Same issue with motorcycle helmets in cold weather. I have tried shampoo, shaving cream and a raw cut potato. They don't help much.
While welding, what helped me the most was exhaling with my upper lip protruding over my lower lip which directs the moist air downwards. Not as hard as it sounds, some practice is all it takes. Inhale deeply through your nose and exhale through your mouth.
There is still some fog build up and I am going to mount a small fan at the top of the welding helmet and have it blow downwards. Am planning to mount 4 rechargeable NiMh AAs to drive the 5V fan. I am attaching a photo of a 5V fan I have, it is about 2 ins square.
While welding, what helped me the most was exhaling with my upper lip protruding over my lower lip which directs the moist air downwards. Not as hard as it sounds, some practice is all it takes. Inhale deeply through your nose and exhale through your mouth.
There is still some fog build up and I am going to mount a small fan at the top of the welding helmet and have it blow downwards. Am planning to mount 4 rechargeable NiMh AAs to drive the 5V fan. I am attaching a photo of a 5V fan I have, it is about 2 ins square.
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