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11-01-2010, 09:43 AM #9
- Join Date
- Apr 2010
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Thanked: 8Would you mind defining what you mean by stroke and cut? I think this would ease our communication.
Obviously you have not thought this through or are not sufficiently familiar with scientific method. Rudimentary trigonometri does not science make.
If "basic straight cut" and "how good" it is isn't properly defined, there is no possibility to claim "better" or "no better than". You seem to be attempting a quantitative description of the (inherently?) qualitative experience of a bbs-creating stroke of a straight razor?
In both this thread and the prior one, I have repeatedly referred to a slicing motion. This slicing motion lies at the heart of both of these threads. Slicing was defined in two distinct ways at the beginning of the first post of this thread, and in one way at the beginning of the prior thread. In both threads, the quality of a stroke (or cut – I am as of yet unsure of your usage) has been judged accordingly by that measure. Most would agree that a slicing motion is desirable quality, and is a worthy barometer of a shaving stroke (or cut).
I have derived two formulas which do in fact provide a quantitative description of slicing. While the proofs of those derivations have not been provided, they are available upon request. Slicing itself is a relatively simple mechanical action; so simple, in fact, that it would be quite shocking if slicing could not be easily quantified. I agree that there are an untold number of variables related to achieving a BBS shave. But that is not what I am attempting to describe. I am talking about slicing. Just slicing. And it turns out that some strokes (or cuts or whatever) are better at slicing than others.
PS – at some point in replying to you I realized that it should be stated that x must be measured in radians in my second formula. Thanks for the reminder.