Hi Nelson!
Regarding the blowers, I don't have any experience with the fan driven burners. It is quite likely that someone else on this website could give you a good comparison between the two types. You may also check out Ron Reil's site (http://www.abana.org/ronreil/Hybrid.shtml). As for me, I went with what I had experience with. I am a former horseshoer, and just about everyone who uses a gas forge in the profession uses the venturi type, perhaps because they are more portable (no electricity required)?.
These burners I am using are very quiet (unlike my previous forge). When I first fired it, I had to keep checking to make sure they were still burning. This will take some getting used to. This may be due in part to the amount of insulation I used, but they were surprisingly quite even when I free air fired them when I was tuning them.
Regarding the insulation, there are several forge designs on the web that are made entirely from fire brick and obviously work quite well. The advantage to this type of forge is that they are easily reconfigured since the bricks are dry stacked without mortar to make the forge. This would give you a lot of latitude to build a forge for any size project you were working on.
Regarding burning a hole in a project with the burner, don't worry about it. The burner nozzle is up inside the insulation so the entire inside of the forge is evenly heated. Another advantage to gas over coal is that you don't burn things up as easily as you can with coal.
Good luck with your forge, Nelson. Please post us some pictures of your design.
Rob
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Hi Nelson! Regarding the
Hi Nelson!
Regarding the blowers, I don't have any experience with the fan driven burners. It is quite likely that someone else on this website could give you a good comparison between the two types. You may also check out Ron Reil's site (http://www.abana.org/ronreil/Hybrid.shtml). As for me, I went with what I had experience with. I am a former horseshoer, and just about everyone who uses a gas forge in the profession uses the venturi type, perhaps because they are more portable (no electricity required)?.
These burners I am using are very quiet (unlike my previous forge). When I first fired it, I had to keep checking to make sure they were still burning. This will take some getting used to. This may be due in part to the amount of insulation I used, but they were surprisingly quite even when I free air fired them when I was tuning them.
Regarding the insulation, there are several forge designs on the web that are made entirely from fire brick and obviously work quite well. The advantage to this type of forge is that they are easily reconfigured since the bricks are dry stacked without mortar to make the forge. This would give you a lot of latitude to build a forge for any size project you were working on.
Regarding burning a hole in a project with the burner, don't worry about it. The burner nozzle is up inside the insulation so the entire inside of the forge is evenly heated. Another advantage to gas over coal is that you don't burn things up as easily as you can with coal.
Good luck with your forge, Nelson. Please post us some pictures of your design.
Rob