Mark Drela has this and more at his site
27" Disk Wheel Weight (g) Rotating Drag (g)
Gipiemme Lens Disk 1107 101
Trialist Flat Carbon Disk 1035 105
Carbotec Lens Disk 1135 108
Spengle Lens Clincher Disk 1480 109
Zipp 950 Carbon Flat Disk 950 112
HED Flat Carbon Disk 1050 114
Accel Kevlar Lens Disk 710 118
Radsport Lens Disk 1900 123
source: UC Irvine Wind Tunnel Tests / Jan-1991 (Cycling Science,
taken from ftp://ftp.netcom.com/pub/ba/banders
Damon Rinard's Bicycle Tech Site:
> Could anyone point me to objective data listing the
> advantages/disadvantages of each of these shapes? Opinions/personal
> experience would also be welcome.
> Thanks in advance.
> Gene Tolli
> Cat said "I am not a friend, and I am not a servant.
> I am the Cat who walks by himself"
> -Rudyard Kipling