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Fiberglass vs plastic
William R. Watt wrote:
Brian Nystrom ) writes: Michael Daly wrote: On 1-Jun-2004, (William R. Watt) wrote: wait just a darned minute, are you saying the data you presented is not test data but is calculated from dimensions using Winter's KAPER model? that's not data. sorry, it doesn't count as data. No one does tank testing of kayaks. Too expensive. All data published in Sea Kayaker is based on both KAPER and Taylor. Both produce similar results. These calculations have been calibrated with real test data. If you want better data, you'll look long and hard. Better yet, do it yourself if you think it's so important. Do you think I could get a research grant from the Defence Department? Don't commandos, or whatever they are calling them now, use kayaks? Half a knot could mean the difference between victory and defeat for an enire invasion force. How do military policy makers measure the cost of kayak research in body bags? Considering that they use short, wide folding boats, obviously there are other considerations that are deemed more important than hull efficiency by the military. |
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