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#1
January 8th 05, 06:31 PM
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I have noticed them get weaker as ships enter ... i.e. when we just
find a weak thermal to save our butts and the gaggle then comes over and squashes it. :-) Bob Salvo wrote: Hi Ken, I think it's more like 14 HP, when a sink rate of 2 fps is included. BTW, have you noticed when a large gaggle leaves the thermal, the thermal gets stronger? Bob "Ken Kochanski (KK)" wrote in message oups.com... One horsepower is defined as lifting 550 pounds one foot in one second. So, if were climbing at an average of 300 FPM (5 fps)in a two place ship weighing 1100 pounds ... can we say we are extracting/consuming/obtaining 10 HP from the thermal ... KK 
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#2
January 8th 05, 06:31 PM
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I have noticed them get weaker as ships enter ... i.e. when we just
find a weak thermal to save our butts and the gaggle then comes over and squashes it. :-) Bob Salvo wrote: Hi Ken, I think it's more like 14 HP, when a sink rate of 2 fps is included. BTW, have you noticed when a large gaggle leaves the thermal, the thermal gets stronger? Bob "Ken Kochanski (KK)" wrote in message oups.com... One horsepower is defined as lifting 550 pounds one foot in one second. So, if were climbing at an average of 300 FPM (5 fps)in a two place ship weighing 1100 pounds ... can we say we are extracting/consuming/obtaining 10 HP from the thermal ... KK
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#3
January 8th 05, 11:54 PM
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On Sat, 8 Jan 2005 17:51:14 UTC, "Ken Kochanski (KK)"
wrote: : So, if were climbing at an average of 300 FPM (5 fps)in a two place : ship weighing 1100 pounds ... can we say we are : extracting/consuming/obtaining 10 HP from the thermal ... Gordon bennet. Who does calculations in these barbaric units? 1100lb = 500kg - 5kN 5fps = 1.5m/s 5kN * 1.5m/s =7.5kW = 10hp OK, more or less! Ian --
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#4
January 8th 05, 11:58 PM
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:-)
Who is Godon Bennet ? or am I just showing my ingorance again? KK
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#5
January 9th 05, 12:08 AM
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LOL ... I guess so ...
James Gordon Bennet II, 1841 - 1918 is the man referred to, and was quite a colourful character. One of his many reported exploits was an incident where he flew an aeroplane through an open barn. The surprised onlookers were supposed to have said 'That was Gordon Bennett!', and hence onward to the current shortened phrase. Became popular again during the 1980s but is again falling out of use.
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