[Rhodes22-list] IMF Questions

[Todd Tavares]

Thanks Mary Lou

tavares0947 at gmail.com

On Wed, Jul 14, 2021, 2:48 PM Mary Lou Troy <mtroy at atlanticbb.net> wrote:

> Answers below. I've attached pictures that I've posted before from the
> time we replaced Fretless's mainsail
>
> On 7/14/2021 12:27 PM, Todd Tavares wrote:
> > I have some general questions about the IMF system. I have a standard
> mast
> > and mainsail, so I am not familiar at alll with the IMF, and I generally
> > bypass IMF discussions.
> > There were discussions about IMFs on another sailing forum which made me
> > curious. One sailor said his boat has a ZSpar brand IMF which has a slot
> he
> > can feed the mainsail bolt rope into and he raises it with a halyard
> like a
> > normal sail or furling headsail
> The GB IMF is a proprietary design and is different from all other IMF
> systems. It would not work well on a much larger boat but it is almost
> bulletproof in its simplicity.
> > Can the Rhodes 22 IMF sail be installed without dropping the mast?
> No
> > Does the Rhodes 22 IMF furler have a slot for a bolt rope or slugs and a
> > halyard?
> The furling tube has a slot for a boltrope which you slide into the tube
> by hand. It's a snug fit and the sail has a loop top and bottom which is
> attached to an eye at the top and another at the bottom which is how you
> tension the luff.
> > I always thought the sail was fixed to the furling tube, like the old GB
> > genoa tube arrangement and had to be installed as a complete assembly
> from
> > the bottom of the mast.
>
> Yes you are correct
>
> > I assume there is some way to raise or lower the sail on the furler
> because
> > there is an upper boom position. How is the Rhodes 22 IMF sail raised and
> > lowered? How is the luff tensioned?
> When you raise the sail to the upper position the whole furling tube
> with the sail affixed moves up and down within the mast. The sail itself
> can only be lowered by sliding it out of the furling tube which has to
> be done with the mast down. The luff is tensioned by stretching it as
> you attach it to the eye straps top and bottom. It's only done when you
> install the sail.
>
>
> Hope this is helpful,
>
> Mary Lou
> ex Rhodes 22
> now Rosborough RF-246
> Tara
> Rock Hall, MD
>
>
> --
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