Adding Rim airfoils

Everything about building wheels, glueing tubs, etc.
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WinterRider
Posts: 402
Joined: Tue Feb 05, 2013 2:46 pm

by WinterRider

Aero rims.

Add an airfoil on existing rims. Designs could be complex.. not seen on molded rims. Your alloy rims too.

Simple. Cheap to manufacture. Not the bother of meeting strength criteria
rims do. Forget these 'molded games'.

Add me a teardrop shape to my "tall" Kinlin 200's.. give me a few watts.

These should weigh minor grams... effective trade for the benefits. Unlike the heavy clunking car-bon.

:beerchug:

Marin
Posts: 2819
Joined: Wed Jan 22, 2014 11:48 am
Location: Vienna Austria

by Marin

Wow I wonder why noone had this idea before

by Weenie


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WinterRider
Posts: 402
Joined: Tue Feb 05, 2013 2:46 pm

by WinterRider

Marin wrote:
Tue Jul 17, 2018 1:14 pm
Wow I wonder why noone had this idea before

:noidea:

Have NO issue w the 21st century types spending all that coin on the plastic molded stuff.. great for the economy moving the cash around. Well done in fact. Cool too.

Butttt... adding a foil on the rim would open up real experimentation beating the wind.

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WinterRider
Posts: 402
Joined: Tue Feb 05, 2013 2:46 pm

by WinterRider

Marin wrote:
Tue Jul 17, 2018 1:14 pm
Wow I wonder why noone had this idea before
Ooops. Doop-li-cate.

NiFTY
Posts: 1147
Joined: Sat May 26, 2012 11:26 pm

by NiFTY

Marin was being sarcastic. Cause a lot of people have done this before. Heck the HED disc wheels are just a carbon skin over a spoked wheel.
Evo 5.02kg SL3 6.77 Slice RS 8.89 viewtopic.php?f=10&t=110579" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;

bremerradkurier
Posts: 252
Joined: Mon Jun 13, 2016 4:18 pm

by bremerradkurier

Around 1990 there used to be faux disc wheel covers with a alloy hoop clipped to the spokes supporting a stretch nylon cover.

alcatraz
Posts: 974
Joined: Mon Aug 29, 2016 11:19 am

by alcatraz

I think one problem is that the brake tracks can't be covered. The airfoil would be broken there and it's a crucial place. :?

Another is that it might be hard to attach it without it coming loose

Thin plastic warps in heat. I had some covers that were not allowed to go over 80 degrees which means no direct sunshine in the hot summer. They were also very heavy at 500gr/wheel. They were full covers though.

Never got to use them. Only one ride. Worked fine but the bike felt quite sluggish. :)

AJS914
Posts: 2049
Joined: Tue Jan 28, 2014 6:52 pm

by AJS914

bremerradkurier wrote:
Thu Jul 19, 2018 7:23 pm
Around 1990 there used to be faux disc wheel covers with a alloy hoop clipped to the spokes supporting a stretch nylon cover.
I had those around 1992. I used them one time in a TT.

by Weenie



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