[C320-list] Engine Sound Proofing Insulation

[Kirk McCullough]

I also used the West Marine sheets, it works well and  no increase in engine temperature.

Kirk

#124

-----Original Message-----
From: c320-list-bounces at lists.catalina320.com [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of dickwalker at att.net
Sent: 07 November 2008 08:08
To: C320-List at Catalina320.com; C320-List at Catalina320.com
Cc: Jamie Pett
Subject: Re: [C320-list] Engine Sound Proofing Insulation


Not that I can tell.

I found the big sheets easer to install than the tiles; each to their own.
--
Richard A. Walker, Ph.D. 
740 Olive Ave. 
Coronado, CA 92118-2136 
(619) 435-8986 




-------------- Original message from "Jamie Pett" <JPett at JP2ARCHITECTS.COM>: -------------- 


> I have been following this thread as I am interested in cutting engine 
> noise also. Does the soundproofing installation contribute to engine 
> compartment heat ? Does the engine run noticibly hotter ? 
> 
> Jamie Pett 
> 'Bella Luna' #614 
> 
> 
> 
> 
> -----Original Message----- 
> From: c320-list-bounces at lists.catalina320.com 
> [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of warren 
> updike 
> Sent: Thursday, November 06, 2008 11:02 PM 
> To: C320-List at Catalina320.com 
> Subject: Re: [C320-list] Engine Sound Proofing Insulation 
> 
> Brian, I ordered the medium kit, SPM18, with 18 tiles. This was 
> sufficient 
> for both covers all surfaces. The adhesive is quite strong as I've had 
> no 
> problem with it these past three years. No mechanical fasteners were 
> necessary. 
> 
> 
> 
> I cleaned all surfaces with Interlux 202 which is a fiberglass cleaner 
> not 
> so volatile as MEK or Acetone. It will soften the surface of the inside 
> of 
> the covers so work quickly and don't go back over so much. 
> 
> 
> 
> I did not bend the tiles around the inside curves of the covers. I 
> butted 
> the edges so that there was a slight overlap of the aluminized cover and 
> the 
> foam backing was in contact. I arranged the tiles from these butt edges 
> and 
> cut where necessary joining the edges in the same way as on the curves. 
> 
> 
> 
> Cuts were made with a utility knife and a straight edge. Using the 
> straight 
> edge, I would compress the tile and score with the knife then two or 
> three 
> more passes through the foam backing. The cuts were clean an accurate. I 
> tried using scissors but didn't find they answered the need. 
> 
> 
> 
> I covered too some of the gel-coated surfaces on the port side. I had 
> about 
> 5 tiles left over. Sailor Solutions will give a credit for unused tiles 
> less 
> a restock charge and, of course, plus the shipping. I ended up selling 
> to 
> another boater. I don't know why I didn't use the extra tiles to cover 
> the 
> under side of the particle board covers under the mattresses. I don't 
> remember if I even considered it. You should. 
> 
> 
> 
> On my #62 with the Perkins engine there was no problem with spacing as I 
> had 
> no place where anything touched the tiles. You may find this an issue if 
> you 
> have the Yanmar engine as I understand others have had to cut out some 
> insulation around the engine pulley or water pump pulley. 
> 
> 
> 
> The sound reduction is significant though not so much as in your car. 
> Much 
> of the "sound" is vibrations passing through the hull by way of engine 
> mounts and leaks around joints. By consulting a sound proofing 
> consultant, I 
> learned that anywhere air can pass in/out of the space is a place where 
> sound will escape too. To that end, I sealed all edges of the covers 
> with a 
> foam tape. I think that helped some too. Also, try to keep the aft cabin 
> door closed when motoring. That may help some too. 
> 
> 
> 
> Good luck with your project. I ask that you come back to this list with 
> a 
> report on your project so others can benefit by your experience. 
> 
> 
> 
> Warren & Pattie Updike 
> 
> Catalina 320, #62, "Warr De Mar" 
> 
> Middle River, Chesapeake Bay 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> -----Original Message----- 
> From: Amirault Family - S&B [mailto:amiraults at sympatico.ca] 
> Sent: Wednesday, November 05, 2008 5:59 PM 
> To: c320-list at lists.catalina320.com 
> Subject: Re: [C320-list] Engine Sound Proofing Insulation 
> 
> 
> 
> Mr Updike: 
> 
> 
> 
> I contacted Sailor Solutions today at the link you supplied, and they 
> 
> confirmed that they ship to Canada. I intend to order now for a spring 
> 
> pre-launch install. Could you confirm for me how many tiles you used, 
> 
> whether the number is for both front and rear engine covers, and 
> includes 
> 
> the inside tops of each, and whether the adhesive is strong enough to 
> stick 
> 
> to the cover tops or if it is necessary to screw these in place? 
> 
> 
> 
> Having done the install, did you find the effort worthwhile and that the 
> 
> noise reduction was satisfactory? What did you use to clean the cover 
> 
> interiors and prepare them for the tiles? Were the tiles sufficiently 
> 
> flexible to adhere around the curved corners of the covers? Once 
> installed, 
> 
> do the covers still clear the engine external moving parts? 
> 
> 
> 
> For this relief, much thanks. 
> 
> 
> 
> Regards; 
> 
> 
> 
> Brian Amirault 
> 
> 
> 
> 797 Waltzing Bear, too 
> 
> 
>