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Search: Posts Made By: wphamilton
Showing results 1 to 50 of 121
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08-05-20, 11:44 AM
Replies: 183
Views: 7,755
Posted By wphamilton

I sense that there is a fundamental...

I sense that there is a fundamental misunderstanding about what the coefficient of friction really is, so I'm not going into it more than very briefly.

It is an empirical observation only. It is...
08-02-20, 10:04 AM
Replies: 34
Views: 995
Posted By wphamilton

It's good training for the locals in driving...

It's good training for the locals in driving around bicycles. Change lanes to pass when it's clear, just like everyone else.
08-02-20, 09:58 AM
Replies: 99
Views: 5,853
Posted By wphamilton

Yes. No. No one really cares, and people expect...

Yes. No. No one really cares, and people expect us to roll through, so I got over wanting to be perfect with the traffic code at stop signs a long time ago.

I'm not going to blast through in front...
04-20-20, 05:18 PM
Replies: 77
Views: 3,680
Posted By wphamilton

Frankly it's never been medical wisdom that masks...

Frankly it's never been medical wisdom that masks (other than N95) don't help. Certain elements of the CDC put that out - briefly - because they wanted to avoid a run on masks. And even then, they...
04-17-20, 05:24 AM
Replies: 4
Views: 293
Posted By wphamilton

It takes a while to adapt, the time depending on...

It takes a while to adapt, the time depending on our core strength, flexibility,how much we ride and the duration of rides, and what we want to get from it. Longer at our age unfortunately. I am...
04-15-20, 05:08 AM
Replies: 23
Views: 645
Posted By wphamilton

GUTR sweatband, the rubbery plastic gutter...

GUTR sweatband, the rubbery plastic gutter channels your sweat away from your forehead and eyes. Fabric headbands get saturated and eventually just dump it all in my face,
Forum: Road Cycling
04-11-20, 08:12 AM
Replies: 69
Views: 4,561
Posted By wphamilton

Technically "roadway" is the portion of the road...

Technically "roadway" is the portion of the road used for normal vehicular traffic, and the shoulder is not part of that.

In practice, if the shoulder is clear I'd be riding on it and glad of it.
Forum: Commuting
04-03-20, 09:13 AM
Replies: 19
Views: 1,241
Posted By wphamilton

I've got a feeling that some of these changes...

I've got a feeling that some of these changes we're experiencing now are going to be permanent. Since my work function has no real reason for an office, other than oversight, I doubt that I'll be...
03-31-20, 01:48 PM
Replies: 114
Views: 4,666
Posted By wphamilton

In a sense, "social distancing" IS cavalier...

In a sense, "social distancing" IS cavalier behavior towards coronavirus, Not the individuals who are just doing what we're directed to do, but the whole approach.

Our State government officials...
03-26-20, 09:33 AM
Replies: 240
Views: 13,119
Posted By wphamilton

It was more than that for an ambulance ride to...

It was more than that for an ambulance ride to another hospital - because the hospital that my insurance company insisted on didn't have ICU capability for a chest tube. ER itself would have been...
03-23-20, 10:16 AM
Replies: 19
Views: 855
Posted By wphamilton

That time will come soon enough naturally, that I...

That time will come soon enough naturally, that I don't have to turn anyone out. I plan on having a protracted discussion about solving their emergency next time - because surely there must be one -...
Forum: Commuting
03-22-20, 07:50 AM
Replies: 23
Views: 1,899
Posted By wphamilton

The.pumps I carry just aren't going to get enough...

The.pumps I carry just aren't going to get enough pressure in the tire for a pressure gauge to matter. Ride light until you get home and pinch flats won't be a problem.

and I ditto what Russ said...
03-21-20, 06:03 PM
Replies: 471
Views: 30,370
Posted By wphamilton

I don't usually wave, but today I hopped on my...

I don't usually wave, but today I hopped on my road bike for a quick trip to the convenience store. Blue jeans, rain jacket, no helmet. Hardly any traffic, pandemic and all, but this roadie coming...
03-21-20, 07:20 AM
Replies: 15
Views: 700
Posted By wphamilton

That's been pretty mainstream for awhile now but...

That's been pretty mainstream for awhile now but I'd like to offer two points in mitigation:

1. The weakening of immune system applies to "extreme" endurance exercise. Ultra-marathon training. ...
Forum: Commuting
03-15-20, 08:31 AM
Replies: 45
Views: 4,007
Posted By wphamilton

good question, and if it's android and set up...

good question, and if it's android and set up with Google you don't even need an app
https://www.google.com/android/find?hl=en&u=0 to locate the phone, at least to the point where the battery is...
03-14-20, 08:38 PM
Replies: 276
Views: 14,926
Posted By wphamilton

Speaking of "pure math", fitting these to a...

Speaking of "pure math", fitting these to a parametric equation it's exponential. Projecting it to 6 weeks would predict 8 million people infected.
03-13-20, 05:09 AM
Replies: 44
Views: 2,272
Posted By wphamilton

For me when it's cold and raining it's only...

For me when it's cold and raining it's only commuting rides and the "how" is that it's only 30-40 minutes. I stay warm enough from the effort even soaked (I have no real rain gear), for that short a...
Forum: Road Cycling
03-12-20, 08:33 PM
Replies: 43
Views: 1,438
Posted By wphamilton

I've always coasted left-foot forward, downhill...

I've always coasted left-foot forward, downhill or otherwise. Sheldon Brown claimed that it's slightly less strain on the drive train left forward, which was gratifying to learn if essentially...
03-07-20, 10:09 AM
Replies: 52
Views: 2,939
Posted By wphamilton

LDL is right - it's how fast the chain is pulled...

LDL is right - it's how fast the chain is pulled (links per second) and how many teeth on the pulley gear. You only need to know one other gear and its rotation speed for that. Just ignore the rear...
03-07-20, 10:02 AM
Replies: 60
Views: 2,428
Posted By wphamilton

Cell tower pings can locate you, just not as well...

Cell tower pings can locate you, just not as well as GPS. Also wifi, if there are enough wifi networks wherever you are. I think* Google gets that location information also, even if GPS is turned...
03-07-20, 09:39 AM
Replies: 60
Views: 2,428
Posted By wphamilton

I don't mind at all - in fact the only reasons I...

I don't mind at all - in fact the only reasons I bring my phone are for tracking and receiving messages.

Airplane mode isn't the answer. Turn off location services if you don't want tracking....
03-07-20, 08:24 AM
Replies: 52
Views: 2,939
Posted By wphamilton

Grease? Why would you not just use a drop of oil...

Grease? Why would you not just use a drop of oil on plain pulley bearings?
Forum: Commuting
02-29-20, 07:56 AM
Replies: 64
Views: 4,961
Posted By wphamilton

I hear that - different traffic means different...

I hear that - different traffic means different practices. All residential streets are isolated off of the through streets here so I never take one, commuting.

It's the bike boxes that finally...
Forum: Commuting
02-28-20, 06:38 AM
Replies: 64
Views: 4,961
Posted By wphamilton

If there's room for them to drive past you,...

If there's room for them to drive past you, there's room for you to ride past them- lane sharing is the same as two travel lanes. It's not being a jerk any more than they were being jerks to pass...
02-22-20, 07:27 AM
Replies: 92
Views: 4,271
Posted By wphamilton

In rough strokes, 56 million Americans ran or...

In rough strokes, 56 million Americans ran or jogged in 2017, and about 19 million ran in a race. So 1/3 overall could be said to be training for races. I would surmise that runners on the road are...
Forum: Commuting
02-21-20, 07:09 AM
Replies: 480
Views: 18,804
Posted By wphamilton

It was my first bike commute to my new job - it's...

It was my first bike commute to my new job - it's been flooding here so I wanted to drive until I got a full access badge to sneak in and change if necessary. Otherwise an executive had to come...
02-16-20, 11:45 AM
Replies: 17
Views: 707
Posted By wphamilton

I wouldn't be concerned about the hills with that...

I wouldn't be concerned about the hills with that gearing, especially if you used the 30/21 configuration. There's a lot to be said for using a fixed gear for commuting.
02-14-20, 02:45 PM
Replies: 19
Views: 1,052
Posted By wphamilton

Thanks. I have high hopes for it not wearing out...

Thanks. I have high hopes for it not wearing out too quickly. I have a hook-and-belt arrangement on my regular commuter bike which got pretty tattered after a couple of years.

As an aside, if...
02-14-20, 11:33 AM
Replies: 19
Views: 1,052
Posted By wphamilton

Unfortunately some stuff you can't put on the...

Unfortunately some stuff you can't put on the cloud, or your personal laptop or USB stick. I can't even VPN except on company equipment, so I have no choice but to carry it back and forth.
02-14-20, 11:20 AM
Replies: 19
Views: 1,052
Posted By wphamilton

The seat post rack is just a generic sort of...

The seat post rack is just a generic sort of aluminum rack from Amazon (Ventura Rear Rack) rated for light loads - 22 pounds - but more than enough for regular purposes.

The seat stay clamp...
02-13-20, 09:46 PM
Replies: 19
Views: 1,052
Posted By wphamilton

It's not about looking like a road bike when...

It's not about looking like a road bike when commuting- it's about having a road bike when you're not commuting. And actual panniers, that's just way too much for a commute, whether or not you have...
02-13-20, 02:25 PM
Replies: 19
Views: 1,052
Posted By wphamilton

My Road Bike Laptop Carrier

Every year it comes up: how can I carry a laptop on my road bike, if I can't or don't want to install a full rear rack, panniers, or otherwise besmirch the "road bike" aspect? Or paying big bucks for...
Forum: Road Cycling
02-04-20, 08:05 PM
Replies: 91
Views: 6,906
Posted By wphamilton

Seems like it's way up in Georgia, at least from...

Seems like it's way up in Georgia, at least from 12 years ago when I started. You won't find many segments like that in this area.
Forum: Commuting
01-27-20, 03:37 PM
Replies: 480
Views: 18,804
Posted By wphamilton

Looks like I'm commuting again, in an odd twist...

Looks like I'm commuting again, in an odd twist to the same place! Unless there's snafu in the paperwork and red tape I'll be a consultant for the parent company of the one I just left!

Only...
Forum: Foo
12-08-19, 12:03 PM
Replies: 49
Views: 1,256
Posted By wphamilton

It's traditional for Apple fans to gripe about...

It's traditional for Apple fans to gripe about losing the audio jack but (not a great Apple fan) they got that right as far as I'm concerned.

I'll grant that I like the port for the ubiquitous USB...
Forum: Road Cycling
12-07-19, 06:33 PM
Replies: 129
Views: 8,895
Posted By wphamilton

New wheels, carbon fiber frame, and the latest...

New wheels, carbon fiber frame, and the latest and greatest drive train will buy you close to zero more speed. It would gain some proportional to the fraction of weight saved and grade of incline, on...
12-05-19, 10:04 AM
Replies: 16
Views: 769
Posted By wphamilton

Wouldn't a stiff link or gummed up pulley cause...

Wouldn't a stiff link or gummed up pulley cause that?
12-03-19, 07:59 PM
Replies: 179
Views: 11,153
Posted By wphamilton

Jumping the practice green on an off-road 250cc...

Jumping the practice green on an off-road 250cc was my first seriously bad crash when I was a junior in HS. Another time I hit a 2-foot ridge in the middle of the fairway on the ninth, going way too...
11-22-19, 10:09 PM
Replies: 118
Views: 9,864
Posted By wphamilton

Yeah the long tail in the back of aero helmets...

Yeah the long tail in the back of aero helmets would be problematic it they hit the ground. I was thinking more simply, of the regular bike helmets, with I believe a smaller cross section facing the...
11-22-19, 01:35 PM
Replies: 118
Views: 9,864
Posted By wphamilton

The one-time hit and comfort are driving factors...

The one-time hit and comfort are driving factors in design of these foam bike helmets. Also, the anticipated speed is often cited but take that with a grain of salt. I don't know about you, but I am...
11-21-19, 05:05 PM
Replies: 118
Views: 9,864
Posted By wphamilton

If you leave styrofoam out in the sun, eventually...

If you leave styrofoam out in the sun, eventually the exposed parts will get brown/yellow and dusty. The dust is surface damage - however much turned to dust is how much the helmet is degraded. One...
11-21-19, 12:57 PM
Replies: 118
Views: 9,864
Posted By wphamilton

Geeksplaining not mansplaining. It's just an FYI...

Geeksplaining not mansplaining. It's just an FYI because I'm constantly seeing among other things:

1. Replace your helmet if it's dropped, it might be cracked!
2. Sunlight degraded your helmet...
11-21-19, 09:45 AM
Replies: 51
Views: 6,287
Posted By wphamilton

The question makes sense from the perspective of...

The question makes sense from the perspective of needing something to get around on and how much that costs. Don't forget to factor in the batteries which have to be replaced after enough charge...
11-20-19, 02:47 PM
Replies: 179
Views: 11,153
Posted By wphamilton

You're just fooling with me aren't you? The...

You're just fooling with me aren't you? The forward path is certainly parallel to the flat ground. The vertical path is towards the Earth's center. The resultant velocity - magnitude and direction -...
11-18-19, 02:59 PM
Replies: 41
Views: 5,613
Posted By wphamilton

If those toilets cost as much as a new car, as in...

If those toilets cost as much as a new car, as in the case of a surface parking lot, or a good portion of a new house as in parking garages, and needed to be expensively redone in 5-10 or 20-40 years...
11-18-19, 10:51 AM
Replies: 41
Views: 5,613
Posted By wphamilton

I'm one of those people. Like anyone else I hate...

I'm one of those people. Like anyone else I hate paying for parking, but one way or the other we still pay for it. And just replacement and maintenance of parking spaces costs us plenty.

...
11-14-19, 10:26 AM
Replies: 124
Views: 9,838
Posted By wphamilton

Speed and time does not relate very precisely to...

Speed and time does not relate very precisely to effort (energy expended, and the duration). You're referring to training methods; I am referring to a measurement that people find useful in...
11-12-19, 09:11 PM
Replies: 142
Views: 17,182
Posted By wphamilton

Single speed freewheel system doesn't suck. The...

Single speed freewheel system doesn't suck. The gearing might suck, but the transmission is as good as it gets.
11-11-19, 01:39 PM
Replies: 142
Views: 17,182
Posted By wphamilton

Drive shaft systems eventually require...

Drive shaft systems eventually require maintenance and it's time consuming and expensive compared to derailleur drive trains. Basically you don't save any time or money, you just put it off.

That,...
11-03-19, 12:34 PM
Replies: 71
Views: 5,685
Posted By wphamilton

At least that's something, but there are a lot of...

At least that's something, but there are a lot of things that can cause a 4 minute difference between a couple of rides, that can't be blamed on the bikes.

The point I'm making is that if you try...
Showing results 1 to 50 of 121
 


 
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