tc1917(at)bellsouth.net
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 Posted: Wed Nov 02, 2011 2:15 am Post subject: Kolb-List Digest: 12 Msgs - 11/01/11 |
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If you can reach out and touch the underside of the wing while flying you will find your noise. Extreme vibration. Same with you fuse. Put some kind of foam on the inside of the fuse side walls. This helps. Next time i build or rebuild one i will also put dampening material inside the wing on the bottom Cloth. It acts as a drum. Other than that i use a chopper helmet with ANR. Nice and quiet at least to me. Other than that darned rum rum from the gears I think The carb is also making a lot of your noise. My opinions from building abt a doz planes ted cowan slingshot 912UL zoom zoom
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On Nov 2, 2011, at 1:59 AM, Kolb-List Digest Server <kolb-list(at)matronics.com> wrote:
[quote] *
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Kolb-List Digest Archive
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Total Messages Posted Tue 11/01/11: 12
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Today's Message Index:
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0. 06:49 AM - PLEASE READ - 2011 List Fund Raiser Kickoff - 21 Years Strong!! (Matt Dralle)
1. 04:12 AM - noise (frank goodnight)
2. 05:42 AM - Re: noise (robert bean)
3. 06:18 AM - Re: noise (Andy and Sheila Slinkard)
4. 06:20 AM - Re: noise (frank goodnight)
5. 06:42 AM - Re: noise (George Alexander)
6. 08:08 AM - Re: noise (Rick Neilsen)
7. 04:20 PM - Re: noise (gliderx5(at)comcast.net)
8. 07:35 PM - Re: noise (Richard Pike)
9. 08:04 PM - Every Hangar should have one (Dennis Thate)
10. 08:04 PM - Re: Re: GPS in FireFly (David Kulp)
11. 08:06 PM - Re: Re: noise (Andy and Sheila Slinkard)
________________________________ Message 0 _____________________________________
Time: 06:49:00 AM PST US
From: Matt Dralle <dralle(at)matronics.com>
Subject: PLEASE READ - 2011 List Fund Raiser Kickoff - 21 Years Strong!!
Dear Listers,
This year marks 21 years of the Email Lists and Forums at Matronics! I've been
running these forums for nearly half my life! I've made some great friends over
the years and had countless email and personal conversations with builders
about aircraft building and flying. What a great community of people! The advice,
support, and friendship has be invaluable over the years.
To support the continued operation and upgrade of the List servers, each November
I hold a PBS-like fund raiser. It is solely through the Contributions of List
members that these Matronics Lists are possible. There is NO advertising
to support the Lists. You might have noticed the conspicuous lack of flashing
banners and annoying pop-ups on the Matronics Email List email messages and web
site pages including:
* Matronics List Forums http://forums.matronics.com
* Matronics List Search Engine http://www.matronics.com/search
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* Matronics List List Wiki http://wiki.matronics.com
You don't find advertising on any of these pages because I believe in a List experience
that is completely about the sport we all enjoy - airplanes!
During the month of November, I will be sending out List messages every couple
of days reminding everyone that the Fund Raiser is underway. I ask for your patience
and understanding during the Fund Raiser and throughout these regular
messages. The Fund Raiser is only financial support mechanism I have to pay all
of the bills associated with running these Lists. Your personal Contribution
counts!
Once again, this year we've got another terrific line up of free gifts to go along
with the various Contribution levels. Many of these gifts have been provided
by some of the vary members and vendors that you'll find on Matronics Lists
and they have been either donated or provided at substantially discounted rates.
This year, these generous people include:
* Bob Nuckolls of the AeroElectric Connection http://www.aeroelectric.com
* Andy Gold of the Builder's Bookstore http://www.buildersbooks.com
These are extremely generous guys and I encourage you to visit their respective
web sites. Each one offers a unique and very useful aviation-related product
line. I would like publicly to thank Bob, and Andy for their generous support
of the Lists again this year!!
You can make your List Contribution using any one of three secure methods including
using a credit card, PayPal, or by personal check. All three methods afford
you the opportunity to select one of this year's free gifts with a qualifying
Contribution amount!!
To make your Contribution, please visit the secure site below:
http://www.matronics.com/contribution
I would like to thank everyone in advance for their generous financial AND moral
support over the years!
Matt Dralle
Matronics Email List Administrator
RV-8 Builder (and Rebuilder) and Flyer
RV-6 Rebuilder and Flyer
RV-4 Builder
________________________________ Message 1 _____________________________________
Time: 04:12:20 AM PST US
From: frank goodnight <frank.goodnight(at)att.net>
Subject: noise
Hi Kolbers,
Has anyone out there ever tried to kill some of the noise on a firestar 2 ?
I use a HKS engine with the up exhaust , and the noise is driving me nuts.
got the noise canceling head set DR 6000 sometimes use it and ear plugs
at the same time , still too loud . To talk to the tower I have to pull power
off
and stall the plane. that works ok if I'm the one that does the calling , but
if
someone wants to talk to me the problems start. If anyone has had any success
with sound proofing ---batts blankets , whatever I sure would like to know what
they
did.Appreciate any help.
'
Frank Goodnight
________________________________ Message 2 _____________________________________
Time: 05:42:41 AM PST US
From: robert bean <slyck(at)frontiernet.net>
Subject: Re: noise
Have you tried a foam mic cover?
BB
do not archive
On 1, Nov 2011, at 7:09 AM, frank goodnight wrote:
> Hi Kolbers,
> Has anyone out there ever tried to kill some of the noise on a
firestar 2 ?
> I use a HKS engine with the up exhaust , and the noise is driving me
nuts.
> got the noise canceling head set DR 6000 sometimes use it and ear
plugs
> at the same time , still too loud . To talk to the tower I have to
pull power off
> and stall the plane. that works ok if I'm the one that does the
calling , but if
> someone wants to talk to me the problems start. If anyone has had any
success
> with sound proofing ---batts blankets , whatever I sure would like to
know what they
> did.Appreciate any help.
> '
> Frank Goodnight
>
>
>
>
>
________________________________ Message 3 _____________________________________
Time: 06:18:06 AM PST US
From: "Andy and Sheila Slinkard" <andysheila(at)eltopia.com>
Subject: Re: noise
Frank,
This problem concerned me from the start with construction of my
Firestar II with HKS engine. It was obvious to me we need to get the
noise behind us. I have never seen it done, but I am putting my exhaust
under the engine and out the back. I realize it takes a custom made
exhaust system, but think it will be worth it. This also eliminates the
huge amount of drag the muffler creates on top. It also, in my mind,
necessitated a custom fuel tank which can be firewalled from the muffler
heat and fire potential. Mind you, this is still in the developmental
process. Included are a few pictures showing the oil cooler and oil
reservoir up front where they need to be. You will see a substitute
wing root profile used for reference purposes during fabrication and
spacing. Eventually the whole gap seal area will have a light one piece
removable fiberglass airfoil covering with an air intake opening
channeled to the oil cooler. In the winter the oil cooler and oil tank
can be used as a cabin heat source.
Andy
WN31
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