On Wed, Aug 26, 2009 at 1:43 PM, Dave Mcneely <mcneely4@cox.net> wrote: > Well, I suspect (but don't know, nor without some investigation would I be > able to calculate) that at 45 mph (the speed referenced), there would be > little to gain by drafting, and little lost in the way of cooling > efficiency. If one is on a hill steep enough and long enough to require > dropping the speed to 45 mph (I've had to go lower on occasion), the stock > vanagon is likely to get hot, anyway, with or without a semi running > interference. How many list members are able to climb a 6% grade for > several miles without resting to cool off? > > > > In a vanagon? Or on a bicycle? (joke) Really? A stock Vanagon won't do a 6% climb without overheating? I do about 55 uphill all the time with my inline (1.8l VW) transplant van and it never gets above the thermostat opening temp...Hmmm. Way off topic: And on my bike, unless it is over 90f, I can climb a 6% grade for ~10 miles without overheating, as long as I keep the revs down...Resting part way is not an option..Any hotter than 90f I sometimes 'seize-up' with leg cramps if I am not conservative going uphill..(around 10mph--Same hill the Pros would climb at 20mph and be chatting it up the whole way...) Don Hanson |
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