Latest Activity

PeterT replied to herzog's discussion Lisbon Bike Tour - anyone done it?
"Not Lisbon (bucket list) but I've done similar tours -I'll very highly recommend and…"
1 hour ago
baa baa replied to jelyot's discussion IDENTIFICATION of cyclists
"Always best to stop if you see a primary school kid as they are hard to second guess if they will…"
1 hour ago
jelyot replied to Snowy_5's discussion SUP/Cycleway closure notice or blocked
"Oooh I wonder if they will be making it grippy in the wet."
1 hour ago
jelyot replied to jelyot's discussion IDENTIFICATION of cyclists
"They aren't discussing me.   Had to laugh, I stopped at a crossing in E subs and a ped…"
1 hour ago
Snowy_5 replied to Snowy_5's discussion Cycleways/SUP additions or extensions or upgrades.
"Still not open yet but saw a man on his e-bike on this path. Had a talk to him on how did he get in…"
2 hours ago
Da Munch replied to Snowy_5's discussion SUP/Cycleway closure notice or blocked
"A security guard on Barangaroo foreshore SUP told me it will be closed for the next 3 months. Which…"
2 hours ago
Snowy_5 replied to Claudia Klein's discussion Secure Bicycle Parking - Surry Hills (Central Station)
"Attachment is useless and no pics of lockers/showers????"
2 hours ago
Dabba replied to Claudia Klein's discussion Secure Bicycle Parking - Surry Hills (Central Station)
"Hot showers? Secure lockers? 24 hour access?"
2 hours ago
Snowy_5 replied to Snowy_5's discussion SUP/Cycleway closure notice or blocked
"On PVC, near Silverwater Rd bridge between Fallon st and Primrose Ave Rydalmere. There`s a fallen…"
2 hours ago
Claudia Klein posted a discussion

Secure Bicycle Parking - Surry Hills (Central Station)

Hi Sydney cyclists,For those interested in biking to work in Surry Hills (407 Elizabeth Street -…See More
2 hours ago
Si replied to jelyot's discussion IDENTIFICATION of cyclists
"Avoid is mentioned in the context of stopping "...stop to avoid a collision" not…"
3 hours ago
sammy replied to Pat The Rat's discussion Delivery Services by bicycle
"posties still use bicycles "
3 hours ago

Members

Photos

Loading…
  • Add Photos
  • View All

Videos

  • Add Videos
  • View All
 

Welcome to Sydney Cyclist

#Sydneycyclist on Instagram

Blog Posts

Lux and Lumens and bike lights

Posted by Robflyte on August 20, 2014 at 10:30am 3 Comments

Lux: a measurement of light taking area into account.

Lumens: total amount of light emitted from a source.



A 1000 lumen light source over directed over 1msq is 1000lux.

A 1000 lumen light source over 10msq is 100lux.



lux (with almost all bike lights) measured on the ground falls off with distance as the light spreads.



As a photographer using artifical lighting you understand light fall-off, the inverse square law, feathering.



most bike…

Continue

Cycling on holidays

Posted by Helen Leung on August 18, 2014 at 4:43am 0 Comments

I'm currently on holidays in Europe. Just came back from a bike ride on the streets of Berlin. I just have to write down here that I have never felt so safe riding a bike as I have in Berlin! 

They were so far ahead of their times in WW2

Posted by Dabba on August 9, 2014 at 10:34am 6 Comments

This was taken at Duxford RAF Museum near Cambridge UK.

Where in the world is my bike?

Posted by Mark Lambert on August 8, 2014 at 9:47pm 11 Comments

The first correct answer wins a child.

 
 
 

© 2014   Created by DamianM.

Badges  |  Report an Issue  |  Terms of Service