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08-13-2014, 05:50 PM
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Join Date: Aug 2010
Location: San Luis Obispo
Posts: 199
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Relentless Gets EFii upgrade
I have been so impressed with testing EFii on several customer Titan engines, I decided to go all in for Relentless NXT this year. I can't wait to be able to manage the fuel with the precision of this system. Added bonus, Robert was able to program ECU to automatically manage ADI during race. This will greatly reduce the workload while chasing Race 43 this year... 
Protech converted the stock induction in my GTSIO race engine.
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08-14-2014, 07:23 AM
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Join Date: Jun 2006
Location: Port Orange, FL (7FL6)
Posts: 274
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Kevin,
I love the experimental work that your doing! I do have a couple of questions. Is there a reason in this setup that you didn't go with a fuel injector for each cylinder? Or are the two injectors that are in the picture for the ADI? Also does this setup have a mixture control?
Thanks,
Brian
__________________
Flying as of 1-12-2016!!!!!
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08-14-2014, 11:59 AM
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Join Date: Jan 2008
Location: Upland, CA
Posts: 286
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EFII setup on GTSIO-550
Hi Brian,
In the pic, you can see the ADI injectors (Anti Detonation Injection).
There will be a gasoline injector on each intake tube.
You can also see the Throttle Position Sensor, and Intake Air Temp sensors.
Mixture control is automatic, though the pilot can modify it if desired.
Robert
Last edited by rcpaisley : 08-14-2014 at 12:14 PM.
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08-14-2014, 12:26 PM
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Join Date: Jan 2008
Location: Upland, CA
Posts: 286
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EFII on GTSIO
Here is a pic of some of the other parts involved to set up the GTSIO.
On the left is the crank trigger and trigger wheel. These go on the front of the crankshaft which is accessible under a cover plate under the propshaft.
On the right are the magneto block plates. These have Teflon bushings that locate the accessory drive gear and shaft which remain after the mag is removed.
Robert
Last edited by rcpaisley : 08-14-2014 at 03:03 PM.
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08-14-2014, 12:45 PM
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Join Date: Jun 2006
Location: Port Orange, FL (7FL6)
Posts: 274
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Thanks for the response! Any chance of installing one of these on a 9 cylinder Rotec engine, like the one on my RV-8? How difficult would it be to do both the fuel and ignition?
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Flying as of 1-12-2016!!!!!
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08-14-2014, 12:55 PM
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Join Date: Jan 2010
Location: Destin
Posts: 1,543
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pics of the plane you are putting this on?
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08-14-2014, 12:57 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Look at his avatar photo.
Here is a shot of the plane from Reno, 2008.
__________________
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."
Last edited by Mike S : 08-14-2014 at 01:04 PM.
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08-14-2014, 12:58 PM
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Join Date: Feb 2011
Location: Hastings, MN
Posts: 582
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This is the Relentless NXT:
__________________
Ed Kranz
RV-10 N829EC - Flying
First Flight: 8/29/15
KSGS - Fleming Field, South Saint Paul, Minnesota
YouTube.com/GoodPlaneLiving -- Build Timelapse and Travel Videos . . GoodPlaneLiving.com -- Build and Travel Blog
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08-14-2014, 01:08 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Ed, I believe the actual design is a Nemesis NXT------Kevin calls his plane Relentless.
Second generation of Jon Sharp's Nemesis. The original raced Formula 1, as I recall.
http://www.nemesisnxt.com/kit/p3-2.php
__________________
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."
Last edited by Rosie : 09-16-2014 at 11:26 AM.
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08-14-2014, 02:13 PM
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Join Date: Aug 2013
Location: San Diego, Ca
Posts: 431
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Can't wait to see it in person....
__________________
John Walker
RV-10 N265WD
"Miss Whiskey Delta"
BPE IO-540, FULL EFII
KMYF, San Diego, Ca.
KEOS, Neosho, MO
Crew Chief
Grove Aero Super Legacy Reno Racer,
twin turbo, IO-540,
full EFII management system!
Race Coordinator STOL Drag coming to Reno, 2019
"so I got that going for me... which is nice."
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