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IO-320 Fuel System Diagram??

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squishyoleo(at)yahoo.ca
Guest

Posted: Tue Sep 22, 2009 3:57 pm Post subject: IO-320 Fuel System Diagram??

Hi All!



I'm building an RV-9A and I've decided that I want to go with an IO-320 (vertical induction) engine which will probably be purchased from Aerosport in BC (I'm located in Canada).  This engine uses the Precision Airmotive Silver Hawk EX fuel injection system which, from what I'm told, has no fuel vapor return lines.  This seems like a nice feature as that means that I wouldn't have to poke another set of holes in my tanks.



Unfortunetly in all the time I've spent researching and gathering information on how to hook it all up, I've been finding that there is an amazing lack of information on how one would go about installing it.  I asked Aerosport if they had any information on how the system would be plumbed in and they said I should go talk to Precision.  I went and spoke with Precision and they told me that that would be dictated by the engine manufacturer and I should go talk to them.  I'm stuck.  Van's has apparently never installed a vertical induction fuel injected engine on any of their planes so they won't even begin to speculate.  The Van's Airforce site was no help (which was surprising) as well as a couple of dozen builder websites which didn't help either.



Is anyone here using a setup like that?  Would anyone here have a diagram as to how this system would be put together?



Thanks!



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mrobert569(at)hotmail.com
Guest

Posted: Tue Sep 22, 2009 5:27 pm Post subject: IO-320 Fuel System Diagram??

While we did not use the precision fuel injection system we did install an IO-320 in our RV-9A using the airflow performance FI system.  Sorry I don't have any pictures but I can tell you that we basically used the Van's RV-7A fuel injection system drawing.  The exception was the fuel return line coming from the purge valve mounted to the flow divider. We had to install a return line from the flow purge valve to the left tank fuel line just prior to the selector valve.  Easy to do and the only special consideration is that we purge and start on the right tank.  Any questions drop me a line.

  

 Mike Robertson

 Das Fed

 

 	  Quote: 	
		   Date: Tue C 22 Sep 2009 16:49:27 -0700

 From: squishyoleo(at)yahoo.ca

 Subject: IO-320 Fuel System Diagram??

 To: rv-list(at)matronics.com

 

 --> RV-List message posted by: Mike De Lange <squishyoleo(at)yahoo.ca>

 

 Hi All!

 

 I'm building an RV-9A and I've decided that I want to go with an IO-320 (vertical induction) engine which will probably be purchased from Aerosport in BC (I'm located in Canada).  This engine uses the Precision Airmotive Silver Hawk EX fuel injection system which C from what I'm told C has no fuel vapor return lines.  This seems like a nice feature as that means that I wouldn't have to poke another set of holes in my tanks.

 

 Unfortunetly in all the time I've spent researching and gathering information on how to hook it all up C I've been finding that there is an amazing lack of information on how one would go about installing it.  I asked Aerosport if they had any information on how the system would be plumbed in and they said I should go talk to Precision.  I went and spoke with Precision and they told me that that would be dictated by the engine manufacturer and I should go talk to them.  I'm stuck.  Van's has apparently never installed a vertical induction fuel injected engine on any of their planes so they won't even begin to speculate.  The Van's Airforce site was no help (which was surprising) as well as a couple of dozen builder websites which didn't help either.

 

 Is anyone here using a setup like that?  Would anyone here have a diagram as to how this system would be put together?

 

 Thanks!

 

 

 

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[quote] 

 

 

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Kellym

Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ

Posted: Tue Sep 22, 2009 5:51 pm Post subject: IO-320 Fuel System Diagram??

Not sure what a vertical induction would look like, as the injected type 

certificated versions of Lycoming I am familiar with all had Precision 

horizontal induction, and have no provisions for any return line. Any 

reason you couldn't specify a horizontal induction sump for your engine? 

I would look to what the Twin Comanche used with the IO-320.

Mike Robertson wrote:

 	  Quote: 	
		   While we did not use the precision fuel injection system we did install 

 an IO-320 in our RV-9A using the airflow performance FI system.  Sorry I 

 don't have any pictures but I can tell you that we basically used the 

 Van's RV-7A fuel injection system drawing.  The exception was the fuel 

 return line coming from the purge valve mounted to the flow divider. We 

 had to install a return line from the flow purge valve to the left tank 

 fuel line just prior to the selector valve.  Easy to do and the only 

 special consideration is that we purge and start on the right tank.  Any 

 questions drop me a line.

 Mike Robertson

 Das Fed

  > Date: Tue, 22 Sep 2009 16:49:27 -0700

  > From: squishyoleo(at)yahoo.ca

  > Subject: IO-320 Fuel System Diagram??

  > To: rv-list(at)matronics.com

  >

  > 

  >

  > Hi All!

  >

  > I'm building an RV-9A and I've decided that I want to go with an 

 IO-320 (vertical induction) engine which will probably be purchased from 

 Aerosport in BC (I'm located in Canada).  This engine uses the Precision 

 Airmotive Silver Hawk EX fuel injection system which, from what I'm 

 told, has no fuel vapor return lines.  This seems like a nice feature as 

 that means that I wouldn't have to poke another set of holes in my tanks.

  >

  > Unfortunetly in all the time I've spent researching and gathering 

 information on how to hook it all up, I've been finding that there is an 

 amazing lack of information on how one would go about installing it.  I 

 asked Aerosport if they had any information on how the system would be 

 plumbed in and they said I should go talk to Precision.  I went and 

 spoke with Precision and they told me that that would be dictated by the 

 engine manufacturer and I should go talk to them.  I'm stuck.  Van's has 

 apparently never installed a vertical induction fuel injected engine on 

 any of their planes so they won't even begin to speculate.  The Van's 

 Airforce site was no help (which was surprising) as well as a couple of 

 dozen builder websites which didn't help either.

  >

  > Is anyone here using a setup like that?  Would anyone here have a 

 diagram as to how this system would be put together?

  >

  > Thanks!

  >

  >

  >

  > __________________________________________________________________

  > Make your browsing faster, safer, and easier with the new Internet 

 Explorer® 8. Optimized for Yahoo! Get it Now for Free! at 

 http://downloads.yahoo.com/ca/internetexplor=======================

 &g===============

  >

  >

  >

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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

lifeofreiley2003(at)yahoo
Guest

Posted: Tue Sep 22, 2009 5:54 pm Post subject: IO-320 Fuel System Diagram??

Mark Olson in Canada is getting a new power plant 320 for his RV4 which is fuel injected. He had a Precision set-up he removed from his old 320... he was also wanting to sell the system as his new 320 comes with a new FI system. You may tray and track him down.



Darrell



--- On Tue, 9/22/09, Mike De Lange <squishyoleo(at)yahoo.ca> wrote:



 	  Quote: 	
		   From: Mike De Lange <squishyoleo(at)yahoo.ca>

 Subject: IO-320 Fuel System Diagram??

 To: rv-list(at)matronics.com

 Date: Tuesday, September 22, 2009, 6:49 PM

 

 Mike De Lange <squishyoleo(at)yahoo.ca>

 

 Hi All!

 

 I'm building an RV-9A and I've decided that I want to go

 with an IO-320 (vertical induction) engine which will

 probably be purchased from Aerosport in BC (I'm located in

 Canada).  This engine uses the Precision Airmotive Silver

 Hawk EX fuel injection system which, from what I'm told,

 has no fuel vapor return lines.  This seems like a nice

 feature as that means that I wouldn't have to poke another

 set of holes in my tanks.

 

 Unfortunetly in all the time I've spent researching and

 gathering information on how to hook it all up, I've been

 finding that there is an amazing lack of information on how

 one would go about installing it.  I asked Aerosport if

 they had any information on how the system would be plumbed

 in and they said I should go talk to Precision.  I went and

 spoke with Precision and they told me that that would be

 dictated by the engine manufacturer and I should go talk to

 them.  I'm stuck.  Van's has apparently never installed a

 vertical induction fuel injected engine on any of their

 planes so they won't even begin to speculate.  The Van's

 Airforce site was no help (which was surprising) as well as

 a couple of dozen builder websites which didn't help

 either.

 

 Is anyone here using a setup like that?  Would anyone here

 have a diagram as to how this system would be put together?

 

 Thanks!

 

 

 

      

 __________________________________________________________________

 Make your browsing faster, safer, and easier with the new

 Internet Explorer® 8. Optimized for Yahoo! Get it Now for

 Free! at http://downloads.yahoo.com/ca/internetexplorer/

 

 

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Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Tue Sep 22, 2009 6:58 pm Post subject: IO-320 Fuel System Diagram??

I think you're overthinking it a little as to how hard it

will be to plumb the engine.  On the -10, a vertical induction

precision is really common.  Bart delivers the engine all set

up, and the FI stuff that's left just bolts right up and is

real straight forward.  I can show you some -10 install

photos if you need.  It is nice not to have to worry about

return lines and purge valves, and it makes the install

really simple.  I can't tell you how the airbox on a 9A is

going to go, and how it mates with the cowl.  All I call

say is that on the -10 it just isn't much to worry about.

So if you can get anyone with a vertical system on a 9A to

just take a picture for you, you'll have no problem getting

it all set up.  All of the people you referred to will probably

answer the questions with good answers, but just be careful

to ask the right questions to the right people, as you're

asking them.  Don't bother Bart with questions about how

it fits with the 9A cowl.  Don't ask Precision about the

electric boost pump and all the stuff that comes before their

system.  Just focus the questions from each person on the

thing that they know best.

Tim Olson - RV-10 N104CD

do not archive

Mike De Lange wrote:

 	  Quote: 	
		   

 

 Hi All!

 

 I'm building an RV-9A and I've decided that I want to go with an

 IO-320 (vertical induction) engine which will probably be purchased

 from Aerosport in BC (I'm located in Canada).  This engine uses the

 Precision Airmotive Silver Hawk EX fuel injection system which, from

 what I'm told, has no fuel vapor return lines.  This seems like a

 nice feature as that means that I wouldn't have to poke another set

 of holes in my tanks.

 

 Unfortunetly in all the time I've spent researching and gathering

 information on how to hook it all up, I've been finding that there is

 an amazing lack of information on how one would go about installing

 it.  I asked Aerosport if they had any information on how the system

 would be plumbed in and they said I should go talk to Precision.  I

 went and spoke with Precision and they told me that that would be

 dictated by the engine manufacturer and I should go talk to them.

 I'm stuck.  Van's has apparently never installed a vertical induction

 fuel injected engine on any of their planes so they won't even begin

 to speculate.  The Van's Airforce site was no help (which was

 surprising) as well as a couple of dozen builder websites which

 didn't help either.

 

 Is anyone here using a setup like that?  Would anyone here have a

 diagram as to how this system would be put together?

 

 Thanks!

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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emrath(at)comcast.net
Guest

Posted: Wed Sep 23, 2009 5:34 pm Post subject: IO-320 Fuel System Diagram??

Mike, 

Here's a couple of items to think about. I have picked up Precision's

interactive CD titled "Maintaining the RSA Fuel Injection System, a Video

tape from them titled the same, and several informative PDF's from

Precision's Web site such as the "operating and Performance Data" and "Price

and Information Catalog". I also picked up somewhere the RSA-5 and RSA-10

Fuel Injection Systems "Operations and Service Manual" from Bendix, Energy

Controls Division.  All of which helped me to understand the system.



I purchased a 0-360 Lycoming used with a Bendix FI system, no purge line

required, but it had been removed from the engine.  The servo fits just like

the carb on the engine bottom but the mixture arm interfered with the FAB on

my RV-6A.  I purchased a 0.75" spacer from Mr. Bowhay on this list years ago

before he died and still I had to cut into the flange on the top side of the

FAB.  One could of course modify the top of the FAB to accommodate, so this

was a tricky area.   Also, the original installation did not run the fuel

like to the distribution spider between the cylinders and I had to modify

mind to do so. I'm just finishing painting and have not started the engine,

but hope to do so very soon and find out if all works.  Otherwise, it was

not more difficult that a carb would have been to install.



Marty in Brentwood TN

RV-6A painting.

Time: 04:57:51 PM PST US

From: Mike De Lange <squishyoleo(at)yahoo.ca>

Subject: IO-320 Fuel System Diagram??

Hi All!



I'm building an RV-9A and I've decided that I want to go with an IO-320

(vertical

induction) engine which will probably be purchased from Aerosport in BC (I'm

located in Canada). This engine uses the Precision AirmotiveSilver HawkEX

fuel injection system which, from what I'm told, has no fuel vapor return

lines. This seems like a nice feature as that means that I wouldn't have to

poke another set of holes in my tanks.



Unfortunetly in all the time I've spent researching and gathering

information on how to hook it all up, I've been finding that there is an

amazing lack of information on how one would go about installing it. I asked

Aerosport if they had any information on how the system would be plumbed in

and they said I should go talk to Precision. I went and spoke with Precision

and they told me that that would be dictated by the engine manufacturer and

I should go talk to them. I'm stuck. Van's has apparently never installed a

vertical induction fuel injected engine on any of their planes so they won't

even begin to speculate. The Van's Airforce site was no help (which was

surprising) as well as a couple of dozen builder websites which didn't help

either.



Is anyone here using a setup like that? Would anyone here have a diagram as

to how this system would be put together?



Thanks!

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squishyoleo(at)yahoo.ca
Guest

Posted: Thu Sep 24, 2009 5:21 am Post subject: IO-320 Fuel System Diagram??

Thanks to everyone who replied - it was very much appreciated and every bit of information helps at this point.  I ended up spending almost an hour on the phone with Bart from Aerosport yesterday and he helped me hash out the system and answered every question I had.  Yea - I was over-thinking and over-complicating the whole system.



Mike

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rgf(at)dcn.davis.ca.us
Guest

Posted: Thu Sep 24, 2009 5:34 pm Post subject: IO-320 Fuel System Diagram??

Say--can you summarize what you learned and what you will do?



Ralph Finch

Davis, California

RV-9A QB-SA

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squishyoleo(at)yahoo.ca
Guest

Posted: Fri Sep 25, 2009 5:10 pm Post subject: IO-320 Fuel System Diagram??

Sure can - I'm actually working on a general system overview diagram that should be able to describe it better than I ever could in words.  Once I finish it I'll post it on the list here.



Mike





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