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Ongoing problems with helmet visor fogging #4522274
09/21/17 01:14 PM
09/21/17 01:14 PM
Joined: Apr 2010
Posts: 13,537
Chicago, IL
dparm Offline OP
dparm  Offline OP
Joined: Apr 2010
Posts: 13,537
Chicago, IL
My Arai GP-5W has been a wonderful helmet so far, with one huge exception: the visor fogs like there's no tomorrow.

My race supply shop and Arai USA both suggested I just leave the visor cracked slightly. This does resolve the fogging problem but creates two other problems: light gets in and my eyes don't adjust properly, but more importantly, the visor doesn't have a "lock" and I am worried about it flipping up in an accident/if debris strikes it.

I recently installed a universal anti-fog insert, sometimes called a pinlock. This also works pretty well, but the biggest problem is the weird glare and reflections I get. Depending on the angle of the sun, I sometimes see my own eyes and nose reflected back right in the middle of the visor. Arai sells an exact-fit anti-fog/dual-pane visor rather than this generic insert I have, and they did also tell me this would solve fogging problems, but I'm unsure if it will suffer from the same glare problems.


The GP-5W is named as such because it has a larger eyeport (90mm versus the traditional 60mm), and I'm wondering if that's the root cause of the problem: the visor opening is so tall that my breath exits my nose right onto the visor.

Arai does not sell a breath deflector for their auto helmets, but I might try their motorcycle versions to see if they fit.


If breath deflectors don't fit or don't resolve the problem, I fear I may be forced to find a new helmet with a smaller eyeport. I will basically wear it for a few minutes and breathe hard to see if I can fog it. My first stop would be their GP-6 helmet which is the same shell that fits me perfectly but with the 60mm visor opening, but some of the Simpsons, like the Devil Ray, appear to have smaller eyeports as well. Bells aren't shaped right for my head and Stilo is getting out of my price range.

Any other thoughts or ideas?


2017 Chevrolet Corvette Grand Sport
Re: Ongoing problems with helmet visor fogging [Re: dparm] #4522314
09/21/17 01:51 PM
09/21/17 01:51 PM
Joined: Aug 2017
Posts: 164
Displaced Texan in Mexico City
Gimpy1 Offline
Gimpy1  Offline
Joined: Aug 2017
Posts: 164
Displaced Texan in Mexico City
go to a scuba shop and ask the guy at the counter for anti fog. The anti fog for diving masks is safe for plastics and works great. It can be quite pricey tho.

Re: Ongoing problems with helmet visor fogging [Re: dparm] #4522326
09/21/17 02:02 PM
09/21/17 02:02 PM
Joined: Jan 2008
Posts: 1,022
TX
robertcope Offline
robertcope  Offline
Joined: Jan 2008
Posts: 1,022
TX
That's frustrating, for sure. I do agree with you that ideally the visor should be down, although if I am not racing I keep mine up. I do wear protective eyewear (Oakley sunglasses), though. Normally I do have an issue with breath causing fogging while I'm sitting in grid, especially in the morning, but it clears up when I'm on track.

Sorry, I don't really have any good thoughts. You might try posting this at trackjunkies.org, a more track focused forum.

Re: Ongoing problems with helmet visor fogging [Re: Gimpy1] #4522332
09/21/17 02:07 PM
09/21/17 02:07 PM
Joined: Apr 2010
Posts: 13,537
Chicago, IL
dparm Offline OP
dparm  Offline OP
Joined: Apr 2010
Posts: 13,537
Chicago, IL
Originally Posted By: Gimpy1
go to a scuba shop and ask the guy at the counter for anti fog. The anti fog for diving masks is safe for plastics and works great. It can be quite pricey tho.



The two Arai USA technical guys and my race supply shop both said those sprays are not reliable, and they both recommended against the "dish soap" or spit trick.


2017 Chevrolet Corvette Grand Sport
Re: Ongoing problems with helmet visor fogging [Re: dparm] #4522353
09/21/17 02:30 PM
09/21/17 02:30 PM
Joined: Nov 2008
Posts: 3,274
Oshawa, Ontario Canada
JC1 Offline
JC1  Offline
Joined: Nov 2008
Posts: 3,274
Oshawa, Ontario Canada
There used to be a trick to keep bathroom mirrors from fogging up, but using shave foam in the can that produces the white foam (cheap stuff). You might want to try that.


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Re: Ongoing problems with helmet visor fogging [Re: dparm] #4522365
09/21/17 02:41 PM
09/21/17 02:41 PM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline
Joined: Oct 2005
Posts: 7,094
Colorado
I'm surprised a high end helmet doesn't have the small vents that can be opened and closed.


Thick vs Thin test: 15k / 43k miles complete
Re: Ongoing problems with helmet visor fogging [Re: Kuato] #4522380
09/21/17 03:01 PM
09/21/17 03:01 PM
Joined: Apr 2010
Posts: 13,537
Chicago, IL
dparm Offline OP
dparm  Offline OP
Joined: Apr 2010
Posts: 13,537
Chicago, IL
Originally Posted By: Kuato
I'm surprised a high end helmet doesn't have the small vents that can be opened and closed.


It does, but in a closed cockpit car there just isn't much air directly hitting the helmet, even with the windows down.




2017 Chevrolet Corvette Grand Sport
Re: Ongoing problems with helmet visor fogging [Re: dparm] #4522427
09/21/17 03:51 PM
09/21/17 03:51 PM
Joined: Feb 2012
Posts: 87
NJ
irad Offline
irad  Offline
Joined: Feb 2012
Posts: 87
NJ
Take an Ivory soap bar and streak the inside of the helmet. Then rub the entire inside with a soft cloth until the soap residue and glare disappears. Will last about a week of continuous use.

Re: Ongoing problems with helmet visor fogging [Re: dparm] #4522451
09/21/17 04:18 PM
09/21/17 04:18 PM
Joined: Oct 2009
Posts: 3,507
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,507
Wet side WA
Why do you need the visor in a closed cockpit car?
Maybe you need one of those NASCAR helmet type connectors for fresh air?

Last edited by JohnnyJohnson; 09/21/17 04:26 PM.

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Re: Ongoing problems with helmet visor fogging [Re: JohnnyJohnson] #4523054
09/22/17 09:10 AM
09/22/17 09:10 AM
Joined: Apr 2010
Posts: 13,537
Chicago, IL
dparm Offline OP
dparm  Offline OP
Joined: Apr 2010
Posts: 13,537
Chicago, IL
Originally Posted By: JohnnyJohnson
Why do you need the visor in a closed cockpit car?
Maybe you need one of those NASCAR helmet type connectors for fresh air?



To protect against any debris that might enter the car. It's a safety thing.


2017 Chevrolet Corvette Grand Sport
Re: Ongoing problems with helmet visor fogging [Re: dparm] #4523080
09/22/17 09:44 AM
09/22/17 09:44 AM
Joined: Apr 2010
Posts: 13,537
Chicago, IL
dparm Offline OP
dparm  Offline OP
Joined: Apr 2010
Posts: 13,537
Chicago, IL
Well I just heard from someone else that the GP-6 with its smaller eyeport suffers from the same problem, so it looks like the breath deflector is the next thing to try.


2017 Chevrolet Corvette Grand Sport
Re: Ongoing problems with helmet visor fogging [Re: dparm] #4523132
09/22/17 11:29 AM
09/22/17 11:29 AM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline
Joined: Oct 2005
Posts: 7,094
Colorado
Originally Posted By: dparm
Originally Posted By: Kuato
I'm surprised a high end helmet doesn't have the small vents that can be opened and closed.


It does, but in a closed cockpit car there just isn't much air directly hitting the helmet, even with the windows down.




Ahh, inside a car....got it.


Thick vs Thin test: 15k / 43k miles complete
Re: Ongoing problems with helmet visor fogging [Re: dparm] #4523141
09/22/17 11:35 AM
09/22/17 11:35 AM
Joined: Jan 2008
Posts: 1,022
TX
robertcope Offline
robertcope  Offline
Joined: Jan 2008
Posts: 1,022
TX
Originally Posted By: dparm

To protect against any debris that might enter the car. It's a safety thing.


Also to protect against fire. Fire bad.

Re: Ongoing problems with helmet visor fogging [Re: dparm] #4523174
09/22/17 12:28 PM
09/22/17 12:28 PM
Joined: Jun 2005
Posts: 11,608
Santa Barbara, CA
bdcardinal Online content
bdcardinal  Online Content
Joined: Jun 2005
Posts: 11,608
Santa Barbara, CA
I was going to suggest the air duct. I know they make add on kits for them. A friend of mine with a NASCAR truck says the ones that go in the top are amazing.


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1995 Ford Mustang GT

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Opinions expressed are my own.
Re: Ongoing problems with helmet visor fogging [Re: bdcardinal] #4523912
09/23/17 10:07 AM
09/23/17 10:07 AM
Joined: Apr 2010
Posts: 13,537
Chicago, IL
dparm Offline OP
dparm  Offline OP
Joined: Apr 2010
Posts: 13,537
Chicago, IL
Originally Posted By: bdcardinal
I was going to suggest the air duct. I know they make add on kits for them. A friend of mine with a NASCAR truck says the ones that go in the top are amazing.


You mean a forced air system like this?



2017 Chevrolet Corvette Grand Sport
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