Quote:
Originally Posted by Sailingbluew
But as I understand the whisker pole is supposed to by at clew height. At least it is in the video above. Mine is extending far beyond the genoa if I were to move it that high. I assume it should be low enough so it can pass over to the other side on a gybe
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Think of the whisker pole as a beam, just like a mast. A beam is strongest in
compression. The longer a beam is, the more it is prone to bending or buckling.
So your aims include (1) to minimise any lateral force to your whisker pole; and (2) to position the pole so all (or almost all) force is compressing it, meaning running directly from outboard end to inboard end.
To achieve aim (2) you want your whisker pole to be horizontal, more or less parallel to the sea surface. That means that the inboard end must be very close to the same height as your genoa or jib clew. Any force from your headsail sheet should then compress your whisker pole against your mast.
Any force at the end of a tilted/steeved pole must include a lateral component that will tend to bend or buckle your pole.
Your Forespar whisker pole will be either a line control pole or a twist-lock pole. The amount of extension should be under your control.
Only extend the pole to the point that it extends horizontally to the clew of your headsail sheet at about the level of the clew of the headsail. The longer the extension, the more prone your pole is to buckling or bending.
If you have a wardrobe of headsails, such as a working jib and a light
wind genoa, you might (in light conditions) try the pole with each of your headsails. And mark the degree of extension, perhaps with a permanent marker, fingernail polish, or whatever. Perhaps one slash mark on the pole for your working jib, two slash marks for your overlapping genoa.
You then make your whisker pole bridle so it is adjustable: just the right length for your maximum extension to suit your overlapping genoa, and with intermediate lengths to suit your other headsails or a reefed headsail.
Your topping lift and bridle are important. You can guess what happens if the outboard end of your whisker pole dips into a wave or falls into the drink while the
boat is moving.
If you are planning on considerable blue-water
work, then dedicated fore-guy and aft-guy are well worthwhile. The idea then is to have your pole held by three lines (topping lift and two guys) so that you can roller-furl your headsail fast in case of unforeseen foul
weather and (if necessary) leave the pole deployed until a squall has passed (for example).
Spend time at
anchor or at a
dock in calm conditions practising deploying your pole so you get the degree of extension and the length of your pole bridle just right.
Not all
boats have the geometry to allow for the pole to simply change sides. On my vessel, the geometry is such that I have to un-deploy the pole, making it vertical (or nearly so) against the mast, and then redeploy on the other side. YMMV.
In addition to taking care to keep the outboard end of the pole out of the
water, it should go without saying that you ought never let the pole touch a wire
shroud. For one, that is an invitation for bending the pole. For two, any contact with a wire
shroud in a seaway will turn the wire shroud into a hacksaw that can cut right through the pole.