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Shake, twist, put between two sawhorses and bend, rotate 90 degrees and repeat.

If this fails, then make up an adaptor to allow you to force water from a garden hose into the top of the mast (after you remove the bung). You can't just tape a hose in there, you have to do it properly with hose clamps and thick tubing etc. Cost you about $15 from bunnings for all the bits and pieces.

Turn the hose on, and continue shaking for about 2 beers and then POP!

Worked for me

We have a stuck mast at the moment as well. I am confident we can get it apart, eventually, but wanted to know peoples thoughts on RP7 or other lubes on carbon surfaces? Or should we sand it down a bit in the sleeve or tappered ends?

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Originally posted by divaldo

We have a stuck mast at the moment as well. I am confident we can get it apart, eventually, but wanted to know peoples thoughts on RP7 or other lubes on carbon surfaces? Or should we sand it down a bit in the sleeve or tappered ends?

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I use a bit of DryGlide (Teflon spray) on the taper, and try to avoid getting sand in the joint. Shorebreak is not my friend!

I'd be hesitant to sand it down at all - you want as much surface area contact between the two halves as possible to avoid point loadings, and inducing stress points in the join.

I have the opposite problem. One of my masts forms such an airtight seal with compressed air inside because it is wiped clean with a damp rag before I put the halves together that it pops apart by about 10mm usually when being inserted in the sail. Solved the problem by tape wrapping the joint each time- prevents any sand getting in and mast comes apart nicely. Prevention is better than cure.

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Originally posted by frant

I have the opposite problem. One of my masts forms such an airtight seal with compressed air inside because it is wiped clean with a damp rag before I put the halves together that it pops apart by about 10mm usually when being inserted in the sail. Solved the problem by tape wrapping the joint each time- prevents any sand getting in and mast comes apart nicely. Prevention is better than cure.

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That taping idea is a good one.

The other thing with our 'constantly sticking mast' is that when we do get it apart, there is a black watery residue left behind, carbon bits in the water left behind, seems odd.

Tape the joint with silver electric tape and you should never have the same problem.
Since living in QLD I have been using tape and have not had any problems.

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Originally posted by seano

last time my mast got stuck together, the type 4 guys couldnt get apart. i got home with it & boiled the kettle, poured some boiling water over the top bit for a while & it slid apart with out any fuss...

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seano, "ZACKARY RIGHT" works every time

bending it before you try to turn it works, the boom method works good too, the boom method and a few guys also helps, my 400 rdm mast gets stuck every time i take it in the surf at a certain beach weird, and the black stuff on your hands is the carbon you have just sanded off the inside of your mast with the sand, one day it will be sanded enough not to get stuck again..... the boiled water trick sounds good have to try that next time..

If you can't do it by putting booms on each half of the mast and then twisting them in opposite directions what i did was rub some dishwashing detergant into the split and leave it for a day or so to get in their a bit (rotate the mast round). The next day i took it to the school tech center and wacked the skinnier end in a vice (not to tight because you dont want to crack it) then i went around and rounded up about 10 or 15 guys and we all twisted at once on the fat side. Worked a treat and i havnt been beaten yet. 3 hard stuck masts that i have got like that so i think it works alright. Problem is you need a vice and 10 to 15 guys to help you.

Bubs