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  #21  
Old 08-09-2019, 01:52 PM
NinerBikes NinerBikes is offline
 
Join Date: Dec 2018
Location: Granada Hills
Posts: 178
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Have all these engineering quirks been updated with the newer RV-12 IST trainer model now in production since 2018?

Thoughts from those with a structural engineering backround?
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  #22  
Old 08-09-2019, 02:36 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 8,276
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The RV-12iS design process included evaluating the entire airplane and considering what could be updated or improved.

Taken from the Van's web site....


Feature Improvements
But, that’s just the beginning! We listened and learned from RV-12 owners, made many improvements to the RV-12 airframe and systems based on real-world customer feedback.


RV-12iS Features – Click to enlarge
Newly designed cowling that’s easier to remove. Plus, it provides greater cooling on the ground and in climb
New throttle quadrant design eliminates the need for special carb return springs used on the 912 ULS model engine
Quick-reacting electric flaps
New throttle actuation allows the pilot to easily select full-power (rich) or economy (leaned) mode
Cup holder (Limited to positive G maneuvers)
Improved canopy latch design
Quick-adjust seat back feature with even greater range of adjustability and greatly improved ease of use
Panel-mounted cockpit handle to aid entrance and exit
Horizontal stabilator tips are now available as an option
Dual USB power outlets
New and improved main landing gear attachment. More rugged and better suited to the training environment — Check out our gear tear-off test video below to see for yourself how and why we designed and tested it
New transversely mounted fuel tank results in more baggage volume and easier loading
Same tank capacity at 20 gallons, but much more usable fuel in climb/takeoff attitude
Larger fuel filler neck is now mounted below the rear window on the co-pilot side — easier to reach less prone to splashing
Increased baggage capacity to 75 lbs


RV-12iS page on the web site

Gear test video - https://www.youtube.com/watch?time_c...&v=yFfLBz2AVcw
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Scott McDaniels
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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  #23  
Old 08-10-2019, 09:09 AM
NinerBikes NinerBikes is offline
 
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Does the new training design take into account stalling and perhaps coming down hard vertically on the main landing gear or a rough drop with a 3 point landing too from gusty winds?
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  #24  
Old 08-10-2019, 10:10 AM
rvbuilder2002 rvbuilder2002 is offline
 
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Quote:
Originally Posted by NinerBikes View Post
Does the new training design take into account stalling and perhaps coming down hard vertically on the main landing gear or a rough drop with a 3 point landing too from gusty winds?
It is understood that those would be common with training, so Yes, that was also considered.
The video is not comprehensive. There were many other test conditions that were done but are not included in the video.
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Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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  #25  
Old 08-10-2019, 10:54 AM
DHeal DHeal is offline
 
Join Date: Sep 2006
Location: Windsor, California
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While not directly comparable in design to the RV-12's landing gear, here is an interesting video depicting Van's landing gear test procedure for the RV-14/14A:

https://www.youtube.com/watch?v=KbFMogBNUa0
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David Heal - Windsor, CA (near Santa Rosa)
EAA #23982 (circa 1965) - EAA Technical Counselor and Flight Advisor; CFI - A&I
RV-12 E-LSA #120496 (SV w/ AP and ADS-B 2020) - N124DH flying since March 2014 - 820+ hours (as of Aug 2019)!
VAF donation through June 2020.
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  #26  
Old 08-20-2019, 01:21 PM
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rv3flier rv3flier is offline
 
Join Date: Apr 2008
Location: La Center WA
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The original link posted doesn't seem to work -- has it been removed?
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  #27  
Old 08-20-2019, 02:19 PM
DHeal DHeal is offline
 
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Location: Windsor, California
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The link I provided above works fine for me. You could also search through Van's Aircraft's website for their various videos.
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David Heal - Windsor, CA (near Santa Rosa)
EAA #23982 (circa 1965) - EAA Technical Counselor and Flight Advisor; CFI - A&I
RV-12 E-LSA #120496 (SV w/ AP and ADS-B 2020) - N124DH flying since March 2014 - 820+ hours (as of Aug 2019)!
VAF donation through June 2020.
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