Cockpit Drains - cross-over or not ?

[deadeyedick]

I am astounded at the ignorance shown here even after it has been so clearly explained as to why crossing is a non starter!

 

[CAPTAIN FANTASTIC]

It depends on the design of the boat and indeed the cockpit

 

[RichardS]

It depends on the design of the boat and indeed the cockpit

And whether any boats from 2008 with crossed drains are still afloat.

Richard

 

[Biggles Wader]

Im sure we have all learned not to be so ignorant in the 11 years since the thread was posted.

 

[CAPTAIN FANTASTIC]

And whether any boats from 2008 with crossed drains are still afloat.

Richard

 

[neilf39]

Can't see the point unless you are getting loads of water coming in when heeled over. I would have thought you want the lowest drain to work when heeled over in case you get a wave in to the cockpit. If you are heeled and have crossed over drains then water will only drain out to the top of the higher one leaving you paddling. If you are getting water in through the low one when not crossed it will go out again quickly. I had a Vivacity 650 which had a central drain in the floor which went underwater if there were 3 of you in the cockpit. Just fitted a grating so we kept our feet dry.

 

[LittleSister]

It seems to me -
(1) Is one of the drains in the cockpit below the waterline when heeled?
If no - Crossing irrelevant, cockpit will drain anyway.
If yes - proceed to (2)

(2) Is one of the cockpit drain hull outlets out of the water when heeled enough to put the opposite drain in the cockpit below the waterline?
If no - Crossing irrelevant, you are going to get wet feet anyway, and uncrossed drains will drain faster.
If yes - Cross drains. Water falling into the cockpit will not drain until you level out, but you will minimise water coming up through the drain.

 

[Corribee Boy]

It seems to me -
(1) Is one of the drains in the cockpit below the waterline when heeled?
If no - Crossing irrelevant, cockpit will drain anyway.
If yes - proceed to (2)

(2) Is one of the cockpit drain hull outlets out of the water when heeled enough to put the opposite drain in the cockpit below the waterline?
If no - Crossing irrelevant, you are going to get wet feet anyway, and uncrossed drains will drain faster.
If yes - Cross drains. Water falling into the cockpit will not drain until you level out, but you will minimise water coming up through the drain.

And you're absolutely right - I've tried straight-through and crossed drains, and straight is the answer on my Corribee.

 

[MM5AHO]

It seems to me -
(1) Is one of the drains in the cockpit below the waterline when heeled?
If no - Crossing irrelevant, cockpit will drain anyway.
If yes - proceed to (2)

(2) Is one of the cockpit drain hull outlets out of the water when heeled enough to put the opposite drain in the cockpit below the waterline?
If no - Crossing irrelevant, you are going to get wet feet anyway, and uncrossed drains will drain faster.
If yes - Cross drains. Water falling into the cockpit will not drain until you level out, but you will minimise water coming up through the drain.

I agree. And as above, it can be either is right, but depends on the boat. On my boat crossed is right, but that doesn't mean it's right on all boats.

 

[Deleted member 36384]

Necro thread revival coincides with the return of a forumite. It stopped when they left. It could be a coincidence.

 

[Daydream believer]

Is there any advantage in taking the drains straight out via the transom? It seems to me that if they exited central to the boat they would remain roughly the same height regardless of amount of heel. Following waves should not be much of a problem, so long as the stern lifts easily with them & that depends on the design of the boat.