Thread: Bikeled.net
View Single Post
Old 10-02-09, 07:32 AM
  #11  
ItsJustMe
Señior Member
 
ItsJustMe's Avatar
 
Join Date: Sep 2005
Location: Michigan
Posts: 13,749

Bikes: Windsor Fens, Giant Seek 0 (2014, Alfine 8 + discs)

Mentioned: 13 Post(s)
Tagged: 0 Thread(s)
Quoted: 446 Post(s)
Likes: 0
Liked 8 Times in 7 Posts
Originally Posted by znomit
The LED might put out around 750 at 2.8A if they're using a decent bin. I would think 650 is more likely.

Drop 10% for reflector.
Drop 10% for Glass
Drop 20% for heat
Drop 10% for 2.4A drive

Now the 700lm from the seca is measured out the front of the light.
The 760 lumens was ACTUAL MEASURED OUTPUT with a light meter from the MagicShine. None of the stuff you list is relevant.
__________________
Work: the 8 hours that separates bike rides.
ItsJustMe is offline