[TheForge] Auto darkening ?

[Dave Mudge]

Paul, you DID say helmet in line 11..................  :-)
dave m

On Fri, Jun 3, 2011 at 2:52 PM, Paul N <crosspein at sbcglobal.net> wrote:
> My opinions and experiences (And I'm not a pro welder. Took some
> Community College classes, probably weld with electricity about 2-3
> times/month at most)
>
> The major differences are reaction speed and position of the sensors.
>
> The best ones are much faster, and have more sensors.
>
> Reaction peed should be obvious. You get more of a flash before the lens
> darkens, and you're blinded for a spit second. (I've been told there
> isn't UV danger, only the discomfort of the brightness)
>
> As for the sensors, consider this example:
> If you only have a sensor at the top of the visor, and your hand is in
> the way, the helmet may not react.
>
> I don't think the real cheapo's have a battery. They are entirely
> "solar" operated. That slows reaction further.
>
> Other features you're going to want:
> Replaceable head web and sweat band.
> Replaceable outer shield glass
> Replaceable batteries
> A nicety for many of us is a slide in adapter for a diopter lens.
> Otherwise you can duck tape one inside the lens (I almost said "helmet")
>
> I used a HF mask in a pinch not too long ago. It didn't provide as much
> coverage around the neck/chin area, and the reflected light off my neck
> into the shield reduced my visibility through the lens.
>
> There's my nickel's worth.
> **Paul
>
>
> On 6/3/11 2:10 PM, Ron Childers wrote:
>> The important thing to me is: will the guts of the auto darkening
>> feature perform as well as the more expensive Hobart, etc? I used an
>> el-cheapo HF last week and it seemed to work fine,,
>>
>>
>> -----Original Message-----
>> From: theforge-bounces at mailman.qth.net
>> [mailto:theforge-bounces at mailman.qth.net] On Behalf Of peter fels
>> Sent: Friday, June 03, 2011 1:43 PM
>> To: Blacksmithing List Sponsored by ABANA
>> Subject: Re: [TheForge] Auto darkening helmet
>>
>> When we get down to citing harbor Fright as an authority...
>> it's time to quit!
>>
>>
>> On Jun 3, 2011, at 6:27 AM, woolley wrote:
>>
>>> On 6/3/2011 8:56 AM, Saint Phlip wrote:
>>>> hel*met  (hlmt)
>>>>
>>>>
>> http://www.harborfreight.com/auto-darkening-welding-helmet-with-racing-s
>> tripe-design-67854.html
>>>>
>>>>
>>>> http://www.northerntool.com/shop/tools/product_200305009_200305009
>>>>
>>>> Hmmm. All of these look like they fit definition 1d:
>>>>
>>>> d. A head covering, such as a balaclava, that is shaped like a
>> helmet.
>>>
>>
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