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Search: Posts made by: Doug Cimperman
Forum: Techniques March 10th 19, 08:59 PM Posted to rec.bicycles.tech
Replies: 22
Views: 1,050
Posted By Doug Cimperman
Automatic transmissions considered harmful

On 3/8/2019 7:14 PM, Radey Shouman wrote:
Zen Cycle writes:

On Friday, March 8, 2019 at 1:57:25 PM UTC-5, Radey Shouman wrote:
Beautiful day today, a balmy 21F...
Forum: Techniques January 23rd 19, 12:53 AM Posted to rec.bicycles.tech
Replies: 136
Views: 3,228
Posted By Doug Cimperman
Wider tires, All-road bikes

On 1/22/2019 10:17 AM, Frank Krygowski wrote:
Here's Jan Heine's latest on wide tire road bikes, or "All-Road Bikes."

https://janheine.wordpress.com/

I guess that link takes you to the...
Forum: Techniques January 23rd 19, 12:40 AM Posted to rec.bicycles.tech
Replies: 136
Views: 3,228
Posted By Doug Cimperman
Wider tires, All-road bikes

On 1/22/2019 5:28 PM, wrote:
On Tuesday, January 22, 2019 at 1:19:31 PM UTC-8, Frank Krygowski wrote:
On Tuesday, January 22, 2019 at 3:08:51 PM UTC-5, Sir Ridesalot...
Forum: Techniques January 19th 19, 07:30 AM Posted to rec.bicycles.tech
Replies: 176
Views: 3,588
Posted By Doug Cimperman
What is the point of tubeless tires?

On 1/11/2019 11:11 PM, wrote:
Seriously, what is the point of these things? What problem do they solve and is it worth the extra maintenance hassles for non-racing riders?
...
Forum: Techniques December 25th 18, 06:09 PM Posted to rec.bicycles.tech
Replies: 12
Views: 512
Posted By Doug Cimperman
Bicyycle fairing

On 12/24/2018 11:23 PM, John B. Slocomb wrote:
On Mon, 24 Dec 2018 23:08:52 -0600, Doug Cimperman
wrote:
...
Another possible option would be to build a motorcycle...
Forum: Techniques December 25th 18, 06:08 AM Posted to rec.bicycles.tech
Replies: 12
Views: 512
Posted By Doug Cimperman
Bicyycle fairing

On 12/24/2018 6:13 PM, John B. Slocomb wrote:
...
The problem is far from simple. See the following for a rather
complete discussion of the problem as it applies to "those other two
wheel...
Forum: Techniques December 24th 18, 11:15 PM Posted to rec.bicycles.tech
Replies: 12
Views: 512
Posted By Doug Cimperman
Bicyycle fairing

On 12/22/2018 11:55 PM, John B. Slocomb wrote:
On Sat, 22 Dec 2018 20:14:19 -0800 (PST), Frank Krygowski
wrote:

On Saturday, December 22, 2018 at 6:36:19 PM UTC-5, John...
Forum: Techniques November 23rd 18, 04:36 AM Posted to rec.bicycles.tech
Replies: 14
Views: 445
Posted By Doug Cimperman
-30C Freehub lube?

On 11/22/2018 3:14 PM, Sir Ridesalot wrote:
If a person is riding their bicycle in -30C (without the windchill factored in to even lower temperature) and they have some intermittent cases where the...
Forum: Techniques September 7th 18, 10:57 PM Posted to rec.bicycles.tech
Replies: 10
Views: 930
Posted By Doug Cimperman
East meets West in Portland

On 9/7/2018 8:21 AM, AMuzi wrote:
https://bicycleretailer.us17.list-manage.com/track/click?u=e5e2fb910e77fc3143b48352f&id=e6338b86b1&e=32d8c5268b


"...it made me happy to see other people...
Forum: Techniques August 23rd 18, 07:32 PM Posted to rec.bicycles.tech
Replies: 1
Views: 575
Posted By Doug Cimperman
Tire-making: it's-almost-boring-now-edition

I made another attempt at the steel-belted radial tire project.
http://beevilletire.com/early_attemps/update_015/update_015.html

It took me a while to figure out how to make the rubber strips for...
Forum: Techniques August 11th 18, 02:36 PM Posted to rec.bicycles.tech
Replies: 22
Views: 1,634
Posted By Doug Cimperman
no mountain lions in Chicago

On 8/11/2018 7:50 AM, AMuzi wrote:
https://wbbm780.radio.com/articles/bicyclist-shoots-bicyclist-west-side

Business opportunity: sell a handlebar-mount to hold a Glock 40 sideways
on the...
Forum: Techniques August 10th 18, 07:13 PM Posted to rec.bicycles.tech
Replies: 165
Views: 4,875
Posted By Doug Cimperman
Flat repair

On 8/10/2018 1:14 AM, Andy wrote:
I had to repair a flat. Have some questions.

Is it best to apply patch to a completly flat tube?

I found a small copper wire in tire.

Is there...
Forum: Techniques August 2nd 18, 10:29 PM Posted to rec.bicycles.tech
Replies: 5
Views: 721
Posted By Doug Cimperman
EU bikes all over the city

On 8/2/2018 3:15 PM, wrote:
Now a newspaper article [1] has arrived. It isn't a communal venture like I theorized above but a commercial one, a duplicate of a business model that...
Forum: Techniques July 16th 18, 07:32 PM Posted to rec.bicycles.tech
Replies: 27
Views: 1,113
Posted By Doug Cimperman
29er "pedals easier"

On 7/16/2018 1:25 PM, Emanuel Berg wrote:
Frank Krygowski wrote:

No, bigger wheels do not necessarily mean
more ground clearance. That's a function of
frame design.

Bigger wheels...
Forum: Techniques July 16th 18, 05:17 PM Posted to rec.bicycles.tech
Replies: 27
Views: 1,113
Posted By Doug Cimperman
29er "pedals easier"

On 7/15/2018 3:00 PM, Frank Krygowski wrote:

I might point someone to the book _Bicycling Science_ by Wilson.

All things being equal, on typical road surfaces, a larger diameter
wheel...
Forum: Techniques July 16th 18, 05:11 PM Posted to rec.bicycles.tech
Replies: 27
Views: 1,113
Posted By Doug Cimperman
29er "pedals easier"

On 7/15/2018 10:36 PM, Jeff Liebermann wrote:
...
"Bug Out Bike - Apocalypse Bicycle"
http://www.instructables.com/id/Bug-Out-Bike-Apocalypse-Bicycle/
I like the paint job. Unfortunately,...
Forum: Techniques July 8th 18, 11:47 PM Posted to rec.bicycles.tech
Replies: 144
Views: 5,990
Posted By Doug Cimperman
drill/tap in frames

On 7/7/2018 6:00 PM, Emanuel Berg wrote:
Doug Cimperman wrote:

1) A drill press w/vise will work far better
than a hand drill. If you use a hand drill
in thicker (1mm) metal,...
Forum: Techniques July 7th 18, 07:35 PM Posted to rec.bicycles.tech
Replies: 144
Views: 5,990
Posted By Doug Cimperman
drill/tap in frames

On 7/7/2018 9:27 AM, Emanuel Berg wrote:
Are there any secrets to drilling holes in
steel bike frames? I have a couple of discarded
ones I can test on but I thought I'd
ask anyway.

Do...
Forum: Techniques July 2nd 18, 01:10 PM Posted to rec.bicycles.tech
Replies: 392
Views: 10,707
Posted By Doug Cimperman
Making America into Amsterdam

On 6/29/2018 4:44 PM, Frank Krygowski wrote:
On 6/29/2018 4:54 PM, Lama99 wrote:
On Tuesday, June 26, 2018 at 8:57:17 AM UTC-7, Frank Krygowski wrote:
Interesting article, with data, about...
Forum: Techniques July 2nd 18, 09:26 AM Posted to rec.bicycles.tech
Replies: 392
Views: 10,707
Posted By Doug Cimperman
Making America into Amsterdam

On 6/29/2018 4:44 PM, Frank Krygowski wrote:
On 6/29/2018 4:54 PM, Lama99 wrote:
On Tuesday, June 26, 2018 at 8:57:17 AM UTC-7, Frank Krygowski wrote:
Interesting article, with data, about...
Forum: Techniques July 2nd 18, 12:32 AM Posted to rec.bicycles.tech
Replies: 392
Views: 10,707
Posted By Doug Cimperman
Making America into Amsterdam

On 6/26/2018 10:57 AM, Frank Krygowski wrote:
Interesting article, with data, about how much the Dutch actually ride
their bikes.

...
Forum: Techniques July 1st 18, 09:12 PM Posted to rec.bicycles.tech
Replies: 392
Views: 10,707
Posted By Doug Cimperman
Making America into Amsterdam

On 6/26/2018 10:57 AM, Frank Krygowski wrote:
Interesting article, with data, about how much the Dutch actually ride
their bikes.

...
Forum: Techniques June 16th 18, 01:09 AM Posted to rec.bicycles.tech
Replies: 86
Views: 2,922
Posted By Doug Cimperman
Helmet News

On 6/15/2018 11:54 AM, Emanuel Berg wrote:
AMuzi wrote:

https://www.bicycleretailer.com/industry-news/2018/06/11/kentucky-man-convicted-selling-counterfeit-helmets-ebay#.WyPRf0q99PI

...
Forum: Techniques June 4th 18, 07:01 PM Posted to rec.bicycles.tech
Replies: 17
Views: 1,120
Posted By Doug Cimperman
unicycle

On 6/4/2018 11:23 AM, AMuzi wrote:
On 6/4/2018 10:44 AM, Doug Cimperman wrote:
On 6/4/2018 12:54 AM, Doug Cimperman wrote:
On 6/1/2018 7:07 AM, Emanuel Berg wrote:
...
For a long...
Forum: Techniques June 4th 18, 04:44 PM Posted to rec.bicycles.tech
Replies: 17
Views: 1,120
Posted By Doug Cimperman
unicycle

On 6/4/2018 12:54 AM, Doug Cimperman wrote:
On 6/1/2018 7:07 AM, Emanuel Berg wrote:
...
For a long time (at least 10 - 15 years?) the only source of them seemed
to be the Coker tire...
Showing results 1 to 25 of 146

 
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