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12-13-2019, 09:12 PM | #21 |
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Re: How Much Does Density Altitude Affect ET
Typically 200 in DA equals 1 hundredth to my car but humidity and water grains can play a huge factor. An example would be if say the humidity went up say 15% then it may only take 150 in DA to equal the same .01
Data and lots of it can never be underestimated, I have 5 or 6 log books full of it on this combination so if you come by my trailer and see log books scattered everywhere you know I'm lost on what to dial lol!
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James Williamson W200 J/SA |
12-13-2019, 09:25 PM | #22 |
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Re: How Much Does Density Altitude Affect ET
I found simply typing the data from my hand held “weather station” into Crew Chief Pro software predicts my old car pretty much dead nuts, after three passes data at a given track. Mine does not give oxygen data. Appears to me it is not that important. I’m very old, of course, so probably just do not know.
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Ed Wright 4156 SS/JA |
12-13-2019, 09:56 PM | #23 |
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Re: How Much Does Density Altitude Affect ET
computech ?
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12-13-2019, 10:31 PM | #24 |
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Re: How Much Does Density Altitude Affect ET
Racing in these two different conditions: Which one will you be quicker and faster in?
1. 29.00 Baro 900 feet DA 2. 29.80 Baro 900 feet DA |
12-13-2019, 11:26 PM | #25 |
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Re: How Much Does Density Altitude Affect ET
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12-13-2019, 11:31 PM | #26 |
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Re: How Much Does Density Altitude Affect ET
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12-14-2019, 12:11 AM | #27 |
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Re: How Much Does Density Altitude Affect ET
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12-14-2019, 07:13 AM | #28 |
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Re: How Much Does Density Altitude Affect ET
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12-14-2019, 09:33 AM | #29 |
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Re: How Much Does Density Altitude Affect ET
29.80 will be faster. Barometer trumps everything, except wind.
That’s why sea level tracks are always fast. QUOTE=HP HUNTER;603829]Racing in these two different conditions: Which one will you be quicker and faster in? 1. 29.00 Baro 900 feet DA 2. 29.80 Baro 900 feet DA[/QUOTE]
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George Mirza D/SA 1236 ‘71 Duster 340 Last edited by Gmirza; 12-14-2019 at 09:45 AM. |
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12-14-2019, 11:33 AM | #30 | |
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Re: How Much Does Density Altitude Affect ET
Quote:
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