Hopefully no typos...
100mm Front r=67mm c=34mm 126mm Rear r=67mm cleft=36mm cright=21mm
27 x 1 1/4 36 Hole R=620mm
Front = 295.64 @ 296.00mm Rear Left = 295.87 @ 296.00mm Rear Right = 294.43 @ 294.00mm
27 x 1 1/4 32 Hole R=620mm
Front = 299.72 @ 300.00mm Rear Left = 299.95 @ 300.00mm Rear Right = 298.52 @ 298.50mm or 298.00mm
700c 36 Hole R=614mm
Front = 292.67mm @ 293.00mm Rear Left = 292.91mm @ 293.00mm Rear Right = 291.45mm @ 291.00mm
700c 32 Hole R=614mm
Front = 296.75mm @ 297.00mm Rear Left = 296.99 @ 297.00mm Rear Right = 295.55mm @ 295.50mm or 295.00mm
Notes:
Use nipples that allow threading to the top. Really shouldn't have to subtract an extra .5mm for 15g since holes in these old campy large flange hubs were typically pretty tight. Rim diameters from Sutherlands, hub specs from DT.
Robert Shackelford San Jose, CA USA
Quoting Steven Snider <steve.snider@comcast.net>:
> Jay:
>
> Thank you for giving me some mental exercise. From Spokecalc I
> determined that for Campy high flange hubs and Ambrosia Elite 27x1 1/4
> rims (Spokecalc didn't list the Elite 19 rims in 700 C) strung 3-cross
> the length was:
> Front: 295.5 mm
> Rear: 295.4 mm left side, 294.5 mm right side
>
> As a cross check, I used my 4th Edition Sutherland's. (the red one),
> Sutherland's chart calucated 294 mm for 27 by 1 1/4 and 290 for 700 C.
>
> As I have found Sutherland's chart to be a tad short, I think you should
> use 295mm or 296mm for 27 inch wheels,, and 291 or 292 spokes for 700 C
> wheels.
>
> To use Sutherland's, first find the chart for the size wheels you are
> using. In this case it gave 300mm for Campy High Flange, Then you find
> the correction factor for the rims you plan to use. For Amborsia 19
> with single eyelets the factors were -6 for 27, inch and -10 for 700C.
>
> Hope this helps.
> Steven Snider
> steve.snider@comcast.net
>
> _______________________________________________
>
>
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