Mailing List lml@lancaironline.net Message #46336
From: Colyn Case on earthlink <colyncase@earthlink.net>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] IV-P Empty Weights
Date: Mon, 03 Mar 2008 20:39:53 -0500
To: <lml@lancaironline.net>
Ed,
   Mine is 2327 without paint or interior
things that make it heavy:
   - full feathering metal prop
   - 2 full elect systems
   - 8-pack old school instruments
   - extra old school avionics: gmx200, wx500, ryan tcad
   - ski tube
   - aux fuel tank
things that make it less heavy
   - slow build wings
   - minimum use of resin

My legal gross is 3650 but from talking to other pilots I doubt I will fly it that heavy.
...or I should say I doubt I will want the CG back far enough to get it that heavy.

If I had it to do over again I would:
- wet as much of the wings as possible
- get an advanced pfd (chelton or garmin) and minimum gyro's.  it's lighter and has a lot less wiring
- use lighter components in the elect. system
- use a composite constant speed prop



----- Original Message ----- From: "Janie & Ed Smith" <2luv2fly@cox.net>
To: <lml@lancaironline.net>
Sent: Sunday, March 02, 2008 8:46 PM
Subject: [LML] IV-P Empty Weights


Saturday Evening
3/1/08

Group,

I was wondering what range of empty weights the finished airplanes (IV-P's) are having.  We have done a preliminary weighing of our IV-P with TSIO-550, Hartzell prop and AeroCool air conditioning and are coming in around 2400 lbs.  I asked Charlie Kohler what he was seeing and he mentioned that 2250 lbs was the "norm", but I didn't mention air conditioning when I asked the question.

I also saw a post from Jeff Liegner some time back and noted that his gross weight was 3800 lbs, which is what I had in mind.

So, I would appreciate any input from you guys who have "been there - done that".  Sounds like I built a "heavy" airplane, but not much I can change now - except build another one!  <grin>

Thanks in advance.

Ed Smith
Chesapeake, VA
N9JE

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