Thread: Two front dynamo headlights plus rear light?
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Old 01-01-19 | 11:52 AM
  #10  
angerdan
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Joined: Sep 2011
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From: Europe
Lightbulb
Originally Posted by duppie
I was wondering if modern dynamos can provide enough output to power two headlights and a rear light.

Specifically, this is the setup I was thinking of:
1. SP PV-8 dynamo
2. Two B&M IQ-X headlights
3. One B&M rear light

Any thoughts?
Wouldn't work well.
Each IQ-X can consume up to 7W. The dynamo hub only delivers 3W above 20kmph.
So you would need 5 hubs to power two headlights at 20kmph.
My first dyno; hints, tips, recommendations?

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