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May
2
comment What alternative spoke lacing patterns exist (that make a decent wheel)?
This is an actual question! It is both practical, as I explained why above, and easily answerable. If anyone knows of one, add it. Thus a complete-ish list has been formed, which helps both me and anyone looking for a list like this. I've looked at many sources, and nowhere has a single unified source. Not only that, there are only a finite number of 'patterns' - I'd guess about 20 tops. There WOULD be a decently complete list, over time, if you open the question and others contribute.
May
2
asked What alternative spoke lacing patterns exist (that make a decent wheel)?
May
2
answered Can I lace my hub with all inward or outward facing spoke heads?
May
2
answered How do I calculate spoke length?
May
2
revised How are tire sizes measured?
Clarified answer, summarized at top from discussion in comments.
May
2
comment How are tire sizes measured?
The OD / Height is to the highest point, yes. How do you determine the start/end of the tread for the width though? Or is it just at the widest point, regardless of tread? Or expected width at rim? This would also apply for MTB / BMX slicks as well, where there isn't a clear transition from sidewall to tread.
May
2
accepted How are tire sizes measured?
May
2
suggested approved edit on How are tire sizes measured?
May
2
comment How are tire sizes measured?
Got it. In this case, I don't much care for fitment, just how to draw it. Essentially I'm using if (tireSize > 70) tireOD = tireSize; else tireOD = tireSize * 25.4; to cover what I needed. For some bizarre reason I got to thinking the second number was height off the rim, and I was making it much harder for myself.
May
1
revised How are tire sizes measured?
Fixed width options
May
1
comment How are tire sizes measured?
If I was to guess based on your answer, you're saying: - 26" = OD including tread, inflated to recommended PSI - 2.125" = Width at tread, inflated to recommended PSI On a side note, how do you know where tread begins on a road tire?
May
1
revised How are tire sizes measured?
Updated based on second number being width, not height.
May
1
comment How are tire sizes measured?
But the second number is width though? That explains some things. So I think the number I'm looking for is just the first one converted to MM - 660.4 for any 26" tire, 700 for any 700C tire. The 'height above rim' is thus variable based on the rim ISO bead seat diameter + 2 * (rim height above BSD (3-4mm or so)).
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