02-16-2017, 06:36 AM
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#11 (permalink)
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(:
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What a poor value. You don't even get teardrop sleeves for the stems.
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The Following 3 Users Say Thank You to Frank Lee For This Useful Post:
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02-16-2017, 02:52 PM
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#12 (permalink)
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T-100 Road Warrior
Join Date: Apr 2008
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It looks similar to my wheel pant fer Dark Aero! 
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Dark Aero-The world's first aerodynamic single wheel boat tail!
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02-16-2017, 06:09 PM
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#13 (permalink)
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PSmodder lurker
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Last edited by botsapper; 02-16-2017 at 06:16 PM..
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02-17-2017, 11:31 PM
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#14 (permalink)
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Moderator
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That Reynolds plug is different; it fits into a deep-section rim like so, with a valve extender sticking out of it:
The sheer ridiculousness of these caps lies in the fact that their drag reduction, if any, will be so infinitesimally small as to be not worth even the $6.99. There are far easier ways to save significant wattage on a bike, and far more effective ways to streamline a car.
Also, I've been racing bikes for more than a decade, and I've never seen anyone using these. |
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02-19-2017, 01:10 AM
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#15 (permalink)
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Ultimate Fail
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A simple recumbent will cut their drag in half.
Why not just do the obvious ?
And as far as the caps for the car ?...a complete waste, since they are within a pocket of turbulent air !
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03-03-2017, 11:54 PM
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#16 (permalink)
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EcoModding Lurker
Join Date: Mar 2017
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There is an interesting article in the FAQ section on the Mercedes B class air fences.
Looks like it's a skirt to funnel air away from the wheel arch.
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03-04-2017, 01:47 PM
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#17 (permalink)
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Master EcoModder
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I'll make my own that includes the stem and test them on my TT bike.
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03-23-2017, 08:42 AM
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#18 (permalink)
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Rat Racer
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Maybe at the mileage I drive, even more years for regular folks.
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Quote:
Originally Posted by sheepdog44
Transmission type Efficiency
Manual neutral engine off.100% @∞MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%
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03-23-2017, 05:19 PM
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#19 (permalink)
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Master EcoWalker
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Quote:
Originally Posted by teoman
7 usd. Wonder how long it will take for your return of investment.
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If you can draw it from a Swiss million euro bank account with negative interest rate, it would even work towards that while parked.
I'd be happy to do that, if that would make me have such an account
__________________
2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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