Hi Patrick,
Good to know I am asking about Shutter Precision (SP) dynamos on another
thread. I am OK with buzz. I am not OK with shimmy.
On Thursday, October 3, 2013 9:10:02 PM UTC-7, Patrick Moore wrote:
Tonight I put in a brief 10.5 mile augmentation to my 12-mile errand ride
this afternoon, taking out the Ram with the newly installed SP dynohub and
the Cyo N Plus -- both bought NIB but used from listers, for which much
thanks -- out on the once-again pitch dark Rio Grande bike path.
Two insouciant coyotes this evening; no racoon.
Frankly, I can't tell any difference either in drag or in illumination
compared to the much more expensive Son 20 and Edeluxe combo -- except that
the latter comes up to full brightness at a very slightly higher speed. I
read that the Cyo uses the same working bits as the Edeluxe, so no surprise
there.
I think that, just perhaps, I detect a sort of very light buzz or hum from
the SP at speed that I don't pick up from the SON 20; it's not rough enough
to call it a vibration, and I notice it only when I am picking nits. In
fact, unless I try to discern it, I don't discern it -- meaning that for
practical purposes it doesn't exist.
What wonderful lights compared to what was available just 10 years ago! My
first modern foray into dyno lights a good 8 years ago was with a SON 28
(36 hole hub cleverly laced into a 28-spoke rim) and a home-made,
Cree-powered light made by a fellow lister. It was certainly bright enough,
but it was just a flashlight beam and I decided that it wasn't as good as
two cheap LED battery lights. I experimented with a number of these until
the advent three or four years later of the Fly, which, hugely superior to
my flashlight-type LEDs, led in turn to the even better Edeluxe and Cyo.
The Edeluxe II is said to be even brighter and more broad -- but at that
level of perfection, it quite honestly doesn't really matter to me. I
suppose that, for off road use. the E II might be desirable, but I'm quite
happy with what I now have.
--
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