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09-17-2015, 04:54 AM
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Join Date: Feb 2011
Location: USA
Posts: 3,179
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Michael, impressive progress! All the best with the rest of your testing and progress to phase one!
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09-17-2015, 06:15 AM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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Quote:
Originally Posted by maxelrad
I didn't use the factory ECU as it requires a code to operate from the body control computer. Custom tuning with the Microsquirt better matches the aircraft reqirements also. My cowl is complete - will show it in a later post. It appears smewhat ungainly.
Took six months to fabricate from scratch s-glass over a wood and plaster buck.
Yes - the box up front is the PSRU - cog belt driven.
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Yes, most 2000 and up OEM ECUs are heavily tied into chassis sensors making them complicated or scary to use on other applications like aircraft where those sensors are simply not there to send signals back. You never know what the ECU response may be- from throwing a code to limp mode to fuel pump shutdown, ignition or fuel cuts. Hence the widespread use of aftermarket controllers where responses are predictable and known.
Kudos to get it all in there and running. That's a big job.
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09-17-2015, 10:00 AM
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Join Date: Nov 2007
Location: Jacksonville,Fl. 32246
Posts: 270
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Tomcat RV 4 in Poughkeepsie, NY is finishing up - 4 with Subaru 2.5 stock eng., with airtrikes geared PSRU, SDS ignition/injection control. Nice thing about smooth auto engine, you can test fire without prop. Modifying RV4 cowl to cover Subaru. Fiberglass is not my thing, but can't be any worse than constructing old style slow build -4...Hope to have to airport spring/summer 2016...Someday photos.. If this works out as planned , would be inexpensive way into air....Have photos, but job, family life leave no time to get them onto VAF . Tom
__________________
Tomcat RV4
RV4 gone to RV heaven !building Zenith 701
dues paid and worth every penny
Life is uncertain -Eat desert first !
U F O Member since Dec 2017
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09-17-2015, 10:20 AM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,458
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Bad link?
Quote:
Originally Posted by maxelrad
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I'm getting a "404 error" on the link. Anybody able to see the photos?
For OP, I suggest you read this...maybe that will work.
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Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it!
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
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09-17-2015, 03:17 PM
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Join Date: Jun 2013
Location: Encinitas, CA
Posts: 26
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stability
With all the extra frontal area it might be a good idea to have a smart aero guy look at stability before you commit to flight.
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Pat Falley
RV-4, 582M - bought 9/01 - sold 8/20
RV-6, 524JN - bought 8/20 - happy wife.
SNJ-5C, 665C - ground up restoration, almost done.
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09-17-2015, 04:52 PM
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Join Date: Jul 2009
Location: Mojave
Posts: 4,652
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Quote:
Originally Posted by cguarino
A little up elevator would make me feel better.
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Yep. Engine start with full down elevator...
My Rocket would be on it's nose in a heartbeat.
Will be interesting to watch the progress however. Always rooting for the alternative engine guys.
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WARNING! Incorrect design and/or fabrication of aircraft and/or components may result in injury or death. Information presented in this post is based on my own experience - Reader has sole responsibility for determining accuracy or suitability for use.
Michael Robinson
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Harmon Rocket II -SDS EFI
RV-8 - SDS CPI
1940 Taylorcraft BL-65
1984 L39C
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09-17-2015, 05:49 PM
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Join Date: Dec 2009
Location: Montreal
Posts: 1,456
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It sounds really smooth and quiet. Is it quiet in person? What kind of powerplant is it? Are there many flying? Hats off to you for taking the challenge.
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Scott Black
Old school simple VFR RV 4, O-320, wood prop, MGL iEfis Lite
VAF dues 2020
Instagram @sblack2154
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09-17-2015, 05:50 PM
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Join Date: Nov 2008
Location: Shreveport, LA
Posts: 1,002
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it was a great video. please do keep us posted!
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09-17-2015, 06:53 PM
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Join Date: Mar 2005
Location: Calgary, Canada
Posts: 5,766
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Quote:
Originally Posted by sblack
It sounds really smooth and quiet. Is it quiet in person? What kind of powerplant is it? Are there many flying? Hats off to you for taking the challenge.
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2.2L Ecotec. I believe the late Bud Warren was working on a LSJ (supercharged Ecotec) a few years back. Not sure if it flew or not.
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09-17-2015, 07:08 PM
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Join Date: Feb 2005
Posts: 571
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This design isn't my cup of tea either, but why all the snarky comments? What's wrong with experimentation and innovation in an "experimental aircraft" and on an experimental aircraft website? You guys sound like you wear helmets to bed. Sheesh!
Lee...
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Lee Logan
Ridgeland, SC (3J1)
F1 Rocket #160 flying
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