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  #1  
Old 07-13-2008, 01:28 PM
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Ironflight Ironflight is offline
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Default Three-way Tailwinds!

It's not often that you get tailwinds in both directions on a round trip, even stranger when you get them on the same day - but how about tailwind components on all three legs of a triangle trip in the same morning?!

I set out from Houston for Stephensville (KSEP) this morning to have breakfast with the gang from Hicks, and Weathermeister had picked 8.5K as the best altitude for both speed and fuel. It was a nice morning, with some patchy fog in the low areas just after sunrise, but no significant clouds or weather looked to interfere with the predicted 1:29 trip time. After scooting out from under the Class B, I climbed right up to 8.5, and sure enough - winds out of th south gave me about 10 knots on the tail with about the same from the left. The trip clocked in at 1:31, so I guess Sharpie's program doesn't account for taxi time...

It was nice to catch up with folks I hadn't seen for awhile at breakfast. It was a small crowd - I expect people are saving their fuel money for Oshkosh later this month. I showed off the new 2" HID landing and taxi lights from Duckworks that I had installed, and Andy remarked on the radio that they looked bright from half an airport away on the ground - nice to know they show up (the old halogens were pretty dim). I climbed out of KSEP for Kestrel (1T7) to visit my runway lot and buy some fuel (usually the cheapest in the Hill Country), and noted the winds on the EFIS as I climbed. They started of out of the west, but as I climbed through 5,000 they swung to the northwest, and at 6.5K I had 9 knots on the tail - good enough for the short flight, so I stopped there and leaned out to get 22.5 mpg on the computer. This held all the way until the descent.

After fuel and a relaxed chat with some future neighbors at Kestrel, I mounted up for Houston - surely, I wouldn't get lucky and see yet another tailwind....but I was wrong! Now out of the southwest at 7.5K, I had another 8 knots on the tail, with a bit more than that from the right. The scattered clouds were below me at that point, so it was a smooth ride back to the home base at Polly Ranch - hot once I descended to stay under the "B:, but that's OK now - once I land, I am literally seconds from the cold drinks in the house!

It felt good to get out on a cross-country after a month of local flights, moving, and unpacking. I also got to do some RFI testing with the new landing lights, but that is a topic for another thread! Suffice to say that I love 'em, and the Val is still a great cross-country machine, now with 750 hours total time on the airframe and engine.

Paul
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  #2  
Old 07-13-2008, 07:11 PM
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Kevin Horton Kevin Horton is offline
 
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Default

Quote:
Originally Posted by Ironflight View Post
It's not often that you get tailwinds in both directions on a round trip, even stranger when you get them on the same day - but how about tailwind components on all three legs of a triangle trip in the same morning?!
I'd be checking for a leak in the pitot system, or a bent pitot tube.
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  #3  
Old 07-13-2008, 07:55 PM
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Ironflight Ironflight is offline
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Quote:
Originally Posted by Kevin Horton View Post
I'd be checking for a leak in the pitot system, or a bent pitot tube.
Well, I just had the pitot/static cert done three days ago....

Actually, Texas is just big....and that weird some days!
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Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
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Dayton Valley Airpark (A34)
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Last edited by Ironflight : 07-14-2008 at 07:12 AM.
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  #4  
Old 07-14-2008, 06:41 AM
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N395V N395V is offline
 
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Well now that we know 3 way tail winds actually exist I expect soon a decrease in gas prices, lower taxes and world peace will follow.

Or if you view the glass as half empty one of us is gonna get 3 way headwinds.
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  #5  
Old 07-14-2008, 09:42 AM
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Default Paul, if you fly a triangle and get three tail-winds, then...

You are probably in a hurricane.

Milt, make sure when you fly in the hurricane that you fly the same pattern as Paul.

Kent
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  #6  
Old 07-14-2008, 12:08 PM
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Ironflight Ironflight is offline
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Quote:
Originally Posted by kentb View Post
You are probably in a hurricane.

Milt, make sure when you fly in the hurricane that you fly the same pattern as Paul.

Kent
Quiet Kent - we don't use the "H" word around here at this time of year....very bad juju.....

Nothing very mysterious here actually - just picked different altitudes for each leg!

Paul
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Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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