Venturi Burner Set Up Question

M

MKarish

Joined
Jun 18, 2016
Messages
34
I'm in the process of upgrading my forge and am hoping you guys can provide a little guidance on where in relation to the air inlet and mixing tube the gas orifice should be. I've read a little and watched a few videos on burner tuning, but I'm not sure about how to go about picking a starting point to work from. In the picture below should I move the orifice up, or down, or just leave it wherever and adjust with the choke plate? (I'm having trouble sizing it for some reason for I'm going to link my photo bucket account which incidentally will have some pictures of knives I've made as an enticement to actually look!)

Burner is based of the designs from the Zoeller forge site (mini sidearm).

http://i36.photobucket.com/albums/e17/mkarish/Knives/IMG_0543_zpsz1cequrm.jpg

Thanks-Max
 
Can you elaborate a little bit on "smoothest" sound?
For example I have noticed that when clearly running a poor tune such as to much air for the amount of gas pressure it gets noticeable pulsation. Or that I can also change the tone by controlling air intake. For instance as the ammount of air its drawing increases you can hear the increase in airspeed in the flame.
Am I correct in assuming I should do something like set the pressure to say 10 psi, adjust orifice location by sight and sound (stability of flame primary, then most intense flame as secondary, or balance both?)
 
I hope Stacy chimes in here, he can probably explain better. Eye and Ear are very closely related, and by ear is probably the most noticeable. All I can suggest is to try it and you'll hear what I mean. I never had much luck trying to get a sidearm burner to work right, which is why I designed my own. No tuning necessary, near perfectly neutral, and super simple to build with only 3 parts.
 
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