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Search: Posts Made By: RobertHurst
Forum: Advocacy & Safety 04-11-14, 09:33 AM
Replies: 18
Views: 920
Posted By RobertHurst
You don't ever drink alcohol or coffee then?

You don't ever drink alcohol or coffee then?
Forum: Advocacy & Safety 01-01-14, 11:21 PM
Replies: 32
Views: 1,110
Posted By RobertHurst
I don't know if it's just classic human laziness...

I don't know if it's just classic human laziness or something deeper. People like to shovel the responsibility for their personal safety onto others. In traffic, there are plenty of others.

You...
Forum: Advocacy & Safety 11-04-13, 11:00 AM
Replies: 119
Views: 9,817
Posted By RobertHurst
Some can, some can't. Many can't. My '70 Chevy...

Some can, some can't. Many can't. My '70 Chevy pickup certainly can't come close to that.

So -- can a bicyclist stop faster than a car? Yes, it is possible, but it depends on the car and depends...
Forum: Advocacy & Safety 11-04-13, 10:57 AM
Replies: 119
Views: 9,817
Posted By RobertHurst
This thread is a frightening reminder of the way...

This thread is a frightening reminder of the way humans cling to their beliefs even after they've been proven wrong.
Forum: Advocacy & Safety 11-04-13, 10:55 AM
Replies: 119
Views: 9,817
Posted By RobertHurst
Okay then. The "laws of physics" dictate...

Okay then.

The "laws of physics" dictate that you will endo your bicycle when attempting a .7-g stop.

Anybody who can stop shorter than 20 feet from 20 mph must be a witch.
Forum: Advocacy & Safety 11-03-13, 11:02 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
Why don't you read the rest of the thread, friend.

Why don't you read the rest of the thread, friend.
Forum: Advocacy & Safety 11-03-13, 10:59 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
The claim that has been disproven, waaaaay beyond...

The claim that has been disproven, waaaaay beyond a shadow of a doubt, is that bikes will endo at .6 -.7 g maximum. You don't even need a physical experiment to prove that. (As Joe Riel showed, just...
Forum: Advocacy & Safety 11-03-13, 07:33 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
People will be repeating the braking-related...

People will be repeating the braking-related nonsense in that book and in Forester's book for decades I guess, even though the claims have been long disproven beyond a shadow of a doubt.

The...
Forum: Advocacy & Safety 11-02-13, 12:35 AM
Replies: 119
Views: 9,817
Posted By RobertHurst
Yah, if you're thinking about how to do it it's...

Yah, if you're thinking about how to do it it's too late.

"Only when it is known in the mind can the body know it; but knowing with the body is superior to knowing with the mind." -- Wu...
Forum: Advocacy & Safety 11-02-13, 12:30 AM
Replies: 119
Views: 9,817
Posted By RobertHurst
What is the deal around here. Is this thing on??

What is the deal around here. Is this thing on??
Forum: Advocacy & Safety 11-01-13, 11:59 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
No, the max stop is performed by throwing the...

No, the max stop is performed by throwing the weight during the (short) moment of actual braking, to counter the force that is trying to throw the body forward. If you start with the weight already...
Forum: Advocacy & Safety 11-01-13, 09:45 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
Please stop spreading baseless lies about bicycle...

Please stop spreading baseless lies about bicycle riding.
Forum: Classic & Vintage 11-01-13, 09:32 PM
Replies: 18
Views: 534
Posted By RobertHurst
Footpeg for coasting.

Footpeg for coasting.
Forum: Advocacy & Safety 11-01-13, 04:37 PM
Replies: 77
Views: 2,728
Posted By RobertHurst
These claims were disproved long ago by a simple...

These claims were disproved long ago by a simple physical experiment which your sources never bothered to perform.




... same with bikes. It's a simple experiment.
Forum: Advocacy & Safety 11-01-13, 04:21 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
This is an easy experiment and I'd encourage...

This is an easy experiment and I'd encourage anybody who's been proclaiming on the subject to give it a try, or else cease their proclaiming. Bicycle, calibrated speedometer, tape measure. Maybe put...
Forum: Advocacy & Safety 10-30-13, 03:48 PM
Replies: 119
Views: 9,817
Posted By RobertHurst
Depends on the car, and how and when you move...

Depends on the car, and how and when you move your body mass while braking, and how good of a feel you have for the front brake.
Forum: Advocacy & Safety 10-30-13, 03:36 PM
Replies: 77
Views: 2,728
Posted By RobertHurst
Max deceleration on an upright bike is .85-.89...

Max deceleration on an upright bike is .85-.89 g's. Max deceleration of upright bike if rider remains static and seated is .6-.7 g's.
Forum: Advocacy & Safety 09-20-13, 09:27 PM
Replies: 28
Views: 1,271
Posted By RobertHurst
If there was a UPS van ahead, couldn't you...

If there was a UPS van ahead, couldn't you anticipate that he might swerve out into your path to avoid it?

Good thing you weren't a Prius eh.

Thinking of these things in terms of fault and...
Forum: Advocacy & Safety 09-20-13, 09:08 PM
Replies: 112
Views: 4,994
Posted By RobertHurst
I am sorry to report this statement is false. A...

I am sorry to report this statement is false. A driver could fail to notice, or "look through" a strobe light, any light.

And that's if they happen to be looking in the direction of the light,...
Forum: Advocacy & Safety 09-16-13, 01:19 PM
Replies: 17
Views: 574
Posted By RobertHurst
Keep in mind that no matter what you wear or...

Keep in mind that no matter what you wear or which lights you use, you could be overlooked by drivers, and ride accordingly.
Forum: Advocacy & Safety 09-07-13, 12:22 PM
Replies: 48
Views: 1,403
Posted By RobertHurst
Since Portland has way more than twice as many...

Since Portland has way more than twice as many cyclists per 100000 residents than the national average, it would seem that Portland is a particularly safe place to ride relatively speaking. Maybe we...
Forum: Advocacy & Safety 09-05-13, 01:37 PM
Replies: 48
Views: 1,403
Posted By RobertHurst
How many cycling fatalities have there been in...

How many cycling fatalities have there been in Portland in the past decade?
Forum: Advocacy & Safety 09-01-13, 11:28 PM
Replies: 9
Views: 436
Posted By RobertHurst
You'll get used to it. In the meantime, the...

You'll get used to it.

In the meantime, the thing is a lot wider than you might realize. Be really careful getting too close to parked cars and curbs, retaining walls and such. Notice how it...
Forum: Advocacy & Safety 08-30-13, 12:46 PM
Replies: 92
Views: 2,452
Posted By RobertHurst
Such responses make me wonder if J Forester has...

Such responses make me wonder if J Forester has any clue at all why collisions occur.
Forum: Advocacy & Safety 08-30-13, 12:38 PM
Replies: 92
Views: 2,452
Posted By RobertHurst
Both????? Both??????????? I think you just...

Both????? Both???????????

I think you just blew my mind.
Showing results 1 to 25 of 500

 
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