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carb or fuel injection?

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T22

Joined: 02 Jul 2007
Posts: 2

Posted: Mon Jul 02, 2007 7:24 pm Post subject: carb or fuel injection?

What are the pros/cons of a carbureated engine?  I am new to aviation but work in automotive R&D.  Our resident PhD scratched his head and couldn't answer why every single-engine GA aircraft didn't have fuel injection and turbocharging.  Reading AOPA's "Flight Training" most recent issue, it talked about potential icing taking place INSIDE a carburator (yikes!) but considerably less likely with fuel injection.  Checking the Lycoming 360 series website and brochure, both of these features are listed as options and don't seem heavily promoted.  Can anyone educate this newbie?

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Dale Ensing

Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC

Posted: Tue Jul 03, 2007 2:56 am Post subject: carb or fuel injection?

Fuel injection vs. carburated - a basic comparison

Pros:

1. able to run lean of peak

        more efficient

        less fouled sparks

2. more evenly balanced power from each cylinder

        smother engine

3. less likely carb icing



Cons:

1. cost

2. difficult engine restarts when engine is hot



Some of the engine experts will have things I am forgetting but this gives 

you a simple comparison. When I was making my engine decisions I decided to 

spend the money on a electonic controlled ignition and constant speed prop. 

versus fuel injection. Would be nice to have it all but like other areas 

when building you get to decided what works for you and your airplane 

budget..

Dale Ensing

Carburated O-360

Message ----- 

From: "T22" <stone37house-airplane(at)yahoo.com>

To: <lycomingengines-list(at)matronics.com>

Sent: Monday, July 02, 2007 11:24 PM

Subject: carb or fuel injection?

 	  Quote: 	
		   

 <stone37house-airplane(at)yahoo.com>



 What are the pros/cons of a carbureated engine?  I am new to aviation but 

 work in automotive R&D.  Our resident PhD scratched his head and couldn't 

 answer why every single-engine GA aircraft didn't have fuel injection and 

 turbocharging.  Reading AOPA's "Flight Training" most recent issue, it 

 talked about potential icing taking place INSIDE a carburator (yikes!) but 

 considerably less likely with fuel injection.  Checking the Lycoming 360 

 series website and brochure, both of these features are listed as options 

 and don't seem heavily promoted.  Can anyone educate this newbie?





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=121917#121917

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_________________
Dale Ensing
RV-6A
Aero Plantation
Weddington NC

esmith6(at)satx.rr.com
Guest

Posted: Tue Jul 03, 2007 9:35 am Post subject: carb or fuel injection?

Please do not archive!

I have always had a carb., and have no complaints...Carb. heat works

fine...What I hear from friends with injection is to clean or change the

filters often...The injectors become slightly clogged and interrupts the

flame pattern, and the engine will run rough, otherwise, I suppose they are

OK...Be careful on Lyc engine choice if building an RV, some engines won't

fit inside the cowl without major alterations................Other wise,

toss a coin........................CHEERS!!!!..............Gene

Smith...RV-4...14 yrs flying that wonderful machine.



Please do not archive!



---

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