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Search: Posts Made By: wphamilton
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07-16-19, 07:00 PM
Replies: 31
Views: 3,162
Posted By wphamilton

You're making no sense, but that's your...

You're making no sense, but that's your prerogative I guess. I'm cool with that.
07-16-19, 12:43 PM
Replies: 53
Views: 4,994
Posted By wphamilton

Try screwing the B-screw in from the inside,...

Try screwing the B-screw in from the inside, rather than the outside, to get a little more adjustment out of it.
07-16-19, 12:12 PM
Replies: 31
Views: 3,162
Posted By wphamilton

I consider improving maximal oxygen uptake a...

I consider improving maximal oxygen uptake a normal part of fitness training. Not to "max out your fitness" as you put it. Completely different IMO.
07-16-19, 07:08 AM
Replies: 31
Views: 3,162
Posted By wphamilton

Increase maximal oxygen uptake capacity. Fitness...

Increase maximal oxygen uptake capacity. Fitness is an end in itself.
07-15-19, 05:17 PM
Replies: 43
Views: 1,320
Posted By wphamilton

Different gears, start of the ride and later?

Different gears, start of the ride and later?
07-14-19, 08:10 AM
Replies: 17
Views: 618
Posted By wphamilton

I don't know which one you mean but this one has...

I don't know which one you mean but this one has worked great for me. It was more of a splurge than "cheap" from my perspective, but cheaper than some I guess.
...
07-14-19, 08:04 AM
Replies: 43
Views: 1,320
Posted By wphamilton

It's a few dollars more if you don't replace the...

It's a few dollars more if you don't replace the chains. Assuming $8-$9 chains and $15 cassettes and my usual wear and tear.

It's only a few dollars though, and I don't bother scrubbing my chains...
07-12-19, 07:27 AM
Replies: 43
Views: 1,320
Posted By wphamilton

I thought I did give you numbers already, but...

I thought I did give you numbers already, but here's a few more details. Keeping in mind that this is all "ballpark" range.

A fixed gear drive train in good condition is 98%-99% efficient.
...
Forum: Commuting
07-12-19, 07:11 AM
Replies: 1,263
Views: 33,413
Posted By wphamilton

Coming up to the last left turn, I see one car...

Coming up to the last left turn, I see one car coming up in the far left lane and the other two lanes are clear. So I wait over in my bike lane for him to get by, and wait ... for some reason the...
Forum: Road Cycling
07-11-19, 11:47 AM
Replies: 66
Views: 3,022
Posted By wphamilton

I also tried Glympse which does the trick, but it...

I also tried Glympse which does the trick, but it didn't take long to realize that she never clicked on the Glympse map. It's when you're unexpectedly late, or maybe doing errands, that it matters....
Forum: Commuting
07-11-19, 11:37 AM
Replies: 1,263
Views: 33,413
Posted By wphamilton

Good, at least something good can come from it. ...

Good, at least something good can come from it. I thought for 2 years that I was careful enough on the FG for it not to be a serious problem, but it only takes a moment.
07-11-19, 07:42 AM
Replies: 79
Views: 3,767
Posted By wphamilton

Yes, you can see the cars coming and dodge if you...

Yes, you can see the cars coming and dodge if you need to, and you don't have to keep looking over your shoulder for right-turning cars at every intersection. But I do it too because I like to take...
Forum: Commuting
07-11-19, 07:26 AM
Replies: 1,263
Views: 33,413
Posted By wphamilton

Take it from me, just be extra careful on the...

Take it from me, just be extra careful on the fixed gear and even more caution after it feels normal. After a rain, feeling good and cranking it up is when it's dangerous for me. The road looks...
07-11-19, 07:16 AM
Replies: 77
Views: 4,912
Posted By wphamilton

That's actually a pretty good amount of riding in...

That's actually a pretty good amount of riding in the first seven rides. What I or any other cyclist does now doesn't relate, but what were our first rides?

My first ride (wife's car wouldn't...
Forum: Commuting
07-10-19, 07:27 PM
Replies: 22
Views: 1,801
Posted By wphamilton

Dawes SST with DIY fenders, chain cover and...

Dawes SST with DIY fenders, chain cover and laptop pannier. The gearing it came with, 46x16 gives me 76-77 gear inches which is just about right for the smaller hills around here.
...
07-10-19, 09:16 AM
Replies: 23
Views: 1,280
Posted By wphamilton

The best way is to ask your husband to tone it...

The best way is to ask your husband to tone it down a notch when you're riding together. I'm not trying to be snarky, because I've been there and done that and realized that riding with my wife is...
07-10-19, 09:06 AM
Replies: 23
Views: 1,963
Posted By wphamilton

"Listen to your body" is definitely part of it,...

"Listen to your body" is definitely part of it, and I consider it to be the ultimate veto over whatever plans and goals we may have established for training. On a daily basis even. But I don't think...
Forum: Road Cycling
07-09-19, 05:24 PM
Replies: 47
Views: 2,069
Posted By wphamilton

I think they need lower gears so that they're...

I think they need lower gears so that they're kind of moving while they get their clipless clicked in. At least that's what it looks like - I'm not as shifty as most of you guys so I can't say for...
07-09-19, 05:18 PM
Replies: 43
Views: 1,320
Posted By wphamilton

I have read that a drive train perfectly...

I have read that a drive train perfectly maintained could be as much as 98% efficient (depending on the gear selection) and one poorly maintained could be as low as 88%. Poorly maintained may have...
Forum: Road Cycling
07-09-19, 07:33 AM
Replies: 47
Views: 2,069
Posted By wphamilton

accelerate from 0 to 40 in just 18 seconds ...

accelerate from 0 to 40 in just 18 seconds

So his velocity over 18 seconds is just 20 mph, if his acceleration is constant. It makes him the best at something, but not the "fastest" cyclist IMO....
Forum: Commuting
07-09-19, 07:17 AM
Replies: 32
Views: 2,776
Posted By wphamilton

I sometimes just wear regular dress pants while...

I sometimes just wear regular dress pants while commuting, in nice weather anyway, and change to shorts for the home leg. While it's not strictly on topic, just saying that the alternative is not...
Forum: Commuting
07-09-19, 07:13 AM
Replies: 1,263
Views: 33,413
Posted By wphamilton

Still riding since I started up last week,...

Still riding since I started up last week, convalescing is over. I'm still keeping it easy though, no more than around 18 on my road bike.


I'm not 100% certain but I think if I disregard...
07-09-19, 06:51 AM
Replies: 30
Views: 1,393
Posted By wphamilton

I used a glove mirror, that I'd affixed to an...

I used a glove mirror, that I'd affixed to an elastic band to slip over my hand. Not the same thing, but I'd probably have the same objection. It's just that it would take an extra second to position...
07-08-19, 08:48 AM
Replies: 99
Views: 6,959
Posted By wphamilton

Yep we're always going to have rolling...

Yep we're always going to have rolling resistance, no getting around that. How much weight matters to that (proportional to total weight) is apparently hotly disputed.

Regarding the effort...
07-08-19, 07:25 AM
Replies: 99
Views: 6,959
Posted By wphamilton

That's not as simple as one might think. If you...

That's not as simple as one might think. If you could isolate the resistance the cyclist overcomes to merely rolling resistance, I think a strong cyclist could keep it rolling. Unfortunately you...
07-07-19, 01:07 PM
Replies: 17
Views: 974
Posted By wphamilton

If you can get a graph of that, supposedly you...

If you can get a graph of that, supposedly you can spot the inflection point where the lactate threshold starts. Probably Golden Cheetah can give you the same thing. I haven't analyzed that...
07-07-19, 12:59 PM
Replies: 30
Views: 1,393
Posted By wphamilton

Maybe try a larger mirror, on the theory that it...

Maybe try a larger mirror, on the theory that it will be more natural to focus on a larger portion of the field of view.
07-07-19, 11:46 AM
Replies: 75
Views: 4,228
Posted By wphamilton

I tend to back off around 40 mph these days,...

I tend to back off around 40 mph these days, saving it for the next up slope. A lot of it is just what you're used to - 40 happens to be about as much as I can get coasting down the hills close...
07-06-19, 03:39 PM
Replies: 23
Views: 1,963
Posted By wphamilton

For me, without something to pull on, I would...

For me, without something to pull on, I would roll over onto the uninjured left side (which was painful but doable) pull my legs up, and then push up with my left arm rotating on my thigh to upright.
Forum: Commuting
07-06-19, 02:10 PM
Replies: 32
Views: 2,095
Posted By wphamilton

4 sheets of coroplast, cutouts for the...

4 sheets of coroplast, cutouts for the handlebars, curved sides and zip-tied front and back for a boat shape or teardrop shape if you want to get fancy. Around the bikes of course.
07-06-19, 01:59 PM
Replies: 23
Views: 1,963
Posted By wphamilton

I'm going to keep this up sporadically because...

I'm going to keep this up sporadically because there is not much out there for a 50+ (just turned 60) training come-back from this. Not a daily log obviously, but the trajectory might help someone...
07-06-19, 11:17 AM
Replies: 46
Views: 15,793
Posted By wphamilton

This one was probably the lightest and most aero...

This one was probably the lightest and most aero of the half dozen or so I've built. Someone filmed this on one of my commutes and I found it on youtube.

https://youtu.be/akTv5ZwTBSM
07-05-19, 08:16 PM
Replies: 100
Views: 5,930
Posted By wphamilton

I think you're probably right. I found out in a...

I think you're probably right. I found out in a recent hospital stay that I had a magnesium deficiency. I don't know why, because I eat avocados, nuts, raw spinach and bananas, fish, all sources of...
07-05-19, 02:39 PM
Replies: 99
Views: 6,959
Posted By wphamilton

Even that's not necessarily true, depending on...

Even that's not necessarily true, depending on the specifics of what the weights are and what his power is.

But more to the point, you are adding an extraneous variable. does weight matter on the...
07-05-19, 02:11 PM
Replies: 23
Views: 1,963
Posted By wphamilton

Over 3 weeks out, if anyone facing this reads...

Over 3 weeks out, if anyone facing this reads this thread later, a treadmill run went OK without a sling or rib wrap. I know, you see this same question in running blogs but it's always something...
07-05-19, 01:37 PM
Replies: 99
Views: 6,959
Posted By wphamilton

I don't know what your point is. If one guy puts...

I don't know what your point is. If one guy puts out 300 watts, and the other 150 watts, and they both add the same percentage mass, they will both have the same percentage change in acceleration....
07-05-19, 11:31 AM
Replies: 99
Views: 6,959
Posted By wphamilton

Naw, you can talk about (delta M) and (delta A)...

Naw, you can talk about (delta M) and (delta A) in the same way.

to clarify, it's mass plus delta mass and acceleration plus delta acceleration. example, If your mass increases by 10%, your...
07-05-19, 10:32 AM
Replies: 100
Views: 5,930
Posted By wphamilton

My "secret" for having the energy to get on the...

My "secret" for having the energy to get on the bike and go is habit and routine. I find that my diet changes to compensate for my level of activity, not the other way around.
07-05-19, 10:28 AM
Replies: 111
Views: 5,148
Posted By wphamilton

Spot on, all of it IMO. That's not to say I...

Spot on, all of it IMO. That's not to say I wouldn't want a German standard dynamo light - I would, but not enough to go to the expense and initial trouble and extra drag/weight for one. Given the...
07-05-19, 10:17 AM
Replies: 79
Views: 3,767
Posted By wphamilton

I have to say I hardly ever see runners in the...

I have to say I hardly ever see runners in the street here and when I do they usually move over as much as possible. I'd never think of saying "get on the sidewalk" since I hear that enough myself,...
07-05-19, 10:05 AM
Replies: 99
Views: 6,959
Posted By wphamilton

At the risk of seeming superficial, F=MA, change...

At the risk of seeming superficial, F=MA, change in weight is proportional to the change in acceleration, whether you can produce a large force or small one. The assumption that most people make...
07-04-19, 12:00 PM
Replies: 111
Views: 5,148
Posted By wphamilton

If I rode against traffic you might have a point....

If I rode against traffic you might have a point. But I don't ... figure out why that's relevant and you'll see why it makes sense.
Forum: Commuting
07-04-19, 10:10 AM
Replies: 1,263
Views: 33,413
Posted By wphamilton

I couldn't tell that it was there, but to put...

I couldn't tell that it was there, but to put that into perspective that rack weighs only a pound and the DIY trunk is very light - all together, less weight than the saddlebag with minitool etc....
Forum: Commuting
07-03-19, 04:34 PM
Replies: 1,263
Views: 33,413
Posted By wphamilton

My new rack and diy trunk bag: ...

My new rack and diy trunk bag:
https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1600/trunk_bag_9eb9586a5eeb8f251d7e48f1102a9d81fc11ff11.jpg


and if I need to, it opens fully to the...
07-03-19, 03:24 PM
Replies: 116
Views: 6,547
Posted By wphamilton

I'm not repeating myself (again). Go back and...

I'm not repeating myself (again). Go back and check it if you're really interested, but I'm out.
07-03-19, 03:23 PM
Replies: 116
Views: 6,547
Posted By wphamilton

Regardless, you'd be wrong about that. ...

Regardless, you'd be wrong about that.


Exactly. You keep talking about is or isn't "harder than the other" when no one else is concerned about it.
Forum: Commuting
07-03-19, 12:46 PM
Replies: 28
Views: 2,325
Posted By wphamilton

Superficial inspections all the time, mainly...

Superficial inspections all the time, mainly looking for bulges, cuts or something obvious stuck in the tire. Really close with a magnifying glass or reading glasses, I'd say practically never....
07-03-19, 12:39 PM
Replies: 35
Views: 2,065
Posted By wphamilton

My number 1 rule, like 79pmooney, is never be...

My number 1 rule, like 79pmooney, is never be next to a truck at an intersection, whether he's turning or not. Nor going through an intersection if I can help it. A lane over, or even further as in...
07-03-19, 11:37 AM
Replies: 116
Views: 6,547
Posted By wphamilton

I don't think that anyone has been saying one is...

I don't think that anyone has been saying one is "harder" than the other. A few have thought that if you go all out, they're both the same which is just as silly.

There are differences in...
07-03-19, 08:11 AM
Replies: 111
Views: 5,148
Posted By wphamilton

The National Highway Traffic Safety...

The National Highway Traffic Safety Administration says that there is no evidence that daytime running lights provide enough benefit to justify a federal regulation. DRL are more popular in...
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