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Perforation ventilation

feltfan

My Mail is Forwarded Here
Messages
3,190
Location
Oakland, CA, USA
It has taken me about three years to get around to it, but I
finally conducted my experiment to create a summer felt hat.

I started with an American Hat Company Beaver 50 "open road"
style hat. Nice, stiff, somewhat thick felt. I figured it was a good
candidate because it has a relatively narrow 60s style sweatband-
less contact, less heat- and a very large crown. Particularly since
it's a 7 3/4 (which required a bit of sweatband shrinking). A color
that reflects heat, too.

I got some leather hole punches and mostly paid attention as I
created a somewhat freeform set of ventilation perforations:

[sorry for any inconvenience- odd Flickr UI issue. The pictures should be visible now.]

4320484317_bc1608240a.jpg


4321215562_f5be3f6296.jpg


Leaving the aesthetics aside, this certainly represents a lot more
opportunity for air flow than your typical vented felt fedora or bowler.

I am here to report that it doesn't make much of a difference, unless
you're out on a very windy day. I may continue the experiment until
the hat is nearly completely dotted with holes, but remember that after
a point the hat becomes less useful and less structurally sound.

Hope this is of some interest- I know there has been some speculation
here on the efficacy of venting felt hats.
 

Sam Craig

One Too Many
Messages
1,356
Location
Great Bend, Kansas
In the 1870s and 1880s, the U.S. Army experimented with campaign hats on the plains that had small, metal ventilators built into them. There was even one style that had a little revolving piece that supposedly made a whirring sound when the wind caught it just right.

The first of these ... they were all wool felt for enlisted men, by he way ... was black and later the Army changed to a tan

Considering the replicas I've been around, I would think the change in color had more to do with the comfort of the hat than the little vents.

Later, during the Span-Am War, they had a tan campaign hat with ventilation holes stamped right into the felt

I don't know that any of these methods actually made the hats less hot, however, especially in tropical conditions.

Some of them sure look neat, though
 

feltfan

My Mail is Forwarded Here
Messages
3,190
Location
Oakland, CA, USA
I spent a fair amount of time trying to track down reproductions of
those active metal ventilator grommets. Finally gave up and did what
you see here.
 
fans?

not to sound too geeky, but to assist with cooling, what about putting a very small battery operated case fan in the hat to "draw the air thru" if you made a "star" patter on the front and back, then put the fan in the back of the hat, it might draw air thru.

This may be a better idea in my head, not on my head...
 

JimWagner

Practically Family
Messages
946
Location
Durham, NC
Solar powered pith helmet ->
72808_145x145_thumb.jpg


Use the parts for a solar powered fedora?

At least you probably won't get Indiana Jones comments ;)
 

Sam Craig

One Too Many
Messages
1,356
Location
Great Bend, Kansas
feltfan said:
I spent a fair amount of time trying to track down reproductions of
those active metal ventilator grommets. Finally gave up and did what
you see here.

They used to be available from S&S Firearms, who had them for the Indian Wars Infantry reenactors, but that was a long time ago.
 
Messages
10,596
Location
My mother's basement
I kinda suspected what your experience bears out -- that vent holes don't make a felt hat appreciably cooler to wear. I can see how a semi-colado straw hat might do the trick, what with so much more of the crown being "open air," but to get the same amount of open space in a felt crown would take a whole lotta perforations, as you noted, to the extent that the very soundness of the felt would be sacrificed. Or so I'd think, anyway.

Must say, though, I dig the idea, and the workmanship. Did you make those patterns one hole at a time? Or do you have punches that make multiple-hole patterns with each use? I can see how a band of triangular perforations around the circumference of a Western hat crown might look pretty cool, even if it doesn't render the hat appreciably cooler.
 

feltfan

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3,190
Location
Oakland, CA, USA
CRH, I did contemplate that in one of my many desperate moments,
trying to figure out how I might wear this hat:

http://www.thefedoralounge.com/showpost.php?p=951703&postcount=84

But it's too far gone even for that treatment, I think.

Tonyb, I punched those holes one at a time. For a while I painstakingly
measured the distance and marked the hat. Then I got a bit sloppy.
You ought to see the hat block I used...

RobFedoraField & JimWagner, felt hats are not good candidates for
fans because they are (mostly) too floppy for that weight. But if I did it,
I might have to change my screen name here to "fanfan".

BTW, one last consideration: one could punch much larger holes or vents,
but I felt (if you will) that the holes I punched were as big as one should
go, since larger holes would allow in too much sunlight or too many mosquitoes.
Those large ventilator grommets mentioned above might be more effective for
their sheer size.
 

liten

One of the Regulars
Messages
160
Location
london
hat vents

if your still looking for those hat vents , mr felthat , the 19century us history sutler had them for sale , i got a couple for my 1876 black campaign hat which i made up myself ,from a basic hat i purchased from river junction, im on too the 1883 tan hat now , the first models of those used a small mesh vent, then later they changed to the star vent and snow flake vents
 

feltfan

My Mail is Forwarded Here
Messages
3,190
Location
Oakland, CA, USA
Thanks. You mean this site, right?
http://www.19th-century-us-history.com/

Probably not the worst site design ever, but certainly a contender.
I sure can't find those grommets now.

That's the same site I worked with before. They ran out... for about
a year. Wasn't clear they'd ever get them back in.

If someone can find a link to the product on that site, do let me know.
 

liten

One of the Regulars
Messages
160
Location
london
vents

you could try dirty bills hats , they make the 1876 hat and have the vents , they may sell them seprate from the hats, they dont the turning fan like orignals ,but from the out side they look same, they are called the bracher vent
 

Dm101

A-List Customer
Messages
496
Location
Maryland
Does anyone know what's the proper way of punching those nice little ventilation holes in wool felt hats?

I'm about to order another hat for the summer and I'd like to make it more breathable and less drippy-sweaty than my current stock-form hat.

I will also be removing the leather sweatband and replacing it with a cloth replacement so it all goes into the hat for that "worn" look. Don't care for pretty...I'll keep the hat I wear now for when I need that.

Thanks for any and all advice.
Sent from my LG-M210 using Tapatalk

Sent from my LG-M210 using Tapatalk
 

Just Jim

A-List Customer
Messages
307
Location
The wrong end of Nebraska . . . .
While perhaps not the "proper" way to do it, a small--and new, so still sharp--drill bit in a Dremel tool or similar will cut clean holes in hat felt. Easier to do than a leather punch because all you need for backing is a ball of wadded-up newspaper. It also allows you to place the holes exactly where you want them.

Figured that out while trying to duplicate the ventilation holes in a hundred-year-old military hat. Not something you use every day, but a handy trick to have once in a while.
 

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