Mailing List lml@lancaironline.net Message #65294
From: Scott E Keighan <scottekeighan@sympatico.ca>
Sender: <marv@lancaironline.net>
Subject: RE: [LML] LNC4 Performance
Date: Thu, 25 Apr 2013 01:48:47 -0400
To: <lml@lancaironline.net>
I fly the same plane as you. Also a LIV with the same engine and same empty weight, weird huh.

I use 2700rpm for take off with rolling the rpm back to 2500 within the first 500 ft of altitude.
My normal climb speed is 160kts seeing between 700 to 1000 fpm initially degrading with altitude.
By the time i get above 16000 my climb is down to 100 to 200 fpm with an indicated of 140 kts.

I normally cruise at 2450 to 2500 rpm, with a fuel burn of between 11.5 to 13.5 gph.  I like to fly between
8000 to 14000.  I always have oxygen on the plane for when i need it.

I routinely fly in and out of 3500 ft with 2 on board and 300 lbs of fuel.  I have gone in and out of 2500 ft
Also but it just seems short although I still had lots of space left.   With  600 lbs of fuel and 4 persons i can get in and out of 4000ft with no issues
although 5000 ft is more comfortable.

I still get some blowby with 160 hrs.

Scott keighan




To: lml@lancaironline.net
Date: Wed, 24 Apr 2013 19:44:04 -0400
From: cscheid@charter.net
Subject: [LML] LNC4 Performance

We are in phase one flight testing of our LIV (N304R). In the initial couple of hours, our new IO550G had significant blow by. Now that rings are starting to seat, power is improving. Using Cloud Ahoy and an AV8OR GPS we are logging performance. Recently, our improving climb and cruise results for the indicated conditions are:

                Loading:               Empty 1950 lbs plus 550 lbs fuel and pilot

                Power:                 Full throttle       2500 RPM            Best power leaning

Climb at 125 KIAS             Density altitude 11000 ft              1200 ft/min

Cruise at 12600 density altitude                                211 KTAS

We’d be interested in how this compares with other LIV or LIVP results, especially below 18000 ft density altitude.

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