Freedom 21 Blade Jib

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Lionel7
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Joined: Fri Dec 05, 2008 12:12 pm

Freedom 21 Blade Jib

Post by Lionel7 »

I have a standard "class" jib for my Freedom 21 which I enjoy and faithfully douse when the wind speeds get over 10 knots. I am interested in building a "blade" jib with a shorter foot such that I can fly a jib in a bit more wind. I understand from the archives there was such a "blade" jib design back in the day, however, I can't find the dimensions in the archives anywhere. I believe the old Freedom21info.com site and all its wonderful resources is gone. Does anyone have the dimensions for this F21 "blade" jib? The luff would be exactly the same as the "class" jib. The foot dimension is what I am principally after.

Thanks,

Doug
Freedom 21 #112
Maketea

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newt2u
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Re: Freedom 21 Blade Jib

Post by newt2u »

Hi Doug

If you look at topic https://www.freedomyachts.org/viewtopi ... 08#p52908 , I posted a picture of my jib. Not sure what a class or blade jib are but I have used mine to good effect in 15 to 20knts. I can measure it fir you if you are interested but probably not till the end of the month.
Rockin - F21 twin drop keels - located Milford Haven, Wales

hkowalczyk
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Re: Freedom 21 Blade Jib

Post by hkowalczyk »

You can use the way back machine to find old web sites.
Here is the page you're looking for.
https://web.archive.org/web/20180831174 ... ginals.htm

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newt2u
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Re: Freedom 21 Blade Jib

Post by newt2u »

Having looked at the specs on web.archive.org, it looks as though my self-tacking jib is even smaller than the "blade". From memory the LP is probably just under 4ft, so about 40sqft. Even so, I have noticed that it does improve upwind performance, even in lighter winds and as I said before I have had it up in 20kts to good effect. The sheet angle and wishbone tend to keep the luff tensioned.
Rockin - F21 twin drop keels - located Milford Haven, Wales

hkowalczyk
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Re: Freedom 21 Blade Jib

Post by hkowalczyk »

The self tacking mechanism on your jib is interesting. Could you post close up pictures to show it?

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newt2u
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Re: Freedom 21 Blade Jib

Post by newt2u »

I’ll do that but may not get down to Milford Haven for a while. Kids are back at school now.
Rockin - F21 twin drop keels - located Milford Haven, Wales

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newt2u
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Re: Freedom 21 Blade Jib

Post by newt2u »

I may not get down to Milford Haven for a while as my kids are back at school now. I do have a pic of the jib and main laid out in the back yard, which I attach and I’ll follow up with some pics of it rigged when I get down to the boat. Just added a blowup of the jib, it hanks onto the downhaul of a dyneema halliard and is tacked to the aft crossmember of the pulpit.
Attachments
ST jib copy.jpg
ST jib copy.jpg (140.04 KiB) Viewed 2987 times
9B2E16A5-8F14-4F95-8BED-4B424235D7A6.jpeg
9B2E16A5-8F14-4F95-8BED-4B424235D7A6.jpeg (127.27 KiB) Viewed 3005 times
Rockin - F21 twin drop keels - located Milford Haven, Wales

Lionel7
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Re: Freedom 21 Blade Jib

Post by Lionel7 »

Thanks for everyone’s replies. Still looking for the length of the foot on F21 owners’ “blade” jobs. From Newt2u’s pictures I can get an estimate of his. Couldn’t find anything on the old Freedom21info site.

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newt2u
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Re: Freedom 21 Blade Jib

Post by newt2u »

Here is the spec on from that link. Wayback does not work well for me and I can not export the whole pdf so here is a screen shot of the relevant information. LP is a line perpendicular to the luff. Area is 1/2LP*Luff. I guess you can put the clew wherever you wish, the foot will depend on where you place it.
Attachments
blade.jpg
blade.jpg (32.82 KiB) Viewed 2967 times
Rockin - F21 twin drop keels - located Milford Haven, Wales

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newt2u
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Re: Freedom 21 Blade Jib

Post by newt2u »

Here are some pics of my F21 blade jib. Once filled the kink in the Hilliard becomes less pronounced.
Attachments
8590EB7B-9118-4C26-8A1A-9E49A8F5E1B2.jpeg
8590EB7B-9118-4C26-8A1A-9E49A8F5E1B2.jpeg (102.17 KiB) Viewed 2683 times
A611D5B3-71A5-4445-8EF8-C9B4C13B66B0.jpeg
A611D5B3-71A5-4445-8EF8-C9B4C13B66B0.jpeg (76.63 KiB) Viewed 2683 times
4787F4FA-EDB0-4793-BF2F-2E183E618EDC.jpeg
4787F4FA-EDB0-4793-BF2F-2E183E618EDC.jpeg (117.33 KiB) Viewed 2683 times
Rockin - F21 twin drop keels - located Milford Haven, Wales

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