Which of these methods should I use to lace the spokes, motor, and rim, and why?
Notice, one has the spokes fed from the same side, the other, alternates which side the spoke is fed through.
Can you think of pros/cons of each method or is one known to be better?
I don't know...but you might consider spoke washers on the spokes where they contact the motor. Relieves stresses in that area, preventing breakage of spokes which often occurs at the "knee". Available on the net somewhere - I used brass washers - after I got several spoke breaks on my Crystalyte 404.
Originally Posted by chvid
I'm doing the HS 3540 with 72 volts on a 26" 31mm DH rim with disc brakes. I hear you on the washers! The guys that sold me the thing say I don't need double-butted or washers, but it's just so hard to believe, however, they have provided the best support I could ever imagine.
I just finally realized what all that crossing stuff is about here...
Spoke Calculator - Tools
Might do 2 cross, maybe 1. I'm not going to alternate how the spokes are fed, I don't think, I just don't really know.
Just got a reply from them, and here's what they have to say about the last little detail...
The spoke head orientation (all inside, alternating in and out, or all outside) can be used to optimize the dishing of the wheel in some scenarios where the motor flanges aren't centered, and also to help improve the seating of the spoke head. if the flange is relatively wide (head on the outside) or too thin (all heads on the inside). The rear Crystalyte motors have an offset flange that counters the axle offset (which sticks out much further on the freewheel side) so that overall it is relatively centered, and the easiest way to build it is with all the spoke heads on the outside as in the 1st pic posted here.