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  (#1)
What's today? aah fuck it
 
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October 5, 2005, 04:33 AM

Seems to me like Joe Rocket is the only manufacturer that makes a leather jacket with the aerodynamic speed hump. Are there any other manufacturers that make this aerodynamic speed hump leather jackets? I could've sworn there were other makers out there....am I wrong?

Someone enlighten me...
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neo
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October 5, 2005, 06:40 AM

Teknic Speedstar jackets do have speed humps...
I have the blue and white one.



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  (#3)
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October 5, 2005, 06:53 AM

Alpinestars does check their site...plus they have this crazy device for the pros while they sit on the grid that that pumps cooling air down thier backs with gelpads.


Quote:
Alpinestars Motorcycle leather cooling system details
July 19, 2005 A few weeks back we reported rumours of AlpineStars developing a motorcycle leather “cooling system” and our belief that the system was used by American Renegade Koji Honda rider Ben Bostrom at the Misano (Italy) round of the World Superbike Championships. Now further details have come to light confirming the information that he was using a prototype of a new Alpinestars cooling system incorporated into his Alpinestars Tech back protector. Codenamed Embedded Air, the innovative project is part of Alpinestars’ on-going ‘Cool Rush’ program, which is looking at many new technologies specifically targetting the area of rider cooling. The entire Embedded Air system adds only 200g to the weight of the Tech back protector, while tests have shown the level of protection it offers isn’t adversely affected.

Several other Alpinestars’ MotoGP riders like US MotoGP winner Nicky Hayden, John Hopkins, Kenny Roberts Jr. and Shane Byrne have also utilised the system, which provides a beneficial cooling effect where the active area of the back protector drops significantly in temperature for up to 40 minutes.

The system sees a small, lightweight fan built into the top of the back protector and held firmly in place between hard foam bosses, while several intake holes drilled into the hard plastic armour above the fan allow air to be sucked in while the rider is stationary, for example while waiting on the grid for a race to commence.

The fan is powered by a slim, ultra lightweight battery pack, also concealed within the protector itself. When on the move the air is forced into the protector simply by the motion of the bike, but the air circulation itself only tells part of the story.

Embedded into the shock absorbant foam of the protector are two frozen gel inserts that run along the rider’s spine, which provide an immediate cooling effect as soon as the protector is worn. But next to these are two special frozen sponges that melt at a controlled rate, infusing a slow release of cool water, which is then distributed along a 50cm length of a special channeled mesh.

This mesh allows both the cool water and the circulating air to be distributed relatively evenly along its length, the two combining to lower the temperature by around 50 degrees Fahrenheit (10 degrees Celsius) for the first 10 minutes, with a constant, noticeable cooling effect for the following 30 minutes of around 45 degrees Fahrenheit (around 7 degrees Celsius).

The Embedded Air back protector was certainly a plus for Bostrom at Misano, where the on-track temperature was nearing a scorching 122 degrees Fahrenheit (50 degrees Celsius). “It felt really nice, especially when I was sitting out on the Misano grid for so long during for race one,” Bostrom said, adding: “Instead of getting really hot, you’ve just got this cool feeling down your back.”

The system was used by Hayden, Hopkins, Roberts Jr and Byrne at the MotoGP event at Laguna Seca, as part of Alpinestars’ commitment to the constant development of motorcycling safety, protection and human performances technologies


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rdg
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October 5, 2005, 07:15 AM

Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
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October 5, 2005, 07:32 AM

Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?


Chris
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Typical Stripper
 
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October 5, 2005, 07:33 AM

Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Or a 1k bike for the street?


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October 5, 2005, 07:39 AM

Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Maybe I just didn't get it. Maybe he wants to see how it is for the track but I guess I didn't get it


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October 5, 2005, 07:45 AM

Quote:
Originally Posted by Nudist
Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Or a 1k bike for the street?
Well...chicken strips need to come from somewhere...they don't grow on chickens



=



Cook so you get:

[img]http://rds.yahoo.com/S=96062883/K=chicken+strip+picture/v=2/SID=e/l=IVI/SIG=12hijtee2/EXP=1128602718/*-http%3A//www.scottsigns.com/images/d111_chickenstrip_basket.jpg[/img]


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  (#9)
Brainwash Your Face!
 
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October 5, 2005, 07:57 AM

Back on topic gang...





"Someone should donkey punch that bitch with a waffle iron then upload the video to World Star Hip Hop" ~.Nets Resident Chivalrous Gentlemen Stillie

RIP KATIE RIP BAMBAM RIP VEGA
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rdg
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October 5, 2005, 08:34 AM

Quote:
Originally Posted by gsxrbulldog
Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Maybe I just didn't get it. Maybe he wants to see how it is for the track but I guess I didn't get it
my post probably came across harsher than I meant.. but my understanding of the speed hump is that at fast speeds (faster than anything street legal, which is the assumption I was working with because he asked solely about 'jackets') it cancels out the aerodynamics of your back. Because of the shape of your back and it's position when you're in full tuck your back can actually act like a wing and create lift. A speed hump cancels out this effect and smooths the airflow, but we're still talking about well into a triple digit speed.

Anyway, sorry to derail and no insult was meant, Amer. And the thought of a 2pc didn't even cross my mind earlier.
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  (#11)
whats in your drink?
 
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October 5, 2005, 08:51 AM

Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Its a bike thats almost as old as mine we need all the help we can get.


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I miss you Jeff
 
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October 5, 2005, 08:56 AM

Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?


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noise
 
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October 5, 2005, 09:04 AM

Dainese!!!

Memory fails me BUT there are leather shops that will incorprate a HUMP to an existing jacket! I read it somewhere... I DID!!!
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Got Any Gwapes?
 
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October 5, 2005, 09:25 AM

Quote:
Originally Posted by Nudist
Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Or a 1k bike for the street?
OH NO YOU DI'INT...YOU DID NOT JUST KNOCK THE 1K (or those very close to 1K)





fear the big bike


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October 5, 2005, 09:51 AM

Quote:
Originally Posted by boomboom929
Quote:
Originally Posted by Nudist
Quote:
Originally Posted by stevegula
Do you need the aerodynamic speed hump on a jacket?

Isn't that kind of like a park bench spoiler on a Civic?
Or a 1k bike for the street?
OH NO YOU DI'INT...YOU DID NOT JUST KNOCK THE 1K (or those very close to 1K)





fear the big bike
Jay you don't count you know what you're doing

To contribute to the thread, AGV makes jackest and 2-piece outfits which incorporate "speed humps"

http://www.kneedraggers.com/details/...t--503450.html

Price is reasonable and quality is excellent!


Chris
2008 MARRC AM Racer of the Year
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