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View Poll Results: Do you use Knots , MPH, or Kilometers To Describe Your Speed?
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I use Knots.
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279 |
74.20% |
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I use MPH
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93 |
24.73% |
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I use kilometers per hour.
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4 |
1.06% |

02-03-2012, 07:48 AM
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Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,628
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It's all relative
Quote:
Originally Posted by Mel
I fly left seat. Ann flies right seat.
Left side of the panel is knots. Right side is mph.
She goes faster than I do, but has further to go.
We usually get there about the same time.
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In a 4-place airplane I always fly in the front seat so I get there first. 
__________________
Ron Schreck
IAC National Judge
RV-8, "Miss Izzy", 2250 Hours - Sold
VAF 2021 Donor
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02-03-2012, 08:37 AM
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Join Date: Apr 2010
Location: Grosse Pointe Woods, MI
Posts: 13
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Airworthiness standards for Normal, Utility, Acrobatic and Commuter Category Airplanes, Title 14, Part 23, specify that distances are to be in nautical miles, and speeds in knots. From a practical point of view, a nautical mile is identical to a minute of latitude, a distance in nautical miles on a chart can easily be measured by using dividers and the latitude scales on the sides of the chart. OK, now I have identified myself as someone who flew long before GPS.
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02-03-2012, 08:52 AM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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You mean people actually did aviate prior to GPS? How crude!
Quote:
Originally Posted by John@JohnKean.com
Airworthiness standards for Normal, Utility, Acrobatic and Commuter Category Airplanes, Title 14, Part 23, specify that distances are to be in nautical miles, and speeds in knots. From a practical point of view, a nautical mile is identical to a minute of latitude, a distance in nautical miles on a chart can easily be measured by using dividers and the latitude scales on the sides of the chart. OK, now I have identified myself as someone who flew long before GPS.
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02-03-2012, 09:05 AM
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Join Date: Dec 2008
Location: na
Posts: 1,457
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Quote:
Originally Posted by John@JohnKean.com
Airworthiness standards for Normal, Utility, Acrobatic and Commuter Category Airplanes, Title 14, Part 23, specify that distances are to be in nautical miles, and speeds in knots. From a practical point of view, a nautical mile is identical to a minute of latitude, a distance in nautical miles on a chart can easily be measured by using dividers and the latitude scales on the sides of the chart. OK, now I have identified myself as someone who flew long before GPS.
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If we are to use airworthiness standards as the metric for appropriateness, despite lack of applicability to EAB, then I believe we should at least be consistent in their application...
ELT Ant locations
Certified GPS ant installation requirements
Pilot Operating Manuals
Adherence to engine RPM and other limits such as Vne
Max Gross Weight deviations
etc...
my .01
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02-03-2012, 09:25 AM
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Join Date: Feb 2005
Location: Huskerland, USA
Posts: 5,862
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Quote:
Originally Posted by rgmwa
Mel, that's no help at all 
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But it was funny!
Good one Mel.
I always thought you were a little slower than your bride. 
__________________
RV-7 : In the hangar
RV-10 : In the hangar
RV-12 : Built and sold
RV-44 : 4 place helicopter on order.
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02-03-2012, 09:36 AM
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Join Date: May 2005
Posts: 502
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I used primer...
...have tricycle gear, a slider canopy and use knots for my airspeed.
There that covers all of them.
__________________
Carl Raichle
Lutz, FL
RV-9A N194CR
RV-14A Under construction
Based at KZPH
AA4SR
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02-03-2012, 10:46 AM
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Join Date: Jan 2005
Location: Roy, Utah
Posts: 1,144
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Quote:
Originally Posted by Geico266
Has anyone notice the performance numbers published by Van's Aircraft for our airplanes is in MPH? Hmmmm?
http://www.vansaircraft.com/public/rv-6per.htm
Why would we change what the engineers of our aircraft have determined to be a better unit of measure? 
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I used both actually. Knots to flight plan and cruise. MPH to land.
My airspeed indicator has MPH on the outer (easy to read) scale so I could quickly verify my numbers against Vans.
402 hours later I glance at it occasionally like when in turbulence or while in the pattern. I think most of fly by the seat of our pants after a while anyway.
__________________
Five Sierra Fox
RV-9A
Utah
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02-03-2012, 01:52 PM
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Join Date: Jun 2011
Location: Huntsville, AL
Posts: 89
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Knots or MPH?
Think big. Use Mach.
__________________
Jay Staub
Lt. Col., USAF, Ret.
N6565S Reserved
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02-03-2012, 01:53 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Quote:
Originally Posted by Mark12A
Think big. Use Mach.
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Think real big-----use warp factor 
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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02-03-2012, 02:03 PM
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Join Date: Jun 2011
Location: Huntsville, AL
Posts: 89
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Warp Factor?
During bomber competitions, one word indicated a direct hit:
Shack!
__________________
Jay Staub
Lt. Col., USAF, Ret.
N6565S Reserved
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