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Search: Posts Made By: capsicum
Forum: General Cycling Discussion 06-26-15, 02:00 PM
Replies: 52
Views: 10,948
Posted By capsicum
"racers" and "light" != cruising, full weight [or...

"racers" and "light" != cruising, full weight [or full weight minus handlebar pressure]
Even at that, racers use about 3 times the pedal force of Joe cruiser, which is a significant reduction in...
Forum: Bicycle Mechanics 07-23-14, 12:46 PM
Replies: 7
Views: 476
Posted By capsicum
Look at them, feel them, are they deeply scarred...

Look at them, feel them, are they deeply scarred or grooved? Otherwise measure them with calipers, 1.5mm is the general spec for solid steel I don't recall what the minimum is for icetec rotors(3...
Forum: Bicycle Mechanics 06-19-14, 07:34 PM
Replies: 37
Views: 1,475
Posted By capsicum
It's a lube when wet a moisture barrier when dry,...

It's a lube when wet a moisture barrier when dry, and prevents items from shaking loose(which is caused by longitudinal vibrations that exceed the preloaded longitudinal strain on the fastener, split...
Forum: Bicycle Mechanics 06-19-14, 06:54 PM
Replies: 109
Views: 3,841
Posted By capsicum
Old methods work, new methods have been developed...

Old methods work, new methods have been developed because the old methods have some weaknesses, pros & cons and all that.

If you use a gage, make sure you treat it well and give it some light oil...
Forum: Bicycle Mechanics 06-19-14, 06:33 PM
Replies: 109
Views: 3,841
Posted By capsicum
The music tuning was an interesting example;...

The music tuning was an interesting example; firstly because a (quality) tuning fork is a standard unit with a known uncertainty, much like the class M2 and F1 calibration masses that I use to check...
Forum: Bicycle Mechanics 06-19-14, 06:12 PM
Replies: 109
Views: 3,841
Posted By capsicum
Yes, it also isn't subject to drift because of a...

Yes, it also isn't subject to drift because of a loud party the night before or seasonal allergies, and can be used with different gage spokes with a quick reference chart.
Forum: Bicycle Mechanics 06-09-14, 03:46 AM
Replies: 109
Views: 3,841
Posted By capsicum
(caution sleep deprived rambling may follow...

(caution sleep deprived rambling may follow :twitchy:)
Farmers don't guess at crop nutrition by eyeballing the leaves, they use a tissue and soil analysis labs.
Boats (other than for nostalgia)...
Forum: Bicycle Mechanics 06-09-14, 02:08 AM
Replies: 14
Views: 595
Posted By capsicum
Tension is calculated based on rim nipple-hole...

Tension is calculated based on rim nipple-hole strength, hub spoke-hole strength, and spoke strength. The basic goal is to use a preload (spoke tension) equal to one half of the stress needed to...
Forum: Bicycle Mechanics 06-09-14, 01:39 AM
Replies: 16
Views: 981
Posted By capsicum
real citrus solvent is better than mineral...

real citrus solvent is better than mineral spirits, but good luck finding straight D-limonene outside of a wholesale industrial supply house. Most citrus degreasers only have 2-20% D-Limonene.
the...
Forum: Forum Suggestions & User Assistance 06-09-14, 01:12 AM
Replies: 31
Views: 1,983
Posted By capsicum
I'm having the same issue, it seems to be a...

I'm having the same issue, it seems to be a recent development,(though I'm not on very frequently these days)
And no "remember me" is not the answer, it is just a kludgey workaround for an actual...
Forum: Bicycle Mechanics 06-09-14, 12:59 AM
Replies: 27
Views: 1,697
Posted By capsicum
I had an annoying click in the cranks years ago,...

I had an annoying click in the cranks years ago, a duller click not a metallic click like a derailer rub, and it was once or twice per crank rev..
It was turned out to be a very slightly loose...
Forum: Bicycle Mechanics 06-08-14, 11:29 PM
Replies: 42
Views: 1,968
Posted By capsicum
Oh and lubricant is not flooded into any gap in...

Oh and lubricant is not flooded into any gap in the chain as bicycle chains have no seals or continuous oil bath, so they could only achieve a thin film at their best.
Forum: Bicycle Mechanics 06-08-14, 11:24 PM
Replies: 42
Views: 1,968
Posted By capsicum
Yes, but the full equations are a bit beyond this...

Yes, but the full equations are a bit beyond this particular issue.
The basic concepts and rule of thumb however are a basic part of lube engineering. The lubricant film thickness has very little to...
Forum: Bicycle Mechanics 05-29-14, 05:56 PM
Replies: 18
Views: 911
Posted By capsicum
Bicycle tires are not DOT approved. The bearings...

Bicycle tires are not DOT approved. The bearings themselves assuming a quality brand, could take over 100mph, IF properly greased (about30% fill and channeling type (#2 thickness lithium), as you...
Forum: Bicycle Mechanics 05-29-14, 05:40 PM
Replies: 42
Views: 1,968
Posted By capsicum
Actually the lubricant films found on bicycles,...

Actually the lubricant films found on bicycles, including chains, are sub one micron.

This is true.
...unless you use wax, maybe.
Forum: General Cycling Discussion 05-26-14, 01:13 PM
Replies: 29
Views: 1,046
Posted By capsicum
I have ten, mostly basket cases.

I have ten, mostly basket cases.
Forum: Bicycle Mechanics 05-26-14, 01:06 PM
Replies: 42
Views: 1,968
Posted By capsicum
I'm a fan of centrifuges but there is a definate...

I'm a fan of centrifuges but there is a definate investment economy of scale there. Centrifuge plus the pump and enough solvent stock to make it worth while. 60 GPH Centrifuge for WVO Motor Oil and...
Forum: Mountain Biking 05-26-14, 03:14 AM
Replies: 0
Views: 371
Posted By capsicum
Looking for some light wide rim options.

So, ever since my first ryno-lite I've been sold on wide rims. However I no longer have that bike as I've out of the game for a few years(life happens) and now I'm putting together a new bike with...
Forum: Bicycle Mechanics 05-26-14, 02:41 AM
Replies: 42
Views: 1,968
Posted By capsicum
Yep, I'm aware of miscibility and we are speaking...

Yep, I'm aware of miscibility and we are speaking of non-polar solutes.(except dumondtech)

toluene and xylene are very similar in most respects, plain benzene is by far the toxic one of the...
Forum: Bicycle Mechanics 05-25-14, 11:10 PM
Replies: 20
Views: 1,403
Posted By capsicum
I haven't taco'd one wheel in the several...

I haven't taco'd one wheel in the several thousand I have trued, only one very light narrow road wheel ever gave me pause, but it just felt springy no effect on trueness.(<5 minutes for decent...
Forum: Bicycle Mechanics 05-25-14, 10:26 PM
Replies: 42
Views: 1,968
Posted By capsicum
Coffee filters are good for about 20 microns and...

Coffee filters are good for about 20 microns and auto oil filters are also good for 20-30 microns.(ish, tests and rating types and efficiency vary) large truck bypass oil filters are about one...
Forum: Bicycle Mechanics 05-25-14, 10:20 PM
Replies: 42
Views: 1,968
Posted By capsicum
D-limonene is "citrus solvent" in its pure form...

D-limonene is "citrus solvent" in its pure form for oils it is stronger than odorless mineral spirits, about equal to turpentine, and weaker than tolulene. The strongest around is an equal mix of...
Forum: Bicycle Mechanics 05-25-14, 10:03 PM
Replies: 21
Views: 880
Posted By capsicum
The most important part is making sure the wrench...

The most important part is making sure the wrench its self is narrow enough not to effect the final tightening. Bezalel is right about the torque wrench, but it does give one a basic feel for how...
Forum: Bicycle Mechanics 05-25-14, 09:56 PM
Replies: 59
Views: 2,609
Posted By capsicum
Fair enough, there will always be a weak link.

Fair enough, there will always be a weak link.
Forum: Bicycle Mechanics 05-25-14, 09:47 PM
Replies: 69
Views: 2,891
Posted By capsicum
yes most diagonal cutters have the edges ground...

yes most diagonal cutters have the edges ground on the outside face, which leaves a small tab. They are that way because it makes the edge angle wide enough to stand up to copper and steel wire and...
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