Mailing List lml@lancaironline.net Message #7235
From: kenharw <kenharw@swbell.net>
Subject: Lancair Weight
Date: Tue, 24 Oct 2000 16:32:46 -0500
To: <matt.hapgood@funb.com>, Lancair List <lancair.list@olsusa.com>
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I have been using 1900 lbs for my gross weight.    Just make sure
landings aren't too gross.  I now have Koni shocks in place of the
rubber donuts, which  help take some of the "hard" out of landings.
They really work great so far.   My plane's empty weight is 1280 lbs
because of air conditioning, which is also great.  Since I used the
header tank for an evaporator I now have only 42 gallons useable fuel,
but who cares?  coming down out of cool air to refuel is no longer the
discomfort it used to be.  Besides, my wife doesn't have a 4 hour
bladder anyway.

(1900) - (1280) =  620 lbs useful load.

Pilot                    -200
Wife                    -120
Fuel                     -252
                        ----------
   Leaves about        48 lbs. for baggage, tool kit, dogs, etc. if fuel
is full.

** There is absolutely no way for this aircraft to get out of the CG
envelope as long as I am sitting left seat, and the 1900 lbs gross
weight is not exceeded.

By-the-way, My engine is a Lycoming 200 hp IO-360 A1D with 10:1
pistons.  Actual HP is more than 200 at sea level.  Even with this big
engine, taking off at high altitude airports such as ABQ on a 100 degree
day at weights exceeding the 1900 lbs can result in a long takeoff run
and a not so good climb rate until the plane gets to about 140 mph.  L/D
max (Best angle of climb) is well above your takeoff speed.  Best rate
of climb speed is even faster.   It occurs about 140-150 mph.   Sooo, be
careful out there!

Ken

ps: Best not to even think about how fast those little tires are
spinning at liftoff when the density altitude is 10,000 feet or more.

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