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#11
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If you don't put a stop condition in your recursive
loops your stack will collide with your heap and you will crash :-) At 22:24 30 April 2004, Bob Kuykendall wrote: Earlier, 'Phil Jeffery' wrote: Why ask such a stupid question when you know very well? In order to understand recursion, first you must understand recursion. Bob K. |
#12
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At 23:00 30 April 2004, Don Johnstone wrote:
If you don't put a stop condition in your recursive loops your stack will collide with your heap and you will crash :-) It would seem that as glider pilots we aspire to the condition of being NASA engineers who view the world via cathode ray tubes. (Please note that I did not use a non-restrictive comma.) |
#13
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In message , Nyal Williams
writes At 23:00 30 April 2004, Don Johnstone wrote: If you don't put a stop condition in your recursive loops your stack will collide with your heap and you will crash :-) It would seem that as glider pilots we aspire to the condition of being NASA engineers who view the world via cathode ray tubes. (Please note that I did not use a non-restrictive comma.) Me personally, I aspire to just being able to stay up :-) -- Robin Birch |
#14
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Don Johnstone wrote:
If you don't put a stop condition in your recursive loops your stack will collide with your heap and you will crash :-) Except if tail recursion is detected and stacking avoided in this case, then you have an endless loop i.e. you circle forever :-) |
#15
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My question: Where is the power coming from to run
all these devices? We can look forward to alternatives to the battery we love to hate (sealed lead-acid): PLYMOUTH MEETING, Pa., July 8 -- Lithium Technology Corporation, ("LTC," "the Company") (OTC Bulletin Board: LITH.OB), an early production stage rechargeable lithium battery manufacturer, today announced that its GAIA operating units have received firm purchase orders for high performance lithium-ion prototype batteries for transportation applications from two different customers. LTC's GAIA U.S.A. unit at Plymouth Meeting, PA, has received a purchase order from Penn State University for a 180-Volt prototype Hybrid Electric Vehicle (HEV) battery for an advanced truck application that the University intends to enter into the Future Truck Competition in June 2004. The US DOE sponsors the Future Truck program and the annual competition to promote the development of fuel-efficient vehicle technology. This prototype battery will be comprised of 50 of the Company's proprietary 27 Ah flat cells, along with a Battery Management System (BMS), and will provide about 70kW of power, which is a substantial improvement over the heavier lead acid battery system that it will replace. Delivery is scheduled for September 2003. LTC's GAIA Europe unit at Nordhausen, Germany, has received orders for several advanced automotive batteries from a world-renowned car manufacturer. One of these prototypes is a unique 12-Volt auxiliary power source to be housed in a thin panel. LTC's proprietary large-format flat cell technology and stainless steel flat pack configuration readily met the customer's OEM specifications with a battery having a 20 Ah capacity in a case measuring 12.5 inches (315mm) by 7.9 inches (200mm) by 1.2 inches (30mm). The other prototypes are nominal 12-Volt SLI (starting-lighting-ignition) batteries using the Company's proprietary 27 Ah cylindrical cells measuring 5.1 inches (130mm) by 2.4 inches (60mm) in diameter. These batteries will provide up to 9kW of starting power. Initial delivery is scheduled for August 2003. In addition, LTC will supply a Battery Management System (BMS) for each of the prototypes. The batteries will undergo extensive testing by the OEM. Previously, in September 2002, GAIA Europe delivered a prototype 42-Volt automotive battery to BMW as part of the Astor program, a consortium of seven European automakers evaluating new power sources. That battery remains on test in Europe. Dr. Franz Kruger, President and Chief Operating Officer of LTC, said, "These orders represent another important milestone in our ongoing initiatives to have transportation industry OEMs test and qualify our advanced large format batteries which can deliver high-rate, high-capacity, low temperature operations and long cycle life. The Penn State opportunity represents the first in-vehicle demonstration of LTC's automotive battery prototypes and we are pleased to be the University's first choice for a lithium-ion solution." LTC, with operating locations in Plymouth Meeting, PA, and Nordhausen Germany, is sampling customers in the U.S. and Europe with its unique large format prototype batteries for a variety of national security, stationary power and transportation applications. The Company's battery products carry the GAIA brand name and trademark. |
#16
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Tom Seim wrote:
... We can look forward to alternatives to the battery we love to hate (sealed lead-acid): ... I don't hate sealed lead-acid batteries. They are inexpensive, don't need a special charger, their capacity is sufficient for the use we have. A local plus is that there is a little factory nearby making them and we can bring the old ones to them for direct recycling. |
#17
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Robert Ehrlich wrote in message ...
Tom Seim wrote: ... We can look forward to alternatives to the battery we love to hate (sealed lead-acid): ... I don't hate sealed lead-acid batteries. They are inexpensive, don't need a special charger, their capacity is sufficient for the use we have. A local plus is that there is a little factory nearby making them and we can bring the old ones to them for direct recycling. Clearly you haven't installed a transponder (yet). Tom |
#18
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Tom Seim wrote:
.. I don't hate sealed lead-acid batteries. They are inexpensive, don't need a special charger, their capacity is sufficient for the use we have. A local plus is that there is a little factory nearby making them and we can bring the old ones to them for direct recycling. Clearly you haven't installed a transponder (yet). No, I didn't, no am I going to, since I am only flying club gliders and so it is not under my responsability to do that, But it is highly probable that in a near future we must do that for most club gliders in France, and in this case I think a second battery will be installed just for the transponder. |
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