How to replace a damaged downtube on your bike - Framebuilding 101 with Paul Brodie

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  • เผยแพร่เมื่อ 29 พ.ย. 2024

ความคิดเห็น • 164

  • @Obstacleracemagazine
    @Obstacleracemagazine 4 ปีที่แล้ว +55

    I don't know how these videos aren't getting millions of views. A true master at work. Thank you for sharing.

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว +5

      Mitch and I are just getting going... thanks for watching and helping to spread the word.

    • @MarkMilotay
      @MarkMilotay 3 ปีที่แล้ว

      They are amazing. I have learned so much since I started watching them.

  • @christopherglenister6263
    @christopherglenister6263 4 ปีที่แล้ว +7

    Thanks for taking the trouble to post these brilliant videos, It is great watching the master at work making it look all so easy.

  • @dpforth
    @dpforth ปีที่แล้ว +1

    Fantastic. Where was this channel 20 years ago when I was trying to teach myself this craft!

    • @paulbrodie
      @paulbrodie  ปีที่แล้ว +1

      Thank you. I don't even think that TH-cam was around 20 years ago....

    • @dpforth
      @dpforth ปีที่แล้ว +1

      @@paulbrodie Probably not, but I did have the Talbot book...

  • @skalliwag2766
    @skalliwag2766 3 ปีที่แล้ว +6

    Nice to see other frame builders sharing their methods, I am the same generation as you but in the UK

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +4

      I was born in the UK, partly why I have a funny accent :)

  • @justinweaver68
    @justinweaver68 2 ปีที่แล้ว +2

    You got the best temperament for teaching, better than anything I've seen. Wished there were more people like this spread everywhere. I'd be on my game

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Thank you Justin. Very kind.

  • @marcocabral4838
    @marcocabral4838 2 ปีที่แล้ว

    Who needs tv when you got this! It’s amazing the amount of talent that there is in a frame repair.

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Marco, thanks for watching and commenting.

  • @dgillies5420
    @dgillies5420 4 ปีที่แล้ว +3

    Just had Omar Khiel do a downtube replacement for me a few months ago; thank you for showing me (partially) what he did! I would love to see it again with lugs & grinding out the tubes !!

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว +1

      Grinding out lugs sounds like a lot of work!

  • @blairrighton6270
    @blairrighton6270 ปีที่แล้ว +1

    funny how the universe works... I had an exact replacement performed on my HT near the end of 2020 by a local frame builder here in Rotorua NZ. Jeff of Jeffson Cycles did an amazing job and it was interesting how Paul demonstrated the work involved here in this vid, and it is a beautiful job to watch and the finish brought a tear to my eyes, you are a masterful craftsman.

    • @paulbrodie
      @paulbrodie  ปีที่แล้ว

      Thank you very much. I do like to do the best job I can. That's what gives me a lot of satisfaction!

  • @1114flibby
    @1114flibby 3 ปีที่แล้ว +5

    I can't believe I am just finding your you tube channel now, I watched the entire build of your excelsior board track racer years back and was just in awe the entire time!!

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      That's cool :)

    • @paulgriffin5572
      @paulgriffin5572 3 ปีที่แล้ว +1

      @@paulbrodie where can this be found please?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      @@paulgriffin5572 Where can an Excelsior be found?

    • @paulgriffin5572
      @paulgriffin5572 3 ปีที่แล้ว

      @@paulbrodie the story of the rebuild?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      @@paulgriffin5572 On my website: www.flashbackfab.com

  • @systemBuilder
    @systemBuilder 9 หลายเดือนก่อน

    Wow Paul your brazing and finishing is a work of art! I wish we could have the bronze fillets show through the finish to advertise your mastery!

  • @christopherkirschmann1335
    @christopherkirschmann1335 4 ปีที่แล้ว +8

    I learn so much from this. Thanks a lot
    Keep em coming
    Greetings from Germany

  • @gyllenlock
    @gyllenlock 3 ปีที่แล้ว +1

    I had an old road frame with a badly misaligned rear triangle I was about to scrap but then I stumbled over your alignment video and decided to give it a try and the result was amazing, the frame got perfectly straight and I can ride with no hands on the bars again.
    Since then I have watched many of your bike videos and learnt a lot about of how a bike frame is repaired. They are so good and enjoyable to watch! Very informative, the pace is excellent as well as the camerawork. Many thanks!

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Anders, that's very cool you aligned you frame and can now ride no hands! Thanks for watching and commenting.

  • @davidlenneberg4303
    @davidlenneberg4303 4 ปีที่แล้ว +6

    I’ve never seen anyone use nickel silver first but it looks like a great way to go about it👍😊

  • @bigbird2451
    @bigbird2451 2 ปีที่แล้ว +1

    New belt day is always sweet.

  • @bigbadstretch13yrago
    @bigbadstretch13yrago 3 ปีที่แล้ว +6

    Such great videos. Thank you for sharing this. So addictive to watch your work Paul. Can’t forget Mitch, with his great camera work too. Oh, and the peacocks too😊

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      Thank you Darksoda 13.

  • @teunluijbregts2533
    @teunluijbregts2533 4 ปีที่แล้ว +3

    Nice work, sir! I had the top tube replaced on my road bike just recently, only one tube but it takes more thinking to do it right than building a whole new frameset.
    It’s almost annoying how you make it look so easy - kudos👍👍

  • @amc_sounds
    @amc_sounds 4 ปีที่แล้ว +2

    Superb work again Paul. I still can't get over the fact that you can apply a lot of force to correct and bend a tube, but you can ruin one in an instant with a bar swing ding. Something so thin that has tremendous torsional strength.

  • @kathrynnurse5018
    @kathrynnurse5018 4 ปีที่แล้ว +3

    Thank you Paul and Mitch

  • @ronhuffman7973
    @ronhuffman7973 3 ปีที่แล้ว +5

    Wow! The skills you have must have taken decades to perfect, thank you for sharing!

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Thanks for watching. 54 years with metal :)

  • @Alex-mt6fe
    @Alex-mt6fe 10 หลายเดือนก่อน

    Nice to watch a Grand Master using his skills.

  • @zakaroonetwork777
    @zakaroonetwork777 10 หลายเดือนก่อน +1

    Awe Shucks; I just Trew out my Collection of Vintage Garry Fisher chronology frames. They when to the scrap yard because I don’t have a shop. I got tired of day dreaming I was ever going to do anything with them. I’m seeing this one day to late.

    • @paulbrodie
      @paulbrodie  10 หลายเดือนก่อน

      Well, that's a shame. I'm sorry to hear they got recycled..

  • @rubenjujuy2824
    @rubenjujuy2824 3 ปีที่แล้ว +1

    Excelente Trabajo Maestro Un Gran saludo desde Jujuy Argentina.

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      Hello Argentina!

  • @systemBuilder
    @systemBuilder 9 หลายเดือนก่อน +1

    What is all the black powder that fell out when you disconnected the headtube? Where does it come from?

    • @paulbrodie
      @paulbrodie  9 หลายเดือนก่อน +1

      My best guess is some form of rust... Thanks for watching!

  • @sutusmihaly
    @sutusmihaly 2 ปีที่แล้ว +1

    ..awesome craftmanship..a plesure to watch..

  • @fastbike9845
    @fastbike9845 2 ปีที่แล้ว

    Thanks for taking the time to film and edit your work Paul (& Mitch). You are a great craftsman and an awesome teacher - showing the how as well as the why.
    P.S. the TIG tack, nickel along the capillary joint, followed by a brass fillet is ingenious.

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Thank you David. It's actually a bronze fillet; I don't use brass because it is so much weaker than bronze.

  • @sprocketandwheel
    @sprocketandwheel 4 ปีที่แล้ว +3

    Paul...I have been watching your videos over the last day or so.. I want to thank you for posting them... I like the way you made your installation tool for the Campy BB guides and other simple fixtures.. I have always found the original ones difficult to use...
    I have built a few frames over the last 40 years ( mostly for personal use) and have replaced a few dozen rear dropouts, added brake bosses and tube replacements.. Please tell me what brazing rod that you are using when you are referring to nickle silver.. I enjoy the segments where you braze.. if you can, please put on a tutorial on brazing technique and the supplies you use.. Thank You.. Z

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว

      The Nickel Silver rod also goes by 773. The diameter is 1/16", bare rod. A good welding supply shop will know what you want. All along I have been explaining my brazing techniques; I have talked about the size of the cone, angle of the cone, distance of the cone, sanding silver solder, preheating, paste flux, gas fluxer, oxidizing flame, neutral flame, carburizing flame, backwards brazing, fillet brazing, soaking off flux, heat sinks, fillet thicknesses, heat stains, and more. If you go back and check our videos that have brazing, all that information is in there. Having a mentor to help you learn can be very beneficial. I can offer information in these videos, but you are not getting any feedback... Good Luck!

    • @sprocketandwheel
      @sprocketandwheel 4 ปีที่แล้ว

      @@paulbrodie Thank You... Z

  • @physicsguybrian
    @physicsguybrian 10 หลายเดือนก่อน

    Hi Paul. I hope all is well! Your work is outstanding and a pure joy to observe!!! Naive inquiry to expand my knowledge. The brazing process requires a lot of heat for an extended period of time. Does this not change the strength of the metal in the immediate region and would TIG welding eliminate that? Thank you!

  • @MotoDeSoto
    @MotoDeSoto 2 ปีที่แล้ว +1

    Good video Paul. Did I hear correctly that you did the first pass with nickel-silver, and then finished the fillet with bronze? Thanks.

  • @teryk
    @teryk 3 ปีที่แล้ว +1

    Thanks for making these videos. Love the bottle boss fixture.

  • @Sekhmet6697
    @Sekhmet6697 2 ปีที่แล้ว +1

    It’s funny how Paul is always surprised by his own precision: “oh look at that!” - he gets everything just perfect the first try 😁

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว +1

      Thanks Diego. Mitch has a habit of making me look good.

  • @rorybaker2116
    @rorybaker2116 4 ปีที่แล้ว +3

    These are amazing!

  • @sengtry3244
    @sengtry3244 10 หลายเดือนก่อน +1

    Another excellent content. I'd also like to ask for your advice because my steel frame has two noticeable wrinkles as such 0:21 ( but a bit worst) on both down and seat tube very near the head tube lugs due to heavily hitting something presumably ( the seller was not honest about this issue). There are no frame builders in my country to replace the tubes, so my question is, is it safe to ride it or can it be fixed with replacing the tube? Or should I get the frame welded with steel blade welded to seat tube, top tube and head tube like Cinelli laser/Rossin pursuit head tube, so it will add more strength? Your advice would mean a world to me. My apology for troubling you. Thank you.

    • @paulbrodie
      @paulbrodie  10 หลายเดือนก่อน +1

      The bike might be safe to ride, or it might not, basically impossible for me to say from this far away... I don't like the idea of welding on those extra pieces you discussed. If you are going to ride it, check it every day for cracks. The cracks will develop slowly, the chances of it "breaking quickly" are remote. Steel will also give you a warning by creaking or making other sounds. So, be careful, and check for new cracks very often. Thanks for watching....

    • @sengtry3244
      @sengtry3244 10 หลายเดือนก่อน +1

      Thank you so much Mr. @@paulbrodie. I'm too too, ocean apart, to send my frame to inspect or repair. Best wishes.

  • @836dmar
    @836dmar 3 ปีที่แล้ว +2

    Awesome stuff, Paul. Thank you!

  • @ttizm
    @ttizm 2 ปีที่แล้ว +1

    hi, Paul& thanks for your channel. May i ask - what frame jig is in this video? thanks

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Thanks for watching. I made all my own frame jigs and fixtures.

  • @fulljackrackoboe
    @fulljackrackoboe 3 ปีที่แล้ว +2

    I wish I knew how to do this! That's a very fine work.

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +2

      Practice, practice and more practice. I have been making things out of metal for 54 years now. Thanks for watching!

    • @fulljackrackoboe
      @fulljackrackoboe 3 ปีที่แล้ว +1

      @@paulbrodie Yeah, I can tell that. So I reckon I should jump off the cliff and see what's going on. Pleasure.

  • @tomiylkanen7843
    @tomiylkanen7843 3 ปีที่แล้ว +2

    What is the benefit of brazing over tig-welding?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      It's just a different technique. They are both strong if done correctly. A fillet braze can be more artistic because the lines should flow better.

  • @tomnorton8218
    @tomnorton8218 ปีที่แล้ว +1

    Paul,I have built 2 lugged frames and forks. Now I would like to attempt a TT replacement on a lugged frame. Wondering about the procedure for preparing the ID of the lugs prior to fit up and brazing?

    • @paulbrodie
      @paulbrodie  ปีที่แล้ว

      Tom, I have not done a lot of work with lugged frames, but I do have a little understanding of what is involved. A cheap, heavy lugged frame is probably easier than a finely made frame with super thin lugs. First step is to cut a section out of the top tube. It would seem obvious to heat the lug and top tube and pull out the top tube. That is the danger. It's very hard to get everything hot enough for a clean separation. Very easy to rip the lug and hurt the frame. Best to cut the top tube very short and carefully grind out the top tube remnants. Very time consuming! Good luck.

  • @heyimamaker
    @heyimamaker 3 ปีที่แล้ว +3

    I don't know why I never asked before, but where do you like to buy your tubing from? Is there a good Canadian supplier?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      In Framebuilding 101 we purchased from Nova Cycles in CA.

  • @coupe76
    @coupe76 ปีที่แล้ว +1

    Hi what’s the story with the picture of the downhill cyclist in your shop ? I’ve seen it before a long time ago I think

    • @paulbrodie
      @paulbrodie  ปีที่แล้ว +1

      Paul, that's John Tomac, one of the best racers ever!

  • @erictaunton2183
    @erictaunton2183 2 ปีที่แล้ว +1

    What type of torch do you recommend Paul i am making small motorcycles thanks very much

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว +1

      We have two brazing videos, and the torch, rods, and fluxes are all discussed. You get brands and part numbers... Thanks for watching our videos.

  • @Bikeops2021
    @Bikeops2021 3 ปีที่แล้ว +2

    Amazing skills... 👍

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      Thank you Graham.

  • @mitsosgeo845
    @mitsosgeo845 2 ปีที่แล้ว +1

    I like brassing i want to try .i cut beams and flats all day oxy propane.i love bicycles. hello from Greece.

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Hello Greece! I like brazing too. Thanks for liking our videos 😉

  • @skyjuiceification
    @skyjuiceification 2 ปีที่แล้ว +1

    The man!

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Thanks for liking our videos 😉

  • @MegaXtc11
    @MegaXtc11 2 ปีที่แล้ว +1

    Hi Paul, nice work. I got my hands on a 2010 Fixie Inc Race Chip 953 frameset but a mechanic busted the headtube when installing the top headset cup, a local framebuilder said the headtube can be replaced, the replacement tube will be a Tange Prestige, can you mix 'standard' chromoly into stainless steel (Reynolds 953) without issues?

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      Thanks. I think it's possible, but it would have to be silver soldered, and you had better choose a well-regarded framebuilder, not a novice.You should never go back the that mechanic, and he should pay for your cost of repair.

  • @sharakafernando
    @sharakafernando 6 หลายเดือนก่อน +1

    Gread sir

    • @paulbrodie
      @paulbrodie  6 หลายเดือนก่อน

      Thank you.

  • @snakeshiet
    @snakeshiet 3 ปีที่แล้ว +2

    i recently found this channel and love it, you are amazing to watch, such great content, can i ask how much that repair would cost ?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      Let's say $400 :)

    • @snakeshiet
      @snakeshiet 3 ปีที่แล้ว +1

      @@paulbrodie thanks for the estimate

  • @h-j.k.8971
    @h-j.k.8971 3 ปีที่แล้ว +1

    Fun to watch.

  • @petepure3387
    @petepure3387 4 ปีที่แล้ว +1

    Thanks Paul. Great video! :)

  •  4 ปีที่แล้ว

    Làm tốt lắm, sếp! Tôi vừa mới thay ống đầu trên chiếc xe đạp đường trường của mình, chỉ có một ống nhưng phải suy nghĩ nhiều hơn để làm đúng hơn là xây dựng một bộ khung hoàn toàn mới. Thật khó chịu khi bạn làm cho nó trông thật dễ dàng - kudos

  • @MasDito
    @MasDito 3 ปีที่แล้ว +2

    im still learning, thanks for sharing
    how about make cable line for hidraulic discbrake cable? i mean outer cable not inner

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Not quite sure what you are asking. Hydraulic cable isn't metal, and is readily available...

    • @MasDito
      @MasDito 3 ปีที่แล้ว

      @@paulbrodie i mean, CABLE LINE in steel frame, for disc brake especially discbrake with hidraulic cable... sorry cz i can't give example for the picture here

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      @@MasDito Yes it is all possible, but why? To show your friends?

    • @MasDito
      @MasDito 3 ปีที่แล้ว

      @@paulbrodie of course, i will share ur video to them... and became new subs :D

  • @tayorsnr81
    @tayorsnr81 3 ปีที่แล้ว +1

    Thanks for video. Is that an aluminum frame?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      No, the frame is steel. Thanks for watching.

    • @elmadaniboudar755
      @elmadaniboudar755 3 ปีที่แล้ว +1

      what size is the tube, diameter and thickness... , thanks

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      @@elmadaniboudar755 I'm guessing here, but probably the OD is 1.25" and the wall thickness is 0.9 / 0.6 / 0.9mm.

  • @elmadaniboudar755
    @elmadaniboudar755 3 ปีที่แล้ว +1

    what size is the tube, diameter and thickness, thanks

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Head tube or downtube?

  • @leslieaustin151
    @leslieaustin151 3 ปีที่แล้ว +1

    Craftsmanship. Thank you. Les in UK

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Thanks for watching!

  • @rsemrad2
    @rsemrad2 3 ปีที่แล้ว +1

    At 3:10 the head tube was released. There was a significant amount of ???? that fell to the floor when it came apart. What was it?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +2

      It was a bunch of "black stuff". Not really sure what it was. If it was rust, it would have been brown. Can't really give you a satisfactory answer, sorry.

  • @dgillies5420
    @dgillies5420 4 ปีที่แล้ว

    That is the weirdest cable guide from the rear of the top tube to the centerpull straddle bridge. Was there a shortage of brake cables and cable-stops when this frame was originally made lol ???

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +3

      No, that is the signature part of a frame, where the framebuilder gets to show his or her's artistry. I think cables and cable stops are ugly and boring. Anyone can do that. It takes very little skill. We're Canadian, eh?

    • @dgillies5420
      @dgillies5420 3 ปีที่แล้ว

      @@paulbrodie Thank you for all that you do! I never got to take a shop class and these videos just satisfy some sort of creative urge with bicycles that I never got out of my system ...

  • @jimgourgoutis
    @jimgourgoutis 4 ปีที่แล้ว

    Hi Paul, are you using a stainless wire brush to remove the brass? Or does a normal wire brush work OK? Thanks for this great video!

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว +1

      Just found your comment Jim. Sorry to take so long.. I was using a stainless brush but a regular wire brush will work just as well.

    • @jimgourgoutis
      @jimgourgoutis 4 ปีที่แล้ว

      @@paulbrodie Thanks Paul!!!

  • @davestambaugh7282
    @davestambaugh7282 ปีที่แล้ว +1

    Should read how to replace damaged down tube on your bike that has fillet brazed joints. Probably less than one percent of of the frames that are made today are fillet brazed.

    • @paulbrodie
      @paulbrodie  ปีที่แล้ว +1

      Well, if you want to be picky, that is your choice.

    • @davestambaugh7282
      @davestambaugh7282 ปีที่แล้ว +1

      @@paulbrodie I still found the video interesting after watching it.

    • @paulbrodie
      @paulbrodie  ปีที่แล้ว

      @@davestambaugh7282 Very good. Thank you.

  • @jimgourgoutis
    @jimgourgoutis 4 ปีที่แล้ว +3

    "Braze-on Holder". :D

  • @brianoreilly239
    @brianoreilly239 3 ปีที่แล้ว +2

    Great video Paul, are you a cyclist yourself?

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Brian, yes I can still ride a bicycle and I do get out there. Thanks for watching!

  • @jeromebishsr.1394
    @jeromebishsr.1394 3 ปีที่แล้ว +1

    What do you mean soaking out the flux

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Jerome, I probably said "soak off" the flux. Flux is water soluble, and after heating with a torch, it can get quite hard to remove. You can bead blast it, but you might not have a bead blaster, and it does take time. Everyone usually has access to a hot water tap. If you hold the tube / braze / flux under hot water, it comes off in a few minutes. Now, if you have "burnt" the flux (from overheating..) and it has gone black, for that you will need a bead blaster...

  • @dennisyoung4631
    @dennisyoung4631 3 ปีที่แล้ว +2

    When making the tooling shown in these videos, what kinds of steel (e.g. 1117) or aluminum (e.g. 6061 t6) are used?
    Note: 1117 is a resulfurized version of 1018, the usual flavor of cold-rolled. It machines easier, with a good/better finish compared to 1018. It does *Not* like to weld. Brazing *might* be a different story.

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      Yes, I use 6061 aluminum and 1018 steel, which is cold rolled. Have not heard of 1117 until now. For easy machining we have cold rolled with lead. It machines beautifully but is not so great for welding. 303 Stainless has sulphur in it that makes it easier to machine, but is still strong.

    • @dennisyoung4631
      @dennisyoung4631 3 ปีที่แล้ว +1

      @@paulbrodie 1117 is kind of between 1018 and 1215 as far as machining. It’s not nearly as inclined to rust as 1215, though.
      1117 case-hardens nicely. This helps with abrasive wear.

  • @thinkpadBentnoseTheBlind
    @thinkpadBentnoseTheBlind 2 ปีที่แล้ว +1

    Why do we never see the infamous Mitch?

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว +1

      Mitch was in our very last video, "We're Back!" I guess you haven't watched that one...

    • @thinkpadBentnoseTheBlind
      @thinkpadBentnoseTheBlind 2 ปีที่แล้ว

      @@paulbrodie I'm getting old. I may have seen it and forgot. chers

    • @thinkpadBentnoseTheBlind
      @thinkpadBentnoseTheBlind 2 ปีที่แล้ว +1

      @@paulbrodie I will take a look see now.

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      @@thinkpadBentnoseTheBlind It's the only video we put out in the last 158+ days. I have a beard. Kind of hard to miss this one...

  • @nizarlutfi5981
    @nizarlutfi5981 4 ปีที่แล้ว

    Man.. idk why, but watching your vid kinda remain me when my granpha and i had a procject car in 7th grade. In exchange he made me do all the homework so i can continue building the car every weekends in his garage.

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว

      Sounds like you had a great grandpa!

  • @kokadedru5157
    @kokadedru5157 4 ปีที่แล้ว

    i always wonder if you have to sand the tig spots again before brazing over them? thanks

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว +1

      I think it depends what kind of a Tig welder you are. If you can do a very small, clean Tig weld, then no problem. If you overheat and the weld goes black then the braze will not flow over that... then you will need to sand!

    • @kokadedru5157
      @kokadedru5157 4 ปีที่แล้ว

      @@paulbrodie thats what i exspected. thanks. i was considering to tack with tig myself some time ago but stayed with braze tacks. would you see any clear upside in welded tacks? i just stumbled over you account and i enjoy watching it even tho i did most of the stuff myself and have my own routines. nice work

    • @paulbrodie
      @paulbrodie  4 ปีที่แล้ว +1

      @@kokadedru5157 Yes I have stumbled onto videos too. On the front triangle, Tig-tacking is faster, but braze tacks are also fine. On the rear triangle, that's where Tig-tacking starts to shine. Because the heat of the arc occurs so fast, the weld is very quick and spread of the heat zone almost non existent. So, no pulling and pushing on the jig first on one side, then on the other as the first side is cooling. A Tig-tacked frame should come off the jig straighter than a braze tacked frame. That's what I think.

  • @birddog0
    @birddog0 8 หลายเดือนก่อน

    Well so much for fixing my bulged downtube. Cool video though

  • @dwightbrown2808
    @dwightbrown2808 2 ปีที่แล้ว

    Are there still frame makers that build lugged frames like in the old days? I remember how proud I was to have a frame with Reynolds 531 double butted tubing. I thought I had reached Nirvana :-)

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว +1

      Yes, I believe there are still a few builders who like to work with traditional lugs.

    • @dwightbrown2808
      @dwightbrown2808 2 ปีที่แล้ว

      @@paulbrodie
      Thanks so much for taking the time to answer. I really enjoy your videos.

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      @@dwightbrown2808 Thanks for watching :)

  • @chipper442
    @chipper442 2 ปีที่แล้ว +1

    You should always wear some sort of gloves when welding…….love your work and delivery. You’d make a great shop teacher.

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      I have started wearing gloves for the videos. I was a shop teacher for 9.5 years. I taught Framebuilding 101 at the University of the Fraser Valley. Thanks for commenting.

  • @minnionator
    @minnionator 3 ปีที่แล้ว +1

    I spy with my little eye, a TRS and Gasgas!

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      I have absolutely no idea what you are talking about. Thanks for watching!

    • @dennisyoung4631
      @dennisyoung4631 3 ปีที่แล้ว

      He might be speaking of a trials bike.

  • @Clarence_13x
    @Clarence_13x หลายเดือนก่อน

    Controlled flight into terrain

  • @xpndblhero5170
    @xpndblhero5170 3 ปีที่แล้ว

    This looks like a terrifying process but if you've done it a bunch of times it's easier to do.... My luck I'd be melting the braze and I'd fling a chunk of weld into my boot or something. 😂😂
    Edit: I feel like a hole saw is a more difficult way to cut the miter and we should have a drum sander that can be adjusted to different diameters for matching tube sizes.

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว +1

      You do have to be careful and aware of where the molten bronze is going to go. Good gloves, good boots, fire extinguisher..

    • @xpndblhero5170
      @xpndblhero5170 3 ปีที่แล้ว

      @@paulbrodie - You'd probably have to spray me w/ the fire extinguisher before I started welding or brazing.... 😂

  • @Pythonassum
    @Pythonassum 4 ปีที่แล้ว

    that's a nice hta

  • @irvsstella
    @irvsstella 2 ปีที่แล้ว +1

    A true master at work.
    This is why I don't buy carbon frames!

    • @paulbrodie
      @paulbrodie  2 ปีที่แล้ว

      I like steel too.

  • @PeakyBlinder
    @PeakyBlinder 3 ปีที่แล้ว

    Are you related to Griff Rhys Jones

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      I do not know that person sorry.

  • @Vinlaell
    @Vinlaell 3 ปีที่แล้ว +1

    I couldnt see anything even wrong, i guess if i rode id care about the wrinkle

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      The wrinkle in the tube means that it has been overstressed, and is now weaker than stock.

  • @SuperAWaC
    @SuperAWaC 2 ปีที่แล้ว +1

    it's almost as if you've done this before

  • @stevenconnor4221
    @stevenconnor4221 3 ปีที่แล้ว

    Heat travels to the largest mass pluss you left that chuck key in the head .. back to read your safety notes, and no talkback as compacency will kill you eventually on these machines 😂

    • @paulbrodie
      @paulbrodie  3 ปีที่แล้ว

      "complacency"

    • @stevenconnor4221
      @stevenconnor4221 3 ปีที่แล้ว

      @@paulbrodie 😁 engineers are not realy known for thier spelling lol

  • @BIBIWCICC
    @BIBIWCICC 3 ปีที่แล้ว +1

    Had to stop watching due to the numerous adverts. Shame!

  • @eduardosampoia5480
    @eduardosampoia5480 3 ปีที่แล้ว

    I would have straightened that thing without removing or replacing anything. What a waste.

    • @tomwagemans1872
      @tomwagemans1872 3 ปีที่แล้ว

      I would happily watch a video off you doing just that. Always happy to learn new things.