Mailing List lml@lancaironline.net Message #52592
From: Matt Hapgood <matt.hapgood@alumni.duke.edu>
Sender: <marv@lancaironline.net>
Subject: RE: [LML] Turbo-normalized 320 or 360?
Date: Tue, 11 Aug 2009 18:16:44 -0400
To: <lml@lancaironline.net>

I turbo’d my 360 originally.  I started flying it with the turbo (angle valve 360) and ultimately removed the turbo.  It worked, and no heat problems, but it just didn’t add much other than complexity and $.  I also didn’t like stuffing a canula up my nose for every flight.  The turbo added about 50 lbs, $20,000 and 600 hours to the build…  you be the judge!

 

Matt

 

From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Dan & Kari Olsen
Sent: Tuesday, August 11, 2009 6:14 AM
To: lml@lancaironline.net
Subject: [LML] Turbo-normalized 320 or 360?

 

LML Gang,

 

I would like to hear from anyone in the LML community who has experience (good or bad) with running a turbo-normalized Lycoming IO-320 or IO-360 in their Lancair.  My mission is to fly in the mid to upper teens on long cross countries and I would really like to get a bit more power up there than my stock IO-320 is able to deliver.  I am not after significantly higher speeds but would really like to have better climb performance up there and more ability to counter some of the mountain wave downdrafts we experience here over the plains of Eastern Colorado.

 

Specific types of information I’m interested in at this point include:

  • Specific model of engine you are running
  • Which turbo system do you have?
  • Operational issues?
  • Maintenance / reliability issues?
  • Electronic ignition vs. mags?
  • Do you think it was worth it for you?  Why or why not?

 

 

Thanks!

 

Dan Olsen

N320DK

Fort Collins, CO

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