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Arterial cooling questions

I like this approach a lot. One of my hobbies is racing vintage cars, and I do that in hot weather in a fire suit. I have a Cool Shirt that I wear sometimes, but it's certainly not portable, I have to plug it in to a cooler that circulates water through tubes in the shirt. I understand what you mean about wasting cooling--the outside of my firesuit is cool to the touch when it's operating. It lasts for most of a race, but sometimes the pump looses prime and it cuts off prematurely. I've also tried the phase-change shirt that has a white, waxy looking substance in pockets. It works too, but it's very cold to put on and doesn't last a full race. It's also not very comfortable and you have to take the whole thing off to recharge it.

Photo of Bill Babcock
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I looked at your website for QorePerformance. Here are my thoughts:

I see the garmet is both sleeves and shorts. If the inserts can be recharged by putting them in a cooler, could the cooler be an insulated bag worn on the waist so it could be reached by the wearer?

I've never worn a PPE, but they look clumsy. Is it feasible to manipulate the inserts through a PPE? Could you perhaps make the pockets looser to make replacement easier and  run a tab of Velcro across the pocket to tension it against the pulse point after replacement.

If blue ice and a well-insulated cooler is sufficient to recharge the packets, do you have any idea how many charges you might get with a comfortably carried waist cooler? I'm thinking it shouldn't be more weight than a typical camelback--say equivalent to a quart of water--about two pounds.

I think this looks promising from an efficiency standpoint. I'm going to order your shorts and armband to try under my firesuit anyway. You call the current approach a beta. I see you have a shopping cart on your site but the ordering details are confusing. Are they currently avaialable?
 

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Photo of Jay Buckalew
Team

Bill can you send me your contact info... I would like to discuss with you the problems you are having or have had with our system my email is jay@coolshirt.com I want to make sure it is a COOLSHIRT SYSTEMS RACING product and not a competitor... We stand behind our systems 100 %

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Photo of Bill Babcock
Team

Sure, it's Bill@ponostyle.com. But as I mentioned, I don't have one of the phase change shirts, I borrowed one from a buddy to try it. The shirt I have is like a T-shirt with blue tubes sewn onto it. It connects to a cooler via quick disconnects. There's a pump in the cooler that circulates water through the shirt tubes. Is that what you are referring to?

Ah, I just went to your website, yes, that's the one. I have the Cool Shirt air and water system with piped air to my helmet. I rarely use that. I think I bought it in 2007 when I did a summer-long trip around the country to race at most of the famous north american tracks. It generally works well, but the pump does lose prime sometimes, even though the cooler is quite full.

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Photo of Jay Buckalew
Team

Yes , there are other companies that use the term cool suit or cool shirt and if you have a system that is losing its prime and it is COOLSHIRT SYSTEM product we need to repair or replace... We have over 10K systems in the field of Motorsports and our customer satisfaction is paramount to us...

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Photo of Bill Babcock
Team

I appreciate the contact, As I say, it's an old system but it's nice to see a company stand behind their products.

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Photo of Jay Buckalew
Team

No worries glad to know it was from 2007 production run :) as I mentioned in our call all of our fixed cooling systems have had the pumps upgraded to a 25K hour self priming pump. Thanks again for your time !

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