On Nov 26, 2022, at 10:54 AM, 'Eric Norris' via randon <ran...@googlegroups.com> wrote:If you’re talking about charging your lights during PBP (at the controls, for instance), I would say that is an unequivocally bad idea.
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I don't believe that will automatically work. USB-C runs a,
well, pretty simple handshake to change the supplied voltage from
5v to (whatever) after both sink and source negotiate what can be
supplied and what can be accepted. It isn't as simple as just
supplying 9v and hoping for the best. Note that USB-C, last I
looked, can provide up to 5A at 20V so in some cases, the
negotiation also includes the cable properties since thin little
cables can't handle 5A.
That said, I have no idea whether individual devices will just work if you send them something other than 5v but that isn't following the USB-C protocol so it would be good to check with the manufacturers before you try it.
On the other topic, whatever lighting solution you have, have a
backup you can rely on! On PBP2019, my Schmidt hub gave up the
ghost 1h into the first night which took out my primary lighting
solution (and also my Sinewave GPS charging solution!) So I was
relying on my backup, battery powered light. This was a Dinotte
battery powered light that I would normally run off 4, AA NiMH
batteries. Unfortunately, I didn't have enough of those to make
it thru the ride but a quick stop at an E'Leclerc in Fougeres
yielded 4, precharged ones that got me thru the ride. I also had
a few cache batteries along to keep the GPS and phone going, just
in case. I have subsequently hacked a USB cable so I can power
the Dinotte from a cache battery so I just tossed a few of those
into drop bags and I was good to go at LEL2022. The capacity and
cost of these has gone way up and way down as has the efficiency
of LED lights so this is a very practical option, either as a
primary or as a secondary. If you're flying, be careful with
these as they're not allowed in checked luggage and, while I don't
know, I expect there are limits with how many you can take along
in your carry-on.
Ken
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On Nov 29, 2022, at 1:14 PM, Pete <pdu...@sprintmail.com> wrote:
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Hi elmar,
I didn't mean to imply that you would run into issues with the
84 hour start, only that you still can. Also, there were a LOT
fewer riders in '07, and the drizzle seemed to thin the ranks. I
did the 90 hour that edition, and had a wonderful time.
Heck, in '15 they ran out of food at the pre-ride meal! As that
was a ticketed, pre-purchased event, they knew exactly how many
were coming! Not fun starting a PBP on a lightly loaded
stomach....
Many on every edition have a wonderful experience, regardless of their start time.
Pete
I have tried the Fenix bike-specific lights but found them to be lacking in intensity, compared to my trusty Cygolite Turbo 740. After my 740 was discontinued I started the search for a replacement. I first tested the Fenix bike-specific lights, but found their beam too broad. So I then tested several Fenix hand-held flashlights. At the end of day, in 2018, I settled on the Fenix UC30 flashlight, and mounted it to their quick-release handlebar mount (ALB-10). It is rated to 1000 lumens, but I rarely use it at full intensity. I also took a small piece of frosted stage lighting gel and glued it on the upper part of the light lens, so I would get a little more side light without sacrificing the distance lighting I need while sometimes descending at 25-30 MPH.
I look for the following:
1-Replaceable 18650 batteries (much cheaper than proprietary batteries found on many models)
2-A single LED source, which usually yields a narrower and brighter beam than 2 or 3 LEDs
3-Reasonably compact & lightweight design
As far as taillights go, I usually carry two at a time, mounted on my seat stays: a rechargeable Cygolite Hotshot Pro 150 or 200 lumen brightness, for daytime use, and then at night, I use something that uses AAA batteries so it can be swapped out in the middle of a long night if needed, usually a Portland Design Works Radbot 1000.
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