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RTFM View Drop Down
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Post Options Post Options   Quote RTFM Quote  Post ReplyReply Direct Link To This Post Topic: RS400 buyers tips
    Posted: 21 Jun 19 at 6:20am
Thanks to all for the tips and advice.  Found the culprit.  In the bow.  See short video link. Now repaired and boat is dry...




Edited by RTFM - 21 Jun 19 at 6:21am
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ClubRacer View Drop Down
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Post Options Post Options   Quote ClubRacer Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jun 19 at 9:19pm
 RS400 - leaking badly in only light air sailing...Couple of questions, are there any specific areas where these boats leak? -  so far found a couple of dodgy hatch covers/seals so far, rudder fittings, toe strap anchorages all OK... I am repairing a friends Rs400 and cannot get it to hold any pressure when testing with a hand pump via bug in the transom.. Also, does the RS400 have a 'breather hole' in the boat?  Boat is sail number circa : no. 700 Ta...


There are 5 breathers on those early numbers

2 under the deck either side of each other just forward of the mast
2 under the thwart near where its bonded to the hull
1 behind the rudder gudgeon

When you get air in the boat they are easy to hear. Certainly how I found mine!


Edited by ClubRacer - 20 Jun 19 at 9:20pm
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Mike7722 View Drop Down
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Post Options Post Options   Quote Mike7722 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jun 19 at 8:48pm
Might also be worth noting that during rigging the job should be rigged first to avoid the main cracking the deck near the mast ram.

Quite obvious, and you probably already know it, but just in case...
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Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 19 at 2:46pm
In light winds, the only risk areas underwater should be the centreboard case, mast step, control sheave blocks and aound the bow, where you have a towing eye under the flaps and various fasteners etc inside the bow. Front hatch covers. Hoop base fittings.
The bottom pintle is also a possible.
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Post Options Post Options   Quote Gordon 1430 Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 19 at 2:24pm
Very early boats had a bung under the main sheet tower, just by the bailer and you could not get to them to replace I ended up cutting it out and filling the hole. I think this was up to about 460.
Mine was 450. 
There has been a few problems with the Ram and post below so worth checking.
Great boats we had 14 out club racing Tuesday racing from early 600's to 1470ish and all competitive subject to sailors ability's.
Dark colours fade so worth getting a cover with extra long sides from Rain and Sun.

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Post Options Post Options   Quote Sam.Spoons Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 19 at 9:08am
I use a 12V electric blower/pump designed for inflating air beds to provide continuous low pressure in the boat. I wrap the nozzle in LX tape and push it in the bung then I can go around the boat with the soapy water.

My first candidate for leaks would be fittings but your light wind scenario suggests looking at the hull to centreboard case join.


Edited by Sam.Spoons - 23 May 19 at 9:10am
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RTFM View Drop Down
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Post Options Post Options   Quote RTFM Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 19 at 7:33am
Thanks !-- will keep working on it...
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Post Options Post Options   Quote Paramedic Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 19 at 6:24am
Originally posted by RTFM

RS400 - leaking badly in only light air sailing...Couple of questions, are there any specific areas where these boats leak? -  so far found a couple of dodgy hatch covers/seals so far, rudder fittings, toe strap anchorages all OK... I am repairing a friends Rs400 and cannot get it to hold any pressure when testing with a hand pump via bug in the transom.. Also, does the RS400 have a 'breather hole' in the boat?  Boat is sail number circa : no. 700 Ta...

I think there is a breather hole under the thwart.

Loads of soapy water and a pump will hep find it. If you're putting air in its coming out somewhere!

If its leaking a lot in light winds its got to be somewhere low in the cockpit floor, hull/transom join or rudder fittings/bung hole. Ive never seen one leaking at the gunwale but this is possible.


Edited by Paramedic - 23 May 19 at 6:25am
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 19 at 8:00pm
the stern hatch is a good bet.
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RTFM View Drop Down
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Post Options Post Options   Quote RTFM Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 19 at 7:58pm
RS400 - leaking badly in only light air sailing...Couple of questions, are there any specific areas where these boats leak? -  so far found a couple of dodgy hatch covers/seals so far, rudder fittings, toe strap anchorages all OK... I am repairing a friends Rs400 and cannot get it to hold any pressure when testing with a hand pump via bug in the transom.. Also, does the RS400 have a 'breather hole' in the boat?  Boat is sail number circa : no. 700 Ta...
Nobby.
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