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Shortening enigma slalom boom

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Created by dkeating A week ago, 24 Jun 2020
dkeating
VIC, 165 posts
24 Jun 2020 10:32AM
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Wondering if anyone has attempted to shorten an enigma boom.
Is it possible to take the ferules off shorten by about 5cm and re glue ferules. On my 180 to 230 boom I need about 5cm shorter for my smallest sail, but only need about 220cm for my largest.
Anyone attempted this?

Basher
224 posts
24 Jun 2020 9:24AM
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Don't do this.
Buy a shorter boom instead. A second boom. That's the proper answer.
One day you'll need an even shorter boom length, and that second boom will fit the smaller sails you eventually have..
(Or maybe you'll give up windsurfing and when you sell the kit it won't be kit no-one wants because it was vandalised. )

You can also use the one boom you have for a smaller sails by lashing the clew to fit, with extra rope, without sideways movement. That just means there is un-used boom length stuck out to the rear of the sail.
And that again, is not a recommended solution.

AUS 808
WA, 317 posts
24 Jun 2020 9:59AM
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Select to expand quote
dkeating said..
Wondering if anyone has attempted to shorten an enigma boom.
Is it possible to take the ferules off shorten by about 5cm and re glue ferules. On my 180 to 230 boom I need about 5cm shorter for my smallest sail, but only need about 220cm for my largest.
Anyone attempted this?


Simple job, BUT.

Before you cut anything, find something the same diameter as the extension but longer to make sure it will go inside the boom arm the extra 50mm you require.
Once you cut it there is no going back

seabreezer
203 posts
24 Jun 2020 12:20PM
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No , I wouldnt .... you will also lose fraction stiffness maybe on yr biggest sail ... as less boom arm length/stiffness and setting on more backend extension ...

sprayblaze
7 posts
24 Jun 2020 2:18PM
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Select to expand quote
seabreezer said..
No , I wouldnt .... you will also lose fraction stiffness maybe on yr biggest sail ... as less boom arm length/stiffness and setting on more backend extension ...


Recently there is some craze for cutting and adapting carbon masts and booms... obviously hard times are knocking on the door...

jimbob SA
SA, 964 posts
25 Jun 2020 4:10PM
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Hell yeh I'd do this. Be fine.

FormulaNova
NSW, 11064 posts
25 Jun 2020 5:00PM
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5cm? Hardly worth the effort. Plus sometimes the ferules are hard to get off. In the past people have cut them off and glued on new ones, but in your case, you only have 5cm to work with.

Can you make something up that is a bracket that extends the clew of the sail without too much movement?

dkeating
VIC, 165 posts
26 Jun 2020 9:57AM
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Thanks for the input suggestions. 7cm shorter would probably be ideal. Hard to know with the wide tail boom if a 12cm gap really causes too many problems it just doesn't look right and a fair distance to flop from side to side. I'm using an Chinook apple core pulley on adjustable outhaul so the suggestion of extending the clew might work to.

Awalkspoiled
52 posts
26 Jun 2020 8:48AM
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The final geometry can look a little weird but it's not a difficult job. I've shortened an Epic and an old Fiberspar from Formula length to something more practical and both work really well, although they're much wider than current designs of the same length. With the Epic I was able to heat the boom end enough to twist off the clamps and reuse them. The Fiberspar twist-locks were pretty shot already so I bought new ones. You don't need anything really burly to reattach the boom ends - just good waterproof contact cement.

I do agree that it's silly to cut 5cm - that much excess is easy to allow for by binding the clew to either side of the boom. I cut mine by 20 and 30cm which is honestly a bit extreme, and on the Fiberspar also cut the interior boom arms on the tailpiece to allow them to slide all the way in. That wasn't necessary on the Epic and it's still plenty stiff at full extension.

bludga
QLD, 194 posts
26 Jun 2020 9:32PM
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I don't have a problem with cutting booms. I've done a couple of X9's and I checked my Enigma to do the same and it comes apart easily. Easy job as mentioned above.

Rob11
233 posts
27 Jun 2020 7:22AM
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Stop drinking coffee for some months and get yourself a new boom...



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"Shortening enigma slalom boom" started by dkeating