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04-16-2010, 08:38 AM
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Join Date: Jan 2006
Location: North Yorkshire UK
Posts: 152
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Rotec Engineering TBI ?
Whilst Looking at alternatives to carburettors and FI on Lycoming 320 engines I came across the Rotec TBI.
Has anyone used the TBI 40-4?
It appears to be the only one which is approved for mogas (which has great appeal to me). Not to mention that it looks beautifully engineered.
For those who have gone before the pros and cons of TBI operations and installation would be useful. Thanks.
__________________
Andy
RV-4
#4411
G-RATC
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04-16-2010, 07:13 PM
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Join Date: Oct 2009
Location: Sidney, BC, Canada
Posts: 4,111
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I'm interested in this as well, i'd be considering it for an RV-6 though... Also an O-320. E2D, if it matters.
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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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04-16-2010, 07:45 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Try searching on "Rotec TBI". At least one RV builder was installing it when they first made this announcement last year.
Not much has been said about it since.
__________________
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
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04-16-2010, 09:05 PM
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Join Date: Jan 2005
Location: MN
Posts: 2,290
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I have one....
I have been flying too much to take the time to install it. Probably next annual.
RocketBob has one for his -6 and is further along on the install. Maybe he will chime in.
__________________
Cheers,
Pete
Amateur Plane - RV-9A N789PH - 2400+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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04-16-2010, 09:59 PM
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Join Date: Jul 2008
Location: Camas, WA
Posts: 481
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FWIW
a pal put one on his O-320 powered Swick Taylorcraft. We took my RV-4 FAB and copied it for the install. He LOVES the thing. Gets way better fuel economy than the pressure carb that came off the airplane. Idles better, and runs better.
Really neat design. Uses nylon gaskets for the slide, and the fuel metering is done with a really unique and incredibly simple design. I'm going to put one on the four as soon as the marvel dribbler needs a rebuild...
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04-17-2010, 12:03 PM
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Join Date: Jan 2006
Location: North Yorkshire UK
Posts: 152
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Rotec TBI
Dennis, thanks for the input, it does sound promising!
You have answered one of the questions I've posted to Rotec regarding the use of the Vans FAB. No rush, but if there is any chance of a photo of the FAB modification/installation it would be a useful reference.
More importantly having seen one do you think there will be any major issues fitting it in/under the -4 standard 0-320 cowls?
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Andy
RV-4
#4411
G-RATC
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04-17-2010, 01:48 PM
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Join Date: Dec 2005
Location: Wilmington, NC
Posts: 523
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Quote:
Originally Posted by Dmadd
Really neat design. Uses nylon gaskets for the slide, and the fuel metering is done with a really unique and incredibly simple design. I'm going to put one on the four as soon as the marvel dribbler needs a rebuild...
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Yep, it's unique. Ben Ellison has been building them for over 25 years. Patent ran out. The Rotec is a copy.
http://www.ellison-fluid-systems.com/
Tony |
04-17-2010, 06:07 PM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,669
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Quote:
Originally Posted by petehowell
I have been flying too much to take the time to install it. Probably next annual.
RocketBob has one for his -6 and is further along on the install. Maybe he will chime in.
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Got the cable brackets and spacer made, but have hesitated to put it on since I could not get adequate test time this winter before making a few long trips in the RV. I just got back from SNF so I've got no more excuses...  Its hard sometimes to start modifying a perfectly good flying RV that runs like a watch. The other side of it is I want to make a few more 'before' test flights to validate the data I've already captured in order to properly validate my testing with the Rotec. Stay tuned.
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Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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04-20-2010, 04:12 AM
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Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,664
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Quote:
Originally Posted by ratc
Whilst Looking at alternatives to carburettors and FI on Lycoming 320 engines I came across the Rotec TBI.
Has anyone used the TBI 40-4?
It appears to be the only one which is approved for mogas (which has great appeal to me). Not to mention that it looks beautifully engineered.
For those who have gone before the pros and cons of TBI operations and installation would be useful. Thanks.
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Airflow Performance FI is also approved for mogas.
__________________
Ron Schreck
IAC National Judge
RV-8, "Miss Izzy", 2250 Hours - Sold
CAF B-25 - Airbase Arizona
VAF 2021 Donor
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