DaveC426913's latest activity
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DaveC426913 replied to the thread High School Why would sailboat racers prefer a full keel over a fin keel?.Thats an excellent analysis, Bal, especially the delta wing concept. But does it answer the primary question? Why would a full keel be... -
DaveC426913 reacted to Lnewqban's post in the thread High School Equine Physics -- When a horse gets stuck going up a steep slope with
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DaveC426913 replied to the thread High School Why would sailboat racers prefer a full keel over a fin keel?.Full/reef is long, fin is short (longitudinally - i.e. front-to-back). The fin keel is not necessarily deeper than the full/reef keel... -
DaveC426913 replied to the thread Undergrad What is matter?.Right. That's why I originally proposed it in the older thread before being corrected. Still, is it safe to say that - with some... -
DaveC426913 posted the thread High School Why would sailboat racers prefer a full keel over a fin keel? in Classical Physics.I keep going back and forth on this. Apparently, fin keels are better (and preferred) than full keels for racing because they 1] are... -
DaveC426913 replied to the thread Undergrad What is matter?.I think we've explored this before in another thread. I offered the rough-n-ready description that - with a few notable exceptions* -... -
DaveC426913 replied to the thread Today I Learned.TIL that bringing your boat to your mechanic is like going to your doctor. You take off all your clothes in front of a stranger and they... -
DaveC426913 replied to the thread Today I Learned.Wait'll he hears about baby oil... -
DaveC426913 replied to the thread High School What fun could you have with a fountain design in artificial gravity?."The effect is not unlike the acceleration due to real gravity." OK, it's not a 100% match. The water is emitted in at 55 degrees from... -
DaveC426913 replied to the thread High School What fun could you have with a fountain design in artificial gravity?.Gravity due to mass is zero. Artificial gravity due to rotation is 0.5g. (see specs, top-left in diagram) It's a rigid tower, 110m... -
DaveC426913 replied to the thread Anyone like “2001: A Space Odyssey?”.Not a lot of people know this but a lot of these scenes were filmed on Earth to save production costs.


