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  #1  
Old 04-08-2019, 06:02 PM
Walt's Avatar
Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
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Default New Mechanical Fuel Injection for the 912 i being developed

Thought this was interesting with all the talk of EFI lately that this company has chosen to develop a mechanical FI system for the carbed 912.

https://contact337266.wixsite.com/mo...hnique?lang=en
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  #2  
Old 04-08-2019, 06:31 PM
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DanH DanH is offline
 
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Quote:
Originally Posted by Walt View Post
Thought this was interesting with all the talk of EFI lately that this company has chosen to develop a mechanical FI system for the carbed 912.
Serious player too...Gilbert Beringer.

That's an AFP drum mixture valve metering assembly on a small bore throttle. Hard to guess throat size. Injectors are standard Bendix style, same as Lycoming. Nice tuned intake. Me like.
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  #3  
Old 04-08-2019, 06:46 PM
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Piper J3 Piper J3 is offline
 
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Unit looks too tall to fit under RV-12 cowling...
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RV-12 E-LSA #120058 AWC July 2012 N633CM
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  #4  
Old 04-08-2019, 07:48 PM
pilotyoung pilotyoung is offline
 
Join Date: Jan 2018
Location: Birmingham, AL
Posts: 108
Default Fuel Injection

Jim, my exact thought.
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Serial Number 120022, N6812Y
Bought it as a flying airplane in Feb. 2018
Just passed 140 hours flight time in RV-12, and 10,000 hours mostly in corporate jets. I am a CFI; CFII; MEI; and a advancd Ground Instructor, CFIG; and hoping to be able to help new RV-12 owners by doing some transition training for new builders and owners in RV-12's.
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  #5  
Old 04-09-2019, 12:03 AM
dbhill916 dbhill916 is offline
 
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Location: Westerville, OH
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Question "engine running without electricity"

Seems to me you can't have sparks without electricity. What's he using to fire the plugs?
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  #6  
Old 04-09-2019, 12:19 AM
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Piper J3 Piper J3 is offline
 
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The 912 has a separate coil on the back of the engine that powers the capacitive discharge ignition independent of the battery. Similar to magneto in that the engine has to be spinning to self-generate voltage for ignition. Once the engine is running, the battery may be removed. Unlike a magneto, there is a minimum engine rotation speed (I think 500 RPM) required to self-generate voltage and operate the CD ignition.
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Jim Stricker
Hinckley, Ohio (1OA2)
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
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 425

LSRM-A Certificate 2016
Special Thanks... EJ Trucks - Crew Chief A-4 Skyhawk
and MJ Stricker (Flight Instructor) - 1st Lt./Captain B-17H
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  #7  
Old 04-12-2019, 08:31 PM
NinerBikes NinerBikes is offline
 
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Was there any hint of the price point for this FI system?
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  #8  
Old 04-13-2019, 06:57 AM
TS Flightlines TS Flightlines is offline
 
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This is going to be fun!
Tom
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  #9  
Old 05-09-2019, 06:48 AM
David-aviator David-aviator is offline
 
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Don Rivera developed FI for 912 a few years back, I saw it in his shop attending weekend FI class, it was neat.
Not positive about this but believe Rotax paid for it, may be what is today the 912 with factory FI.
Would be nice to see such a retrofit.
I donít like carbs.
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  #10  
Old 05-09-2019, 07:51 AM
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DanH DanH is offline
 
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Quote:
Originally Posted by David-aviator View Post
Don Rivera developed FI for 912 a few years back, I saw it in his shop attending weekend FI class, it was neat.
Not positive about this but believe Rotax paid for it, may be what is today the 912 with factory FI.
Factory is EFI, not constant flow.
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