Spoke lengths for Hope/Sunn combo please

greenstiles

greenstiles

Old School Grand Master
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Hi, Offered to build a wheel, anyone know what spoke lengths for front hope pro 2 hub with Sunn doubletrack rim 36hole.

Not been in the trade for a while, so wondering if anyone has their little black book ! like I used to. Save spoke calculator sites, which i used to find a bit hit and miss :D
 
Normal Pro 2 or the newer EVO (if that matter)

What the ERD of the rims?



But using my fave calc site ( and database there) based on standard 12mm nipples iirc.

Complete wheel data

Hub
Hope pro 2
Right flange ø: 54
Left flange ø: 56
Centre to right flange: 34
Centre to left flange: 19.5
Spoke hole ø: 2.1

Rim
Sun Rims Double Track
Effective rim ø: 559
Offset spoke bed: 0

Spoke length for 36 spokes
Crosses Right Left Tension L/R
0 253.7 251.2 176%
1 255.5 253.1 176%
2 260.6 258.4 176%
3 268.1 266.3 176%
4 277.1 275.7 175%
 
ERD 525

Haven't seen the stuff just going on what been told. I tried 2 sites and between them i got 250/251. Seemingly the customer provided his own spokes that are 250's so guessing he knows, but might just bea coincidence as people bring in all kinds of stuff and think that it's correct.

I will jot your results down too cheers :D
 
Pro 2 and Pro 2 evo use same shell. (measurement taken from hope)
And using DT Swiss ERD for the rim gives


Hub

Right flange ø: 54
Left flange ø: 56
Centre to right flange: 33
Centre to left flange: 20
Spoke hole ø: 2.4

Rim

Effective rim ø: 529
Offset spoke bed: 0

Spoke length for 36 spokes
Crosses Right Left Tension L/R
0 238.6 236.1 167%
1 240.4 238 167%
2 245.5 243.3 167%
3 253 251.3 166%
4 262 260.7 166%

same as DT Swiss site gives.
 
Site is
http://lenni.info/edd/
Nice chap, a webbified version of spocalc (helped by the creator of spocalc as well)
He adds modification if people want it and it seems a good idea. like the picture upload I thought would be nice (that's broken at the moment though)
 
Fluffy, using your site i got 249.4/251.3 using internal 525 measurment !!! I'm happy.

Reluctant WOW that's great, wish i still had my black book :cry: :D :D
 
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