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Search: Posts Made By: bitingduck
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06-01-19, 04:15 PM
Replies: 51
Views: 4,680
Posted By bitingduck

Most fire roads in the San Gabriels are very much...

Most fire roads in the San Gabriels are very much roads and gravel bikes do well on them.

I just came back from a 5 day gravel tour in Norcal that had about 30 people on it, and there were plenty...
05-17-19, 05:53 PM
Replies: 51
Views: 4,680
Posted By bitingduck

I'm early 50s and have been riding a gravel bike...

I'm early 50s and have been riding a gravel bike lately as my main bike. My ancient hardtail MTB is in PDX, and I like the ride on my gravel bike better, anyway. The fire roads out of Pasadena are...
Replies: 51
Views: 4,151
Posted By bitingduck

You don't need accurate position to get accurate...

You don't need accurate position to get accurate velocity. A police radar doesn't know where you are at all, but when used along line of sight can give accurate velocity with no position information...
Replies: 389
Views: 94,430
Posted By bitingduck

The trick to gluing Contis with cotton base tape...

The trick to gluing Contis with cotton base tape is to wet the base tape with water and stretch them overnight on your wheels. The tape will stay stretched and they'll be much less of a mess to put...
Replies: 9
Views: 167,005
Posted By bitingduck

More than I realized. I saw the recommendation...

More than I realized. I saw the recommendation above for Conti Tempos and was surprised so I looked them up. I had some back 2005-ish that were grey rubber that felt plastic-ish and was pretty...
Replies: 51
Views: 4,151
Posted By bitingduck

I suspect it's lack of user demand.

I suspect it's lack of user demand.
Replies: 51
Views: 4,151
Posted By bitingduck

You don't need an atomic clock to do it - the...

You don't need an atomic clock to do it - the velocity measurement is just a doppler shift measurement, and it's one that every GPS (including cheap ones) has to do in order to lock on the satellite...
Replies: 51
Views: 4,151
Posted By bitingduck

The satellites are extremely accurate, it's how...

The satellites are extremely accurate, it's how your Garmin decides to calculate your velocity that isn't. A GPS unit has to track the frequencies from all the satellites it's locked on very...
Replies: 2,486
Views: 239,256
Posted By bitingduck

I'd be surprised if the difference vs. Al or...

I'd be surprised if the difference vs. Al or Steel is even that much. If the teeth are shaped right, there's not a whole lot of rubbing between the chain and cog- the friction is mostly inside the...
02-01-18, 08:13 PM
Replies: 8
Views: 1,377
Posted By bitingduck

When I first read this I thought of Kelbaker Rd,...

When I first read this I thought of Kelbaker Rd, which is (or at least was) like blades of gravel embedded in worn asphalt so it's much worse than riding a proper gravel road.

I eventually...
Replies: 2,486
Views: 239,256
Posted By bitingduck

I'm not small (ride a 56 cm diamond frame) and I...

I'm not small (ride a 56 cm diamond frame) and I never made any effort to shave weight on the track, and I always had to add weight (sometimes just 20 grams of tape) after I stopped riding the old...
Replies: 27
Views: 2,714
Posted By bitingduck

I've been making them out of PVC sprinkler pipe...

I've been making them out of PVC sprinkler pipe lately. It's cheap and easy to cut to length, then I use a QR to hold it in place. I also tend to have random bits of it around for sprinkler...
Replies: 102
Views: 18,675
Posted By bitingduck

Not to mention mess up the aerodynamics of the...

Not to mention mess up the aerodynamics of the trispoke.
Replies: 102
Views: 18,675
Posted By bitingduck

Hey, a lot of enduros can do that much on the...

Hey, a lot of enduros can do that much on the track in one day!
Replies: 49
Views: 6,367
Posted By bitingduck

Yes, I didn't mean don't use it at all, but don't...

Yes, I didn't mean don't use it at all, but don't use it as your primary means of communication or calendaring. It's not just that you have little control over how many people see your posts, but...
Replies: 49
Views: 6,367
Posted By bitingduck

Carson was similar when I was part of LAVRA, but...

Carson was similar when I was part of LAVRA, but we worked it out with the track director that we could offer a free "accelerated class" on race days to anybody who was registered to race. It was...
Replies: 49
Views: 6,367
Posted By bitingduck

I'll second the "don't use FB". The other things...

I'll second the "don't use FB". The other things about FB are that everything you post is effectively ephemeral because it will eventually slip off what gets loaded when people click your page, and...
Replies: 2,486
Views: 239,256
Posted By bitingduck

A friend who's done a bunch said that about all...

A friend who's done a bunch said that about all you can do is yell "allez" or "whoa" for faster and slower - it's very noisy with a bunch of dernies going around plus the wind noise. The derny...
Replies: 19
Views: 2,106
Posted By bitingduck

The next video that comes up is even better - an...

The next video that comes up is even better - an HD rider's-eye view from a team sprint, so you can see the gap as a rider would coming around the turn. I don't see a problem, but I learned to ride...
Replies: 40
Views: 3,008
Posted By bitingduck

It can happen, but if you're aware of the limits...

It can happen, but if you're aware of the limits of your cranks/bb it's not likely to. There was a guy some years ago who was riding custom 190s or something crazy like that in Keirins, and it never...
10-11-17, 05:09 PM
Replies: 21
Views: 2,057
Posted By bitingduck

Yes - it really does depend a lot on the recent...

Yes - it really does depend a lot on the recent weather and which mountain pass. I've ridden Baldy on Jan 1 when it was clean but windy, and probably plenty of times in the winter when it was dry. ...
Replies: 40
Views: 3,008
Posted By bitingduck

I've seen it happen a few times, including one...

I've seen it happen a few times, including one guy who managed to yank himself and his bike over the balustrade, rather than crash.

My impression has been that it's mostly people who aren't used...
Replies: 5,586
Views: 495,886
Posted By bitingduck

I bought a bunch of them (mostly pretty cheap)...

I bought a bunch of them (mostly pretty cheap) when they were still floating around. I have a shoebox full of them,
Replies: 5,586
Views: 495,886
Posted By bitingduck

I'm still using SPD-R on the track. Eventually...

I'm still using SPD-R on the track. Eventually I'll have to change when I need new shoes...
Replies: 2,486
Views: 239,256
Posted By bitingduck

Given that it's in a temp and humidity controlled...

Given that it's in a temp and humidity controlled building, it will likely still be in pretty good shape. Maybe a light sanding.



According to various things I heard when it opened, I thought...
Replies: 2,486
Views: 239,256
Posted By bitingduck

LA 2028 is now official...

LA 2028 is now official (http://www.latimes.com/sports/olympics/la-sp-la-olympics-approved-20170913-story.html)

Rumors are that they plan to build a new velodrome for it that doesn't have pillars...
Replies: 5,586
Views: 495,886
Posted By bitingduck

Roues Artisinales...

Roues Artisinales (http://www.rouesartisanales.com/studies?lang=en) also has done some detailed studies on wheel performance (aerodynamics, stiffness). IIRC they don't do any track-only wheels, but...
Replies: 2,486
Views: 239,256
Posted By bitingduck

Wouldn't it be cheaper to make a proper tandem...

Wouldn't it be cheaper to make a proper tandem and a single rather than that mess?

If you wanted to steer from the bullhorns you could have strings or a linkage to the steering bars. It wouldn't...
Replies: 7
Views: 1,086
Posted By bitingduck

I've seen laps gained in as little as 2 or 2.5...

I've seen laps gained in as little as 2 or 2.5 laps if the field is big and strung out and the lapping rider is very fast (IIRC, Mike Friedman took a lap that fast in a heat at elite nats with Creed...
Replies: 2,486
Views: 239,256
Posted By bitingduck

They can hold rowboat battles til it drains.

They can hold rowboat battles til it drains.
Replies: 5,586
Views: 495,886
Posted By bitingduck

Not just aero benefits - they fit through smaller...

Not just aero benefits - they fit through smaller spaces.
Replies: 26
Views: 2,116
Posted By bitingduck

I think it should really be "don't drive a car". ...

I think it should really be "don't drive a car". I got old when I had to drive to work for just two years.
Replies: 26
Views: 2,116
Posted By bitingduck

He (and maybe you) might not be natural slow...

He (and maybe you) might not be natural slow twitchers, but that's the part of sport you gravitated to. Particularly you since a lot of track enduros would be road sprinters (at least if they want...
Replies: 26
Views: 2,116
Posted By bitingduck

I think we're sort of saying the same thing, but...

I think we're sort of saying the same thing, but I might claim tactics can make up bigger speed/power gaps.

With people coming over from the road it's always a mixed bag. When I thought I was a...
Replies: 26
Views: 2,116
Posted By bitingduck

In a match sprint you're probably not going to...

In a match sprint you're probably not going to make up a full second, but in a slightly longer race you most certainly can. One of my favorite examples was a 6 up, 6 lap scratch race at Encino where...
Replies: 26
Views: 2,116
Posted By bitingduck

I have to disagree on this one. At my best I was...

I have to disagree on this one. At my best I was pretty strong but generally not among the strongest riders in the field most of the time (certainly with some exceptions in some local races) and had...
Replies: 77
Views: 11,265
Posted By bitingduck

There's also an Extended Stay America a couple...

There's also an Extended Stay America a couple blocks west of the Hampton.

the place to avoid (other than to drive past and see that it actually exists) is the Dare-U-Inn on main street right...
Replies: 2,486
Views: 239,256
Posted By bitingduck

the thing that stands out in that picture is how...

the thing that stands out in that picture is how high the trailing tip of her helmet is off her back - When you do that it tends to dump a vortex (energy lost into spinning air) off the the tip,...
Replies: 2,486
Views: 239,256
Posted By bitingduck

It's probably tested as most speed (net effect of...

It's probably tested as most speed (net effect of available power and aerodynamics) for her. Wind tunnel testing isn't that expensive - IIRC there's one in San Diego that's well within range of what...
Replies: 77
Views: 11,265
Posted By bitingduck

It won't be hot in the velodrome - the warranty...

It won't be hot in the velodrome - the warranty on the track requires temperature control. Outdoor temperatures could easily be over 100-- Sept/Oct are generally the warmest part of the year. When...
Replies: 77
Views: 11,265
Posted By bitingduck

Unless you're a track Cat 2 or higher. Since...

Unless you're a track Cat 2 or higher.

Since UCI licenses don't have a category, it's not entirely clear whether they'll require it or not, but if they do it should just be the accelerated class. ...
Replies: 2,486
Views: 239,256
Posted By bitingduck

I think it's a bit farther than that. They've...

I think it's a bit farther than that. They've got an agreement at the level of how much IOC is going to throw in and how much LA can keep of sponsorship they bring in (*much* more than usual). ...
Replies: 77
Views: 11,265
Posted By bitingduck

I'd be surprised if they didn't at least put...

I'd be surprised if they didn't at least put portables out the back door for worlds. They do it for elite nats, and masters worlds should be treated at least as well. For world cup and elite worlds...
Replies: 5,586
Views: 495,886
Posted By bitingduck

Anybody in a P/1/2 race will have evaluated her...

Anybody in a P/1/2 race will have evaluated her within a couple laps, if not earlier (part of why VSC race day accelerated class puts new riders on the track for 20 laps right before racing starts)...
Replies: 5,586
Views: 495,886
Posted By bitingduck

I've essentially let women do exactly that (there...

I've essentially let women do exactly that (there was one fewer category at the time) after giving someone a 35 minute intro talk and watching them ride solo for 20 laps. I have no idea who she is,...
Replies: 5,586
Views: 495,886
Posted By bitingduck

Women's Track fields limited to 1/2 are still...

Women's Track fields limited to 1/2 are still pretty rare. For the most part it's still true that if you're a woman and can afford a license you're racing with the 1s or will be after a few races. ...
Replies: 389
Views: 94,430
Posted By bitingduck

I used the Evo Pistas as my primary racing tire...

I used the Evo Pistas as my primary racing tire there for several years of doing basically every race there (primarily mass start, including Madison) and they're great tires. They handle well and...
Replies: 85
Views: 5,471
Posted By bitingduck

Nope - the magnitudes of the forces involved all...

Nope - the magnitudes of the forces involved all have mass in them, so it ends up cancelling out. I'm too lazy to type it all out, but the related problem of a car skidding off the high side of a...
Replies: 174
Views: 69,567
Posted By bitingduck

Another online intro class text- basically the...

Another online intro class text- basically the outline and content for the accelerated class at the Velo Sports Center. Go to the bottom of this page...
Replies: 5,586
Views: 495,886
Posted By bitingduck

To get the best mass start experience you can,...

To get the best mass start experience you can, race with the men. The fields will be bigger and more consistent in skill level, so you'll get more direct experience in close quarters. The ones to...
Showing results 1 to 50 of 1000
 


 
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