Thicker ¼" Glass & Windshield STC Mods and
Whisper Soundproofing Packages
Through our research over the last 25 years, we have
developed effective methods and modifications to reduce the sound transmission level or
"perceived decibel noise level" in M20 Mooneys to the pilot and co-pilot by some 4-6 db.
Doesn't sound like much you say? Let me put it another way.
Typically in
most all GA aircraft and including most Mooneys, or at least the ones prior to the current
production models (fitted with the composite interiors), normal conversation and true
acceptable noise ambiance was strained-at best. In fact, most audio experts
consider hearing protection or ANR
headsets to be an absolute necessity for prolonged use and/or to assist in
communication with ATC. Even with electronic ANR headsets, the
excessive cabin din still has adverse affects on your body to the point of
it causing (what the FAA terms) "Flight Fatigue."
 New Style One Piece
Curved Current Production
(M20J/K/M/R etc.)
1/4" and 3/8th Thick Windshield
Up-Grades For Older "Pre-201" M20s
Our STC'd 1/4" and optional 3/8th thick M20J/K "Concave"
OEM style windshields make a significant if not un-believable difference in the overall ambiance of the
Mooney operating experience. Besides adding some 2-3 MPH in cruise, installing the
compound curved newer style windshield is perhaps the single most important item
you can do to aid in quieting the din of your older Mooney.
1/4" and 3/8th Thick Windshield
Up-Grades For Newer M20J & Up M20s
Even if you own a newer style M20J/201, 231, 252, or even a,
Ovation/TLS etc., our ¼
& 3/8th thicker Windshields and Side Glass Mods will make a definite difference in
cabin sound levels as well as add a certain measure of protection for the always present
"bird strike" possibility.
Mooney Sound
Proofing Sound Deadening Factoid
Make no
mistake about it, the M20 Mooney cabin structure is "different"
than most contemporary designs. Unlike "Brand, B, C, or P", the
M20 fuselage is not monocoque (stressed aluminum skin) constructed like nearly all aluminum skinned GA
aircraft. The M20 fuselage is more akin to the "rag and tube"
construction common to today's acrobatic biplanes as it has the stronger triangulated 4130 steel tube fuselage tubes to carry the
aerodynamic loads. Consequently, the M20's outside
cabin skin is only there to keep the wind and rain off the pilot and passengers- so to
speak! This means the largely "slab sided" cabin skin is far "looser" or less
stiff than most conventionally designed GA aluminum aircraft, and consequently
the cabin skins tend to pulsate/vibrate in
harmony with the blasts from the prop blade passages.
Anything (like thicker or stiffer glass) which can stiffen up the cabin skin
assists in keeping the noise transmission down... Think of it like sitting inside a kettle
drum!
Our research has shown that our specially designed thick side glass goes a long way to stiffen
the entire M20's cabin skin structure, and thus greatly assists in reducing the noise
transmission level far more than installing thicker glass in "normal" GA
aircraft.
|
 ¼" Thick Side Glass
Up-Grade/Mod
This mod is one of the most popular we have ever introduced! It
replaces your old 1/8th thick (so thin as to be actually flimsy)
side glass with the far stiffer 1/4" glass. This mod is vital in our
soundproofing process and strongly recommended to virtually every Mooney owner
in his quest for an acceptable and hearing safe cabin ambiance.
While our Thicker Glass Mods are available for every model M20 in three colors
or tints, Green, Clear, and the current production
popular Smoke Tint. We strongly
recommend you choose Smoke Tint as it is a mild
tint that is better for low light/night ops as most mistake even for clear,
but still the same, it still offers some protection from the sun.
See our Mod and Maintenance
Sections and our 107MM Mod Section for more information and
pricing.
#107MM: NEW ¼ SIDE GLASS:
Installed on M20J/K (or newer)
*If done along with a new
interior or similar, $3,195 if done on a "stand alone" basis. |
$2,795
to
$3,195* |
#102MM: M20J/201/252
1/4" Thick Factory M20J/K OEM Windshield Up-grade/Mod On Older "Pre-201" Type Mooney M20C/E/F's
etc.
Using OEM Factory Cowl Deck, Retainers, & Doublers etc. And Incls.
Tinted ¼ Glass. May be installed w/out Retainers & Doublers for approx. $5,695
*Call for specific details and exact price on your "Pre-201"
prior to booking |
$5,695.00*
To
$6,495.00*
|
#106MMA Install Double Thick
3/8th Windshield Glass (only) On M20J/K & On etc.
*Notes: Standard OEM stock thickness is 3/16th. Price stated is with us
re-using your old retainer bow assy. New bow assy. is extra.. |
$2,695* |
#106MMA Install 1/4" Thick
Windshield Glass On M20J/K etc
Frankly, we think we are better at this mod
than anyone else...!
*Notes: Standard OEM stock thickness is 3/16th. Price stated is with us
re-using your old retainer bow assy. New bow assy. is extra.. |
$1,995* |
M20C,E & F's w/flush
screw attachments (includes new SS screws)
*If done along with a new
interior or similar, $3,195 if done on a "stand alone" basis. |
$2,895
to
$3,195*
|
Popular
Glass Mod Options: |
Options |
1 Piece
"Picture Window Mod" for M20F's (Additional) |
+$1,995 |
|
Oversize Pilots Cabin Vent Window Mod
(see below) |
$695 |
MSE/252/205/TLS Style "Rounded
Window" Mod for all model M20's (Additional, over any
other charges) |
+$995 |
In short, when considering the minimal
weight difference and expense (compared to "stock"
1/8th- thin
& flimsy glass), and considering the advantages, we feel
there is no reason ever to allow stock (flimsy or thin) glass to remain
in your Mooney!
 |
Super Size
(Bonanza style) Oversize M20 Pilots Vent
Window Mod
Mooneys are known for their claustrophobic or "tenie
winie" pilots vent windows. Now you can have a more normal size
vent and one perfect for photography as well as one which will provide more ventilation & comfort
while on the ground as well!
|
Original "Stock"
Window VS Super Size
Note the original "stock" size vent window (being held) in comparison to the
Oversize M20 Vent Window w/new 1/4" Side Glass.
|
Available as an option for all M20's w/our 1/4" Glass Mod
.................$675
(If
done while 1/4" Side Glass is being installed) |
Click Here For More Information On Our ¼"
Side Glass Mods
Click Here For More Information On Our OEM Factory
M20J/201 Windshield Mods For Older Mooneys
Click Here For More Information On Our Whisper
Soundproofing Mods
| Please CLICK HERE
for a partial re-print of a recent research article in Aviation Consumer
Mag. for more details about the
benefits of installing ¼" glass in a Mooney airframe. |
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