Chamber Chiller Options in Canada?

Drape a wet slightly rung out towel (golf towels) over the barrel. Cool the barrel down pretty fast IMO. It acts like a heat sink and if the towel warms up on one side just flip it over. Save the money on the gadgets and buy more ammo.
 
I have seen an argument both ways. There is an article somewhere I read that said NO they do not work. Temperature was measured on the outside of the barrel and never took into account inner cooling.
I say they work. The heat inside the barrel after shooting sits and radiates with nowhere to go. If you introduce an air current you move the hot air out and allow more efficient cooling of the bore. If you ever blow on a hot spoon of soup to cool it down it work on the same effect (I believe, im no scientist)

I agree and just a short trip in basic physics supports the claim (unless the air blown is not cooler than metal temp)

By the way, I like the fan you made: close to a decade ago when I dove deeper into shooting there were plenty of times sitting at the range waiting for my rifle barrel to cool thinking "if I only had a fan that would blow through the bore it would expedite cooling". Standing the rifle up created a chimney out of the barrel complete with the draw one normally achieves with a warm flue... is the most efficient "naturally aspirated" sort of cooling.

Out of curiosity do you have any idea how many CFM, rather Cubic Inches per minute of air the fan will move assuming charged battery? And can I suggest caliber adapters? (I assume the motor and fans are identical despite the caliber of output tube... which may be moot anyway as the output only has to enter the chamber, not the throat so a 338 might work for say the .376" base diameter of a 222/223)

Would you care to state a ballpark figure for cost per unit?
 
Out of curiosity do you have any idea how many CFM, rather Cubic Inches per minute of air the fan will move assuming charged battery? And can I suggest caliber adapters? (I assume the motor and fans are identical despite the caliber of output tube... which may be moot anyway as the output only has to enter the chamber, not the throat so a 338 might work for say the .376" base diameter of a 222/223)

Would you care to state a ballpark figure for cost per unit?

For cfm I have no idea. If someone wants to lend me a kestral meter I can get a good ballpark. I tested about 10 different fans of varying sizes and shapes. The blower fans did have the most static pressure but bigger was definably NOT better. The fan I chose is rated around 4.5 cfm but that really means nothing after going through a nozzle.
I used my primitive scientific technique of seeing which fan could blow out a candle flame after going through the barrel of a gun. The ones that made the cut were "tested" with how far away could they blow it out. Tested those with calibers from .20 to .338. The winner is what is used in the cool shooter.

As for cost per unit all I am willing to say is after calculating what I put into getting the Cool Shooter out there, I would need to sell just over 50 units to break even and that doesn't include any money for manufacturing, assembly and shipping. Maybe if people are still buying these in a couple years I can pay for my investment lol.

If you read the description on the site there are "Caliber adapters". These are offered in three sizes to accommodate the most common sizes of cartridges. I am always open to feedback and changes to be made or custom calibers if someone has a request.

Steve
 
Just got my unit. It's very well built and actually pretty quiet!

I made a few mods for mine to get a better fit with my particular action. If I place the rifle on it's butt, the device flops around a little bit so I cut some HD foam to take up the space in my action and to prevent that from happening. It's nice and snug in there now and even if I flip the rifle upside down, it stays in position.

Thanks for the quick shipping and great product!!

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This is my preferred method of operating,0EF5FB78-7790-487D-B61B-F16C462378FC.jpg
Using the same battery provided with the labradar to power both the radar and the fan.
Seems like I cannot leave the house without my fan anymore, huge cooling time difference!

Edit, sorry for upside down pic don’t know what’s going on here
 

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