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Search: Posts Made By: WizardOfBoz
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03-30-20, 02:42 PM
Replies: 45
Views: 769
Posted By WizardOfBoz

BTW, just saw the CDC page about cleaning...

BTW, just saw the CDC page about cleaning products, and they recommend EPA approved disinfectants for Covid. This includes Lysol products with quaternary ammonium compounds (benzalkonium chloride).
...
03-30-20, 12:39 PM
Replies: 45
Views: 769
Posted By WizardOfBoz

Context is important. Thanks for pointing this...

Context is important. Thanks for pointing this out. One clarification: viruses don't grow. They need a host organism to replicate. The concern here is virion (viral particle) stability. The virion...
03-30-20, 11:12 AM
Replies: 45
Views: 769
Posted By WizardOfBoz

To the OPs point, if it were me, and the bike...

To the OPs point, if it were me, and the bike came in a cardboard box, I'd move it somewhere and then wash my hands. I'd let the box sit for a five days or so. Then I'd open it up and put the bike...
03-30-20, 10:09 AM
Replies: 45
Views: 769
Posted By WizardOfBoz

Kind of, depending upon definitions. If "V" is...

Kind of, depending upon definitions. If "V" is the viral load in a certain volume, and we add a specific volume of sanitizing solution of concentration S, then assuming first order kinetics you get
...
03-30-20, 09:58 AM
Replies: 45
Views: 769
Posted By WizardOfBoz

Found a site that seemed to know what they are...

Found a site that seemed to know what they are talking about.
https://www.infectioncontroltoday.com/environmental-services/best-approach-disinfecting-surfaces-amid-novel-coronavirus-outbreak
...
03-28-20, 10:25 AM
Replies: 7
Views: 229
Posted By WizardOfBoz

This help? ...

This help?

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/940x705/gmc_denali_6061_15014_1_49978eaf68147b9eb9710afbf8b08a41c14aba68.jpg
03-28-20, 09:59 AM
Replies: 0
Views: 92
Posted By WizardOfBoz

Stupid Human/Computer Tricks During Lockdown

I use a backup service (CrashPlan) which seems to work ok. I have several computers this is on, and it incrementally sends new files or modified files to offsite backup. The idea is if the...
03-28-20, 09:03 AM
Replies: 13
Views: 295
Posted By WizardOfBoz

+1 Why?

+1 Why?
03-26-20, 09:19 AM
Replies: 12
Views: 241
Posted By WizardOfBoz

BTW, others may be able to give you a good rule...

BTW, others may be able to give you a good rule of thumb for spoke tension if you tell them what wheel size and rim size/type and number of spokes/wheel that you are dealing with.

There's a blog...
03-25-20, 07:58 PM
Replies: 15
Views: 578
Posted By WizardOfBoz

Do members of this clube get an elevated rank for...

Do members of this clube get an elevated rank for a broken jaw and dirt scraped out of the chin (bone)?

Aha! I have it: "The Jawbone of an Ass" award.
03-25-20, 06:54 PM
Replies: 12
Views: 241
Posted By WizardOfBoz

Varies with rim strength. That is, each...

Varies with rim strength. That is, each manufacturer SHOULD publish data on maximum spoke tension for each rim. Some experts advise getting near to that tension. Or getting near the tension that...
03-24-20, 07:41 AM
Replies: 14
Views: 280
Posted By WizardOfBoz

Sheldon Brown thought it was relevant. The OP...

Sheldon Brown thought it was relevant. The OP stated that he had been a bit confused by this. Why would more info, that helped the OP, be irrelevant?


Aren't you answering your own question...
03-23-20, 08:22 PM
Replies: 14
Views: 280
Posted By WizardOfBoz

Be careful. This following is from Sheldon Brown...

Be careful. This following is from Sheldon Brown (a late expert whose website is legendary). If you have 26 x 2.2, you can use a 26 x 2.2, or x 2.0, or x 1.75. but as Sheldon pointed out, don't...
03-18-20, 01:15 PM
Replies: 11
Views: 214
Posted By WizardOfBoz

There are tools available to bend rotors (see...

There are tools available to bend rotors (see below - no experience with that specific one, it's just a "fer instance"). Although I do agree with Andrew: a "fine adjustment tool" (aka mallet) is not...
03-17-20, 07:20 AM
Replies: 8
Views: 406
Posted By WizardOfBoz

Hey, you did a nice job, so a little bragging is...

Hey, you did a nice job, so a little bragging is fine. Looks great. Hope you heal up and are able to ride it on the road soon.
03-14-20, 06:37 PM
03-12-20, 09:37 AM
Replies: 35
Views: 799
Posted By WizardOfBoz

So, first, pretty much all steels have similar...

So, first, pretty much all steels have similar stiffness, as defined by the modulus of elasticity. That is, how much does the steel deform (fractionally) per unit of stress applied.

But...
03-12-20, 09:13 AM
Replies: 35
Views: 799
Posted By WizardOfBoz

I think it would make servicing the wheel (e.g....

I think it would make servicing the wheel (e.g. for a flat) harder. Also, the skewer does not have as much of a cross section as many bolts.
03-09-20, 10:55 AM
Replies: 18
Views: 380
Posted By WizardOfBoz

I'm an extrovert, and work as a consultant mostly...

I'm an extrovert, and work as a consultant mostly out of my home. So I understand perfectly. This website (and one other, for machinists) is my "water cooler" and connection to people.

But now,...
03-09-20, 10:52 AM
Replies: 18
Views: 380
Posted By WizardOfBoz

An embarrassment of riches. How do you like the...

An embarrassment of riches. How do you like the Chupacubras? They're 3 inch, right?
03-09-20, 08:08 AM
Replies: 18
Views: 380
Posted By WizardOfBoz

So, not to be a jerk, but the web is your friend...

So, not to be a jerk, but the web is your friend and the manufacturer usually posts useful information (not always though!).

The Whisky 41 rim has a 35mm inner diameter and the optimal recommended...
03-07-20, 02:45 PM
Replies: 16
Views: 470
Posted By WizardOfBoz

My last "clatter in some gears but not others"...

My last "clatter in some gears but not others" was when I broke the Dura Ace cluster (some of the gears were triples, riveted, and the thing broke at the rivets) climbing a hill*. Something to check,...
03-07-20, 01:53 PM
Replies: 21
Views: 587
Posted By WizardOfBoz

I see a big hole in the front for cable housings....

I see a big hole in the front for cable housings. Are there small holes in the back for the cables themselves? Like this:?...
03-04-20, 10:16 AM
Replies: 7
Views: 237
Posted By WizardOfBoz

I would think slight differences in cone shape...

I would think slight differences in cone shape would alter the angle of the contact (these are formally angular contact bearings). Was the angle the same between brands?

I guess if you stick with...
03-04-20, 07:58 AM
Replies: 14
Views: 425
Posted By WizardOfBoz

To be a bit more responsive, I believe that...

To be a bit more responsive, I believe that Carnac shoes were proudly hand-made in France "one pair at a time". For this reason, I suspect that they folded due to economic non-viability. They...
03-04-20, 07:46 AM
Replies: 14
Views: 425
Posted By WizardOfBoz

Carnac the Magnificent died, sorry. ...

Carnac the Magnificent died, sorry.

https://www.youtube.com/watch?v=ZFQFf_Vb0Hw
03-02-20, 03:38 PM
Replies: 105
Views: 6,496
Posted By WizardOfBoz

If the bearings go directly into the frame then...

If the bearings go directly into the frame then the lateral misalignment would cause higher friction, premature bearing wear, and possible premature frame damage from the increased stress. If you...
03-02-20, 12:59 PM
Replies: 8
Views: 386
Posted By WizardOfBoz

Golly, that's right! But gee, this bent frame may...

Golly, that's right! But gee, this bent frame may point the way to a better bike design: it seems both stable and responsive.

And yes, there's a :thumb: attached to that.
03-02-20, 09:05 AM
Replies: 8
Views: 386
Posted By WizardOfBoz

Miele Man, one effect of your frame's...

Miele Man, one effect of your frame's deformation is less trail. They use to use less trail in racing bikes specifically to give them more responsive handling. That is, twitchier. For you,...
03-02-20, 08:41 AM
Replies: 6
Views: 505
Posted By WizardOfBoz

To help you, the experts here need more...

To help you, the experts here need more information. What brand PAS? Bottom bracket or crank/magnet? Picture?

You're new here and can't post a pic til your tenth post. For now, you can take a...
03-02-20, 08:33 AM
Replies: 105
Views: 6,496
Posted By WizardOfBoz

Aside from the flame wars (cheese and crackers,...

Aside from the flame wars (cheese and crackers, guys, give it up. No one's attacking you. The argument you are pouring passion into DOESN'T MATTER. Go for a ride!), I had one other observation.
...
03-01-20, 10:00 PM
Replies: 105
Views: 6,496
Posted By WizardOfBoz

When you think of it, if you make a bike with a...

When you think of it, if you make a bike with a bad fork, and it breaks in the wrong (i.e. worst) way, you are punishing the customer with castration.

Chris Titus is a comedian who talks about...
02-29-20, 10:34 AM
Replies: 105
Views: 6,496
Posted By WizardOfBoz

To get a better sense of this, I watched...

To get a better sense of this, I watched Hambini's review of Canyon. My thoughts:
1) Hambini has some technical knowledge. He claims to be an engineer, and some of the things he says support that....
02-29-20, 10:06 AM
Replies: 4
Views: 206
Posted By WizardOfBoz

Geen dank. Enjoy your ride.

Geen dank. Enjoy your ride.
02-29-20, 09:37 AM
Replies: 4
Views: 206
Posted By WizardOfBoz

The first thing to note is that both tires are...

The first thing to note is that both tires are labeled 622. That's an international standards (ERTRO). You can buy tires that are 622 ERTRO, or, in the more common parlance, 700c. 700c is 622 ERTRO....
02-28-20, 04:33 PM
Replies: 6
Views: 424
Posted By WizardOfBoz

Very nice - good thinking!

Very nice - good thinking!
02-28-20, 03:57 PM
Replies: 12
Views: 587
Posted By WizardOfBoz

You can do anything you want, but the aluminum...

You can do anything you want, but the aluminum gets to make it's choice about what IT wants to do, too. If you had access to a heat-treating facility, you could anneal, bend, and re-treat to T6....
02-28-20, 12:58 PM
Replies: 45
Views: 3,998
Posted By WizardOfBoz

You don't tighten your spokes to equal tension to...

You don't tighten your spokes to equal tension to five digits? :eek: How can you live with yourself?

Seriously, I just cut and past copied from a table (I don't keep pitch/frequecy tables...
02-28-20, 11:19 AM
Replies: 18
Views: 550
Posted By WizardOfBoz

With pneumatic, you need to have an adequate...

With pneumatic, you need to have an adequate compressor. My cheap Chinese compressor (I speak disparagingly, but it's lasted 10 years) is not up to the task. Hmmm. Were I wealthy, I'd install a...
02-28-20, 10:19 AM
Replies: 18
Views: 550
Posted By WizardOfBoz

Which is why my Dad had a job back in the 60s! A...

Which is why my Dad had a job back in the 60s! A modern Dumore Die Grinder below. A little like a Dremel, but the one shown will last a lifetime and has replaceable bearings and brushes, IIRC. Also...
02-28-20, 07:47 AM
Replies: 17
Views: 573
Posted By WizardOfBoz

I had the same initial thought but then came to...

I had the same initial thought but then came to the same conclusion. The point above seems correct to me. The one thing I could think of was that the 3x would transmit torque better. This would...
02-27-20, 10:24 PM
Replies: 18
Views: 550
Posted By WizardOfBoz

Here's a picture of rifflers, btw. Made by...

Here's a picture of rifflers, btw. Made by Grobet (good brand), sold by Gesswein (no connection to me). The tips are about an inch long.
...
02-27-20, 06:15 PM
Replies: 75
Views: 2,599
Posted By WizardOfBoz

Yes, well its kind of embarrassing to have such...

Yes, well its kind of embarrassing to have such an expensive set of tools given that I'm a piker in bike work. But I like good tools...
02-27-20, 03:44 PM
Replies: 18
Views: 550
Posted By WizardOfBoz

Yike's ramzilla, that approach can take a LOT of...

Yike's ramzilla, that approach can take a LOT of metal off in a hurry. The really precision metalworking guys (tool and diemakers, moldmakers) are super talented and have a lot of experience. They...
02-27-20, 12:23 PM
Replies: 75
Views: 2,599
Posted By WizardOfBoz

Good to know, pdlamb. I sure like their feel,...

Good to know, pdlamb. I sure like their feel, fit and finish. Probably not at all justified for my level of tinkering, but ... they're really nice.
02-27-20, 12:00 PM
Replies: 75
Views: 2,599
Posted By WizardOfBoz

I bought the Wera ball-end hex key set. Will...

I bought the Wera ball-end hex key set. Will give feedback if it delights or dissapoints. The fit and finish are nice so far. Before that I got a Park spoke gage. It rubbed, and Park sent me a...
02-27-20, 11:56 AM
Replies: 45
Views: 3,998
Posted By WizardOfBoz

Tune the front wheel spokes to 98Hz, and the...

Tune the front wheel spokes to 98Hz, and the non-drive side to 123.47, with the drive side at 146.83*. Clip baseball cards to your set stays and fork tubes to pluck the spokes, and you're a rolling...
02-25-20, 09:40 PM
Replies: 17
Views: 347
Posted By WizardOfBoz

Take a piece of paper about 100mm x 40mm. roll...

Take a piece of paper about 100mm x 40mm. roll it up around the long dimension. Put it in the stem and push the paper inside the stem with your finger to unroll the paper, tight against the outside...
02-25-20, 08:13 PM
Replies: 20
Views: 615
Posted By WizardOfBoz

This^^^^ Slight pitting might be restored by...

This^^^^

Slight pitting might be restored by the method Mad Honk suggests. The pitting in the cones shown is severe: I don't think that one or two thousandths of an inch (2.5 to 5 hundredths of a...
02-25-20, 04:02 PM
Replies: 11
Views: 328
Posted By WizardOfBoz

Then the hose clamps suggested by dsbrantjr will...

Then the hose clamps suggested by dsbrantjr will be your best guide. Put two on, separated by 2mm or so. Then cut by keeping the saw blade in between them. You could even keep one on to guide your...
Showing results 1 to 50 of 1000
 


 
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