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It is more about construction than time of connection of the tubes, bmx need reinforcement in a head tube to down tube and top tube connection. But yes brazing is stronger than tig welded frame. Tig is just cheaper in production.

Yes it is wilding table, it is flat enough to have an idea what to do with the frame to align after soldering. I find out that using simple tools that Paul Brodie show in his videos can be more precise to check the frame than alignment table)

Привет, спасибо. В принципе хватит и ножовки по металлу и напильников, свою первую раму я так и строил и особой разницы не было, только по времени дольше. Основное и главное это оснастка а газ в данном видео ацетилен+кислород но можно и пропан с кислородом.

It is steel so you need vent holes at every joint to avoid rust. The second thing it is internal routing and cables pass through inside the bb.

@SashaXPLRFrameworks Thanks for reply. Suppose i do not want internal routing of cables then also holes needed? and can you supply frame to India?

It really depends on conditions you are using the bike itself, but if it is any water can come inside of the frame it all will stay in the lowest point and it is BB. So it is much better to apply frame saver solution inside the tubes and make vent holes even if you don't need internal routing. And yes I can build a frame and sand any place in the world.

Thank. I guess 1020 is to soft, you couldn't do any lightweight and strong frame from it. in comparison 1020 Tensile Strength 450 MPa and Columbus Omnicrom (that this frame is made of) Tensile Strength 1300MPa

Next step it to build stainless one but the tubes are hell of expensive.

Wow! Es ist beeindruckend.

Yes, just some final cold set before painting, and it still was not enough weight to pull it)

I don't actually know where this ones come from but it is a regular vice v-blocks and it is very helpful when you need to file something or clean after soldering. for smaller diameters like chain stays or seat stays they are absolutely safe but with something like Columbus life 38 down tube you should be careful and it is much safer to use tube blocks from paragon. I have seen some of that v-blocks on amazon made by graham tools but I think it is easier to 3d print them. I found bikefabsupply have pretty cool ones for 60$

Thanks, it is MESSER minitherm, it is pricy but this torch is comfortable to work with.

Acetylen or propane? Are you using a #0 nozzle? Congrats for your frame 😎

It is acetylene in this video and I'm using different size of nozzle for different things, #1 for bosses, №3 for soldering main tubes, it really depends on thickness of the tubes you are using. I can do whole frame with №1 if I use silver instead of brass.