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Hobie Oasis Sail kit + boom + furler
http://www.hobie.com/au/en/forums/viewtopic.php?f=11&t=64302
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Author:  yakking [ Tue Feb 19, 2019 4:01 am ]
Post subject:  Hobie Oasis Sail kit + boom + furler

Firstly hello all. I recently got a Hobie Oasis and we've been having a great time exploring all the local water. However this post is mainly about the Hobie Furling Kit. I did a lot of research trying to decide if I should by the Hobie kit or make my own. I eventually opted for the original and just thought I'd share my installation.

Basically I have just created two small loops out of some rope outer (I pulled the inner out). One loop is permanently attached to the kayak and the other both secures the fairlead to the furler rope and is also used to mount the fairlead to the kayak when I want to install the furler. The advantage here is there are no permanent modifications made to the kayak, no holes drilled, etc.. Hanging the loops off the paddle bungee eye posts does not interfere with hooking the bungee on in any significant way.

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I plan on installing a couple of Ronstan 5mm sheaveless blocks to route the mainsheet around the rear well and use another small loop to attach a Ronstan RF341 to cleat the mainsheet on the other side. I will update when done.

Also after sailing for a bit I feel a boom is a must have and will share that when I get around to making it.

Author:  yakking [ Tue Feb 26, 2019 1:55 pm ]
Post subject:  Re: Hobie Oasis Sail kit + furler

The sheaveless blocks and cleat secured with 1.5mm Dyneema shackles I made.
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Author:  yakking [ Tue Feb 26, 2019 1:55 pm ]
Post subject:  Boom

The boom is done. Well mostly. I would like to tidy a few things up but here she is. The complete boom installation takes less than a minute and the original setup is untouched. You don't have to re-tie any knots or anything. Simply clip the gooseneck to the mast, hook the bungee over it to keep it at the foot of the mainsail, thread the boom through the loop in the mainsheet where it attached to the mainsail, thread the outhaul, and then clip the boom furler in at the foot of the mast.

Simply either seat/unseat at the mast and the boom will furl with the sail.
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Author:  yakking [ Sun Mar 31, 2019 1:48 am ]
Post subject:  Re: Hobie Oasis Sail kit + boom + furler

Boom now black. I have since learnt I should have used an etching primer.
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Author:  skunked [ Sun May 26, 2019 7:00 am ]
Post subject:  Re: Hobie Oasis Sail kit + boom + furler

Nice job and good amount of details and pics. How did it perform on the water?

Author:  yakking [ Mon May 27, 2019 4:39 am ]
Post subject:  Re: Hobie Oasis Sail kit + boom + furler

skunked wrote:
Nice job and good amount of details and pics. How did it perform on the water?

I estimate up to 30% more speed (from the sail. not overall) depending on the angle to the wind. On average I'd guess probably 15% - 20% sail gains.
Can manhandle the boom which can be useful. Think jibe.
Adds an outhaul.
Reduces sail noise when the sail gets bad air.

Author:  skunked [ Mon May 27, 2019 2:54 pm ]
Post subject:  Re: Hobie Oasis Sail kit + boom + furler

That’s great improvements! I appreciate the clean setup.

Author:  yakking [ Mon May 27, 2019 3:42 pm ]
Post subject:  Re: Hobie Oasis Sail kit + boom + furler

skunked wrote:
That’s great improvements! I appreciate the clean setup.

Thanks.

A lot of thought went into it. I wanted it to be as minimal as I could imagine.
Not only is simplicity easy to maintain and less prone to breakage (although not really an issue with this little sail) but I didn't want any lose, metal, or both, bits flying around my face in ungainly gusts.
The outhaul is more than just show. I really do think it makes a difference when used correctly. But even if it doesn't I like to feel like I'm tuning something :D
And of course the primary consideration was that it had to compliment the furler. This was the only design I could think of that practically achieved that without complicated design.
As a plus it can all be made with just a hacksaw, screwdriver, drill, and a file. All parts are separate and can be replaced individually because there is no welding or gluing.

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