[Rhodes22-list] How to: A Trouble-free Furling Main | Sail Magazine

[JAY FRIEDLAND]

Yes, as I remember oz. equivalent. I will try to find the original paperwork.
Jay

> On Jul 20, 2020, at 7:20 AM, Jesse Shumaker <jesse.laten.shumaker at gmail.com> wrote:
> 
> Chris, one thing that I've noticed about IMF on larger boats is that the
> foot does not appear to be horizontal.  Instead it appears to be cut a bit
> like jib in that the clue is higher than the tack.  I assume that might be
> so that the foot doesn't bunch up on top of itself as it furls so it
> doesn't take up too much room in the mast.  As a result of this it appears
> that the boom is always at an angle for the IMF on larger boats.  On your
> Catalina, do you furl it by hand, does it require a winch or is there an
> electric winch?  Overall, do you like the IMF on the larger boat as well?
> 
> One other note, does the IMF on the R22 require any maintenance such as
> lubrication?
> 
> On Sun, Jul 19, 2020 at 9:24 PM Chris Geankoplis <chrisgeankoplis at gmail.com>
> wrote:
> 
>> Yup,  Have used both and let me tell you the R22 furles a lot easier! I
>> think about it every time I furl the big one on the Catalina.  I do miss my
>> Rhodes.  Just paid the insurance on it even though I am not sailing it
>> (required) but it is so cheap I don't mind.  One of the reasons I spent so
>> much money (more than I paid for the boat) to ship it over to Greece was
>> because of the IMF.  Thanks again to Stan for coming up with this
>> marvelous feature!
>> 
>> Chris Geankoplis
>> SV ENOSIS
>> 
>> On Sun, Jul 19, 2020 at 4:30 PM Jesse Shumaker <
>> jesse.laten.shumaker at gmail.com> wrote:
>> 
>>> Hi Tom,
>>> 
>>> The R22 IMF furls in the opposite direction as the illustration depicting
>>> the Selden furling shown in the article.  There is a vertical batten that
>>> is inserted into the UV resistant portion of the sail, which is the thick
>>> colored section that sticks out when the sail is fully furled.  Forgoing
>>> battens on the rest of the main seems to the price you pay in terms of
>>> performance in exchange for the big benefits in terms of ease of using
>>> IMF.  Horizontal battens are reserved for mains that hoist in the
>>> traditional manner, or perhaps they could also be used on boom roller
>>> furling, which seems to be less common than IMF.   I've not heard of
>> anyone
>>> else adding additional vertical battens and I'm not sure the mast would
>> be
>>> large enough to accommodate the extra size of a furled sail including
>>> vertical battens.
>>> 
>>> I haven't yet sailed on a larger boat with IMF, but people who have used
>>> those and then come on my R22 seem to be surprised about the ability to
>>> raise and lower the entire system (boom and mainsail) with the pin going
>>> through the gooseneck to the mast.  I suppose that's not an option on a
>>> larger boat because of the extra weight.  It is nice to have a high boom
>>> normally for plenty of room in the cockpit and to catch the most wind up
>>> high, but then be able to lower it quickly in stronger conditions.
>>> Lowering the center of effort reduces heeling.
>>> 
>>> Maybe Chris G. could provide some perspectives on IMF for the R22 vs. a
>>> larger boat since he also has a Catalina 38(?) with IMF.
>>> 
>>> Jesse Shumaker
>>> S/V Zephyr
>>> 
>>> On Sun, Jul 19, 2020 at 2:39 PM Tom Van Heule <
>>> tom.vanheule at intrinsicprograms.com> wrote:
>>> 
>>>> Hi, I came across this article today - and was searching in the
>> archives
>>>> for any details - lots of talk on the IMF, but nothing explaining the
>>>> system (that I have found!).  Aside, Is anyone using battens? vertical
>> or
>>>> horizontal?    Is the GBI system similar/different from the Selden
>>>> description?
>>>> https://www.sailmagazine.com/diy/how-to-a-trouble-free-furling-main
>>>> 
>>>> It was a nice read to hear some support for IMF in either case.
>>>> 
>>>> 
>>>> --
>>>> Tom Van Heule
>>>> Intrinsic Programs
>>>> tom.vanheule at intrinsicprograms.com
>>>> +1 303 525 5266
>>>> 
>>> 
>>