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Old 06 October 2003, 13:55   #1
Country: UK - England
Town: Preston
Boat name: Sharmel
Make: Avon
Length: 4.2
Engine: 45hp Honda / 4hp Johnson
Join Date: Oct 2003
Posts: 5
Avon Searider blow holes

Ive had my searider for 12 months now and the first thing I did when I got her was block the big hole at the back and the nostrells in the front up to make a dry hull, I thought this was the best thing to do due to the weight of diving kit she would be carrying. Obviously shes a little unstable without the weight but I was wandering what thoughts other owners have on this boat ?

Should I open up the holes again ?


Thepooster2002 is offline   Reply With Quote
Old 06 October 2003, 15:10   #2
Country: UK - England
Boat name: Won't get Fooled Again
Make: Ribtec
Length: 6.5
Engine: Honda 130
Join Date: Mar 2002
Posts: 888
I am really fond of Sea riders and had a very happy relationship with a 4.7. I certainly would restore the holes. The ballast is removed as son as the boat gets on the plane and it gives an extra help when you are going slowly.

One of the things I don't understand is why buy an Avon if you are going to block the holes up. They are after all the hulls key design feature

IMNSHO (in my not so humble opinion)

I need a little bit of Rhythym and a little bit of Blues
thewavehumper is offline   Reply With Quote
Old 07 October 2003, 10:28   #3
Country: UK - Scotland
Town: Falkirk
Boat name: a boat
Make: Narwhal
Length: 4m +
Engine: Force 40hp o/b
Join Date: Sep 2003
Posts: 112
Flooding Hulls....

Gotta agree with Wavehumper here - flooding hulls are meant to flood. If you are carrying a lot of divers & kit, you will be more unstable with the hull dry, maybe dangerously so if the weight shifted to one side unexpectedly. You could find your divers being tipped off the side prematurely.
It may take a bit more power and/or time to plane with a flooding hull, but once you are up, its then becomes a dry hull, so I feel that you will simply be sacrificing stability at low speeds and when stationary.
I have said elsewhere that I found my current rib 'skittish' when I changed from a Searider. I think you may find it a bit more than 'skittish' with the holes bunged up.

But then again, it's your boat..........

"Remember the Plug!"
Bill S is offline   Reply With Quote
Old 27 October 2003, 10:26   #4
Country: UK - England
Town: Southampton
Boat name: Searider / War Shot
Make: Avon / Scorpion
Length: 4m +
Engine: 30hp Yam / 150hp opt
Join Date: Sep 2003
Posts: 1,846
I suggest you try it both with the holes blocked up and open. I currently have a 5.4m Searider with the holes open and this works well - but I do have a 90hp (2 -stroke) and there is no problem with it planing even with lots of gear on board.

However, my previous boat was a 4m searider with a 50hp 2-stroke. This was decidedly unkeen to plane with 4 people on board with the holes open. No power trim though and it was propped to give about 39knots.
I had one of the Avon ss blanking plug kits but this leaked and the hull filled and then would not empty!


Searider is offline   Reply With Quote

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