I made the forge at link below and use a simple propane thrower. The flames are to large and heats all over the forge but not directly to inside the forge
Building A New Forge Burner For An Old Forge Restoration.
VEVOR Propane Knife Forge, Blacksmithing Forge with Dual Burners
Just another newbie: needs your help! - Gas Forges - I Forge Iron
DIY Homemade Flamethrower
HOMEMADE BLACKSMITHING: Building a Forge from Bare Materials
Buy LSMIITTH Propane Gas Forge Burner ,Blacksmith Knife Making Melt Furnace with air choke at Aliexpress for . Find more , and products. Enjoy ✓Free
LSMIITTH Propane Gas Forge Burner ,Blacksmith Knife Making Melt Furnace with air choke
Building A Forced Air Forge. – Tools, Equipment, and Jigs
GASONE Propane Torch for 1 lbs. Propane Tanks with Auto Ignition
MT-3955 12000kcal/h Torch Flame Thrower 1000-1300 Degree Celsius