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From: Frank Krygowski <frkrygow@sbcglobal.net>
Newsgroups: rec.bicycles.tech
Subject: Re: bike light optics
Date: Mon, 8 Apr 2024 21:16:23 -0400
Organization: A noiseless patient Spider
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On 4/8/2024 2:08 PM, Radey Shouman wrote:
> Frank Krygowski <frkrygow@sbcglobal.net> writes:
> 
>> On 4/5/2024 12:36 PM, sms wrote:
>>>   What would be nice is a higher-end battery powered light that could
>>> be charged with a dynamo, and operate at lower power directly from
>>> the dynamo, but there is no such animal.
>>
>> ISTM that the market generally finds a way to fill almost all real
>> needs. If such a thing doesn't exist, it's probably a signal that the
>> benefits are too minor to make it marketable.
> 
> That's just silly.  Do bicycles fill a real need?  If so, why did it
> take millennia for the market to produce them?  

Are you serious? The answer is blatantly obvious: Because the science 
and the technology were not yet present to allow manufacture of bicycles.

It's just as obvious that the technology exists for the fancy headlight 
Mr. "sms" proposed. Sheldon Brown did something vaguely similar decades 
ago. Search https://www.sheldonbrown.com/dynohubs.html  for the words 
"low drag".

>> But if a person really wanted such an item, shouldn't some Electrical
>> Engineer be able to design and build one?

That question remains! Mr. "sms" Scharf is an electrical engineer.

-- 
- Frank Krygowski