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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: Touring
05-21-24, 06:23 PM
Replies: 174
Views: 10,688
Posted By Duragrouch

(above, luggage car racks) Wow, that looks like a...

(above, luggage car racks) Wow, that looks like a really great *system*, easily changed between bike or luggage space.

From what I've heard and read, getting bikes on and off the luggage car,...
Forum: Folding Bikes
05-21-24, 06:07 PM
Replies: 13
Views: 330
Posted By Duragrouch

Under desk at work for occasional rides: Most...

Under desk at work for occasional rides: Most Bike Fridays would be a poor choice for this, in fact the worst, unless you are talking about the Tikit/Pakit series, which fold and unfold fast and...
Forum: Folding Bikes
05-21-24, 03:32 AM
Replies: 155
Views: 11,449
Posted By Duragrouch

By saying I'm wrong, you've proven me correct....

By saying I'm wrong, you've proven me correct. And I don't mean about bikes....
Forum: General Cycling Discussion
05-21-24, 02:08 AM
Replies: 45
Views: 1,277
Posted By Duragrouch

Geared torque-multiplier for lug nuts and such,...

Geared torque-multiplier for lug nuts and such, broke first time I tried it, looked like die-cast pot metal, brought back to Harbor Freight. Same for 1/2" female to 3/8" male square drive socket...
Forum: Advocacy & Safety
05-21-24, 01:54 AM
Replies: 25
Views: 646
Posted By Duragrouch

When I was young, older teen kids would run over...

When I was young, older teen kids would run over peoples' mailboxes out at the road for fun. My dad got tired of it. He sunk a piece of solid steel, I think about 1-1/2" x 3" section, a few feet deep...
Forum: Introductions
05-21-24, 01:14 AM
Replies: 4
Views: 127
Posted By Duragrouch

Welcome to the forums. Introductions is for...

Welcome to the forums.

Introductions is for mostly telling about you.

This is more tech-oriented. I can see you later posted on this same subject in General Cycling Discussion, which has more...
Forum: Road Cycling
05-21-24, 12:52 AM
Replies: 33
Views: 671
Posted By Duragrouch

I quit when I couldn't get them with decent...

I quit when I couldn't get them with decent padding. I used to run Grab-Ons foam and well padded gloves. Can't find the latter, and can't fit Grab-Ons with GripShifts and oversize bar ends. Currently...
Forum: Bicycle Mechanics
05-21-24, 12:28 AM
Replies: 9
Views: 231
Posted By Duragrouch

Your reasons for "upgrading" would be helpful to...

Your reasons for "upgrading" would be helpful to know, and yes, it is perfectly acceptable to say the new systems look cool to you, or you want simplicity of shifts of 1X.

But purely on utility,...
Forum: Folding Bikes
05-21-24, 12:06 AM
Replies: 13
Views: 330
Posted By Duragrouch

(OP) All good points above; Crimson is a longtime...

(OP) All good points above; Crimson is a longtime folder contributor.

I would also add:
- Telescoping handlepost/riser (the long verticle part between the head tube and handlbars, not a...
Forum: Folding Bikes
05-20-24, 11:36 PM
Replies: 13
Views: 330
Posted By Duragrouch

Zizzo Liberte is not bad from what others have...

Zizzo Liberte is not bad from what others have said, far above what used to be a budget bike.

I have what used to be a low-range folder, a Dahon Speed, and have modded significantly, not in size...
Forum: General Cycling Discussion
05-20-24, 10:19 PM
Replies: 109
Views: 4,584
Posted By Duragrouch

If not, they'll say he did it wrong. Clean three...

If not, they'll say he did it wrong. Clean three times in fresh solvent, then a final rinse in Smirnoff vodka and dry in direct sun, then melt the wax but don't get a drop of water in the wax or on...
Forum: General Cycling Discussion
05-20-24, 09:33 PM
Replies: 49
Views: 1,730
Posted By Duragrouch

(above) I did not know either! Thanks!

(above) I did not know either! Thanks!
Forum: General Cycling Discussion
05-20-24, 09:26 PM
Replies: 109
Views: 4,584
Posted By Duragrouch

Pivoting at the pins, it can be sticky around the...

Pivoting at the pins, it can be sticky around the derailleur pulleys for about 30 seconds after initial waxing, but that clears up really fast. Lateral flexibility is more dependent on outer plate...
Forum: Touring
05-20-24, 08:38 PM
Replies: 69
Views: 1,893
Posted By Duragrouch

From what I understand, California now doesn't...

From what I understand, California now doesn't sell disposable 1lb propane bottles, and that has drastically brought down the price of refillable 1lb'ers. $19 or 2 @ $17 each on amazon. Most places...
Forum: General Cycling Discussion
05-20-24, 08:05 PM
Replies: 35
Views: 816
Posted By Duragrouch

I only use 50:11 (406) on mild downgrades or with...

I only use 50:11 (406) on mild downgrades or with a tailwind, or really stoking on the aerobars on the flats; Very high cadence is more difficult for me when in the tuck on the aeros. It's important...
Forum: Bicycle Mechanics
05-20-24, 07:49 PM
Replies: 23
Views: 683
Posted By Duragrouch

Now don't be opening up a whole mess'o'potamia....

Now don't be opening up a whole mess'o'potamia. Who knows what will eNSUe.
Forum: General Cycling Discussion
05-20-24, 07:47 AM
Replies: 35
Views: 816
Posted By Duragrouch

Noddenough. 20x1.75 with 50:11 only gets me 85...

Noddenough. 20x1.75 with 50:11 only gets me 85 gear inches, which is bare minimum high end for me, just enough to pedal down mild grades, but it's enough. 34:30 gets me 21 inches, enough for now,...
Forum: General Cycling Discussion
05-20-24, 07:28 AM
Replies: 49
Views: 1,730
Posted By Duragrouch

That Halfway did look cool. But try to mount...

That Halfway did look cool. But try to mount front and rear racks on single-sided forks. A better view than you may have seen:...
Forum: General Cycling Discussion
05-20-24, 06:38 AM
Replies: 35
Views: 816
Posted By Duragrouch

Welp, I guess what I'm trying to say is, the...

Welp, I guess what I'm trying to say is, the newer setup you mention is better than the old. But if you haven't already bought parts, you should evaluate if that will get you everything you want,...
Forum: General Cycling Discussion
05-20-24, 02:29 AM
Replies: 35
Views: 816
Posted By Duragrouch

Like I said, the going down a tooth on the high...

Like I said, the going down a tooth on the high cog will make more of a difference in (higher) speed than dropping down a couple teeth on the high chainring. That said, do you need a higher high?...
Forum: Touring
05-20-24, 01:15 AM
Replies: 69
Views: 1,893
Posted By Duragrouch

Yeah my local hardware (famous place) used to...

Yeah my local hardware (famous place) used to carry gallons of coleman fuel, and then not when the price went way up. Never once saw cartridges there, but then they were 2 miles from REI's flagship...
Forum: Framebuilders
05-20-24, 12:55 AM
Replies: 50
Views: 2,098
Posted By Duragrouch

Used to be, lots of bikes (nearly all) were...

Used to be, lots of bikes (nearly all) were designed by non-engineers, who had no access to advanced design tools. Even the big makers didn't have the horsepower to solid model a frame and do FEA in...
Forum: General Cycling Discussion
05-20-24, 12:29 AM
Replies: 35
Views: 816
Posted By Duragrouch

The new wider cassette, gains you more gear...

The new wider cassette, gains you more gear range, than the slightly more narrow triple, loses range. And with 16T max drop on most front derailleurs now, you can go wider still, or go 11-36T and get...
Forum: Framebuilders
05-20-24, 12:08 AM
Replies: 50
Views: 2,098
Posted By Duragrouch

Fair enough. Perhaps I got too far into the...

Fair enough. Perhaps I got too far into the weeds. Apologies. I was only trying to explain what *does* change elastic stiffness, and no, welding process isn't one of those things, as others pointed...
Forum: Bicycle Mechanics
05-19-24, 11:41 PM
Replies: 18
Views: 295
Posted By Duragrouch

Completely understandable. Going forward, I...

Completely understandable.

Going forward, I cannot overemphasize the helpfulness of checklists, for travel especially. And once done for a given type of trip (or standard template), the big work...
Forum: Bicycle Mechanics
05-19-24, 08:02 PM
Replies: 18
Views: 295
Posted By Duragrouch

Sorry to hear that. The success of fit should be...

Sorry to hear that. The success of fit should be pretty straighforward; No binding, no more slack lateral* or in tension than other links, doesn't protrude above the other links when wrapped on a cog...
Forum: Indoor & Stationary Cycling Forum
05-19-24, 06:45 PM
Replies: 14
Views: 352
Posted By Duragrouch

There was a really good Radiolab some years ago...

There was a really good Radiolab some years ago about detecting the difference between true random data and contrived.
Forum: General Cycling Discussion
05-19-24, 06:43 PM
Replies: 45
Views: 1,277
Posted By Duragrouch

Sanford. I did not know that!

Sanford.



I did not know that!
Forum: General Cycling Discussion
05-19-24, 06:15 PM
Replies: 45
Views: 1,277
Posted By Duragrouch

Fun trivia: What was Redd Foxx's birth (real)...

Fun trivia: What was Redd Foxx's birth (real) name?
Forum: Framebuilders
05-19-24, 05:51 PM
Replies: 50
Views: 2,098
Posted By Duragrouch

Well, perhaps simpler in that loading on a bike...

Well, perhaps simpler in that loading on a bike frame is always well below the elastic limit, for long fatigue life. Springs are much simpler in shape, and useful for explaining very basic mechanics...
Forum: Framebuilders
05-19-24, 04:46 AM
Replies: 50
Views: 2,098
Posted By Duragrouch

Pure chrome is brittle. That doesn't mean steel...

Pure chrome is brittle. That doesn't mean steel with chrome content is brittle.

Chrome has a very strong affinity to bonding with carbon to form chromium carbides, which, unfortunately, often grow...
Forum: Framebuilders
05-19-24, 04:02 AM
Replies: 50
Views: 2,098
Posted By Duragrouch

Just a few thoughts, basic, do not address all...

Just a few thoughts, basic, do not address all things above.

A coil spring, in compression or tension (force direction in line with the coil axis), puts the spring wire in both bending and torsion...
Forum: General Cycling Discussion
05-19-24, 02:18 AM
Replies: 45
Views: 1,277
Posted By Duragrouch

LOL! I hadn't heard of them until seeing the...

LOL!

I hadn't heard of them until seeing the Mercier Nano on there, looked like sensational deal, then looked deeper for reviews, not terrible, but not quite up to typical bike standards these...
Forum: Bicycle Mechanics
05-19-24, 12:26 AM
Replies: 43
Views: 1,123
Posted By Duragrouch

Oh, yes. One set of tires I looked at, seemed...

Oh, yes. One set of tires I looked at, seemed fine, but then I pinched them, and could see the age of the rubber in fine cracks, I passed. And rubber can age well before that in terms of traction....
Forum: General Cycling Discussion
05-19-24, 12:12 AM
Replies: 45
Views: 1,277
Posted By Duragrouch

JB Weld is a known hold-my-beer-Bubba solution,...

JB Weld is a known hold-my-beer-Bubba solution, but in this case, it might actually work. It's an epoxy resin. It's black. It says ok to use on carbon. It's cheap. But I'd still try a dab on...
Forum: Bicycle Mechanics
05-18-24, 11:42 PM
Replies: 18
Views: 295
Posted By Duragrouch

AH, well, if you just mean the roller ID/pin OD...

AH, well, if you just mean the roller ID/pin OD as possible change, yeah. But outside roller diameter, yeah, that's a definite compatibility issue. Of course, I don't think they can patent a...
Forum: Bicycle Mechanics
05-18-24, 11:01 PM
Replies: 12
Views: 297
Posted By Duragrouch

When I put a (non-campy) triple on my road bike,...

When I put a (non-campy) triple on my road bike, the original 105 double FD, worked perfect. It had enough lateral travel (replaced cone and cup BB with slightly longer cartridge BB), and with just a...
Forum: Bicycle Mechanics
05-18-24, 10:45 PM
Replies: 18
Views: 295
Posted By Duragrouch

Thanks as usual, FB. Y'know I wondered about pin...

Thanks as usual, FB. Y'know I wondered about pin size after I posted, but thought, nah, probably same. OP will tell us.

If flat tops use a different roller diameter, that also means only...
Forum: Indoor & Stationary Cycling Forum
05-18-24, 10:05 PM
Replies: 14
Views: 352
Posted By Duragrouch

Wait, what are the inputs, and what are the...

Wait, what are the inputs, and what are the outputs? I'm not sure I see what is being simulated or calculated.
Forum: General Cycling Discussion
05-18-24, 09:55 PM
Replies: 45
Views: 1,277
Posted By Duragrouch

I could be wrong... but if the area where mat is...

I could be wrong... but if the area where mat is visible seems structurally ok, I think you've got nothing to lose by cleaning that area with something that will clean it but not dissolve any resin,...
Forum: Bicycle Mechanics
05-18-24, 08:37 PM
Replies: 18
Views: 295
Posted By Duragrouch

Like I said, I have zero experience with that...

Like I said, I have zero experience with that modern a system, just trying to logic things out. Fit should be most critical on smallest cog, if it works there, probably others as well.
Forum: Bicycle Mechanics
05-18-24, 08:30 PM
Replies: 18
Views: 295
Posted By Duragrouch

I'm not an expert, but I assume by flat top, you...

I'm not an expert, but I assume by flat top, you mean one of those chain links or connector outer plate that is flat on one side/edge but concave on the other? If so, should work fine, you just...
Forum: General Cycling Discussion
05-18-24, 08:01 PM
Replies: 109
Views: 4,584
Posted By Duragrouch

Derailleurs have no countershaft and churning of...

Derailleurs have no countershaft and churning of 12 constant-mesh spur gears to get 6 speeds like Pinion, or planetary gearsets. Inherently efficient.

Wax: Actually I think it's the reverse; The...
Forum: Touring
05-18-24, 07:42 PM
Replies: 69
Views: 1,893
Posted By Duragrouch

Yes and also someone mentioned a problem, darn...

Yes and also someone mentioned a problem, darn what was it... I think the lithium battery fully charged was ever so slightly overvolt for the CPAP so it wouldn't turn on due to protection circuit,...
Forum: Touring
05-18-24, 07:36 PM
Replies: 69
Views: 1,893
Posted By Duragrouch

I have always run my CPAP with no water or heat,...

I have always run my CPAP with no water or heat, so a lot less cleaning. Only recently after upping pressure have I woke with really dry mouth and throat. But blower alone uses a lot less power,...
Forum: Touring
05-18-24, 06:57 PM
Replies: 69
Views: 1,893
Posted By Duragrouch

Wow I'll have to look for those fuel cells, check...

Wow I'll have to look for those fuel cells, check progress on that.

75% of a car battery per night is a lot. Was that with humidifier and/or tube heat, or just the blower? I had bought an adaptor...
Forum: Touring
05-18-24, 05:54 PM
Replies: 69
Views: 1,893
Posted By Duragrouch

Yes, but it's almost 3/4 the price of a gallon,...

Yes, but it's almost 3/4 the price of a gallon, for 1/4 the quantity. Look on REI, it's $15/quart (MSR) vs $19 for a gallon (Coleman). A quart of Coleman is $12 on amazon.

Many places have stopped...
Forum: General Cycling Discussion
05-18-24, 04:58 PM
Replies: 49
Views: 1,730
Posted By Duragrouch

My guess is the Honda RC30 and subsequent VFR. ...

My guess is the Honda RC30 and subsequent VFR.

I think BMW may have been first on that, not certain, in concert with their shaft drive on the right side. VFRs had single-sided swing arm and chain...
Forum: Bicycle Mechanics
05-18-24, 04:48 PM
Replies: 23
Views: 683
Posted By Duragrouch

Yep, that is definitely of the Big Wire Ring...

Yep, that is definitely of the Big Wire Ring type. Usually when in place, the spring is under light tension, or if higher, insufficient to cause metal fatigue (and it's put in place by slipping over...
Forum: Bicycle Mechanics
05-18-24, 02:36 PM
Replies: 23
Views: 683
Posted By Duragrouch

Is the retaining ring a big wire ring, or a flat...

Is the retaining ring a big wire ring, or a flat plate like a giant c-clip? Is it fixed or free to rotate with respect to the pins? I'm just wondering about why it failed, if under any stress, or...
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