Reply
 
Thread Tools Search this Thread
 
Old 01 December 2011, 04:54   #1
Member
 
Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,610
Quiet flushing

We've all been there. Running on muffs & waking up everyone within a 10 mile radius of the engine or p!ssing off the people enjoying a nice quiet pint in the pub on the front. I have solved the problem!

Take 1 bit of plywood slightly bigger than your prop hub diameter, 1 bit of bungee and an old cloth / rag.

Dril la couple of holes i nthe ply and use the bungee to hold the ply against the exhaust hole (hook it round the font of the leg above the gearbox- it wonlt fall off), bunch the cloth up and put it in between them. This essentially simulates the prop being underwater, and so the exhaust is forced out the idle ports via the silencer the way it was designed to. The cloth allows the exhaust cooling water out & acts as a sound muffler.


Don't just use ply - it will rattle against the prop hub with the exhaust pressure trying to push it out thre way and double the noise levels!
__________________

__________________
9D280 is offline   Reply With Quote
Old 01 December 2011, 05:53   #2
RIBnet supporter
 
Erin's Avatar
 
Country: UK - Channel Islands
Town: A large rock
Boat name: La Frette
Make: Osprey Vipermax
Length: 6m +
Engine: 200 Suzzy
Join Date: May 2004
Posts: 2,830
Nice idea, thanks for sharing.
Erin is offline   Reply With Quote
Old 01 December 2011, 07:12   #3
Member
 
Hightower's Avatar
 
Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,855
Engauge gear and do a bit of Frizby meets bungy
__________________
Andy

Looks Slow but is Fast
Member of the ebay Blue RIB cover club.
Hightower is offline   Reply With Quote
Old 01 December 2011, 08:29   #4
Member
 
Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,610
Yes, it does involve a tiny amount of self control.....
__________________
9D280 is offline   Reply With Quote
Old 01 December 2011, 10:28   #5
Member
 
Country: Other
Town: Rosas
Boat name: Conqueror
Make: Valiant
Length: 7m +
Engine: Outboard 150hp Merc
Join Date: Dec 2010
Posts: 541
Send a message via Skype™ to Courageous
Must admit I thought this thread was about not waking up the Mrs in the middle of the night when preparing for my shi(F)t
__________________
Courageous is offline   Reply With Quote
Old 01 December 2011, 11:33   #6
Member
 
Crusher's Avatar
 
Country: UK - England
Town: Southampton
Boat name: Bubbas Bouy
Length: 7m +
Engine: Mercruiser
Join Date: Mar 2011
Posts: 626
RIBase
Picture please

Sent from my iPhone using Rib.net
__________________
Crusher is offline   Reply With Quote
Old 01 December 2011, 12:59   #7
RIBnet admin team
 
willk's Avatar
 
Country: Ireland
Make: Redbay Boats
Length: 9m +
Engine: 370hp
Join Date: Feb 2008
Posts: 12,924
RIBase
Quote:
Originally Posted by Courageous View Post
...in the middle of the night when preparing for my shi(F)t
Quote:
Originally Posted by Crusher View Post
Picture please t
Oh please, don't encourage him!

BTW, I LIKED the noise my 90s used to make in the muffs. Good idea though - handy for late night flushing.
__________________
willk is offline   Reply With Quote
Old 01 December 2011, 13:18   #8
RIBnet supporter
 
jambo's Avatar
 
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 5,786
RIBase
Quote:
Originally Posted by willk View Post
Oh please, don't encourage him!

BTW, I LIKED the noise my 90s used to make in the muffs..
And pray tell us exactly what are your 90s and the noise they made was emmmmmm The mind boggles
mate
B
__________________
jambo
'Carpe Diem'
Member of the ebay Blue RIB cover club
Member of SABS ( Scottish West Division)
jambo is offline   Reply With Quote
Old 01 December 2011, 13:49   #9
RIBnet admin team
 
willk's Avatar
 
Country: Ireland
Make: Redbay Boats
Length: 9m +
Engine: 370hp
Join Date: Feb 2008
Posts: 12,924
RIBase
Quote:
Originally Posted by jambo View Post
And pray tell us exactly what are your 90s
Manys the night my 90s roared through Muff...

Attached Thumbnails
Click image for larger version

Name:	Muff.jpg
Views:	104
Size:	83.1 KB
ID:	64196  
__________________
willk is offline   Reply With Quote
Old 01 December 2011, 15:12   #10
Member
 
Country: Other
Town: Rosas
Boat name: Conqueror
Make: Valiant
Length: 7m +
Engine: Outboard 150hp Merc
Join Date: Dec 2010
Posts: 541
Send a message via Skype™ to Courageous
Quote:
Originally Posted by willk View Post
Oh please, don't encourage him!

.
Get over ya'self!
__________________

__________________
Courageous is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off





Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 11:14.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.