helmet vs. no helmet?

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helmet vs. no helmet?

Postby ohexploitable » Wed Oct 24, 2012 7:53 pm

so i'm thinking about getting back into commuting regularly and being a bit aerodynamic sure doesn't hurt :)

are helmets or no helmets more aero?

now i'm not talking about aero tt helmets or anything, just regular ones
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by BNA » Wed Oct 24, 2012 7:58 pm

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Re: helmet vs. no helmet?

Postby scirocco » Wed Oct 24, 2012 7:58 pm

This should be a good one....

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Re: helmet vs. no helmet?

Postby toolonglegs » Wed Oct 24, 2012 7:59 pm

No helmet and shaved head is more aero... Don't forget the skin suit and bootie covers ;-)
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Re: helmet vs. no helmet?

Postby familyguy » Wed Oct 24, 2012 8:01 pm

First, I was like

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Then I was like

Image

And now I'm like

Image

How's that for an answer to the question of the year?
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Re: helmet vs. no helmet?

Postby damhooligan » Wed Oct 24, 2012 8:06 pm

im not sure about riding, but I always wear my drinking helmet...

The dutch have one word to describe the aussie MHL, this word is ;
SCHIJNVEILIGHEID !!
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Re: helmet vs. no helmet?

Postby il padrone » Wed Oct 24, 2012 8:14 pm

Velomobiles are the best for aero, with or without a helmet :wink: :D

Riding bikes in traffic - what seems dangerous is usually safe; what seems safe is often more dangerous.
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Re: helmet vs. no helmet?

Postby liquor box » Wed Oct 24, 2012 8:22 pm

toolonglegs wrote:No helmet and shaved head is more aero... Don't forget the skin suit and bootie covers ;-)

Would a bald head actually be more aero?
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If your head was dimpled then it might be aero
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Re: helmet vs. no helmet?

Postby skull » Wed Oct 24, 2012 8:25 pm

liquor box wrote:
toolonglegs wrote:No helmet and shaved head is more aero... Don't forget the skin suit and bootie covers ;-)

Would a bald head actually be more aero?
Image
If your head was dimpled then it might be aero


I am sorted then, bald and have dimples on the skull
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Re: helmet vs. no helmet?

Postby greyhoundtom » Wed Oct 24, 2012 8:30 pm

Bald head........aero glasses.........big pointy nose........tape over the ears..........and keep your mouth shut :mrgreen:
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Re: helmet vs. no helmet?

Postby Nobody » Wed Oct 24, 2012 8:35 pm

liquor box wrote:Would a bald head actually be more aero?
Yes, because it has a smaller frontal area than with a helmet.

Gets in before the lock... :D
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Re: helmet vs. no helmet?

Postby toolonglegs » Wed Oct 24, 2012 8:36 pm

liquor box wrote:
toolonglegs wrote:No helmet and shaved head is more aero... Don't forget the skin suit and bootie covers ;-)

Would a bald head actually be more aero?
Image
If your head was dimpled then it might be aero

Well thats an aero tt helmet... bald head would be more aero than a head of hair waving around, no idea how much though... probably a nats dick. But head alone will be quite a bit more aero than your average road helmet.
This was no helmet... http://app.strava.com/rides/10278948#180580550 and it was fast... I don't think a helmet was going to do a lot for me at 50-70 kmph if I came off but I ceratainly felt naked without it at those speeds.

RIGHT LINK NOW :oops:
Last edited by toolonglegs on Wed Oct 24, 2012 8:42 pm, edited 1 time in total.
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Re: helmet vs. no helmet?

Postby toolonglegs » Wed Oct 24, 2012 8:38 pm

Nobody wrote:
liquor box wrote:Would a bald head actually be more aero?
Yes, because it has a smaller frontal area than with a helmet.

Gets in before the lock... :D


Yes a head has a smaller frontal area... but a TT helmet fills in the dip of the neck... so I am not sure if a good aero helmet ( which suits the riders position ) plus a visor is more aero than just a head. I will leave that to ALex :D .
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Re: helmet vs. no helmet?

Postby Nobody » Wed Oct 24, 2012 8:40 pm

I forgot my helmet one day and it took me about 10 minutes or more to realize before I turned back. Definitely felt and appeared on the computer to be faster than normal.
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Re: helmet vs. no helmet?

Postby Nobody » Wed Oct 24, 2012 8:43 pm

toolonglegs wrote:Yes a head has a smaller frontal area... but a TT helmet fills in the dip of the neck... so I am not sure if a good aero helmet ( which suits the riders position ) plus a visor is more aero than just a head. I will leave that to ALex :D .
We probably won't find out either as I'm expecting this to be locked as soon as a mod realizes. Maybe Warthog1 can tell us. He's also got one of those funny looking things. :D
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Re: helmet vs. no helmet?

Postby greyhoundtom » Wed Oct 24, 2012 8:47 pm

Nobody wrote:I forgot my helmet one day and it took me about 10 minutes or more to realize before I turned back. Definitely felt and appeared on the computer to be faster than normal.

I did the same thing with the same results........however with me it was the panic setting in just in case the cops spotted me and I copped a fine.........my fastest trip ever getting back up the hill to home. :lol:
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Re: helmet vs. no helmet?

Postby toolonglegs » Wed Oct 24, 2012 8:50 pm

Might be locked... but personally I actually wonder before a ride if I am going to go and have a crack at a flat fast strava segment if I should skip the helmet. No way am I going to wear a sperm hat on a training ride :P . But then some of us have the choice :P . It is actaully a fair question... and the reason giro have come out with these.
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Re: helmet vs. no helmet?

Postby greyhoundtom » Wed Oct 24, 2012 8:52 pm

If you don't wish to shave your head as well as your legs...........a rubber shower cap should do the trick. :wink:
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Re: helmet vs. no helmet?

Postby Mrfenejeans » Wed Oct 24, 2012 9:00 pm

Image

Hollowed out watermelon does the trick too.
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Image
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Re: helmet vs. no helmet?

Postby Mulger bill » Wed Oct 24, 2012 9:07 pm

Lock? Naaah.

This has been the most coherent and enjoyable lid thread I've read for some time now :lol:
...whatever the road rules, self-preservation is the absolute priority for a cyclist when mixing it with motorised traffic.
London Boy 29/12/2011
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Re: helmet vs. no helmet?

Postby HelmutHerr » Wed Oct 24, 2012 9:09 pm

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Re: helmet vs. no helmet?

Postby Mrfenejeans » Wed Oct 24, 2012 9:12 pm

Mulger bill wrote:Lock? Naaah...


Image

Oh Devo
Image
Image
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Re: helmet vs. no helmet?

Postby il padrone » Wed Oct 24, 2012 9:27 pm

This is bound to get it locked then - 1940 aero helmets :twisted:

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Riding bikes in traffic - what seems dangerous is usually safe; what seems safe is often more dangerous.
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Re: helmet vs. no helmet?

Postby warthog1 » Wed Oct 24, 2012 9:33 pm

Nobody wrote:
toolonglegs wrote:Yes a head has a smaller frontal area... but a TT helmet fills in the dip of the neck... so I am not sure if a good aero helmet ( which suits the riders position ) plus a visor is more aero than just a head. I will leave that to ALex :D .
We probably won't find out either as I'm expecting this to be locked as soon as a mod realizes. Maybe Warthog1 can tell us. He's also got one of those funny looking things. :D


What, funny looking head or helmet :?:

I reckon TLL is right as an aero helmet correctly worn should smooth the air flow off the back of the scone.
Then again my funny looking, clapped between two bricks head, has a pretty small frontal area, so I don't know. Plus look at those non pointy helmets Sky were wearing at the tdf this year :?
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Re: helmet vs. no helmet?

Postby Nobody » Wed Oct 24, 2012 9:35 pm

toolonglegs wrote:It is actually a fair question... and the reason giro have come out with these.
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Yeah, it looks less high on the head, but it appears to be a Euro specific helmet as it has next to no vents. It's going to be 36 deg C here tomorrow. I couldn't wear it without having to stop to wash the sweat out of my eyes. Maybe a winter specific helmet? Probably more aero than the winter specific one below. :D
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Re: helmet vs. no helmet?

Postby Nobody » Wed Oct 24, 2012 9:43 pm

warthog1 wrote:What, funny looking head or helmet :?:
Must be the helmet because as you have the good idea to hide your identity, I don't know what you look like. :)

warthog1 wrote:I reckon TLL is right as an aero helmet correctly worn should smooth the air flow off the back of the scone.
Then again my funny looking, clapped between two bricks head, has a pretty small frontal area, so I don't know. Plus look at those non pointy helmets Sky were wearing at the tdf this year :?
I didn't bother to watch too much of the TdF this year as it was so boring. The Sky train made it so. So I only watched it when I was on night shifts. I think I missed the helmets. Got a pic?

Edit:
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http://www.bikeradar.com/news/article/k ... ook-33310/
Interesting...
Last edited by Nobody on Wed Oct 24, 2012 9:47 pm, edited 1 time in total.
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