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  #1  
Old 06-08-2022, 05:19 AM
joedallas's Avatar
joedallas joedallas is offline
 
Join Date: May 2010
Location: Spring Hill Fl
Posts: 761
Default N7944A Phase One

N7944A just passed the DAR inspection and is now starting phase one flight testing.

We started our phase one testing yesterday All went well

Video one of three
https://www.youtube.com/watch?v=UmzgFCs92g8

Video two of three
https://www.youtube.com/watch?v=1RiBIR584X4
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Kit-#12400
www.joesrv12.com
www.EAA1298.com

Last edited by joedallas : 06-08-2022 at 06:29 AM.
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  #2  
Old 06-08-2022, 06:54 AM
Jcurry Jcurry is offline
 
Join Date: Jul 2021
Location: Cocoa,Fl
Posts: 93
Default Congratulations

Congratulations Joe!
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Titusville, Fl
Proud non-builder owner 2011 RV12 N214LA
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  #3  
Old 06-08-2022, 09:37 AM
NinerBikes NinerBikes is offline
 
Join Date: Dec 2018
Location: Granada Hills
Posts: 1,283
Default

With a Jabiru 120 HP. How you gonna keep that thing under 120 kts? What's left for payload # with what that motor weighs over a 912 ULS?
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Last edited by NinerBikes : 06-08-2022 at 09:39 AM.
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  #4  
Old 06-08-2022, 03:03 PM
rv9builder rv9builder is offline
 
Join Date: Jan 2005
Location: Irvine, CA
Posts: 985
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Congratulations, Joe! I've enjoyed following your progress these past few years.
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RV-12iS Fuselage
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VAF donation made for 2022
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  #5  
Old 06-08-2022, 03:28 PM
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Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
Posts: 11,462
Default

Quote:
Originally Posted by NinerBikes View Post
With a Jabiru 120 HP. How you gonna keep that thing under 120 kts? What's left for payload # with what that motor weighs over a 912 ULS?
It's amateur-built. The LSA speed limit does not apply. And HP has little to do with speed.
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Mel Asberry, DAR since the last century. Over 1,000 certifications accomplished. Discount for Veterans, Law Enforcement, Fire Fighters.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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  #6  
Old 06-09-2022, 12:41 PM
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magiccarpet magiccarpet is offline
 
Join Date: Feb 2013
Location: Switzerland, Europe
Posts: 214
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Congratulations Joe !👍 During my build I often used your posts for reference and cross checking. Happy for you that you are airborne
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  #7  
Old 06-09-2022, 01:16 PM
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Draker Draker is online now
 
Join Date: Jun 2016
Location: Livermore, CA
Posts: 700
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Wow giddy up! Regarding the high-speed taxi with the nose off the ground, just curious: What's the purpose? Are you looking for a rough rotation speed? Or gauging how the aircraft will perform (and how well braking will work) during the landing roll? Or both?

Looks like the engine quit towards the end of that second run, too--did you diagnose this? Idle set too low or something else?

Nice to see video here--very informative!
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Livermore, CA
https://stiletto.smugmug.com/RV7
Donated 12/31/2021
RV-7A (N12VD): Finishing final tasks for airworthiness
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  #8  
Old 06-09-2022, 05:39 PM
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joedallas joedallas is offline
 
Join Date: May 2010
Location: Spring Hill Fl
Posts: 761
Default Idel was set at 750 rpm

Idel was set at 750 rpm will move it up to 850 rpm if I need to.

the engine only has about 2 hours on it.

I am trying to keep the idle low to help stop the aircraft from floating down the runway.
Gauging how the aircraft will perform and how well braking will work during the landing roll and rudder authority to hold the aircraft on the centerline. all went well.

First flight was today https://www.youtube.com/watch?v=FXgJ6BFARaA

Jun 9, 2022 First test flight of N7944A Pilot Lynn Postel
All went well.




Quote:
Originally Posted by Draker View Post
Wow giddy up! Regarding the high-speed taxi with the nose off the ground, just curious: What's the purpose? Are you looking for a rough rotation speed? Or gauging how the aircraft will perform (and how well braking will work) during the landing roll? Or both?

Looks like the engine quit towards the end of that second run, too--did you diagnose this? Idle set too low or something else?

Nice to see video here--very informative!
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www.joesrv12.com
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  #9  
Old 06-10-2022, 09:40 AM
NinerBikes NinerBikes is offline
 
Join Date: Dec 2018
Location: Granada Hills
Posts: 1,283
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Try final approach speeds where you've made the airfield and cleared the fence at 60 kts, 58 kts and 56 kts, with just you in the plane, and see how that helps with float.

You might find you just have to slip the plane a bit on final to lose the altitude and keep airspeed in check.
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  #10  
Old 06-10-2022, 04:28 PM
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Piper J3 Piper J3 is offline
 
Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,757
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I use a full-fwd slip when landing at my home field - 2100' long. A kind neighbor planted spruce trees at the end of the runway and now they have grown nearly 30' tall. I'm about 55 KIAS over top of trees and then start a slip that I hold all the way to final flare. I warn people who fly with me what is about to happen so they don't mess my seats...
-
https://youtu.be/CvsuBcV5IZs
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Jim Stricker - EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 790

LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father - CFI) - USAAF 1st Lt. Captain B-17H
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