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04-01-2009, 06:55 PM
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Join Date: Nov 2007
Location: atlanta, GA
Posts: 102
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For those of you with a g meter
What is the maximum "g" you've ever experienced during landing?
What is the maximum "g" you've ever experienced during level flight that you didn't try to pull/push?
- just trying to feel out what kind of forces these planes might be subjected to without trying.
__________________
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Jason Klovning
RV8A fuse
Platteville, WI
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04-01-2009, 07:04 PM
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fugio ergo sum
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Join Date: Apr 2006
Location: Carlsbad, NM
Posts: 1,912
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Quote:
Originally Posted by klovning
What is the maximum "g" you've ever experienced during landing?
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Nothing noticeably over 1. Of course loads during landing are transferred to the landing gear, not the wing.
Quote:
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What is the maximum "g" you've ever experienced during level flight that you didn't try to pull/push?
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When it is really bumpy I see something around 2 or a little over and 0 or so. I may have seen 2.5 on occasion. Nothing in normal flight approaches the aircraft's limits.
Interesting that sharp edged 2 gs in turbulence is really really uncomfortable for me. It can feel brutal. On the other hand, a nice smooth pull to 5 gs or so feels relatively like nothing.
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Larry Pardue
Carlsbad, NM
RV-6 N441LP Flying
Last edited by n5lp : 04-01-2009 at 07:15 PM.
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04-01-2009, 07:18 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Jason,
This is the G Data I plotted from my Dynon after a particularly uncomfortable flight. For comparison I included the data from a "smooth" flight I made the week earlier.
 <-- Click to enlarge.
As for G loading on landing, as you can see from the data (The last bump before the flat line.), my landings are fairly smooth.
What surprised me was the flight from the 25th was VERY smooth, yet there were a good number of small bumps. The flight on the 30th almost had my wife ready to barf and she is a good passenger.
The other thing to note is the negative jolts were more severe than any of the positive hits.
As a side note I rolled the plane and then cranked it into a TIGHT left turn. The roll was all of 1.2 G's but the turn was 3.8. Go figure.
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
Last edited by N941WR : 04-01-2009 at 07:25 PM.
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04-01-2009, 07:41 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,208
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Quote:
Originally Posted by n5lp
Nothing noticeably over 1. Of course loads during landing are transferred to the landing gear, not the wing.
When it is really bumpy I see something around 2 or a little over and 0 or so. I may have seen 2.5 on occasion. Nothing in normal flight approaches the aircraft's limits.
Interesting that sharp edged 2 gs in turbulence is really really uncomfortable for me. It can feel brutal. On the other hand, a nice smooth pull to 5 gs or so feels relatively like nothing.
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This mirrors my experience. I hate those sharp bumps that bounce my noggin off the canopy.
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Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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04-01-2009, 07:54 PM
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Join Date: Sep 2006
Location: Defiance, MO
Posts: 1,666
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Instantanous Gs
I am not sure most g-meters actually have the capability to register the true instantanous gs of flying in turbulance.
Landing loads are cushioned by the gear and therefore your g-meter should not read much even on a bad landing unless you totally bottom out the gear and tire.
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Philip
RV-6A - 14+ years, 900+ hours
Based at 1H0 (Creve Coeur)
Paid dues yearly since 2007
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04-01-2009, 08:09 PM
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Join Date: Jan 2009
Location: Northern California
Posts: 153
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-4+3. Compliments of crossing below and behind a down and dirty 757.
Tom
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04-01-2009, 08:18 PM
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Join Date: Feb 2005
Location: Huskerland, USA
Posts: 5,862
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Quote:
Originally Posted by Kyle Boatright
This mirrors my experience. I hate those sharp bumps that bounce my noggin off the canopy.
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I hope you are not bouncing your head off the canopy when landing! 
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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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04-01-2009, 08:25 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,208
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Quote:
Originally Posted by Geico266
I hope you are not bouncing your head off the canopy when landing! 
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Not yet, but give me time. ;-)
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Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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04-01-2009, 11:00 PM
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Join Date: Jan 2005
Location: NC25
Posts: 3,503
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Quote:
Originally Posted by klovning
What is the maximum "g" you've ever experienced during level flight that you didn't try to pull/push?
- just trying to feel out what kind of forces these planes might be subjected to without trying.
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5.5 G. Was in level flight and hit CAT. Went up 1,500 then down 1,000 before I got the airplane under control.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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04-02-2009, 12:35 AM
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Join Date: Nov 2007
Location: atlanta, GA
Posts: 102
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Thanks everbody! Sounds like, except for rare cases most people are able to keep it between 0 and 2 at all times...
Jason Klovning M. D.
__________________
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Jason Klovning
RV8A fuse
Platteville, WI
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