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May
1
asked How are tire sizes measured?
Apr
30
answered Can you buy bulk shifting/brake cable for road bikes?
Apr
26
comment Using hub-dynamo for both lights and charging, with priority on lighting
Or, if you're really determined to have the switching done automatically, just wire one of these in between the charging feed to the PedalPower. It has 4 pins: one's adjustment for non-5v applications, cut it off. The outer two will be power and ground from the dynamo, the middle will be regulated +5v ONLY when the dynamo's putting out +5.5v or more, which may never happen with this much load (light + battery unit).
Apr
26
comment Using hub-dynamo for both lights and charging, with priority on lighting
That device will already have its own internal voltage regulator. Wire a switch before the PedalPower (unless it already has one), then make sure its switched off when you really need your light at full power. Otherwise, by default it will only pull current when the battery isn't charged.
Apr
26
comment Using hub-dynamo for both lights and charging, with priority on lighting
I can make you a schematic and/or give more information if you like, just let me know via comment.
Apr
25
comment Using hub-dynamo for both lights and charging, with priority on lighting
The ReeCharge unit below would be a much better overall solution, because it stores the excess into a battery for a better, more consistent charge. With this unit, you'd only have blips of charging when you're at full speed.
Apr
25
answered Using hub-dynamo for both lights and charging, with priority on lighting
Apr
24
comment Can I lace my hub with all inward or outward facing spoke heads?
But yet if they were all on the outside of the flanges, they would 1) improve lateral stiffness, 2) be of more even tension as they are all pulling at more similar angles, and 3) have a more even look to them.
Apr
24
comment Trick or tool to help line up 48 splined crank arms
You're going to hate me if you actually used the law of cosines for this comment, but you're making it more complicated than it needs to be. The hypotenuse is 175mm, and you're looking for the opposite length of the right triangle made from the angle, so it's just 175 * sin (360 / 48) in degrees. You also REALLY notice if you try to pedal like that.
Apr
24
answered Trick or tool to help line up 48 splined crank arms
Apr
20
comment Can I lace my hub with all inward or outward facing spoke heads?
It will also allow me to visualize where the crossings will happen for a given lacing/hole count/etc., so I can see when 1x and/or 2x become possible to outward lace. I'm much more interested in the possible than the useful.
Apr
20
comment Can I lace my hub with all inward or outward facing spoke heads?
I only have 2 extra in one length, and after spending $100 on Wheelsmith DB14 spokes, I'd prefer to keep them nice. However, I stayed up all last night coding, bought a domain name at 3am, and lauched www.wheelspoking.com where I plan to play with all sorts of 'theoretical' builds, and later start computing spoke length for them and the 'pretty' builds, like the spirals and grouped rims/hubs, then make it a bit more interactive.
Apr
20
comment Can I lace my hub with all inward or outward facing spoke heads?
No worries, I took no offense, I'm just enjoying a platform to ask my 'why' and 'why not' questions, which are sometimes dumb and/or obvious to others. I'll gladly take any internet insults in exchange for a good answer. It does sound like outward facing spokes are possible with 1x though... and may have the added benefit of more lateral strength because of a wider effective flange-to-flange width. I suppose what's left (perhaps in a new question) would be - given a wheel where it's possible, does it weaken the flange to have them all pull one way vs alternating?
Apr
20
comment Can I lace my hub with all inward or outward facing spoke heads?
Spokes bend easily, would they really be damaged or weakened significantly if you bend one out over another in the 2x or 3x case? Or they just wouldn't be pulling straight up at the flange? 'Conventional Wisdom' was a poor choice of terms in retrospect, but I didn't know the answer when I asked the question.
Apr
20
comment Can I lace my hub with all inward or outward facing spoke heads?
Also, 1x (and possibly 2x) with certain spoke counts may be possible to not-alternate. I'd really like a concrete "this is when you can, this is when you can't" answer.
Apr
20
comment Can I lace my hub with all inward or outward facing spoke heads?
Interesting Pattern! Could it be possible that lacing pattern has some advantages (all the drive side ones are pulling forward, the ones where a disk would be stopping are pulling in the braking direction), when combined with all outward would add lateral strength (and looking great)?
Apr
19
comment Can I lace my hub with all inward or outward facing spoke heads?
Or for really large flanges, or rims/hubs with low spoke count like 24 or lower.
Apr
19
comment Can I lace my hub with all inward or outward facing spoke heads?
So in 3x, the spokes run into each other too near the flange. This doesn't answer the question for radial, 1x, or 2x.
Apr
19
comment Can I lace my hub with all inward or outward facing spoke heads?
I suspect you mean it's difficult in the crossings, which does not apply to radial spoking, and less for fewer crossings, perhaps not at all for 1x, and then more and more as you get to 2x, 3x, and 4x... but my suspicions are not good answers, nor did I order the right lengths for radial, 1x or 2x crossings.
Apr
19
asked Can I lace my hub with all inward or outward facing spoke heads?