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  #1  
Old 09-19-2017, 03:10 PM
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airguy airguy is offline
 
Join Date: Oct 2006
Location: Garden City, Tx
Posts: 3,820
Default Longest flight legs?

I originally built my RV9A with the intention of taking that "some-day" trip around the world with it, which means some rather long flight legs over water. With that in mind I installed outboard wing tanks that give me 67 total gallons, and with a 66 gallon Turtle Pac in the right seat that puts every reasonable oceanic route within reach. As I've been building time on the airplane I like to take longer and longer legs to learn what is needed to keep the airplane happy for those long flights as well as keeping the pilot happy. Yesterday was my longest flight leg to date, coming back home to west Texas from Carson City NV after the Reno Air Races. I logged 1005 nautical miles in 6.5 hours (engine start to engine stop) at 17,500' all the way, burning just 40.3 gallons total with a bit of a tail wind. I'm finding that I'm perfectly comfortable sitting in the cockpit that long and could easily do more, and I'll continue working my way up to the 14 hours that would be needed for California to Hawaii. I'm flying the Classic Aero Sportsman seats and love them.

Curious to hear what other folks have done for very long legs in the air.
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Greg Niehues - VAF 2017 dues paid
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Built an off-plan 9A with too much fuel and too much HP. Should drop dead any minute now.

Last edited by airguy : 09-19-2017 at 03:20 PM.
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  #2  
Old 09-19-2017, 03:17 PM
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Raymo Raymo is offline
 
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Location: Richmond Hill, GA (KLHW)
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Savannah, GA (KLHW) San Antonio, TX (1T8) in about 8 hours with a stop in the middle. Next day from 1T8 to Clarion, PA - another 8 hours with 2 stops.

I've found 4 hours is the end of my comfort zone. Maybe your seats are more comfortable?

In my younger days as a Blackhawk crew-chief in the Army (late 80s), we flew lots of 4 hour missions at night and the seat was a layer of nylon or similar material stretched over an aluminum frame. Maybe age matters too.
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  #3  
Old 09-19-2017, 03:21 PM
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airguy airguy is offline
 
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Quote:
Originally Posted by Raymo View Post
I've found 4 hours is the end of my comfort zone. Maybe your seats are more comfortable?
That's probably the thing that worried me most, but I installed the Classic Aero Sportsman seats and they are just awesome. No hot or cold spots, no pressure points, perfect support.
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Greg Niehues - VAF 2017 dues paid
Garden City, TX
N16GN flying! http://websites.expercraft.com/airguy/
Built an off-plan 9A with too much fuel and too much HP. Should drop dead any minute now.
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  #4  
Old 09-19-2017, 03:21 PM
TS Flightlines TS Flightlines is offline
 
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Location: Ridgeland, SC
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Default Greg==

I heard an evacuation hose might be needed.
Bill Harrelson is the guy to talk to.

Tom
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  #5  
Old 09-19-2017, 03:55 PM
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jthocker jthocker is offline
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Default South Texas to Ohio

A review of my G3X data logs on Cirrusreports.com shows:
April 2016 KNQI (NAS Kingsville near Corpus Christi) to KHAO (Cincinnati) a leg of 5:05 and 1024 nm traveled over the 972 nm direct route. The report says 55 gallons used but that's erroneous. We carried a 15 gallon aux tank in the baggage for 56 gallons usable. Probably used 40-45 gallons actually.
30 to 50 knots on the tail the whole way!
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  #6  
Old 09-19-2017, 04:40 PM
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jeffkersey jeffkersey is offline
 
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Location: Cottontown, TN
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Default Had to pee...

KFLY Near Colorado Springs, Co, to KUES, Just east of Millwaulee, WI. 780NM direct.
Just under 5 Hours. Leaned back to 7 gphish at 9500msl. Still had an hours + fuel onboard.
Was doing the Indian dance all the way to the Lavatory....
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  #7  
Old 09-19-2017, 04:43 PM
Kyle Boatright Kyle Boatright is offline
 
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Location: Atlanta, GA
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My longest legs have been 4-4.5 hours. My longest days have been two 4 hour legs. The seats are the limiting factor just as much as fuel.
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  #8  
Old 09-19-2017, 05:08 PM
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Vlad Vlad is offline
 
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Location: NJ
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I squeezed 6 non-autopilot hours out of stock fuel tanks in 2012. RV9A FP carbureted, partial power takeoff. Good ANR headset and Classic Aero seats made it quite a pleasant experience. Routinely do up to 5 hours. Used P-bottle two times. Challenging.
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  #9  
Old 09-19-2017, 05:17 PM
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az_gila az_gila is offline
 
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Location: 57AZ - NW Tucson area
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Quote:
Originally Posted by TS Flightlines View Post
I heard an evacuation hose might be needed.
Bill Harrelson is the guy to talk to.

Tom
Just use 1 gallon freezer Ziploc bags like the glider guys do.

My longest glider flight was 8.5 hours.
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  #10  
Old 09-19-2017, 05:19 PM
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woodmanrog woodmanrog is offline
 
Join Date: May 2005
Location: Florida
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MJ and I just flew 2 seven hour flights Ft. Lauderdale, Fla to Conroe, TX and back. We made one midflight stop for fuel, lunch and water closet. I can't thank Van enough for developing the RV14A. We averaged 10.4 gph at 150 knots true air speed. Somehow we managed to have a tail wind most of the time in both directions. The extra room in the 14 made me a much happier camper. It's so nice to sit with legs fully extended.

Last edited by woodmanrog : 09-19-2017 at 05:20 PM. Reason: Spelling
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