Latest Activity

Colin replied to Colin's discussion Campbell St Cycleway Progress
"Yep. For all the good work that the City of Sydney does they seem happy to have these door zone…"
21 seconds ago
Colin replied to Pat The Rat's discussion Delivery Services by bicycle
"I see bike delivery guys every day in my neighbourhood. They're everywhere here (2010 and…"
11 minutes ago
PeterT replied to Pat The Rat's discussion Delivery Services by bicycle
"Bike Couriers comes to mind. But from a business point of view exclusively by bicycle is needlessly…"
55 minutes ago
Chris commented on Colin's group Helmetless riders
"Get/give early warning of police operations persecuting bicycle riders in Sydney: join the…"
1 hour ago
Pat The Rat posted discussions
1 hour ago
PeterT replied to Eleri's discussion Texting and driving campaign
"Perhaps the RMS could have a better campaign like "you wouldn't operate a band…"
1 hour ago
PeterT commented on Colin's group Helmetless riders
"http://youtu.be/Se1jxJv9zB0?t=14m48s Prof Chris Rissel talks during Lifting the Lid on…"
1 hour ago
Samuel Russell replied to Colin's discussion Campbell St Cycleway Progress
"Riley and Crown are lousy with car doors."
1 hour ago
sammy replied to sammy's discussion Woman appears in Dandenong Court charged owing tolls
"cross city tunnel should be free . and a toll on the surface road - across city road . get traffic…"
1 hour ago
sammy replied to Eleri's discussion Texting and driving campaign
"i know bud. its everywhere "
2 hours ago
Helen OBoyle replied to Paul Jackson's discussion Pyrmont Bridge "trial" garden, good or bad?
"Nat's right to question who the final decision authority actually is, I think.  Maybe the…"
2 hours ago
Jonathon Troy replied to Pat The Rat's discussion New Directions for BNSW
"Nothing was said in the "Controversial Bicycle Topics" about  Duncan Gay's…"
3 hours ago

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Welcome to Sydney Cyclist

Forum

Campbell St Cycleway Progress

Started by Colin in General. Last reply by Colin 21 seconds ago. 14 Replies

Delivery Services by bicycle

Started by Pat The Rat in General. Last reply by Colin 11 minutes ago. 2 Replies

Texting and driving campaign

Started by Eleri in General. Last reply by PeterT 1 hour ago. 28 Replies

Pyrmont Bridge "trial" garden, good or bad?

Started by Paul Jackson in In the news. Last reply by Helen OBoyle 2 hours ago. 72 Replies

New Directions for BNSW

Started by Pat The Rat in In the news. Last reply by Jonathon Troy 3 hours ago. 1 Reply

Jobs open at Velosure

Started by Velosure Bicycle Insurance in In the news 6 hours ago. 0 Replies

SOLD: M210 Monkey Light

Started by Robflyte in Buy / Swap / Sell. Last reply by PeterT 8 hours ago. 1 Reply

#Sydneycyclist on Instagram

Blog Posts

Lux and Lumens and bike lights

Posted by Robflyte on August 20, 2014 at 10:30am 0 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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