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Search took 0.00 seconds. Search: Posts Made By: rslifkin
Forum: General Sailing Forum 10-11-2022, 06:30
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

Yes, the rubber mats should fix the ventilation problem. Being under the hulls, I doubt there's all that much to gain from lowering the outboards further. Unless you're getting air flowing under...
Forum: General Sailing Forum 09-11-2022, 18:56
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

Yeah, chances are the issue has been ventilation more than cavitation.
Forum: General Sailing Forum 09-11-2022, 17:50
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

You might gain some speed with the wells sealed off. Less air to the props will get a bit more bite.
Forum: General Sailing Forum 09-11-2022, 13:26
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

Deck drains typically work by being above waterline, yes. But there are those sailing dinghy self bailers that will suck water out while you're moving.
Forum: General Sailing Forum 09-11-2022, 10:48
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

A couple of small holes in the rubber (towards the trailing edge) would fix that problem if it shows up.
Forum: General Sailing Forum 09-11-2022, 10:30
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

That would be possible, but plugging up the hole will give a bigger benefit. And once that's done, the anti-vent plate on the outboard won't really be doing anything, as there's no source of air for...
Forum: General Sailing Forum 09-11-2022, 08:31
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

On a planing hull, ideal height for best speed depends a bit on prop design, hull design, and how far the outboard is set back from the hull (further back usually wants to be mounted higher). On...
Forum: General Sailing Forum 09-11-2022, 08:00
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

I'd use a thin piece of stainless or aluminum on top of the rubber. And glue the rubber to that with a couple of bolts just in case. Probably the easiest way to make it stay together. 4200 cures...
Forum: General Sailing Forum 09-11-2022, 07:45
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

A rubber piece attached to the outboard that plugs into the hole is actually a better solution other than more drag when the outboard is lifted. Mechanically simpler, less to go wrong. And easier...
Forum: General Sailing Forum 09-11-2022, 07:22
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

My thought was that the doors might eliminate the need for the anti-vent plate, allowing it to be trimmed shorter and gaining the 1/2" of clearance needed to fit through the hole.
Forum: General Sailing Forum 09-11-2022, 07:05
Replies: 84
Views: 5,618
Posted By rslifkin
Re: Need to lift my stern out of the water a little. Pillows?

This makes me wonder... With some of the past cavitation issues, was it actual cavitation or potentially ventilation caused by air being sucked down through the outboard wells? What about making...
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