Review Your Own Boat - Page 4 - SailNet Community
Boat Reviews This forum has all types of boat reviews. Take a look, Dream, Agree, Dissagree.... but enjoy.

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post #31 of 44 Old 01-11-2020
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Re: Review Your Own Boat

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Originally Posted by outbound View Post
Bob Perry has pointed out on this site in the past that a properly designed balanced spade rudder is as strong if not stronger then skeg hung. The outbound rudder post is massive. Internal support is higher then the waterline and there are multiple bearings. All to often the rudder is holding the skeg on not the other way around as the narrow junction of the skeg to the canoe body is hard to engineer correctly.
Is it a spade rudder, or a skeg-hung rudder, or a spade rudder with a sacrificial free skeg in front of it? I wasn't clear on this.

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an extra removable dyneema stay for the storm jib
Is the storm jib hanked on? If so, does that work well with dyneema without chafing it, or are there special hanks for dyneema? Can you keep the dyneema stay tight enough for windward work?

Mark

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post #32 of 44 Old 01-11-2020
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Re: Review Your Own Boat

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One you penetrate hull with a large seacock... you can "branch off" with plumbing to as many items which need raw water. I would not use this for head effluent probably.
It is a matter of volume and competing flow. A seachest provides a ballast tank of water so that none of the outlets are competing with each other for flow. A branched seacock could have one outlet drawing from the other under certain conditions. Otherwise, it is just like a seachest without the ballast tank.

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post #33 of 44 Old 01-11-2020
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Re: Review Your Own Boat

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Originally Posted by SanderO View Post
.... I would not use this for head effluent probably.
Effluent should route to a holding tank. Going the opposite direction of a seachest.

On this point, when practical, I much prefer a single large holding tank. Our 3 heads all feed to a 77 gallon tank. The downside is all the expensive hose.


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post #34 of 44 Old 01-11-2020
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Re: Review Your Own Boat

Reading comprehension.”balanced spade rudder”.
Dyneema is sheeved. No friction. Hanks are uncoated dyneema as well. Stay tensioned with device that looks like a rigging screw but has two handles that flip out. One prevents stay from turning. The other tightens screw. They both fold in to prevent it from loosening. Tight as a drum. No sag. Several companies make variations of this device. Had a J hook to do the same thing on a prior boat. Not nearly as effective. On this boat loosen backstay. Set up storm stay. Then a pump or two on the backstay. Go back to stay and another twist or two. Now have a flat mainsail as well. Clever. Seen this set up on masthead and fractional sloops as well as other solents.

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post #35 of 44 Old 01-11-2020 Thread Starter
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Re: Review Your Own Boat

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Effluent should route to a holding tank. Going the opposite direction of a seachest.

On this point, when practical, I much prefer a single large holding tank. Our 3 heads all feed to a 77 gallon tank. The downside is all the expensive hose.
You can discharge overboard offshore.

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post #36 of 44 Old 01-11-2020
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Re: Review Your Own Boat

Ok, saw the balanced spade rudder bit, but was confused why you discussed the rudder holding the skeg on. Maybe reading comprehension mixed with writing clarity?

Interesting on the dyneema stay. We have a screecher with an internal 5/8" torsion rope consisting of parallel vectran fibers. Even when this is brought as tight as can be with a winch, until the fixed headstay slacks a bit, it still has enough sag upwind to really prevent it from being effective on a beat. However, this is a huge 200% sail running to the masthead, and probably different with a small storm jib fractionally attached.

A storm jib setup like yours makes so much more sense than a fixed, or even removable, wire one.

Mark

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post #37 of 44 Old 01-11-2020
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Re: Review Your Own Boat

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You can discharge overboard offshore.
I'm trying to piece together your point. You said you wouldn't use a sea chest for effluent. I presume that means a separate consolidated thru-hull for numerous heads, as one clearly wouldn't direct it back to the raw water sea chest.

Effectively, an effluent sea chest is exactly what our holding tank is. A chest that stores all the effluent in one place, until it is either pumped out the deck fitting or dumped overboard though only a single thru hull (as opposed to each head having it's own waste thru-hull).


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post #38 of 44 Old 01-11-2020 Thread Starter
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Re: Review Your Own Boat

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I'm trying to piece together your point. You said you wouldn't use a sea chest for effluent. I presume that means a separate consolidated thru-hull for numerous heads, as one clearly wouldn't direct it back to the raw water sea chest.

Effectively, an effluent sea chest is exactly what our holding tank is. A chest that stores all the effluent in one place, until it is either pumped out the deck fitting or dumped overboard though only a single thru hull (as opposed to each head having it's own waste thru-hull).
If you have more than one head.

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post #39 of 44 Old 01-11-2020
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Re: Review Your Own Boat

Uh... I'm unclear about where to post a review of my own boat.

Is it here... or is it in Boat Builders Row?

Thanks for any clarification.
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post #40 of 44 Old 01-11-2020
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Re: Review Your Own Boat

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Originally Posted by SanderO View Post
If you have more than one head.
Okay. A sea chest is only if you have more than one raw water need.

We can drop it. Doesn't seem like it was a important.


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