Hi,
I'm having troubles lacing 1st generation Pulstar hubs with some rims (32-hole Ritchey Vantage Comp). As stated by Sheldon Brown, the key spoke is a trailing right side (DS) spoke: The key spoke will be a trailing spoke, right (drive) side. No problem inserting the 7 other trailing DS spokes. Problems arose when inserting the trailing left side (NDS) spokes. The machining of the Pulstar hub "flanges" make it impossible to insert them right (i.e. clockwise) to the trailing DS spokes, as explained by Sheldon Brown: If the key spoke is next to the valve hole, insert a spoke into the left flange so that it lines up one hole clockwise (when viewed from the right/drive side) of where the key spoke exits the hub flange. I'm forced to let them go left (i.e. counter-clockwise) to the trailing DS spokes. Once all the leading DS and NDS spokes are inserted, the valve hole is not between parallel opposite spokes, as it should. And because of the rim hole offsets, I can't simply shift everything (one spoke counter-clockwise or three spoke clockwise in the below picture): the NDS spokes would then be facing the hub DS flange and vice-versa.
By contrast, I made a quick simulation with a similar Pulstar rear hub and a spare 32-hole Mavic M231 rim. No problem, the valve hole would be correctly located between parallel opposite spokes if I had the wheelbuilding completed.
One noticeable difference between the Vantage Comp and M231 rims is the drilling. If you look at the below two pictures, you can see that the holes left and right to the valve hole aren't shifted the same. For the M231 rim, the key spoke in not inserted into the hole right to the valve hole, but one hole away, as told by Sheldon Brown: The key spoke will be next to the valve hole in the rim, or one hole away.
Question is thus: Are Pulstar hubs "compatible" only with "some handiness" drilled rims (per Sheldon Brown, nobody took the risk defining what is "left handed" vs. "right handed": Which type is "right handed" and which "left handed"? I have never met anyone who was willing to even make a guess!) or is it just a cosmetic acceptable issue for wheelbuilders not to have the valve hole always between parallel opposite spokes?
Thanks for any input.
I'm having troubles lacing 1st generation Pulstar hubs with some rims (32-hole Ritchey Vantage Comp). As stated by Sheldon Brown, the key spoke is a trailing right side (DS) spoke: The key spoke will be a trailing spoke, right (drive) side. No problem inserting the 7 other trailing DS spokes. Problems arose when inserting the trailing left side (NDS) spokes. The machining of the Pulstar hub "flanges" make it impossible to insert them right (i.e. clockwise) to the trailing DS spokes, as explained by Sheldon Brown: If the key spoke is next to the valve hole, insert a spoke into the left flange so that it lines up one hole clockwise (when viewed from the right/drive side) of where the key spoke exits the hub flange. I'm forced to let them go left (i.e. counter-clockwise) to the trailing DS spokes. Once all the leading DS and NDS spokes are inserted, the valve hole is not between parallel opposite spokes, as it should. And because of the rim hole offsets, I can't simply shift everything (one spoke counter-clockwise or three spoke clockwise in the below picture): the NDS spokes would then be facing the hub DS flange and vice-versa.
By contrast, I made a quick simulation with a similar Pulstar rear hub and a spare 32-hole Mavic M231 rim. No problem, the valve hole would be correctly located between parallel opposite spokes if I had the wheelbuilding completed.
One noticeable difference between the Vantage Comp and M231 rims is the drilling. If you look at the below two pictures, you can see that the holes left and right to the valve hole aren't shifted the same. For the M231 rim, the key spoke in not inserted into the hole right to the valve hole, but one hole away, as told by Sheldon Brown: The key spoke will be next to the valve hole in the rim, or one hole away.
Question is thus: Are Pulstar hubs "compatible" only with "some handiness" drilled rims (per Sheldon Brown, nobody took the risk defining what is "left handed" vs. "right handed": Which type is "right handed" and which "left handed"? I have never met anyone who was willing to even make a guess!) or is it just a cosmetic acceptable issue for wheelbuilders not to have the valve hole always between parallel opposite spokes?
Thanks for any input.
