though. Thanks for the time you took to watch !!
13:45 WHERE DO I BUY AN ELECTRIC HAMMER
There are several manufacturers, but Milwaukee is the best of all for longevity. The new ones are identical to this old one here except they now have a red insulated composite handle. You may have to contact Milwaukee directly and talk to a rep because I can't find it on Amazon right now like I did for another viewer a year or so ago. Other companies also make a very light pneumatic hammer that works very well if you have regulated air in your shop. Much lighter than this one here. Good luck Travis, but maybe you will have better luck finding it on Amazon than I did just now. If not, I'd subscribe to a Milwaukee site and contact them via email for information. Be ready to pay several hundred dollars or more though !!
Ive been a sheet metal apprentice for a year now and it’s difficult
That's cool Joe. Hang in there it gets a lot easier. If I can do the things I can do with no formal training, you will be miles ahead by going through the apprentice program. I'm actually a commercial service technician. Thanks for watching and commenting.
Where's our homemade scribe video??
Hahaha....I just added it to a video a day or two ago about scribes....its in the editing line up. Thanks Alex for the continued interest. LOL.
HVAC life
Yessir, over 40 years in the industry before retirement. Now I get to goof off and help people out who really need it. If you like, here's a few in a playlist to skip through: czcams.com/video/PvDab537ul4/video.html
Electric hammer, seriously I've been in construction since i was 8 and doing HVAC for 5 uears. Never seen or used an electric hammer...
Hot doggies Alex...does that must mean I showed you something new that's really old.... There's nothing like them to make very pretty pittsburgh locks. I always wanted to find the lighter straight pneumatic hammer. I'd hang it over the work bench with the curly air lines so you can reach up and stretch it down and let it go back out of the way. This is a new Duro Dyne:czcams.com/play/PLk72G9DTzZ1tJEjzkfIvq8dY--UWCpl4-.html But I like the old versions better. Here's a knock off electric hammer: www.ebay.com/itm/191917639232?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=191917639232&targetid=1068323859350&device=c&mktype=pla&googleloc=9022818&poi=&campaignid=11612431902&mkgroupid=113527548656&rlsatarget=pla-1068323859350&abcId=9300456&merchantid=6296724&gclid=CjwKCAiA4rGCBhAQEiwAelVti7D7fdnA6eKBm5HQjeoKLGatP3IuR2UDxOTjmbXQ_0k3hEWbjq_7uBoCtAUQAvD_BwE
Don’t have your Pittsburgh break. Video ain’t helpful...
Well then, this video is not for you, but thanks for letting me know. If I ever revert to doing sheet metal by hand, I will tag your name in the title so you can find it easily. But in contrast, there has been quite a few that seem to appreciate the effort in using the machines. Thanks Hans for the comment, whether it was helpful or not. There are plenty of guys showing how to fold with 2 x 4's or angle iron. If you search it like that, you may find much more information that suits your desire.