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Search: Posts Made By: wphamilton
Showing results 1 to 50 of 368
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Forum: Advocacy & Safety
03-07-21, 08:57 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Possibly both of those. Whatever the reasons,...

Possibly both of those. Whatever the reasons, after Australia imposed mandatory helmet laws, and then made them more stringent, we have some data about that. Some of the participation data is...
Forum: Advocacy & Safety
03-01-21, 01:56 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Close enough, no argument from me. I involve...

Close enough, no argument from me. I involve myself here mainly just to provide objective facts and reason, as much as I'm able, and people are going to make up their own minds about what to do with...
Forum: Advocacy & Safety
02-03-21, 11:05 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Why is the thread dead? Did everyone decide to...

Why is the thread dead? Did everyone decide to agree?

Mods, I guess you can unsticky and close this now :)
Forum: Advocacy & Safety
12-28-20, 10:02 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

It's funny when I peak under "This user is on...

It's funny when I peak under "This user is on your Ignore List." and it's always the same comment, with variations in phrasing.
Forum: Advocacy & Safety
12-26-20, 08:30 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I am explaining - not arguing actually - that we...

I am explaining - not arguing actually - that we don't know *enough* about the cycling habits, not that we don't know something "exactly". The available data might fit either hypothesis.

If for...
Forum: Advocacy & Safety
12-25-20, 08:09 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

"Speeds are low" is another example of...

"Speeds are low" is another example of assumptions based on too little, and too general. We don't actually know what the "speeds" are in the US. We also don't know how those speeds are distributed...
Forum: Advocacy & Safety
12-25-20, 01:38 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Bad choice of words on my part, because I'm not...

Bad choice of words on my part, because I'm not talking about statistics. Just the multiplying of variables each having a measure of uncertainty.

The statement you ask about is more correct, but...
Forum: Advocacy & Safety
12-24-20, 04:07 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

We'd be multiplying too many uncertainties in...

We'd be multiplying too many uncertainties in that chain, for it to be reasonable to me. The confidence interval shrinks to almost nothing (meaning we wouldn't know that the answer was right or even...
Forum: Advocacy & Safety
12-23-20, 10:55 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

What is the average trip distance in The...

What is the average trip distance in The Netherlands and the US? You can't correctly quantify exposure without it, when you're citing the number of trips.
Forum: Advocacy & Safety
11-29-20, 12:15 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Why so serious? He was being sardonic about the...

Why so serious? He was being sardonic about the liability disclaimers, which I take to be at least partly acknowledging the points. And objectively Glenn was sort of drawn in to the arguments after...
Forum: Advocacy & Safety
11-29-20, 09:46 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

The problem with your analogies is the vastly...

The problem with your analogies is the vastly different probability, which was the point that I unsuccessfully tried to get across.

It's so unlikely to have a bike accident and a traumatic brain...
Forum: Advocacy & Safety
11-27-20, 08:57 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Do you still care about their choice the 999+...

Do you still care about their choice the 999+ times out of a thousand when nothing happens and they're not wearing a helmet?

Should we care about their choice to ride a bike in the first place,...
Forum: Advocacy & Safety
08-04-20, 08:14 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

OK. They're excellent reasons for other cyclists....

OK. They're excellent reasons for other cyclists.



Do you commute in 90° with 80% humidity in the morning? Yes, as soon as you stop, you'll start to sweat and likely profusely. While you're...
Forum: Advocacy & Safety
08-02-20, 09:51 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I'll do that in three situations, maybe more that...

I'll do that in three situations, maybe more that have slipped my mind.

1. I'm near the end of a commute, stopped at a light in the Summer morning sunshine, and don't want to walk in with a sweaty...
Forum: Advocacy & Safety
04-04-20, 08:32 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

It probably does make a neck injury more likely,...

It probably does make a neck injury more likely, but to a very slight degree compared to protecting your face. We dislike full facemasks because we need the breeze to keep cool.
Forum: Advocacy & Safety
01-03-20, 11:44 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Looking sharp! :thumb:

Looking sharp! :thumb:
Forum: Advocacy & Safety
09-25-19, 01:37 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

How does pointing out 6 times better safety...

How does pointing out 6 times better safety without helmets translate to an assumption that helmets are important, let alone hugely overestimate them?
Forum: Advocacy & Safety
09-25-19, 01:30 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Too hot, not much to wonder about. I...

Too hot, not much to wonder about.



I haven't hit my head on a low-slide but I've hurt other things. I've also landed on my feet. Reflexes are hit and miss for that. I'm going to go with...
Forum: Advocacy & Safety
09-25-19, 10:21 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I don't think you're ever going to agree with me....

I don't think you're ever going to agree with me. But think about this part at least. The time it takes to move forward a foot or two, at 20 feet per second, is far less than the time it takes to...
Forum: Advocacy & Safety
09-25-19, 06:02 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

No it doesn't. A half to full second until you...

No it doesn't. A half to full second until you hit the ground is plenty of time while in a fifteenth of a second, almost no one can react.



I did a few years ago, and once a few years before...
Forum: Advocacy & Safety
09-24-19, 08:06 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

It's all but meaningless. Six inches further...

It's all but meaningless. Six inches further forward? A foot? At a sedate 12 mph you'd go over the handlebars at 1/15 a second faster if you're leaning forward and the bike stops. I know, you said...
Forum: Advocacy & Safety
09-24-19, 02:50 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

That goes without saying, the helmet mitigates...

That goes without saying, the helmet mitigates impact to the skull.





It absolutely is the likely way to fall on a slide-out. You will hit the ground in under a second, possibly in as...
Forum: Advocacy & Safety
09-23-19, 03:57 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

We can't really pretend it away, that the...

We can't really pretend it away, that the Netherlands are safer for cyclists. Bicycle fatality rate in the US is 1.5 to over 3 times as much as in the Netherlands, depending on whether you normalize...
Forum: Advocacy & Safety
09-23-19, 11:45 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

To be clear, it's well established that a bike...

To be clear, it's well established that a bike helmet does mitigate the impact to your head in the event of a crash. It does reduce the risk of TBI, and by a significant percentage.



Have you...
Forum: Advocacy & Safety
09-23-19, 08:01 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

How about "because I judged the risk"? I do wear...

How about "because I judged the risk"? I do wear a helmet when for some reason or another I see greater risk of a fall on that particular day, so I'd be the last person to argue against "I'm willing...
Forum: Advocacy & Safety
09-16-19, 08:12 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I think I mentioned vehicle speed and...

I think I mentioned vehicle speed and infrastructure in that part you quoted - and that's really my point. With the right infrastructure - where you ride - there's no reason to not expect that same...
Forum: Advocacy & Safety
09-16-19, 06:11 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

"Even though nobody wears bike helmets in the...

"Even though nobody wears bike helmets in the Netherlands, the fatality rate there is six times smaller than that of the United States." - which is attributed to a universal speed limit of 30kph...
Forum: Advocacy & Safety
05-29-19, 07:42 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

When more people are cycling, it becomes safer...

When more people are cycling, it becomes safer because drivers become accustomed to them and adjust their behavior accordingly. Secondly, it tends to encourage cycling infrastructure which also...
Forum: Advocacy & Safety
05-23-19, 01:34 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

It happens. Although it's rare, there is a CPSC...

It happens. Although it's rare, there is a CPSC warning due to strangulations:
https://helmets.org/playgrou.htm
Forum: Advocacy & Safety
05-09-19, 03:52 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

He was being facetious. (His chart is credible...

He was being facetious. (His chart is credible BTW). I took it to mean, if you accept the reasoning that it's necessary for any rational person to wear a helmet whenever cycling, because of the...
Forum: Advocacy & Safety
04-02-19, 11:23 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

You can't miss every time - so far I have missed...

You can't miss every time - so far I have missed every time, but random chance or daydreaming could catch anyone, at any time. How much risk is added by the helmet by potentially addition impacts? ...
Forum: Advocacy & Safety
04-01-19, 03:28 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Thank you, this is a valid contention. At least...

Thank you, this is a valid contention. At least to some degree. The practices ARE choreographed and they do them all at about half-speed, which I personally found annoying. Some people I'm sure...
Forum: Advocacy & Safety
03-31-19, 03:55 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

If you were really at all familiar with Aikido,...

If you were really at all familiar with Aikido, or with Judo if that's your preference, you would know that the techniques work just as well falling from a bicycle, off a chair, or slipping on...
Forum: Advocacy & Safety
03-31-19, 01:37 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

"Falls and rolls", not bike crashes. ...

"Falls and rolls", not bike crashes.



Not at all, I could care less how effective Aikido is as a martial art. Protecting yourself from falls, which is all we're talking about, it is excellent....
Forum: Advocacy & Safety
03-30-19, 03:55 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I'll give you the benefit of the doubt, and...

I'll give you the benefit of the doubt, and assume you didn't misread "Aikido is almost always practiced on mats".

So your implication is that someone should be "simulating crashes" with a...
Forum: Advocacy & Safety
03-29-19, 02:26 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I wasn't going to respond to your current remarks...

I wasn't going to respond to your current remarks ... but here you're just expressing an opinion without knowledge of the subject.

1. We often practice on other surfaces, and in recent years I've...
Forum: Advocacy & Safety
03-28-19, 11:21 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Again, you're making no sense whatsoever because...

Again, you're making no sense whatsoever because I haven't claimed that wearing a helmet is detrimental due to more impacts. *I* don't have any need to prove that. In fact, if you insist on MY...
Forum: Advocacy & Safety
03-28-19, 09:53 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

At the risk of belaboring the obvious, when you...

At the risk of belaboring the obvious, when you bump your helmet, you bump your head inside the helmet. Your head experiences an impact. You aren't bringing up any new point in this discussion.
...
Forum: Advocacy & Safety
03-28-19, 07:29 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

It is absolutely helpful, more so than wearing a...

It is absolutely helpful, more so than wearing a helmet in some respects. But he's just veering off on a wild tangent instead of answering a basic question: why he thought the width of a helmet would...
Forum: Advocacy & Safety
03-27-19, 05:26 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Did someone tell you that I was saying that...

Did someone tell you that I was saying that helmet laws reduce interest? Or did you make that up out of desperation?



Did I say that people should all generally learn Aikido before getting on...
Forum: Advocacy & Safety
03-27-19, 06:02 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Aikido- learning how to hit the ground without...

Aikido- learning how to hit the ground without getting hurt. Without hitting your head. It is relevant to cycling for the same reason helmets are, and relevant to the discussion because the...
Forum: Advocacy & Safety
03-23-19, 10:13 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Why wouldn't you think that the extra two inches...

Why wouldn't you think that the extra two inches makes it more likely to bump on the ground? I'm pretty confident of it, based on 4-5 years of Aikido training which involves tumbling and roll...
Forum: Advocacy & Safety
03-23-19, 09:10 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

* I hadn't noticed that Avole had been...

* I hadn't noticed that Avole had been permanently banned when I finally got around to responding to him. So I have removed my response here. Wasted bandwidth, sorry.
Forum: Advocacy & Safety
02-15-19, 09:57 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Is it that hard to follow: if "common sense"...

Is it that hard to follow: if "common sense" tells me that a helmet may be needed more for driving than cycling, and yet I don't wear one driving, it follows that I want to wear one cycling even...
Forum: Advocacy & Safety
02-14-19, 04:17 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I don't wear a helmet when driving - that would...

I don't wear a helmet when driving - that would be silly because the risk is so slight.
Forum: Advocacy & Safety
02-14-19, 09:58 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Looking at ER data, the surprising answer is that...

Looking at ER data, the surprising answer is that even with all of the automobile safety features, the chances of an intracranial injury is about the same whether you're in the vehicle or on the...
Forum: Advocacy & Safety
02-12-19, 02:00 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I get along with that opinion just fine :thumb:...

I get along with that opinion just fine :thumb: BTW it's probably closer to helping (intracranial injury) by 50% than by 1%.

And likewise if someone wants to wear pointless gear because they...
Forum: Advocacy & Safety
02-12-19, 09:19 AM
Replies: 3,929
Views: 479,496
Posted By wphamilton

On a per-accident basis, is it more likely in the...

On a per-accident basis, is it more likely in the car or on the bike to suffer a brain injury?

Your last sentence is spot on by the way; it is the likelihood of an accident with injury that should...
Forum: Advocacy & Safety
02-11-19, 07:13 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

I'm curious about something, regarding that...

I'm curious about something, regarding that common sense. 79pmooney also please answer if you're interested.

Compare the two situations: you suffer an accident in a car while driving or as a...
Forum: Advocacy & Safety
02-11-19, 01:33 PM
Replies: 3,929
Views: 479,496
Posted By wphamilton

Since you want to persist in badmouthing him, and...

Since you want to persist in badmouthing him, and myself as well, and since you have declined to address either facts or logic, I doubt that there is anything worthwhile to be explored here. Sorry...
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