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Search: Posts Made By: MinnMan
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Forum: Road Cycling
08-06-20, 12:45 PM
Replies: 1,155
Views: 164,600
Posted By MinnMan

Fedex was 5 days to Minneapolis (shipped 7/31,...

Fedex was 5 days to Minneapolis (shipped 7/31, arrived 8/5), and no tariffs.
Forum: Road Cycling
08-06-20, 11:11 AM
Replies: 1,155
Views: 164,600
Posted By MinnMan

I may be mistaken, but I believe that it's a...

I may be mistaken, but I believe that it's a "North American" distributor, not USA, and that it's in Canada? Anybody know?

The lack of the 240 hubs is part of why I bought from China rather than...
Forum: Road Cycling
08-04-20, 09:51 PM
Replies: 1,155
Views: 164,600
Posted By MinnMan

This is an old post, I know. I tried the LB...

This is an old post, I know. I tried the LB pads, but had much better performance with the Swisstop Black Prince pads. Except of course, in the rain. Carbon wheels, rim breaks, and rain are a...
Forum: Road Cycling
08-04-20, 09:47 PM
Replies: 1,155
Views: 164,600
Posted By MinnMan

At this point, consider LightBicycle to be...

At this point, consider LightBicycle to be reliable and proven. The order arriving tomorrow is my second set. They are a quality product. Tons of people on this thread have ordered wheels, and the...
Forum: Road Cycling
08-04-20, 01:20 PM
Replies: 16
Views: 528
Posted By MinnMan

I had terrrible luck with sidewalls with the...

I had terrrible luck with sidewalls with the GP4000 IIs - two very bad blowouts, both with nearly new tires. That's what drove me to the 4 Seasons. The GP5000s reputedly have similar prolbems (the...
Forum: Road Cycling
08-04-20, 01:15 PM
Replies: 16
Views: 528
Posted By MinnMan

I've had the same experience

I've had the same experience
Forum: Road Cycling
08-04-20, 01:12 PM
Replies: 1,155
Views: 164,600
Posted By MinnMan

Wheels arrived in Memphis this morning and Fedex...

Wheels arrived in Memphis this morning and Fedex delivery is scheduled for tomorrow morning 8/5, so that's 20 days from pushing the button to delivery from the Worldwide (China) source. It's true...
Forum: Road Cycling
08-03-20, 08:43 PM
Replies: 22
Views: 542
Posted By MinnMan

Don't sweat it. Just buy one and ride. The...

Don't sweat it. Just buy one and ride. The differences that people are talking about aren't that noticeable to a novice. And if you get serious, you'll be on to n+1 soon enough.
Forum: Road Cycling
08-03-20, 08:05 PM
Replies: 157
Views: 4,687
Posted By MinnMan

You guys need some of this air (temps are in °F,...

You guys need some of this air (temps are in °F, the graphic is confusing.) Temps/forecast are for this week - August, 2020.
They actually hit -105 °F a couple of days ago....
Forum: Road Cycling
08-03-20, 12:04 PM
Replies: 16
Views: 528
Posted By MinnMan

I have found the Conti 4 Seasons to be an...

I have found the Conti 4 Seasons to be an excellent compromise. Like everybody says, Gatorskins are nearly bulletproof but ride like crap. 4 Seasons have much better flat protection than the GP4000...
08-02-20, 07:22 PM
Replies: 49
Views: 1,250
Posted By MinnMan

This is an extremely important point, though I do...

This is an extremely important point, though I do wonder about the generational aspects. A large part of my job, like yours, is writing, revising, and editing clear technical writing. It doesn't...
Forum: Road Cycling
08-02-20, 06:59 PM
Replies: 157
Views: 4,687
Posted By MinnMan

I can't even imagine. And they say that in a...

I can't even imagine. And they say that in a decade or two, we'll begin seeing well into the 120s in those places.
08-02-20, 11:22 AM
Replies: 49
Views: 1,250
Posted By MinnMan

Unfortunately, it's impossible to separate the...

Unfortunately, it's impossible to separate the pandemic from political considerations. I wish otherwise, but the powers that be have made it so.

The Covid forum is already in The Lounge. Let the...
08-01-20, 06:39 PM
Replies: 20
Views: 570
Posted By MinnMan

Sadly, there are foreigners who want to be just...

Sadly, there are foreigners who want to be just like us....

https://www.cnn.com/2020/08/01/world/berlin-germany-covid-19-protest-intl/index.html

big surprise - the ones who respond like our...
Forum: Road Cycling
08-01-20, 04:32 PM
Replies: 157
Views: 4,687
Posted By MinnMan

You are mostly on the right track here, but let...

You are mostly on the right track here, but let me pose it more succinctly and as working scientists actually proceed:

- A hypothesis is proposed.
-An empirical test is investigated that if...
Forum: Road Cycling
07-31-20, 10:51 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Look, this is just sad. You have no technical...

Look, this is just sad. You have no technical expertise. You cannot distinguish calculation from "belief". You think that making stuff up based on your intuition is the same as studying a topic...
Forum: Road Cycling
07-31-20, 10:13 PM
Replies: 157
Views: 4,687
Posted By MinnMan

That's an excellent example. The part about "you...

That's an excellent example. The part about "you don't have to cool it down" proves that you know nothing about heat transfer.
Further, you never said anything about high specific heat capacity. ...
Forum: Road Cycling
07-31-20, 09:47 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Considering the embarrassing things you've...

Considering the embarrassing things you've written in this thread, it doesn't seem wise for you to be picking another fight.
Forum: Road Cycling
07-31-20, 09:03 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Didn't see this before I posted my reply. But we...

Didn't see this before I posted my reply. But we are on the same page.
Forum: Road Cycling
07-31-20, 09:01 PM
Replies: 157
Views: 4,687
Posted By MinnMan

This isn't wholly true. I profess no expertise...

This isn't wholly true. I profess no expertise regarding thermoreceptors, so unlike others here, I won't comment where I don't have expertise. But regarding your oven analogy, whereas it is true...
07-31-20, 08:12 PM
Replies: 214
Views: 5,746
Posted By MinnMan

https://www.vox.com/2020/7/31/21336212/covid-19-te...

https://www.vox.com/2020/7/31/21336212/covid-19-test-results-delays
07-31-20, 08:03 PM
Replies: 214
Views: 5,746
Posted By MinnMan

The system is being overwhelmed again. Early in...

The system is being overwhelmed again. Early in the summer, testing ramped up and therefore was able to capture the increase in infections around the country. As we all know, the rate of infections...
Forum: Road Cycling
07-31-20, 01:39 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Yes, I know everybody with an internet connection...

Yes, I know everybody with an internet connection is an expert, but this is not in any way about "belief" or "perception" It's the physics of heat transfer..

Again, for reasonable thicknesses of...
Forum: Road Cycling
07-31-20, 01:14 PM
Replies: 157
Views: 4,687
Posted By MinnMan

I'm not sure you are thinking about it correctly....

I'm not sure you are thinking about it correctly. apart from evaporation, the heat loss through this layer of water (let's call it a film) is conductive (or diffusive) loss. In other words, the...
Forum: Road Cycling
07-31-20, 01:05 PM
Replies: 1,155
Views: 164,600
Posted By MinnMan

I was extravagant and paid for the faster...

I was extravagant and paid for the faster shipping - 7 days, I think. Maybe longer with current logistical challenges. Cost was about $180. I'll let you know when it arrives.
Forum: Road Cycling
07-31-20, 01:02 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Good lord, are you really asking me to geek out...

Good lord, are you really asking me to geek out more than I have already?

Of course, the energy required to change the temperature of water is its heat capacity, Cp, also known as the specific...
Forum: Road Cycling
07-31-20, 11:47 AM
Replies: 157
Views: 4,687
Posted By MinnMan

I covered that in #59...

I covered that in #59 (https://www.bikeforums.net/usertag.php?do=list&action=hash&hash=59) . For a realistic layer, the effect is negligible. The "before" is seconds, after which, steady state...
Forum: Road Cycling
07-31-20, 11:27 AM
Replies: 1,155
Views: 164,600
Posted By MinnMan

They must not be very busy at the moment. I...

They must not be very busy at the moment. I ordered a new set of wheels from their Global source (i.e., China) on 7/16, and they shipped today (7/31). That's fast. Let's see how long they take to...
Forum: Road Cycling
07-31-20, 09:52 AM
Replies: 24
Views: 887
Posted By MinnMan

These days, the sad answer is orthopedics. ...

These days, the sad answer is orthopedics.

When I'm in good shape and without injuries, it can be leg cramps if it's a hard or fast ride.
Forum: Road Cycling
07-31-20, 09:46 AM
Replies: 157
Views: 4,687
Posted By MinnMan

If you are talking about the insulating effect of...

If you are talking about the insulating effect of a layer of water inhibiting the cooling to your skin ,then it would have to be a rather thick layer. The thermal diffusivity of water (D) is around...
Forum: Road Cycling
07-31-20, 08:54 AM
Replies: 157
Views: 4,687
Posted By MinnMan

Sorry if you are offended, but your physics are...

Sorry if you are offended, but your physics are still wrong. Removal of sweat at the same temperature as your body has no cooling effect on your body.

I'm sorry if you, in your own words, often...
Forum: Road Cycling
07-30-20, 06:40 PM
Replies: 157
Views: 4,687
Posted By MinnMan

If you read my other posts in this thread, I'm...

If you read my other posts in this thread, I'm not at all convinced that a base layer is cooler. But whatever you are going to do, it is counter-productive to wick away drops of sweat rather than...
Forum: Road Cycling
07-30-20, 02:51 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Definitely yes to (a). I'm not sure (b) is a...

Definitely yes to (a). I'm not sure (b) is a real thing. The sweat needs to be present at a free surface (that is to say, against air) and it's the total mass of sweat evaporation/time, which...
Forum: Road Cycling
07-30-20, 02:08 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Speaking strictly about UV protection, does the...

Speaking strictly about UV protection, does the base layer make an improvement for those parts of your body that would normally be covered by your jersey? Just wearing normal kit, my arms and legs...
Forum: Road Cycling
07-30-20, 01:45 PM
Replies: 157
Views: 4,687
Posted By MinnMan

Recently I have been using sunsleeves on longer...

Recently I have been using sunsleeves on longer mid-day rides to protect my forearms from too much UV. They may in fact be cooler than bare skin. During the first few minutes, when they are still...
Forum: Road Cycling
07-30-20, 01:21 PM
Replies: 157
Views: 4,687
Posted By MinnMan

No, sorry, you are on the wrong track. Apart...

No, sorry, you are on the wrong track.

Apart from the enthalpy of sweat evaporation, the heat you lose through a base layer or from your skin is radiative loss, or advective loss associated with...
Forum: Road Cycling
07-30-20, 12:00 PM
Replies: 157
Views: 4,687
Posted By MinnMan

No, sorry, that's not right. The sweat and your...

No, sorry, that's not right. The sweat and your body are at the same temperature, so moving it away does not cool you. The sweat, sitting on your skin, is not transferring heat to your body, so...
Forum: Road Cycling
07-30-20, 11:12 AM
Replies: 157
Views: 4,687
Posted By MinnMan

I'm not taking a position on base layer or no,...

I'm not taking a position on base layer or no, but you've got the physics wrong. The cooling effect comes from the heat of evaporation - the energy required to transform liquid water to vapor -...
07-29-20, 08:22 PM
Replies: 141
Views: 17,215
Posted By MinnMan

At the moment, Babylon Berlin. 3 seasons. The...

At the moment, Babylon Berlin. 3 seasons. The highlight (zu asche, zu staub) comes at the end of Episode 2, Season 1, but it's a quality product through and through. For those with an interest in...
07-29-20, 02:02 PM
Replies: 1
Views: 369
Posted By MinnMan

Lots of references to this all over bf and the...

Lots of references to this all over bf and the cycling community at large. Some take it too seriously.
Forum: Road Cycling
07-28-20, 08:06 PM
Replies: 36
Views: 1,196
Posted By MinnMan

It's true that it takes a little more force to...

It's true that it takes a little more force to clip out on the FA pedals than it did with my SPD-SLs.

I haven't had any such incidents since getting the new pedals, but when an emergency occurred...
07-28-20, 12:18 AM
Replies: 64
Views: 1,816
Posted By MinnMan

I get it.. It's all about you. I commendd you...

I get it.. It's all about you. I commendd you for your heroic venture in the lions den of sheeple (hmm, mixed metaphor there, better work on that one) brandishing your outstanding logic and cool...
07-27-20, 07:50 PM
Replies: 4
Views: 312
Posted By MinnMan

Interesting. I take melatonin with some...

Interesting. I take melatonin with some frequency for reasons having nothing to do with my immune system or covid19.

ScienceDirect means that it's an Elsevier journal. So it's part of the...
07-27-20, 07:29 PM
Replies: 12
Views: 447
Posted By MinnMan

I have done a few small group rides, but they...

I have done a few small group rides, but they made me quite uncomfortable. Many of my cycling friends are doing smallish (5-10 people) group rides and I am jealous of the good time they are having,...
07-27-20, 07:18 PM
Replies: 3
Views: 185
Posted By MinnMan

The data - CDC versus HHS

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/1864x1788/116309346_3293071730753564_2140707255005737676_o_0ccc9161a186089084f1582eb72fc0d6034d1aa2.jpg

The implication is of course...
Forum: Road Cycling
07-27-20, 07:07 PM
Replies: 36
Views: 1,196
Posted By MinnMan

I wish there were a similar hack for SPD-SLs.

I wish there were a similar hack for SPD-SLs.
Forum: Road Cycling
07-27-20, 12:13 PM
Replies: 43
Views: 1,177
Posted By MinnMan

That's why I started wearing a skull cap under my...

That's why I started wearing a skull cap under my helmet. No need for sunscreen. And it really is cooler.
Forum: Road Cycling
07-26-20, 09:18 PM
Replies: 36
Views: 848
Posted By MinnMan

Yeah. At 165#, you were riding on tirres that...

Yeah. At 165#, you were riding on tirres that were way too hard for no reason.

So lowering your tire pressure os the first step. Then get wider tires. Most any bike should be able to take 28s,...
Forum: Road Cycling
07-26-20, 08:10 PM
Replies: 34
Views: 1,636
Posted By MinnMan

Cygolites are great products. So far on this...

Cygolites are great products. So far on this thread, people have talked about the Hotshots. I like the Hotrods. One on each seat stay gives me high visibility. They hold a charge for a long time...
Forum: Road Cycling
07-26-20, 07:28 PM
Replies: 36
Views: 1,196
Posted By MinnMan

Yeah, that's averaged over the ride, but it...

Yeah, that's averaged over the ride, but it doesn't matter if that ride is 20 or 100 miles, the average is always pretty close. I'm sure that there are short intervals where there's a somewhat...
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