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Dabba replied to Pat The Rat's discussion New Directions for BNSW
"So far, all of the "pudding" that they've dished up over the last few years has been…"
4 hours ago
Jonathon Troy liked stewart d's discussion new addition
7 hours ago
Jonathon Troy replied to Pat The Rat's discussion New Directions for BNSW
"Gladys does control Transport for NSW which Duncan did ask to investigate options for…"
7 hours ago
stewart d replied to stewart d's discussion new addition
"Love my old english 3 speeds"
7 hours ago
dan cruz is now a member of Sydney Cyclist
7 hours ago
Frankv replied to stewart d's discussion new addition
"Superb(e) result."
8 hours ago
PeteFine replied to stewart d's discussion new addition
"Wow, looks like you've done a beautiful job restoring that - not to mention the others in your…"
10 hours ago
John H replied to Snowy_5's discussion Cycleways/SUP additions or extensions or upgrades.
"Love Your Work Snowy, That black beast seems to know no limits. My black beast should come out of…"
10 hours ago
Paul Martin commented on Robflyte's blog post Lux and Lumens and bike lights
11 hours ago
jelyot replied to PeterT's discussion QLD police hunt for cyclist
"Well obviously not that charge. Even if the police have an admission they will likely wait for a…"
13 hours ago
Bob Moore replied to PeterT's discussion QLD police hunt for cyclist
"Moron Motorist thread, should have guessed, tho this one was possibly better under "Murderous…"
13 hours ago
Jon replied to PeterT's discussion QLD police hunt for cyclist
"seems to me the driver has already admitted to passing to close, so hurry up and charge them with…"
14 hours ago

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Welcome to Sydney Cyclist

Forum

New Directions for BNSW

Started by Pat The Rat in In the news. Last reply by Dabba 4 hours ago. 6 Replies

new addition

Started by stewart d in In the news. Last reply by stewart d 7 hours ago. 3 Replies

QLD police hunt for cyclist

Started by PeterT in In the news. Last reply by jelyot 13 hours ago. 11 Replies

SUP/Cycleway closure notice or blocked

Started by Snowy_5 in General. Last reply by Sir Aaron K deVegan of Dumbleton 15 hours ago. 8 Replies

Campbell St Cycleway Progress

Started by Colin in General. Last reply by Bob Moore 15 hours ago. 21 Replies

Lisbon Bike Tour - anyone done it?

Started by herzog in General. Last reply by herzog 21 hours ago. 5 Replies

IDENTIFICATION of cyclists

Started by jelyot in Advocacy and Policy. Last reply by Bill Elder 21 hours ago. 50 Replies

#Sydneycyclist on Instagram

Blog Posts

Lux and Lumens and bike lights

Posted by Robflyte on August 20, 2014 at 10:30am 4 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…

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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.

 
 
 

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