REFLECTOR: empty w&b elite FG 173/lw

[Al Gietzen]

The mystery 100# was not additional epoxy; because I had weighed the
completed wings, canard and nearly completed empty airframe. The airframe
was weighed one wheel at a time on a bathroom scale; wings and canard on a
0-200# hang-up scale.  I expect weighing errors could account for much of
the difference.

 

Al

 

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Laurence Coen
Sent: Sunday, December 18, 2011 4:28 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: empty w&b elite FG 173/lw

 

Scott,

 

My SE/RG slow build kit came with EZ Poxy resin and hardener to make 15 gal.
total which weighs 136.8 #.  I still have about a Quart of resin left over.
I'd need another 10 gal. to add 100#.  Doesn't sound right to me.

 

Larry Coen

N136LC

 

From: Scott Derrick <mailto:scott at tnstaafl.net>  

Sent: Sunday, December 18, 2011 2:28 PM

To: Velocity <mailto:reflector at tvbf.org>  Aircraft Owners and Builders list 

Subject: Re: REFLECTOR: empty w&b elite FG 173/lw

 

Al,

that sounds about right for a plush well equipped V. 

I was talking to a buddy this morning who has literally built 10 airplanes,
a few fiberglass(VeriEZ, LongEZ, GlassStar) and he said he never made it
within 75 lbs of the factory listed weight. Even when really really trying.
For fiberglass planes  he thought that most people just build to wet, its
almost impossible to get a truly perfect glass/epoxy balance without using
vacuum and weighing the glass and epoxy prior to layups.  And with a plane
the size of the V, its really easy to add 75-125 lbs of epoxy to the plane.
And not difficult to add even more. He hails form Kurt's airport and Kurt
will vouch that this guy is the consumate builder.  He's finishing an RV12
right now.

Scott


-------- Original Message --------
Subject: Re: REFLECTOR: empty w&b elite FG 173/lw
From: Al Gietzen  <mailto:alventures at cox.net> <alventures at cox.net>
To: 'Velocity Aircraft Owners and Builders list'
<mailto:reflector at tvbf.org> <reflector at tvbf.org>
Date: 12/18/2011 11:32 AM



Scott;

 

I weighed the engine and its ancillaries (radiators and coolant, etc), and
on a comparable basis (without alternator, starter, etc) to the published
weight of an IO360 - results: 382 lbs vs 348 lbs.  My all-up engine
installation (based on weighing all the pieces and parts that went into it)
was about 430# (not including prop and prop extension.)

 

My aircraft empty weight (SE RG), ready for first flight, with plush
upholstery, sound deadening; paint etc., was 1495#.  That was about 100 lbs
heavier than the weight I had expected, having weighed all the pieces and
parts that went into it:-). Things like wiring, lines, hoses, some brackets,
etc. were estimates; but I never really knew what made up that 100 lb
difference.

 

Al

 

 

 

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Scott Derrick
Sent: Sunday, December 18, 2011 8:44 AM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: empty w&b elite FG 173/lw

 

So Al, what does your plane weigh and how did you figure your engine weight?

Scott



 
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