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Search: Posts Made By: ofajen
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01-23-22, 10:25 PM
Replies: 11
Views: 163
Posted By ofajen

Jones H-bar is a solid choice. Another option is...

Jones H-bar is a solid choice. Another option is the North Road/Albatross touring bar.

Otto
01-23-22, 09:05 PM
Replies: 18
Views: 257
Posted By ofajen

There is at least a Schwalbe Winter 700x30C...

There is at least a Schwalbe Winter 700x30C studded tire.

I have moved to an S-Blade that is several inches above the rear wheel because my removable PDW fenders would tend to clog with mud due...
01-23-22, 09:36 AM
Replies: 24
Views: 585
Posted By ofajen

Continental Speed King RaceSport ...

Continental Speed King RaceSport

https://www.continental-tires.com/bicycle/tires/mountainbike-tires/speed-king-2-2

Race King Protection
...
01-22-22, 08:16 PM
Replies: 57
Views: 1,837
Posted By ofajen

We are evolved to walk and run. IMO, thatís why...

We are evolved to walk and run. IMO, thatís why standing to pedal seems natural if you have the right handlebar position. It begins to resemble running. Also why leaning forward some but not a lot...
01-22-22, 07:29 PM
Replies: 24
Views: 585
Posted By ofajen

I wore out a set of those RTP, which was a lot of...

I wore out a set of those RTP, which was a lot of miles. At least 3500 miles on the rear and more on the front. They roll great in dry conditions. The thing I really didnít like was how difficult...
01-22-22, 03:21 PM
Replies: 3,523
Views: 260,133
Posted By ofajen

First ride in a week. Total distance of 23 miles...

First ride in a week. Total distance of 23 miles but about a half mile ended up being a walk over treacherous ice in a shady stretch that had softened up, been ridden on by a couple of bikes and...
01-21-22, 12:04 PM
Replies: 203
Views: 5,735
Posted By ofajen

Yeah I take that for granted around here, being...

Yeah I take that for granted around here, being able to get on our trail system and ride for hours without any stops, noise, cars or stress. No stop and go at all. Iím grateful.

Otto
Forum: Road Cycling
01-20-22, 11:02 PM
Replies: 157
Views: 5,673
Posted By ofajen

Not in my low end, vintage SS world, but you do...

Not in my low end, vintage SS world, but you do have my sympathies. 😊

Otto
01-19-22, 10:32 PM
Replies: 27
Views: 687
Posted By ofajen

Hmmm, itís about my size and style. I was just...

Hmmm, itís about my size and style. I was just wondering if I could find any modern tubular tire that could go on those rims. Would it likely be fixed gear or were freewheels already common? I...
01-19-22, 07:36 PM
Replies: 42
Views: 1,514
Posted By ofajen

YMMV, but I kinda expect 26ers to not be at their...

YMMV, but I kinda expect 26ers to not be at their best on skinny tires. My RockHopper is a beast with 2.2Ē Continental tires. Iím running the nice versions with Black Chili compound. Currently...
01-19-22, 03:18 PM
Replies: 57
Views: 1,837
Posted By ofajen

Iím no expert, but it looks like it would be...

Iím no expert, but it looks like it would be harder to mount and dismount than a high wheeled ďordinaryĒ bicycle from the 1800s.

Otto
01-18-22, 02:16 PM
Replies: 62
Views: 11,747
Posted By ofajen

Iíd like to believe that, but the one I tried...

Iíd like to believe that, but the one I tried started making noises and feeling wonky under load after only 1000 miles or so. I was disappointed. Iíve never experienced that issue so quickly from...
01-18-22, 08:34 AM
Replies: 57
Views: 1,837
Posted By ofajen

Setting a good saddle height is very useful, and...

Setting a good saddle height is very useful, and perhaps the most important component of how a bike fits. It can change a bit for you over time depending on fitness and flexibility, so if things...
01-17-22, 08:03 PM
Replies: 27
Views: 687
Posted By ofajen

What size and type of tires are those rims made...

What size and type of tires are those rims made for?

Otto
01-17-22, 03:25 PM
Replies: 62
Views: 2,736
Posted By ofajen

Our trails have been around well over 30 years...

Our trails have been around well over 30 years and the majority of trail users know how to share and what a bell means. My approach, which is both safe and appreciated is to first use a bell several...
01-15-22, 08:31 AM
Replies: 62
Views: 2,736
Posted By ofajen

I use the new version of the Incredibell that...

I use the new version of the Incredibell that attaches by an O-ring. I think it goes for about $12 US. That is easy to put wherever it works best (even on a stem) and move between bikes. It was...
01-14-22, 10:47 PM
Replies: 3,523
Views: 260,133
Posted By ofajen

I did my quick 17 mile out to Hindman Junction at...

I did my quick 17 mile out to Hindman Junction at the Katy and back. Yesterday on the MTB and today on the 700x32 bike. Lots of soft mud and standing water so I was pleased to be able to negotiate...
01-14-22, 07:45 PM
Replies: 16
Views: 462
Posted By ofajen

Iíve taken to always wearing sweatpants on rides...

Iíve taken to always wearing sweatpants on rides at 60F and below, just to help keep my knees warm. Sometimes my legs get sweaty, but I figure itís good to be cautious. Sorry, thatís really...
01-14-22, 07:37 PM
Replies: 203
Views: 5,735
Posted By ofajen

Iím conducting an experiment this winter. Our...

Iím conducting an experiment this winter. Our trail system has many patches that are saturated and muddy all winter. They are either frozen or a saturated, muddy mess. Last winter I learned that I...
01-13-22, 08:06 PM
Replies: 16
Views: 928
Posted By ofajen

Yeah that seems like a really high gear for...

Yeah that seems like a really high gear for anything with hills.

I have two bikes, and both are SS. The MTB is a 26er with 42/17 at about 64 gear inches which seems about right on our trails...
01-12-22, 10:12 PM
Replies: 203
Views: 5,735
Posted By ofajen

Yeah, in my teens and twenties, I was a dedicated...

Yeah, in my teens and twenties, I was a dedicated road rider back in the days of tubular tires, toe clips, metal cleats and wool bike shorts.

In the 90s I made a transition to primarily rail...
01-09-22, 07:14 PM
Replies: 95
Views: 1,771
Posted By ofajen

jk

jk
01-09-22, 04:58 PM
Replies: 3,523
Views: 260,133
Posted By ofajen

I did 17 miles yesterday. Only about 10 miles...

I did 17 miles yesterday. Only about 10 miles today but it took a while. Colder today at 28 deg F. I got a leak in the rear tire heading out and had to stop four tines to put air in before I got...
01-09-22, 04:54 PM
Replies: 95
Views: 1,771
Posted By ofajen

How about 402 meters or 1/4 mile? Vroom vroom...

How about 402 meters or 1/4 mile? Vroom vroom sound or card in the spoke would be required. And laying down some rubber at the start, I think.

Otto
01-08-22, 10:22 AM
Replies: 64
Views: 2,378
Posted By ofajen

Weíre cooking with gas, now!

Weíre cooking with gas, now!
01-08-22, 09:54 AM
Replies: 11
Views: 493
Posted By ofajen

This would be excellent for the higher pressure...

This would be excellent for the higher pressure tires typical on over-the-road trucks. They typically run cold inflation pressures around 105-115 psi.

Also can be used with a Presta to Schrader...
01-08-22, 09:44 AM
Replies: 92
Views: 3,785
Posted By ofajen

Itís weight bearing but essentially no impact,...

Itís weight bearing but essentially no impact, which is a good combination. Itís also fun!

Otto
01-08-22, 09:09 AM
Replies: 11
Views: 493
Posted By ofajen

I prefer to inflate a bit over my target pressure...

I prefer to inflate a bit over my target pressure with the floor pump and then bleed air to the pressure I want using a Meiser gauge somewhat like that. Mine is for Presta valves with a range of...
01-07-22, 10:10 PM
Replies: 37
Views: 1,472
Posted By ofajen

https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/594x878/3fd7ade4_c2d1_4ea1_90eb_48727dcfa16d_2e6b50a9d93cb4d9bd24bb7cdc33bf2b28cf9c2c.png
01-06-22, 11:30 AM
Replies: 42
Views: 1,514
Posted By ofajen

I really like using bar end shifters. They are...

I really like using bar end shifters. They are even easy to use in winter with mittens. However, they are also pretty vulnerable to damage since they are out on the end of the handlebars. I tend to...
01-06-22, 09:55 AM
Replies: 42
Views: 1,514
Posted By ofajen

In the C&V forum you will find threads on vintage...

In the C&V forum you will find threads on vintage MTBs and threads on conversion to drop bars or conversion to upright bars. Might be helpful to take a look.

The bars donít really change the...
01-05-22, 02:49 PM
Replies: 66
Views: 1,633
Posted By ofajen

Steady winds of 25+ mph will give me pause to...

Steady winds of 25+ mph will give me pause to consider the route. Itís about 300 watts for me to hold 10 mph into a 25 mph headwind. With my bikes being SS, that means a cadence of about 50 rpm.
01-05-22, 01:45 PM
Replies: 2
Views: 159
Posted By ofajen

I donít have experience with them, but out of...

I donít have experience with them, but out of curiosity, I just called them. Their phone system has not been working right since Monday. The guy who managed to answer before the call got sent to...
01-05-22, 01:33 PM
Replies: 43
Views: 1,292
Posted By ofajen

Agreed. Letís not even mention that. 😀 Otto

Agreed. Letís not even mention that. 😀

Otto
01-05-22, 09:00 AM
Replies: 4,261
Views: 663,835
Posted By ofajen

Last Friday it was over 60 deg F when I rode up...

Last Friday it was over 60 deg F when I rode up to Rocheport on the Katy. Missouri River and I-70 Bridge in the background.

...
01-05-22, 08:55 AM
Replies: 4
Views: 257
Posted By ofajen

Just my two cents. Iíve had great service from...

Just my two cents. Iíve had great service from KMC X8 series chains.

Otto
01-04-22, 10:20 PM
Replies: 3,523
Views: 260,133
Posted By ofajen

I managed to get a quick 10 mile ride in after...

I managed to get a quick 10 mile ride in after getting work done and before it got dark outside. The next three days it will be below freezing all the time so I wanted to be sure to get out for at...
01-04-22, 07:52 PM
Replies: 26,159
Views: 2,769,690
Posted By ofajen

I managed to get a quick 10 mile ride in after...

I managed to get a quick 10 mile ride in after getting work done and before it got dark outside. I wasnít entirely sure if there would still be a bit of ice here and there but things were still...
01-04-22, 10:47 AM
Replies: 53
Views: 1,442
Posted By ofajen

Aluminum doesnít exhibit a fatigue limit the way...

Aluminum doesnít exhibit a fatigue limit the way steel and titanium do. So even very small stresses continue to initiate and expand cracks.

Perhaps the manufacturers could adopt an up front...
01-03-22, 10:22 PM
Replies: 54
Views: 2,055
Posted By ofajen

What tires are you running? Otto

What tires are you running?

Otto
01-03-22, 08:51 PM
Replies: 3,097
Views: 780,328
Posted By ofajen

I got a different 150mm stem of the modern...

I got a different 150mm stem of the modern variety and angled it down on the quill adapter. Now I can get the touring bars low enough to run them in the upright orientation and still get about the...
01-03-22, 09:50 AM
Replies: 13
Views: 616
Posted By ofajen

Thanks but there is nothing there I donít already...

Thanks but there is nothing there I donít already know and do to the extent possible. Saddle position is good, and I use that same test. Bear in mind I ride SS on platform pedals. I push through...
01-03-22, 09:38 AM
Replies: 54
Views: 2,055
Posted By ofajen

Thatís a fair point. My mid-80s Sprint frame was...

Thatís a fair point. My mid-80s Sprint frame was bottom of the line, but itís still a sturdy lugged frame made in Taiwan (by Giant if I have that right).

And after more than 30 years of what...
01-02-22, 09:34 PM
Replies: 54
Views: 2,055
Posted By ofajen

Itís funny how things go. I bought the...

Itís funny how things go.

I bought the Schwinn a few years back to be a campus bike for my son; something so old and cheap as to be less likely to be stolen. The 25Ēframe turned out to be too tall...
01-02-22, 06:23 PM
Replies: 56
Views: 1,348
Posted By ofajen

Thanks. Just pointing out that the third term,...

Thanks. Just pointing out that the third term, the power requirement for wind drag, should clarified as being proportional to Va**2 x Vg, in your nomenclature.

Otto
01-02-22, 02:53 PM
Replies: 13
Views: 616
Posted By ofajen

I used to think similarly but Iím less sure now....

I used to think similarly but Iím less sure now. Iíve noticed that if my arms are angled more forward and up (more forward reach) I feel more tendency to pull myself forward on the saddle when Iím...
01-02-22, 01:43 PM
Replies: 54
Views: 2,055
Posted By ofajen

The Schwinn Sprint was their bottom of the line...

The Schwinn Sprint was their bottom of the line road bike in the 80s, which is saying something. About all that Iím using is the frame and headset. The rest is a pot pourri of my old ďgoodĒ bike...
01-01-22, 04:31 PM
Replies: 56
Views: 1,348
Posted By ofajen

Good question. Iíd expect the air drag term to...

Good question. Iíd expect the air drag term to just have a coefficient for frontal surface area times relative wind speed squared times velocity of the rider. Probably no allowance in that term for...
01-01-22, 03:38 PM
Replies: 56
Views: 1,348
Posted By ofajen

That works. Otto

That works.

Otto
01-01-22, 03:03 PM
Replies: 56
Views: 1,348
Posted By ofajen

Actually that is how you calculate the force of...

Actually that is how you calculate the force of air drag. It is proportional to s**2, where s = the relative wind speed = u + v, where u = wind speed and v = rider speed, in the simple case of a...
Showing results 1 to 50 of 1000
 


 
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