Today's Message Index:
----------------------
1. 06:11 AM - Re: Noise Insulating Foam (Thom Riddle)
2. 07:22 AM - Re: Mk3 Baggage Area Question (b young)
3. 08:36 AM - Re: Re: Noise Insulating Foam (John Hauck)
4. 08:56 AM - Re: Noise Insulating Foam (Thom Riddle)
5. 09:19 AM - Re: Re: Noise Insulating Foam (Jack B. Hart)
6. 09:48 AM - Re: Re: Noise Insulating Foam (John Hauck)
7. 09:48 AM - Re: Noise Insulating Foam (Thom Riddle)
8. 10:02 AM - Re: Noise Insulating Foam (Thom Riddle)
9. 12:35 PM - Re: Re: Noise Insulating Foam (Mike Welch)
10. 12:55 PM - Re: Mk3 Baggage Area Question (Kirby, Dennis Civ USAF AFMC AFNWC/EN)
11. 01:47 PM - Modified wing tip shape (Richard Pike)
12. 03:50 PM - Re: Re: Noise Insulating Foam (zeprep251@aol.com)
13. 03:50 PM - Re: Modified wing tip shape (Dana Hague)
14. 03:52 PM - Re: Re: Noise Insulating Foam (John Hauck)
15. 03:54 PM - Re: Modified wing tip shape (william sullivan)
16. 04:55 PM - Re: Re: Noise Insulating Foam (Tom Longo)
17. 07:20 PM - Re: Modified wing tip shape (Richard Pike)
Message 1
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Subject: | Re: Noise Insulating Foam |
Here is another source of soundproofing products.
http://www.soundprooffoam.com/soundproofing.html?page_type=Soundproofing
I've not tried any of these.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
An ounce of action is worth a ton of theory.
- Friedrich Engels
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288125#288125
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Subject: | Mk3 Baggage Area Question |
I modified my Mk3 fuselage cage to add an 12"x12" access door on the
horizontal deck behind the seats (very similar to what Steve Green did with
his). Before I cover the cage, I was wondering if I should install a shelf
in this area for storing baggage/camping equip/etc. For those of you who
store stuff in this area, what do you do? I know wt&bal can be an issue, so
I don't plan on putting anything too heavy back there.
Mark Rinehart
Indy MarkIII
>>>>>>>>>>>>>>>>>>>>>>.
No shelf, that is extra weight, and I put sleeping bags and the like in
the back. On a solo cross country I put one bag on the floor in the
passenger side. And the rest on top of my fuel tank. The bag on the floor
counterbalances anything put in the back, and my fuel tank is at cg when
solo, so bags in that area make no change. When x country with 2,
everything in the back, under seats, where ever I can stuff it. With 2 on
board, I am further forward on the cg than I would like.
Boyd Young
MkIII
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Subject: | Re: Noise Insulating Foam |
Here is another source of soundproofing products.
http://www.soundprooffoam.com/soundproofing.html?page_type=Soundproofing
I've not tried any of these.
--------
Thom Riddle
Thanks, Thom R:
I like this one, RoadBlockR:
http://www.soundprooffoam.com/automotive-sound-dampening.html
It was originally designed for aircraft and heavy trucks. My mkIII will
easily compete with these two for producing loud noise.
Price seems within reach. All I need to do is determine how much I need and
order it. Would be nice to knock out some of the racket I am being
bombarded with.
john hauck
mkIII
Titus, Alabama
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Subject: | Re: Noise Insulating Foam |
I think I'll be ordering some of this RoadBlocker too. I didn't see that particular
style until you pointed it out, John. I'll probably put some overhead permanently
and a removable piece between the back seat and aft fuselage area. Might
even add some to the fabric in the aft fuselage area. At 1/2 lb per sqft,
the wt penalty is minimal.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
An ounce of action is worth a ton of theory.
- Friedrich Engels
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288163#288163
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Subject: | Re: Noise Insulating Foam |
At 10:35 AM 2/25/10 -0600, you wrote:
>
>I like this one, RoadBlockR:
>
>http://www.soundprooffoam.com/automotive-sound-dampening.html
>
John,
Still seems expensive and heavy. Standard house extruded foam insulation
weighs only about 0.1 pound per square foot per inch thickness. Might be
worth a try.
Jack B. Hart FF004
Winchester, IN
Message 6
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Subject: | Re: Noise Insulating Foam |
Still seems expensive and heavy. Standard house extruded foam insulation
weighs only about 0.1 pound per square foot per inch thickness. Might be
worth a try.
Jack B. Hart FF004
Jack H/Gang:
I went down to the big city of Wetumpka, AL, last night to check out what
they had at Lowes. Problem with this stuff is the fire hazard and the
noxious fumes created by fire, which would be deadly in some crashes. Based
on my flying style and geographic hazards where I fly, I don't mind spending
more for a product, even though there is a weight penalty involved, if it
won't kill me if I crash and burn. Primarily, I want to kill some of the
noise, and do it safely.
There is another problem with spilled fuel when refueling. My fuel filler
is on the top left rear half of the center section. I haven't checked but
spilled fuel would probably melt the foam insulation.
Thanks for your input.
john hauck
mkIII
Titus, Alabama
Message 7
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Subject: | Re: Noise Insulating Foam |
I'm not a sound engineer but seem to recall reading that unlike thermal insulation,
the density of the acoustic barrier material is an important factor in reducing
dbl levels. If this is the case, then the lightest material may not do
the job. I've been researching this since this subject came up but have not found
any definitive information on it.
Since Will Uribe works in this area, maybe if he is monitoring this thread he might
be able to add something useful for our mutual benefit.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
An ounce of action is worth a ton of theory.
- Friedrich Engels
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288180#288180
Message 8
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Subject: | Re: Noise Insulating Foam |
I found the following site to be helpful in explaining this subject, including
the sound barrier ratings. This site also sells the RoadBlockeR and other acoustic
materials.
http://www.soundproofcow.com/how-we-test-sound-blocking-products.html
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
An ounce of action is worth a ton of theory.
- Friedrich Engels
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288183#288183
Message 9
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Subject: | Re: Noise Insulating Foam |
John H.=2C
Do you have an electronic noise-cancelling headset? I bought one of thos
e Headsets=2C Inc. kits that you install yourself. I bought it from them a
t the 2008 Oshkosh Airshow. I finally got around to soldering it in to my
David Clark 13.4 .
Results=3B for me=2C mixed. My hearing is bad. Damn near gone=2C I thi
nk. Severe tinnitus=2C too.
When I turn on the noise-cancelling function on my headphones=2C I'd say
the background noise reduction is better=2C but definitely not gone. I was
just wondering how much improvement I could expect from this method=2C if
you have experience with one.
Thanks=2C Mike Welch
> From: jhauck@elmore.rr.com
> To: kolb-list@matronics.com
> Subject: Re: Kolb-List: Re: Noise Insulating Foam
> Date: Thu=2C 25 Feb 2010 10:35:04 -0600
>
>
>
> Here is another source of soundproofing products.
>
> http://www.soundprooffoam.com/soundproofing.html?page_type=Soundproofin
g
>
> I've not tried any of these.
>
> --------
> Thom Riddle
>
>
>
>
> Thanks=2C Thom R:
>
> I like this one=2C RoadBlockR:
>
> http://www.soundprooffoam.com/automotive-sound-dampening.html
>
> It was originally designed for aircraft and heavy trucks. My mkIII will
> easily compete with these two for producing loud noise.
>
> Price seems within reach. All I need to do is determine how much I need a
nd
> order it. Would be nice to knock out some of the racket I am being
> bombarded with.
>
> john hauck
> mkIII
> Titus=2C Alabama
>
>
>
===========
===========
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===========
>
>
>
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Message 10
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Subject: | Re: Mk3 Baggage Area Question |
Mark Rinehart asked: << I modified my Mk3 fuselage cage to add an 12"x12"
access door on the horizontal deck behind the seats (very similar to what
Steve Green did with his)... I was wondering if I should install a shelf in
this area for storing baggage/camping equip/etc ... what do you do? >>
Hi, Mark -
I did the same thing for my Mark-III. You apparently came to the same
conclusion at I, noting that the space behind the fuel tanks is a useful
storage volume - why cover it over?
With lightness in mind, I did not use a "shelf" per se, but rather, a sling
made from fishing net. Because of the center fore-aft tube in that
location, my fishing net cargo sling is actually two compartments - a left
and a right side, with the net attached along all 4 sides. The single piece
of net rides over the center tube, and each sling compartment is about 14
inches deep.
For the top, I fabricated a vinyl cover that velcros down at the edges. It
is firmly attached down the center, so it cannot come loose and go into the
prop. See picture - hope this helps .
Dennis Kirby
Mark-3, 912ul
Sandia Park, NM
Message 11
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Subject: | Modified wing tip shape |
Hey Jack B. Hart, last year on Aug 26, you posted a link to an interesting study
on wing tip shapes.
http://naca.central.cranfield.ac.uk/reports/1923/naca-report-140.pdf
It made sense, would be as easy to make as the regular tip, and if it didn't work,
probably would'nt hurt. The other link you posted was along the same line,
even more interesting, but has since been taken down.
Ed liked the idea, the rebuild process is still coming along, and here is the first
tip. Not as radical as what the link said was ideal, but didn't require any
major mods either.
Just so you'll know somebody out here is paying attention...
Richard Pike
MKIII N420P (420ldPoops)
PS: No, the trailing edge is not curved, that is the wide angle lens effect.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288208#288208
Attachments:
http://forums.matronics.com//files/fsiiwing_large_688.jpg
Message 12
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Subject: | Re: Noise Insulating Foam |
Mike,
I also added the headsets inc kits to my H-10-30 DC 's.I have a lot of foa
m added to the aircraft but the kits REALLY improved my DC's
G.AmanMK-3C jabiru 2200A generating 2800 decibels @ cruise.Well maybe no
t that much, but a lot anyway
-----Original Message-----
From: Mike Welch <mdnanwelch7@hotmail.com>
Sent: Thu, Feb 25, 2010 3:32 pm
Subject: RE: Kolb-List: Re: Noise Insulating Foam
John H.,
Do you have an electronic noise-cancelling headset? I bought one of tho
se Headsets, Inc. kits that you install yourself. I bought it from them
at the 2008 Oshkosh Airshow. I finally got around to soldering it in to
my David Clark 13.4 .
Results; for me, mixed. My hearing is bad. Damn near gone, I think.
Severe tinnitus, too.
When I turn on the noise-cancelling function on my headphones, I'd say
the background noise reduction is better, but definitely not gone. I was
just wondering how much improvement I could expect from this method, if
you have experience with one.
Thanks, Mike Welch
> From: jhauck@elmore.rr.com
> To: kolb-list@matronics.com
> Subject: Re: Kolb-List: Re: Noise Insulating Foam
> Date: Thu, 25 Feb 2010 10:35:04 -0600
>
>
>
> Here is another source of soundproofing products.
>
> http://www.soundprooffoam.com/soundproofing.html?page_type=Soundproofi
ng
>
> I've not tried any of these.
>
> --------
> Thom Riddle
>
>
>
>
> Thanks, Thom R:
>
> I like this one, RoadBlockR:
>
> http://www.soundprooffoam.com/automotive-sound-dampening.html
>
> It was originally designed for aircraft and heavy trucks. My mkIII will
> easily compete with these two for producing loud noise.
>
> Price seems within reach. All I need to do is determine how much I need
and
> order it. Would be nice to knock out some of the racket I am being
> bombarded with.
>
> john hauck
> mkIII
> Titus, Alabama
>
>
>====================
> _=========
>
>
>
Your E-mail and More On-the-Go. Get Windows Live Hotmail Fr_new'>Sign up
now.
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Message 13
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Subject: | Re: Modified wing tip shape |
At 04:47 PM 2/25/2010, Richard Pike wrote:
>Hey Jack B. Hart, last year on Aug 26, you posted a link to an interesting
>study on wing tip shapes.
>http://naca.central.cranfield.ac.uk/reports/1923/naca-report-140.pdf
>It made sense, would be as easy to make as the regular tip, and if it
>didn't work, probably would'nt hurt. The other link you posted was along
>the same line, even more interesting, but has since been taken down.
>
>Ed liked the idea, the rebuild process is still coming along, and here is
>the first tip. Not as radical as what the link said was ideal, but didn't
>require any major mods either.
>
>Just so you'll know somebody out here is paying attention...
I'm doing the same thing, with a 20=B0 rake, for my biplane project:
<http://www.homebuiltairplanes.com/forums/attachments/light-stuff-area/6002d
1267057084-tip-ribs-wingtip.jpg>
-Dana
do not archive
--
Arrest rate for Washington DC police officers: 19 per 1000
Arrest rate for New York City police officers: 3 per 1000
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Message 14
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Subject: | Re: Noise Insulating Foam |
I fly with a DRE6000 ANR headset. It worked great before the center
section rebuild, actually allowed me to be able to hear well enough to
fly with my radio. Since rebuilding the center section with sheet
metal, I am getting more noise than the radio, ANR, and I can handle
well.
john hauck
mkIII
Titus, Alabama
----- Do you have an electronic noise-cancelling headset?
Thanks, Mike Welch
Message 15
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Subject: | Re: Modified wing tip shape |
Richard- Did you lengthen the trailing edge, shorten the leading edge, or b
oth?- What about the flaps and ailerons?
-
-------------------------
------------------ Bill Sullivan
-------------------------
------------------ Windsor Locks, Ct.
-------------------------
-------------------FS 447
-------------------------
------------------ 39 degrees and raini
ng
-
-------------------------
-------------------------
Message 16
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Subject: | Re: Noise Insulating Foam |
Hi Mike, I have installed one of these in my David Clark 10-20 headset and
it works great. I compared it with my Bose X and have sold the Bose and use
the David Clark now. It only works good on the low frequency range like you
get from a direct drive motor that runs in the 2k to 3k plus range. Did not
work that good in my MK III with 582 but works great in a Cessna or Piper.
Hope this helps. Tom
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com]On Behalf Of Mike Welch
Sent: Thursday, February 25, 2010 3:33 PM
Subject: RE: Kolb-List: Re: Noise Insulating Foam
John H.,
Do you have an electronic noise-cancelling headset? I bought one of those
Headsets, Inc. kits that you install yourself. I bought it from them at the
2008 Oshkosh Airshow. I finally got around to soldering it in to my David
Clark 13.4 .
Results; for me, mixed. My hearing is bad. Damn near gone, I think.
Severe tinnitus, too.
When I turn on the noise-cancelling function on my headphones, I'd say the
background noise reduction is better, but definitely not gone. I was just
wondering how much improvement I could expect from this method, if you have
experience with one.
Thanks, Mike Welch
> From: jhauck@elmore.rr.com
> To: kolb-list@matronics.com
> Subject: Re: Kolb-List: Re: Noise Insulating Foam
> Date: Thu, 25 Feb 2010 10:35:04 -0600
>
>
>
> Here is another source of soundproofing products.
>
> http://www.soundprooffoam.com/soundproofing.html?page_type=Soundproofing
>
> I've not tried any of these.
>
> --------
> Thom Riddle
>
>
> Thanks, Thom R:
>
> I like this one, RoadBlockR:
>
> http://www.soundprooffoam.com/automotive-sound-dampening.html
>
> It was originally designed for aircraft and heavy trucks. My mkIII will
> easily compete with these two for producing loud noise.
>
> Price seems within reach. All I need to do is determine how much I need
and
> order it. Would be nice to knock out some of the racket I am being
> bombarded with.
>
> john hauck
> mkIII
> Titus, Alabama
>
>
>====================
> _=========
>
>
_____
Your E-mail and More On-the-Go. Get Windows Live Hotmail Fr_new'>Sign up
now.
Message 17
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Subject: | Re: Modified wing tip shape |
[quote="williamtsullivan(at)att.n"]Richard- Did you lengthen the trailing edge,
shorten the leading edge, or both? What about the flaps and ailerons?
Bill Sullivan
Windsor Locks, Ct.
FS 447
39 degrees and raining
> [b]
Cut 1.75" off the leading edge where it stuck out past the last rib, the trailing
edge is stock, not going to modify the ailerons. FSII=no flaps.
This was a donor wing that only needs a little work, bought a basket case in Florida
for parts. Tomorrow will be pulling out the steel root rib, it has some
rust on it, need to make sure it is not rusty where it slips inside the trailing
edge.
Ed's original left wing ought to be in pretty good shape, the crash got the tip
and a little bit of the trailing edge, will probably pull the cover off next
week and get started on it.
Richard Pike
MKIII N420P (420ldPoops)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=288247#288247
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