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#41
For Sale by Members / Re: Wanted: Bike Travel Bag or...
Last post by karlos - May 06, 2025, 05:04:51 PM
Ken - I really love my EVOC travel bag. Click here for some photos. I'm not willing to sell, but can lend it to an NCCC member who will take good care of it. Mine was bought in 2017 and the interior mounting frame they sell now is better. I bought this as I went on a tour traversing the rim of the Alps from Ljubljana, Slovenia to Nice in 2016 with 20 other folks, the majority of whom travelled with EVOCs all over the world. I figured they knew what they were doing. ;)
#42
For Sale by Members / Wanted: Bike Travel Bag or Cas...
Last post by kcpurcell - May 06, 2025, 04:04:44 PM
I currently use an Orucase "Ninja" for airplane trips, but my 61cm frame bike doesn't really fit and it's a hassle to drop the fork for the Orucase. TSA messed up last time and didn't correctly repack the bike (since it's such a tight fit) and some things got bent.

I'm looking for a recommendation for a bike travel case or bag. Topeak Gopak X? EVOC? Thule? Do you have one that you want to sell?

Ken Chin-Purcell
email me: ken at chin-purcell.org
message me: six five one 644-4091

Thanks for any leads
#43
Club Rides & Events / All rides on Sat., May 10th
Last post by Steve Fox - May 06, 2025, 09:39:24 AM
All rides:  possible excessive heat warning this Saturday.
Likely to be mid- to high-80s by the end of the ride.
Advise bringing extra water and possibly electrolytes to stave off cramps during hot weather riding.
#44
Club Rides & Events / Re: Trip signal lights with ca...
Last post by karlos - May 05, 2025, 11:51:35 PM
Quote from: Daniel Upton on May 05, 2025, 05:00:20 PMSuper interesting!  Question:  Are the non-circular zones as easy to visually detect as the circles?  I regularly notice the circular ones, which have that obvious circle showing, but maybe I'm overlooking the others.
Daniel - I've seen all loop wire geometries as indicated on our Wires to the Tires slide. The only time you can't see where the wires are is when a slurry seal overlay hides them. You have to guess where they are so it's nice if they put a stencil on there showing where the wheel goes (rare in SD County) or after they do a full pavement resurface where the wires need to be reset.
#45
Club Rides & Events / Re: Trip signal lights with ca...
Last post by karlos - May 05, 2025, 11:46:53 PM
Quote from: Cody Barnes on May 05, 2025, 04:21:19 PMInteresting idea! I initially thought that a ferro-magnetic metal was required to trip the sensors. But apparently any conductive material works.
Cody - Read the paragraph on page 3 of attached which starts "There is a common misconception that an object must be ferrous (include iron) to activate a traffic signal loop sensor, or that a ferrous object will perform better." Read Common Rim Materials paragraph at the end to show performance of aluminum as the conductor.

I haven't done this myself yet and ymmv (mine, too). Phil Young, head of the defunct local Wheelmen chapter, is the source of the 90% anecdote I mentioned at first and who shared this with me.
#46
Club Rides & Events / Re: Trip signal lights with ca...
Last post by Daniel Upton - May 05, 2025, 05:00:20 PM
Super interesting!  Question:  Are the non-circular zones as easy to visually detect as the circles?  I regularly notice the circular ones, which have that obvious circle showing, but maybe I'm overlooking the others.
#47
Club Rides & Events / Re: Trip signal lights with ca...
Last post by Cody Barnes - May 05, 2025, 04:21:19 PM
Interesting idea! I initially thought that a ferro-magnetic metal was required to trip the sensors. But apparently any conductive material works. This link has some interesting details about how that works.

A few years ago, San Diego city estimated that about 1/3 of the 30,000 sensor loops were malfunctioning or non-operational. At the time, they were beginning a campaign to start fixing those. However, at an expected rate of fixing about 250 per year, it was expected that it would take up to 40 years to fix them all.

https://www.sandiegouniontribune.com/2022/07/30/new-san-diego-campaign-aims-to-reduce-traffic-by-replacing-broken-traffic-sensors-4/
#48
Club Rides & Events / Re: Trip signal lights with ca...
Last post by karlos - May 05, 2025, 03:56:29 PM
It works by electromagenetic induction. For physics aficianados: Maxwell's equations (simpler, Faraday's Law)
#49
Club Rides & Events / Re: Trip signal lights with ca...
Last post by karlos - May 05, 2025, 03:51:57 PM
If you haven't yet been to Smart Cycling, this is what is shown  8)
#50
Club Rides & Events / Trip signal lights with carbon...
Last post by karlos - May 05, 2025, 03:47:00 PM
All who have taken Smart Cycling know that the best way to trip signal lights with standard loop detectors marked by wires on the pavement is to place your tires tangent to the wires - Tires to the Wires! It works great for aluminum rims. However, carbon rims have low conduction properties and Tires to the Wires! generally will not work. Here is a tip that may help you carbon wheel folks. You can buy HVAC aluminum tape with adhesive at your h/w store (used to wrap pipes and vents) and cut a strip to place over your rim tape (even if you run tubeless). It has been reported to trip signals > 90% of the time. So you, too, can trip those signals now.