Hank Wirtz said:On Nov 4, 5:58 pm, "BobT" <[email hidden]>
Quoted message said:Anyone have any experience with the Busch and MullerLumotecIQFly
headlamp?
I live in the U.S.A. where, I best as I can tell, they are not yet
available.
Quoted message said:I am considering rearranging the lights on my touring/commuter bike that has
a Schimdt hub dynamo.
Quoted message said:How is the brightness on the road compared to a orignalLumotecRound
halogen headlight. I note that the B&M website shows 17 lumens for this
halogen light and 40 lumens for theIQfly. Does the more than double bulb
luminosity translate to proportional that much more light on the road?
Quoted message said:How would theIQflycompare to a Schmidt E6 headlamp? In my experience (in
an unscientific test with my eyeballs) the E6 puts much more light on the
road than the B&MLumotecround halogen light.
Quoted message said:BobT
Mine should be arriving sometime this week. At least, I got
notification that it shipped on Thursday from SJS Cycles in England,
and it's coming via Air Mail, so I'm hoping it's not much more than a
week. I will report back with comparisons to my usual light, the
DLumotec Oval Senso Plus (LED).
And the measurements given are in Lux, not Lumen. Lux is Lumen times
area (or as my brother the physics major put it, "photonic pressure"😉,
so if their measurements are accurate, then yes, it should be that
much more light on the road.- Hide quoted text -
- Show quoted text -
OK, I got this light about 3 weeks ago, but weather's been lousy, so I
only completed my third ride with this light today, and the first
where the pavement wasn't wet to skew my perception.
First off, yes, it's really stinkin' bright. And especially bright is
the standlight. The standlight could be mistaken for a DLumotec Oval
at full brightness. It's VERY impressive. And when riding, the beam
shines wide and far. It's beam is at least twice as wide as the
DLumotec Oval. The case has a 3-way tilt feature, for high, mid and
low beam. Aimed high, I can get useful illumination probably 75 meters
out. The middle position is good for fog, or to be nice to an oncoming
rider. With the high position aimed about 75 meters out, the middle
one is about 20 meters out. The low, which I don't use, is only about
6 meters.
Now, for the bad. First, the new-style bent-rod bracket is useless. My
front brake bolt wasn't long enough, and even if it was, the bracket
rubbed on the lower cup of my headset. Thankfully, I had a spare
stamped bracket from my DLumotec Oval, so I just continued to use
that. The other downside is that the reflector is aimed long, and has
very little spillage. The downside is that you get a small swath of
light down on your tire, then a dead spot until about 5 meters out
when the lamp is aimed high. In the middle position, it's still about
4 meters in front of you before the light starts. That's with the lamp
mounted on the fork crown. I wouldn't even consider a handlebar mount,
which would make the problem much worse. For the short term, I've got
a Cateye 230 LED that runs off of 4 AAs on my handlebar, pointed
sharply down, which fills in the dead spot. I'm thinking a secondary
Lumotec Oval wired into the dynamo's circuit will probably be my long-
term solution.
In summary, this is a fantastic light and well worth its price (60
GBP, minus VAT, +8GBP shipping, about $120 all told) when used with a
secondary light. As a single light, the dead spot is a big problem.
Also, order an old-style bracket at the same time to save the shipping
cost later.
