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More Ballast Questions

 
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CP3
Outlaw
Outlaw


Joined: 01 Dec 2005
Posts: 219
City: SC

PostPosted: Dec 01, 2005 11:58 pm    Post subject: More Ballast Questions Reply with quote

I have read alot of the other ballast topics and I just wanted full story on what pumps to use. I have already bought twin V-drive sacs and a locker sac. I am looking in to using one Jabsco pump for each sac and making a dedicated through hull ballast inlet,and having a vent for each bag. To drain the pumps I would reverse them and have a check valve that made the water go out through the vents for the bags. Would it be easier to use 6 airetor pumps or what? Any Advice is greatly apprecieated.
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wesgardner
Wakeboarder.Commie
Wakeboarder.Commie


Joined: 16 Aug 2003
Posts: 1507
City: Severna Park

PostPosted: Dec 02, 2005 6:01 am    Post subject: Reply with quote

Hey CP3,

The Jabsco and Simer pumps (both reversible) can pump in and out through the same below-the-waterline thru-hull fitting. You'll need a vent for each sac. You may not need any check valves...I'm not going this route so I havne't put alotta time in designing a system.

The aerators will require two pumps for each sac. You can still use a common thru hull and manifold (I'm using four intake pumps - Tsunami 1200's) but will need to keep the pumps below the waterline as they are not self-priming and you'll need a check valve on each as a back flow preventor as these pumps CANNOT stop waterflow when switched off...when they are filling, the ycan just use the exhaust outlet of the bag as a vent/overflow protection.

Wes

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mantaray
Addict
Addict


Joined: 14 May 2004
Posts: 639

PostPosted: Dec 02, 2005 6:09 am    Post subject: Reply with quote

Check out my topic on ballast systems. I used 3 Jabscos and 3 bags. The only place I used check valves is on the vents. This way when you empty the sacs, it sucks all the water out.
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