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stewartgibbons  
#1 Posted : 26 October 2018 18:24:55(UTC)
Rank: Newbie

Posts: 5
Location: North Berwick

Took Shivra out of the water last week and started on maintenance schedule before the cold weather arrives.

I removed the rectangular cap which allows access into the void / space in front of the keel box for the first time since I have owned her.

Why is that space there? it doesn't seem to serve any purpose and contains what seems to be some metal ballast does anyone know the reason the boat was constructed in this way?

Regards

Stewart Gibbons

Geoff Harwood  
#2 Posted : 28 October 2018 16:13:53(UTC)
Rank: Advanced Member

Posts: 276
Location: Christchurch

It puzzled me too on P21/30 Cygnus. I guessed that it is something to do with the way the ballast is introduced between the cabin floor and the hull. The floor is totally unyielding and gives the impression that it is solid right through. Maybe it is filled with a mixture of resin and metal punchings?

Geoff

stewartgibbons  
#3 Posted : 28 October 2018 18:43:46(UTC)
Rank: Newbie

Posts: 5
Location: North Berwick

Thanks for your response Geoff, have you ever found any water in there? I have some and would like to find out where it is comung from.

Stewart

Matthias.kro  
#4 Posted : 28 October 2018 18:45:00(UTC)
Rank: Member

Posts: 4

In front of the keelbox there is thick resin from floor to box I think to strengthen this area. If you run aground with the keel down, the front topside of the kell will press to this area. Left an right on mine (21/85) there ist resin mixed with little iron rolls for internal ballast (and trimm?).

Between the cabin floor and the hull behind the keelbox there is a hard putty in - no resin.

Matthias

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