chunkynumpty

I just came back in from tweaking in garage, please take a minute to look at the latest vid. What do you chaps think of the performance of burner the video? What doesnt show is the colour range. I get yellow, green, blue and purple. This was at 0.5Bar. on the reg clock, long 6mm bore hose. I have to say Im VERY new to this, with a total burner fiddling time of less than 1 hour. So all of your advice is useful and is sound engineering informed know how. 20180321_230557_001_001_001.mp4

I can strip it and add a longet threaded tube, this will give the ability to get the tip into the throat more. It will move the brass cap with the tip in it further into the reducer too - so the choke can then come all the way down. Sounds like a plan, just got to get off the sofa and into my cold garage again!

Nice thanks Ken - I think we almost went together there. I posted about 10 secs before you with an update using the 0.030 (0.8mm tip), please have a look.. Steve

Hi thanks for the feedback. With the 0.6 it was buzzing and had flame throughout the tube. I tried a range of pressures but it did the same all over. Your right about the choke - it runs out of adjust just as its having an effect. I just put a 0.030 on and it lights almost perfect every time. It isnt blue now. The cone is light blue but the surrounding area looked more purple with speckled yellow orange. In the attached vid, I advance the reg pressure to about 1bar and the cone stretches out, just about to detach and blow out, then back to where it starts wanting to self extinguish at the low end. Bit more fiddling need I trust. One thing to try is the original tip but located further into the throat? This may force the mix a little quicker and get it lit at the right end? 20180321_192527_001.mp4

Hi I did a vid last night but its MP4 hope it works. you can see it cant light. I lit it aiming another burner into the air intake throat . will try 0.8mm tip when i can. 20180320_233915.mp4

I did get this lit but had to light it from the air intake end - with a small blowlamp. The burner did run, but there were blue flames inside the main nipple/tube, they were poping and fighting so it is looking like there is not enough flow thru it all. It wants to back up and a small amount gets into the narrow part of the intake reducer. I can strip it and add a longer delivery tube to get the tip closer in. or I can wind the gas tip out on a thread / nut. Any takers on which way to try?

Hi I have been looking at a gas fforge for some months. Done fair bit of reading and you tube watching. Tried (quite hard ) to make a burner. I attempted to use it tonight and Im sad to say it is an epic fail. My burner has 1" 1/2" to 3/4" reducer intake. A 3/4 to 1" reducer Flare. A 0.6mm mig tip, reg varies from 0-2bar. main 3/4" nipple is 200mm similar to a few vids out there. The mig tip is boresight, and is level with the widest portion of of the reducer flare. So not tto far in, or out. It wont light in any gas flow rate / pressure. If I have almost no flow, it will light breifly a blue cloud of flame which self extinquishes with a barely audible puff. Any extra gas flow, gives a more green partial light, but wont light. Didnt expect to fail as I did research what to do and how and thought I would be away to glory. Steve UK