[C320-list] Engine compartment sound proofing

[Windstream]

You know I thought about doing that but I didn't know anyone with a decibel meter.
Thanks for the heads up on the app.
Bill Hutt


Sent from my iPhone

> On Jun 23, 2014, at 12:25 PM, John Meyers <jcmeyers7 at gmail.com> wrote:
> 
> If someone is going to do this it might be interesting to download a
> decibel reading onto your smart phone (I have Sound Meter Pro by Smart
> Tools Co. - FREE) and take readings before and after the insulation is
> installed. I suppose I could do that with and without my insulated covers,
> but the covers themselves to cut out some of the sound.
> 
> John Meyers
> Muskegon
> #406
> 
> 
> 
> 
> 
> On Mon, Jun 23, 2014 at 12:29 AM, Gary Magnuson <gary.magnuson at frontier.com>
> wrote:
> 
>> I used the product from Sailors Solution and have been very happy with the
>> results.. I bought Time A Weigh in the fall of 06, and brought the engine
>> covers home and added the insulation over the winter.  I have never heard
>> the engine without it, so I cannot attest to the amount of noise
>> reduction...   Hope that helps..
>> 
>> Gary Magnuson
>> Time A Weigh  #205
>> 
>>> On 6/22/2014 10:22 AM, Kaare Wold wrote:
>>> 
>>> I am interested in proceeding with this project to quiet down the
>>> rattlecan Yanmar.  I do have some concerns with using a plain Home Depot
>>> ceiling tile that is not  designed to function in an enclosed engine
>>> environment.  Would appreciate some feedback on the following question.
>>> Have you owners insulated just the front engine cover or did you insulate
>>> both the front and rear?  Thanks for your comments.
>>> Kaare Wold
>>> Sheet Music #945
>>> ----- Original Message ----- From: "Jeffrey Brown" <oceanblues at mac.com>
>>> To: <C320-List at Catalina320.com>
>>> Sent: Thursday, June 19, 2014 6:54 PM
>>> Subject: Re: [C320-list] Engine compartment sound proofing
>>> 
>>> 
>>> Someone on this forum suggest ceiling tiles, which I did and it worked
>>>> great and cheap.
>>>> 
>>>> Jeff Brown
>>>> 949-350-5123
>>>> 
>>>>> On Jun 19, 2014, at 4:14 PM, Jeff Hare <Catalina at thehares.com> wrote:
>>>>> 
>>>>> Hi Bill,
>>>>> 
>>>>> Around 2003 I installed sound proofing in our engine compartment and it
>>>>> made
>>>>> a big difference.  Mostly it cuts down the harshness and does drop the
>>>>> volume significantly.  But it won't be "quiet".
>>>>> 
>>>>> I used the 1" West Marine which is a moderately dense foam with a
>>>>> lead-like
>>>>> layer in the middle to help hit multiple frequencies.
>>>>> 
>>>>> I was able to do it in an hour or so.  Even today the adhesive is
>>>>> showing no
>>>>> signs of letting go.  You peel the backing off and give it a certain
>>>>> amount
>>>>> of time before you stick it on, but recall it was quite easy to dry fit
>>>>> and
>>>>> cut with a razor knife.  I purchased the "kit" which came with some
>>>>> silver
>>>>> seam tape and some metal plates with pin supports that they say to use
>>>>> for
>>>>> overhead spans, but they're  not strictly necessary on our engine covers
>>>>> because there is so little area to support.  I think I used one on the
>>>>> front
>>>>> cover and none on the aft cover.  Both are fine today.
>>>>> 
>>>>> Incidentally, if you use 1" on the Front (galley side) engine cover, the
>>>>> lower pulley may just touch the insulation.  The trick here is to go
>>>>> ahead
>>>>> and install the cover and run the engine.  It's just the very bottom of
>>>>> that
>>>>> pulley that might rub just a tiny bit.  When you stop the engine you'll
>>>>> see
>>>>> if and where it rubs and can either leave it or carve out a tiny bit.
>>>>> It
>>>>> really won't hurt anything.  You won't be able to use anything thicker
>>>>> than
>>>>> 1" on the front.
>>>>> 
>>>>> Also, if you purchase a roll of the 1/2" version, you can use it to
>>>>> stick on
>>>>> the fridge side to keep the engine from melting your Ice Cream.  :)
>>>>> 
>>>>> If I were to do it again, I'd still go this route.  I considered the
>>>>> Tiles,
>>>>> but it was a lot more piecing together and more seams.  With the rolls
>>>>> of
>>>>> stuff, you can cut and install the overhead piece first, then butt the
>>>>> sides
>>>>> up tight to it and it helps hold the edges in place.  I cut mine so that
>>>>> each cover just used one single piece (including the top), so that's an
>>>>> option too.   The first thing you'll notice is how much heavier the
>>>>> covers
>>>>> got.  The second thing is that the harshness is down considerably.
>>>>> 
>>>>> Avoid the sound deadening paint scam.  It's a joke and doesn't work.
>>>>> 
>>>>> Two pictures of the Job using the West Marine kit.
>>>>> 
>>>>> http://tinyurl.com/EngineInsulation1
>>>>> http://tinyurl.com/EngineInsulation2
>>>>> 
>>>>> Good luck!
>>>>> 
>>>>> -Jeff Hare
>>>>> 
>>>>> 
>>>>> -----Original Message-----
>>>>> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On
>>>>> Behalf
>>>>> Of Bill Hutt
>>>>> Sent: Thursday, June 19, 2014 5:53 PM
>>>>> To: C320-List at Catalina320.com
>>>>> Subject: [C320-list] Engine compartment sound proofing
>>>>> 
>>>>> Ok, new thread.
>>>>> I'm looking at a product from Sailorssolutions.com called SPM. It's 1"
>>>>> thick
>>>>> self adhesive tiles. Has anyone tried this with good results?
>>>>> 
>>>>> Bill Hutt
>>>>> 
>>>>> 
>>>>> Sent from my iPad=
>>