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Search: Posts Made By: Duragrouch
Showing results 1 to 50 of 1000
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Forum: Bicycle Mechanics
06-23-24, 12:12 AM
Replies: 7
Views: 339
Posted By Duragrouch

For that same price, you can get a 100 piece bit...

For that same price, you can get a 100 piece bit set with box, plus the bits! Granted, these are not the best bits, a small pin-spanner bit, the pins snapped off instantly, brittle, but again, free...
Forum: Touring
06-22-24, 08:46 PM
Replies: 37
Views: 669
Posted By Duragrouch

I use a footprint/ground-cloth. To me, the only...

I use a footprint/ground-cloth. To me, the only reason not to is if needing to be ultralight. My standard footprint is heavier weight clear plastic. I do have a lighter polyester one picked up dirt...
Forum: Bicycle Mechanics
06-22-24, 08:10 PM
Replies: 18
Views: 351
Posted By Duragrouch

As others have said, the rack weight limit...

As others have said, the rack weight limit applies to its cargo, and the fork limit applies to total of cargo and rack. 20 kg is quite common rating for racks; My small front "sixer" rack that...
Forum: Folding Bikes
06-22-24, 07:36 PM
Replies: 98
Views: 8,130
Posted By Duragrouch

I myself like a tall stem, typical max Dahon stem...

I myself like a tall stem, typical max Dahon stem height, even though I'm 7 inches shorter than their max advertised fit. I have my clip-on aero-bars for an aero position if needed. The seatpost goes...
Forum: Folding Bikes
06-22-24, 02:24 AM
Replies: 25
Views: 674
Posted By Duragrouch

Yeah that Dahon Unio appears to use a Dahon...

Yeah that Dahon Unio appears to use a Dahon proprietary motor, and with that small motor and small battery, is not nearly that light as you mention above. I would guess it is also a proprietary motor...
Forum: Folding Bikes
06-22-24, 01:47 AM
Replies: 69
Views: 2,255
Posted By Duragrouch

(above) Video of Saigon/HCMC rush hour: YIKES! At...

(above) Video of Saigon/HCMC rush hour: YIKES! At least there is higher throughput as everyone is on motorbikes instead of cars, but yeah, not my idea of fun. A good friend in February visited...
Forum: Northeast
06-21-24, 11:43 PM
Replies: 84
Views: 4,126
Posted By Duragrouch

Well said. I agree with all. Uber drivers...

Well said. I agree with all.

Uber drivers should pay an equal license fee and be required to have the same training and background check as medallion taxis, or taxi owners should have their...
Forum: Folding Bikes
06-21-24, 10:23 PM
Replies: 6
Views: 278
Posted By Duragrouch

^^The smart person in the room.^^ Thanks. As my...

^^The smart person in the room.^^ Thanks. As my father would say, "Why the hell didn't I think of that?"
Forum: Classic & Vintage
06-21-24, 10:17 PM
Replies: 49
Views: 1,832
Posted By Duragrouch

Yes, and I think before failure, the rider would...

Yes, and I think before failure, the rider would be wondering why the crank suddenly felt like a wet noodle, not in bending as much as torsion, I think enough to affect the pedal angle a noticeable...
Forum: Folding Bikes
06-21-24, 09:42 PM
Replies: 25
Views: 674
Posted By Duragrouch

Yeah there aren't as many mid-drive 20" folders,...

Yeah there aren't as many mid-drive 20" folders, and I think one of several reasons is there is less advantage; A 26" and larger wheel, a rear hub motor needs more torque, than a 20" with hub motor....
Forum: Folding Bikes
06-21-24, 08:42 PM
Replies: 69
Views: 2,255
Posted By Duragrouch

(above) That's a really good deal, for bikes that...

(above) That's a really good deal, for bikes that will work well, be very capable (even for loaded touring) and be durable, if transit through there is feasible and build cost is not too much. Only...
Forum: Mountain Biking
06-21-24, 08:12 PM
Replies: 40
Views: 1,090
Posted By Duragrouch

Thanks, info appreciated! Weight and stem...

Thanks, info appreciated!

Weight and stem length... gosh, I don't know, there's a ton of factors in play, for example, I wonder if, on a steep incline and you suddenly grab the front brake, will...
Forum: Folding Bikes
06-21-24, 07:51 PM
Replies: 69
Views: 2,255
Posted By Duragrouch

(above) What are the best countries in terms of...

(above) What are the best countries in terms of folding bike prices, worthwhile enough difference to start a tour there? And is a brompnot 6 anywhere in the equation for one of the kids or all?
...
Forum: Folding Bikes
06-21-24, 07:32 PM
Replies: 25
Views: 674
Posted By Duragrouch

Possibly. Electric motors are far better...

Possibly.

Electric motors are far better balanced than the best piston engines, due to no reciprocating mass. So they can spin fast, no problem. Motor size is often more governed by maximum torque...
Forum: Mountain Biking
06-21-24, 06:48 PM
Replies: 40
Views: 1,090
Posted By Duragrouch

Edited second link in post #29 in response to...

Edited second link in post #29 in response to member saying link did not work. If you tried to pull up the research paper and it didn't work, please see my edit. Thanks.
Forum: Mountain Biking
06-21-24, 06:18 PM
Replies: 40
Views: 1,090
Posted By Duragrouch

This is a bit of a surprise to me. I don't ride...

This is a bit of a surprise to me. I don't ride motorcycles, on or off road. I could see a steering damper for on-highway, as speeds could get into the regime of speed-wobble. (EDIT: The above link...
Forum: Mountain Biking
06-21-24, 05:26 AM
Replies: 40
Views: 1,090
Posted By Duragrouch

I would guess that on a downhill racer, a...

I would guess that on a downhill racer, a steering damper may be for both reducing hard steering feedback, and possibly speed wobble, but I don't know speeds reached in mountain downhill. That genre...
Forum: Mountain Biking
06-21-24, 02:27 AM
Replies: 40
Views: 1,090
Posted By Duragrouch

The following is what I have bookmarked. I also...

The following is what I have bookmarked. I also downloaded a much more detailed writeup (PDF) showing the program parameters and videos of rolling tests of the constructed "two-mass-skate" (IIRC),...
Forum: Folding Bikes
06-21-24, 01:24 AM
Replies: 25
Views: 674
Posted By Duragrouch

Just saw online, Zizzo E-Forte, I think may meet...

Just saw online, Zizzo E-Forte, I think may meet OP's criteria and not cost a fortune:

https://zizzo.bike/products/e-forte

People here have said good things about (non-electric) Zizzos.
Forum: Advocacy & Safety
06-21-24, 01:03 AM
Replies: 57
Views: 2,030
Posted By Duragrouch

Blood alcohol reported as over 0.15: Gosh this is...

Blood alcohol reported as over 0.15: Gosh this is decades ago, but I thought I recall an article in Car & Driver where they actually set about doing a test on a closed skidpad, and I think by the...
Forum: Road Cycling
06-20-24, 11:37 PM
Replies: 25
Views: 497
Posted By Duragrouch

Can't remember which thread or link, but just saw...

Can't remember which thread or link, but just saw on here within the last day, a road bike that came from the factory with lower depth V on the front versus rear, I immediately noticed it.
Forum: Folding Bikes
06-20-24, 11:21 PM
Replies: 25
Views: 674
Posted By Duragrouch

I see all the time, bikes that are both pedal...

I see all the time, bikes that are both pedal assist (adjustable), and purely throttled. I don't know what exists in the OP's home market, but I'm certain that if they, for example, expect to be...
Forum: Classic & Vintage
06-20-24, 10:34 PM
Replies: 36
Views: 1,138
Posted By Duragrouch

I didn't add an eyelet to the rim I repaired,...

I didn't add an eyelet to the rim I repaired, just the socket. So no drilling at the spoke hole (which was cracked) or riveting, just a flared thimble that transferred all the spoke tension to the...
Forum: Mountain Biking
06-20-24, 10:20 PM
Replies: 40
Views: 1,090
Posted By Duragrouch

Noted and corrected. Thank you.

Noted and corrected. Thank you.
Forum: Folding Bikes
06-20-24, 10:05 PM
Replies: 25
Views: 674
Posted By Duragrouch

Next question: How much will you be using the...

Next question: How much will you be using the electric drive?
- All the time, barely pedaling or not pedaling.
- Not much, just for some assist up hills.
- With pedaling, but constant use for...
Forum: Classic & Vintage
06-20-24, 09:53 PM
Replies: 49
Views: 1,832
Posted By Duragrouch

Oh I know your comment was tongue-in-cheek. But I...

Oh I know your comment was tongue-in-cheek. But I thought it was also a good teaching moment, not to you, but to the general audience. Crank arms are very stressed. The best way to cut weight is make...
Forum: Bicycle Mechanics
06-20-24, 01:35 AM
Replies: 31
Views: 904
Posted By Duragrouch

I did notice when cassette rear hubs went from a...

I did notice when cassette rear hubs went from a swell on the drive-side and then narrowed to much thinner toward the non-drive-side, to a constant section cylinder between the flanges. Even without...
Forum: Folding Bikes
06-20-24, 01:04 AM
Replies: 1
Views: 181
Posted By Duragrouch

It most probably came with same size tires front...

It most probably came with same size tires front and rear. Note, there is a lot of variation on 26" tire bead seat diameter (BSD), especially between current (mountain bike) 26" and older city bikes;...
Forum: Folding Bikes
06-20-24, 12:54 AM
Replies: 6
Views: 278
Posted By Duragrouch

In recent decades, the frame style doesn't...

In recent decades, the frame style doesn't matter, as all good mechanics grab the seatpost, not the frame, the frame tubes have gotten mighty thin, whereas on most seatposts, no. I don't know what...
Forum: Folding Bikes
06-19-24, 11:52 PM
Replies: 69
Views: 2,255
Posted By Duragrouch

It's like there's an echo in here. Or merely...

It's like there's an echo in here. Or merely consensus. :) I think the killer app for the Dual Drive was Euro city bikes that people used to commute in business clothes, because it could offer a...
Forum: Classic & Vintage
06-19-24, 11:24 PM
Replies: 36
Views: 1,138
Posted By Duragrouch

This is an area where I would love my perceptions...

This is an area where I would love my perceptions to be wrong. Other stuff too, if it proves better than expected. I saw similar rims for sale used on ebay at premium vintage prices, could not find...
Forum: Folding Bikes
06-19-24, 07:14 PM
Replies: 69
Views: 2,255
Posted By Duragrouch

Oh, yeah, I think you're right. Sorry I got my...

Oh, yeah, I think you're right. Sorry I got my IGH companies confused. That would explain why previous manufacturers using the Dual Drive dropped it completely. Anyway, thanks for the correction.
Forum: Mountain Biking
06-19-24, 06:31 PM
Replies: 40
Views: 1,090
Posted By Duragrouch

Well certainly not gearing. A BMX would require...

Well certainly not gearing. A BMX would require standing climbing and not have the endurance of a mountain bike with lower gearing.

Not traction in really soft stuff, as a 26" wheel has a much...
Forum: Classic & Vintage
06-19-24, 05:01 AM
Replies: 49
Views: 1,832
Posted By Duragrouch

Well, notably, the cranks arms are subjected to...

Well, notably, the cranks arms are subjected to bending AND torsion, and lemme tell ya, it would get pretty twisty if drilled. At least the spider arms are pretty much pure cantilever bending....
Forum: Mountain Biking
06-19-24, 04:37 AM
Replies: 40
Views: 1,090
Posted By Duragrouch

I brought facts, you brought insults. ...

I brought facts, you brought insults.

Climbing uphill on a mountain bike has tons in common with climbing uphill on a BMX bike. My bike has identical wheels, wheelbase, weight distribution, and...
Forum: Classic & Vintage
06-19-24, 03:04 AM
Replies: 18
Views: 632
Posted By Duragrouch

The stove shown appears to be an MSR Pocket...

The stove shown appears to be an MSR Pocket Rocket. Bike Friday has a model known as a Pocket Rocket. Maybe that's the vibe they were going for.



Known within the auto industry as a "prindle"...
Forum: Touring
06-19-24, 12:39 AM
Replies: 9
Views: 663
Posted By Duragrouch

Yep, my guess was they would just route tight...

Yep, my guess was they would just route tight against that treeline, a safe distance from the slide.

Man, that shovel I keep seeing perched on the edge of the slide, makes me awful nervous, next...
Forum: Classic & Vintage
06-19-24, 12:21 AM
Replies: 36
Views: 1,138
Posted By Duragrouch

I honestly don't know if that is on the heavy or...

I honestly don't know if that is on the heavy or light side. I LOVE double socket rims, proven durability with me, but I'd thought that 36 or 32 steel "thimbles" would add significant weight, and all...
Forum: Folding Bikes
06-19-24, 12:05 AM
Replies: 69
Views: 2,255
Posted By Duragrouch

I'm on board with you, that's the magic range. I...

I'm on board with you, that's the magic range. I try not to rain on someone's parade if they want to go a certain direction, and I commend you for doing same. The OP may read the above and have more...
Forum: Folding Bikes
06-18-24, 09:12 PM
Replies: 69
Views: 2,255
Posted By Duragrouch

That's an excellent range. And, like you said,...

That's an excellent range. And, like you said, large overlap, so that 2nd/middle-range means they can run 99% of the time in that range, and that's both more efficient (less friction loss, perhaps...
Forum: Classic & Vintage
06-18-24, 06:20 AM
Replies: 49
Views: 1,832
Posted By Duragrouch

"I don't know why you insist on learning things...

"I don't know why you insist on learning things the hard way, but you gon' learn. Oh yeah, you gon' learn." - Furious Styles, Boyz n the Hood (1991)
Forum: Road Cycling
06-18-24, 12:24 AM
Replies: 39
Views: 1,169
Posted By Duragrouch

Understood. A couple quick things to help you...

Understood. A couple quick things to help you going forward, I hope this does not overwhelm you. If so, just stash for the future:

- Online gear-calculators are fantastic, saving you lots of...
Forum: General Cycling Discussion
06-17-24, 11:25 PM
Replies: 84
Views: 2,200
Posted By Duragrouch

That's good to hear. I was not aware because I...

That's good to hear. I was not aware because I have stayed away from it, plus I don't have a TV.
Forum: General Cycling Discussion
06-17-24, 10:53 PM
Replies: 84
Views: 2,200
Posted By Duragrouch

I'm very unusual. Over the last 15 years I have...

I'm very unusual. Over the last 15 years I have become averse to competitive sports. Part of it is promoters who actively encourage conflict and trash-talk to increase the theater of it and...
Forum: Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling
06-17-24, 08:49 PM
Replies: 6
Views: 427
Posted By Duragrouch

I never knew the name Boyer. Looking now, I can't...

I never knew the name Boyer. Looking now, I can't believe that he was the first USA participant in the TdF in 1981, only a few years befor LeMond's win. Hard to realize that in all the decades prior,...
Forum: Bicycle Mechanics
06-17-24, 08:30 PM
Replies: 14
Views: 316
Posted By Duragrouch

I now realize that you are talking about what I...

I now realize that you are talking about what I called a Teleflex cable, also known as a Bowden cable for both pull-only, and push/pull application, like controlling a manual choke on an engine....
Forum: Bicycle Mechanics
06-17-24, 04:19 AM
Replies: 14
Views: 316
Posted By Duragrouch

Hah, that's the same link I found when looking it...

Hah, that's the same link I found when looking it up. It's nice that Shimano maintains history pages.

That Rene Herse one looked awesome, but it was like five hundred bucks! And what I really...
Forum: Folding Bikes
06-17-24, 04:03 AM
Replies: 69
Views: 2,255
Posted By Duragrouch

Just be sure to not buy the Joe Strumey Archer...

Just be sure to not buy the Joe Strumey Archer hub; The gears Clash. :rolleyes:
Forum: Bicycle Mechanics
06-17-24, 03:09 AM
Replies: 14
Views: 316
Posted By Duragrouch

This is interesting to me, because I saw in...

This is interesting to me, because I saw in Bicycle Quarterly a rear(?) derailleur I think, with a pull cable in both directions and no spring, supposed to give feather light shift force. Rene Herse...
Forum: Touring
06-17-24, 02:38 AM
Replies: 7
Views: 531
Posted By Duragrouch

Thanks. I've mentioned similar policies in other...

Thanks. I've mentioned similar policies in other threads, ability to take full-size bike with no oversize charge, many airlines. But... last I checked, this was all airlines which still charged $35...
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