Wave motion bilge pump

bbdave

bbdave

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I saw a couple of months ago i can't remember which issue of PBO an ad for a wave motion bilge pump (not the Drainman) it was around £80 does anyone remember it or know what it was as i'm looking for one.

Dave
 
Dave,

I thought I had the answer but it turns out to be the 'Drainman', you don't get anything for free - like perpetual motion - but it seems OK, what's wrong with it ? - a genuine question.

Wave powered pumps are an old idea, I'd think the modern answer might be a small solar panel with a battery and float switch etc, but it's a lot of hassle and expense compared to wave power.
 
I have seen mixed reviews on the Drainman quality being the main one plus i'm not keen on it being on the mooring line.

Dave
 
bbdave said:
I have seen mixed reviews on the Drainman quality being the main one plus i'm not keen on it being on the mooring line.

Dave
Click to expand...

It works quite well I have it connected to a plastic dustbin lid with a short line the resistance to it lifting the lid is enough to pump water out of the deepest bilge

When it was new I also used it for a laugh in getting cold beer out of a bottle while it was still in the fridge.
 
Wave pump

Hi,
I've used a couple of wave motion pumps similar to this previously, in an open 17' fishing boat:
http://www.securefixdirect.com/wave-pump-1122-p.asp

Works well, even though I was living in Bergen, Norway at the time, and there was plenty rain!!. Never seemed to last more than two seasons though. If you are in a sheltered bay with little wave motion, and high rainfall, it might not work so well.

Donald
 
Thanks that looks interesting i am annoyed i can't find the one i was looking for i pass my back issues to my dad so don't think i'll ever find it now

Dave
 
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