Offshoreonly.com - Safe Guards to avoid reversion/ingestion

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- General Q & A (https://www.offshoreonly.com/forums/general-q-20/)

- - Safe Guards to avoid reversion/ingestion (https://www.offshoreonly.com/forums/general-q/271234-safe-guards-avoid-reversion-ingestion.html)

spectras only

02-23-2012 12:23 PM

These are the mufflers we have now.Tested with dB meter at the dock,barely passed the 85 dB .

http://www.youtube.com/watch?feature...&v=QtMEmWhSRJo

Inside without the engine box. Loud!

http://www.youtube.com/watch?v=6L-st0izosU

cigboat1

02-23-2012 01:52 PM

Rubber external flappers are the safe way to go on your set-up !Have them on my Teague Select Exhaust System and they work very well....

Jim

bustedbrick

02-25-2012 07:01 AM

Now THAT is the way to commute...a practical all-weather offshore boat. Very cool.

POWERPLAY J

02-25-2012 07:17 AM

Quote:

Originally Posted by spectras only (Post 3624708)

Friend built his 34' boat a few years ago with a single engine in mind.We've opted for the ZZ572 engine with Stellings dry exhaust.It worked great until the inner jacket at one of the exh flange cracked and doused the exh valve and dropping it.We had to scrap the dry exhaust idea and had Eddie Marine fab a s/s wet one to our spec, mounted on the EMI aluminum unit.We had to get the risers taller than the stock units readily available to stop reversion. 500 hrs on the engine and boat ,running top as a commuter on weekends.

Original setup http://www3.telus.net/spectrasonly/c...20interior%201
http://www3.telus.net/spectrasonly/c...20interior.jpg
http://www3.telus.net/spectrasonly/IMG_1858.jpg
http://www3.telus.net/spectrasonly/IMG_1052.JPG

Present setup http://www3.telus.net/spectrasonly/C...rine%20exhaust

Very cool! Do you have pics from start to finish?

Sorry Baywatch :hijack::lolhit:

Panther

02-25-2012 07:39 AM

Flappers will help with water ingestion when the boat is sitting at the dock/mooring and waves come over the pipes but they will not help with reversion while the engine is running.

If you have gills, I really think you're fine Josh. Your cam is smaller than the 731 the HP 500's had and they were built originally with Gils and silent choice.
http://www.cranecams.com/product/car...detail&p=24282

pqjack

02-25-2012 08:21 AM

awesome boat...nice mix of nostalgia and hi-tech...

spectras only

02-25-2012 12:05 PM

Quote:

Originally Posted by POWERPLAY J (Post 3626696)

Very cool! Do you have pics from start to finish?

My friend used to work at Soverign Yachts now Richmondyachts in Richmond B.C [ http://www.richmondyachts.com/gallery.html ] where he started the boat from scratch.He was a foreman there and did the interiors. He also worked on Dennis Washington's Attessa when that was stretched in Vancouver
.He used a windshield from a SeaRay for his boat, rest of the boat is a one of.
You can see more info I put on at >
http://www.riverdavesplace.com/forum...ead.php?t=4456

POWERPLAY J

02-25-2012 01:07 PM

Thanks for the info. He did a great job. I dig it!

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