REFLECTOR: Interior foam

[Jim Agnew]

The answer is Yes, I have.  I used Chestnut Ridge Foam (FAA Approved and fire
retardant) 1/4" thickness and 45/55# density.  I glued it to the inside of the
fuselage with spray on contact cement used for headliners etc.  I then covered
it with leather.  It makes for a slightly compressible surface and I know that
my plane is quieter than most Velocities I've been in.  It is over most of the
interior from the canard back to and including the the dummy engine bulkhead. 
I'm sure that the leather / foam combination makes a decent sound barrier.  The
headliner is a standard felt like headliner over the foam. 

The foam is fairly dense but pliable and combined with the leather adds some
temperature insulating properties.  The Foam/leather sandwich goes from the
bottom of the wire ducts to the top of the windows where the headliner starts.


Jim

--- Jim Sower <canarder at frontiernet.net> wrote:
> Don't know how much 1/4" or 1/2" of foam insulation is going to improve 
> on the insulating qualities of the foam the airplane's made of.  Same 
> goes for sound proofing. Probably not significantly.
> Has anyone quantified this? ... Jim S.
> 
> Jim & Sharon Beck wrote:
> 
> >
> > Brett,
> >
> > What are type of insulation are you installing and what are you 
> > estimating for weight ,  Most of my flying will be st higher 
> > altitudes, from Nevada with mountains to clear & turbulence to avoid.
> >
> > Jim
> > ----- Original Message -----
> > From: "Brett Ferrell" <bferrell at 123mail.net>
> > To: <reflector at tvbf.org>
> > Sent: Monday, March 28, 2005 7:47 AM
> > Subject: Re: REFLECTOR: Interior foam
> >
> >
> >> Don,
> >>
> >> I don't disagree with most of what you said, but I do think that the 
> >> insulation
> >> that I intend to install will not only dampen some of the noise and 
> >> vibration
> >> in the airframe, it will help maintain the interior temperature at 
> >> altitude.
> >> Depending on what kind of flying you intend to do, that can be a big 
> >> win.
> >>
> >> Brett
> >>
> >> Quoting Don19dw at aol.com:
> >>
> >>> My opinion:
> >>> 1) Soundproofing materials added to a Velocity are an  unnecessary 
> >>> expense
> >>> and add unwanted weight. A better solution is good headsets and 
> >>> intercom
> >>> system
> >>> for ALL occupants. Even with soundproofing, all occupants should wear
> >>> headsets.
> >>> 2) Use temperfoam, at least in bottom, of all seats, 3 layer different
> >>> densities best. This provides maximum comfort and excellent energy 
> >>> absorbing
> >>> ability
> >>> in event of a crash.
> >>> (I speak from experience on this subject)
> >>> 3) My doors closed system is 2 warning redlights, ( in case one bulb 
> >>> burns
> >>> out) for EACH  door, top center of panel in front of pilot, ON 
> >>> WHENEVER door
> >>> is
> >>> NOT LOCKED. My takeoff check list, 4th last item is DOORS CLOSED AND 
> >>> LOCKED.
> >>> Then 2nd last item is CHECK DOOR WARNING LIGHTS OUT.
> >>> Don White   N19DW   XL/RG
> >>>
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James F. Agnew
Jim_Agnew_2 at Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed & Flying