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Frank Krygowski <frkrygow@sbcglobal.net> writes:Are you serious? The answer is blatantly obvious: Because the science and the technology were not yet present to allow manufacture of bicycles.
On 4/5/2024 12:36 PM, sms wrote:That's just silly. Do bicycles fill a real need? If so, why did itWhat 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.
take millennia for the market to produce them?
That question remains! Mr. "sms" Scharf is an electrical engineer.But if a person really wanted such an item, shouldn't some Electrical
Engineer be able to design and build one?
Date | Sujet | # | Auteur | |
28 Mar 24 | bike light optics | 151 | Frank Krygowski | |
30 Mar 24 | Re: bike light optics | 149 | sms | |
30 Mar 24 | Re: bike light optics | 1 | Frank Krygowski | |
30 Mar 24 | Re: bike light optics | 6 | sms | |
30 Mar 24 | Re: bike light optics | 2 | AMuzi | |
30 Mar 24 | Re: bike light optics | 1 | Jeff Liebermann | |
31 Mar 24 | Re: bike light optics | 2 | Frank Krygowski | |
31 Mar 24 | Re: bike light optics | 1 | Catrike Ryder | |
31 Mar 24 | Re: bike light optics | 1 | sms | |
31 Mar 24 | Re: bike light optics | 141 | zen cycle | |
31 Mar 24 | Re: bike light optics | 140 | sms | |
1 Apr 24 | Re: bike light optics | 137 | AMuzi | |
1 Apr 24 | Re: bike light optics | 134 | Frank Krygowski | |
1 Apr 24 | Re: bike light optics | 133 | Zen Cycle | |
3 Apr 24 | Re: bike light optics | 132 | sms | |
3 Apr 24 | Re: bike light optics | 131 | Frank Krygowski | |
3 Apr 24 | Re: bike light optics | 130 | Zen Cycle | |
3 Apr 24 | Re: bike light optics | 1 | AMuzi | |
4 Apr 24 | Re: bike light optics | 5 | Catrike Ryder | |
4 Apr 24 | Re: bike light optics | 1 | AMuzi | |
4 Apr 24 | Re: bike light optics | 3 | sms | |
4 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
4 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
4 Apr 24 | Re: bike light optics | 123 | Frank Krygowski | |
4 Apr 24 | Re: bike light optics | 7 | AMuzi | |
4 Apr 24 | Re: bike light optics | 6 | Frank Krygowski | |
4 Apr 24 | Re: bike light optics | 5 | AMuzi | |
4 Apr 24 | Re: bike light optics | 4 | Zen Cycle | |
5 Apr 24 | Re: bike light optics | 3 | AMuzi | |
5 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
5 Apr 24 | Re: bike light optics | 1 | Zen Cycle | |
4 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
4 Apr 24 | Re: bike light optics | 114 | Frank Krygowski | |
5 Apr 24 | Re: bike light optics | 62 | Frank Krygowski | |
5 Apr 24 | Re: bike light optics | 61 | Frank Krygowski | |
5 Apr 24 | Re: bike light optics | 1 | Radey Shouman | |
5 Apr 24 | Re: bike light optics | 59 | AMuzi | |
5 Apr 24 | Re: bike light optics | 57 | Jeff Liebermann | |
5 Apr 24 | Re: bike light optics | 56 | AMuzi | |
5 Apr 24 | Re: bike light optics | 5 | Zen Cycle | |
5 Apr 24 | Re: bike light optics | 4 | AMuzi | |
5 Apr 24 | Re: bike light optics | 2 | Zen Cycle | |
5 Apr 24 | Re: bike light optics | 1 | AMuzi | |
6 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
6 Apr 24 | Re: bike light optics | 50 | Jeff Liebermann | |
6 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
6 Apr 24 | Re: bike light optics | 47 | AMuzi | |
6 Apr 24 | Re: bike light optics | 46 | Frank Krygowski | |
6 Apr 24 | Re: bike light optics | 45 | AMuzi | |
6 Apr 24 | Re: bike light optics | 8 | Frank Krygowski | |
7 Apr 24 | Re: bike light optics | 3 | Catrike Ryder | |
7 Apr 24 | Re: bike light optics | 2 | Frank Krygowski | |
7 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
7 Apr 24 | Re: bike light optics | 4 | AMuzi | |
7 Apr 24 | Re: bike light optics | 3 | Frank Krygowski | |
7 Apr 24 | Re: bike light optics | 2 | AMuzi | |
8 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
7 Apr 24 | Re: bike light optics | 36 | zen cycle | |
7 Apr 24 | Re: bike light optics | 28 | Catrike Ryder | |
7 Apr 24 | Re: bike light optics | 27 | AMuzi | |
7 Apr 24 | Re: bike light optics | 26 | zen cycle | |
7 Apr 24 | Re: bike light optics | 24 | AMuzi | |
8 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
8 Apr 24 | Re: bike light optics | 22 | Zen Cycle | |
8 Apr 24 | Re: bike light optics | 21 | AMuzi | |
9 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
9 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
9 Apr 24 | Re: bike light optics | 4 | Catrike Ryder | |
9 Apr 24 | Re: bike light optics | 3 | Radey Shouman | |
10 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
10 Apr 24 | Re: bike light optics | 1 | Zen Cycle | |
9 Apr 24 | Re: bike light optics | 14 | Zen Cycle | |
9 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
9 Apr 24 | Re: bike light optics | 12 | AMuzi | |
10 Apr 24 | Re: bike light optics | 11 | Zen Cycle | |
10 Apr 24 | Re: bike light optics | 10 | AMuzi | |
11 Apr 24 | Re: bike light optics | 5 | John B. | |
11 Apr 24 | Re: bike light optics | 4 | AMuzi | |
11 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
12 Apr 24 | Re: bike light optics | 2 | John B. | |
12 Apr 24 | Re: bike light optics | 1 | AMuzi | |
11 Apr 24 | Re: bike light optics | 4 | Zen Cycle | |
11 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
11 Apr 24 | Re: bike light optics | 2 | AMuzi | |
11 Apr 24 | Re: bike light optics | 1 | AMuzi | |
8 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
7 Apr 24 | Re: bike light optics | 7 | AMuzi | |
7 Apr 24 | Re: bike light optics | 4 | Frank Krygowski | |
7 Apr 24 | Re: bike light optics | 2 | AMuzi | |
8 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
7 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
7 Apr 24 | Re: bike light optics | 2 | zen cycle | |
8 Apr 24 | Re: bike light optics | 1 | sms | |
6 Apr 24 | Re: bike light optics | 1 | Frank Krygowski | |
5 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
5 Apr 24 | Re: bike light optics | 51 | sms | |
6 Apr 24 | Re: bike light optics | 29 | Frank Krygowski | |
8 Apr 24 | Re: bike light optics | 28 | Radey Shouman | |
9 Apr 24 | Re: bike light optics | 27 | Frank Krygowski | |
9 Apr 24 | Re: bike light optics | 26 | Radey Shouman | |
9 Apr 24 | Re: bike light optics | 1 | AMuzi | |
10 Apr 24 | Re: bike light optics | 24 | Frank Krygowski | |
9 Apr 24 | Re: bike light optics | 21 | Jeff Liebermann | |
1 Apr 24 | Re: bike light optics | 1 | Catrike Ryder | |
1 Apr 24 | Re: bike light optics | 1 | Zen Cycle | |
1 Apr 24 | Re: bike light optics | 1 | Zen Cycle | |
1 Apr 24 | Re: bike light optics | 1 | sms | |
30 Mar 24 | Re: bike light optics | 1 | pH |
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