What is this genoa track thing for? - SailNet Community
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post #1 of 18 Old 01-27-2011 Thread Starter
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What is this genoa track thing for?

Genoa_Cars.html_txt_Sch 72-45X

Okay, my imagination is failing me and apparently I don't understand this thing well enough to get Google to pony up an answer. Can anyone tell me why I have one of these on each jib track? Perhaps it's a really sturdy fender attachment point?

Thanks,
Chris


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post #2 of 18 Old 01-27-2011
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While you can use it for a fender attachment point, it is really designed for attaching a snatch block to, so you can alter the lead on a genny sheet to be more fair for instance, or to use a second headsail, etc.

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post #3 of 18 Old 01-27-2011
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How do you run your headsail sheets?

The thing in your photo is called a genoa track car. The knob is either spring loaded or screw-down, and when released, the car can slide along the track.

Attach a block to it to the U (doesn't need to be a snatch block) and run your sheets through it. In stronger winds, slide the car aft to tension the foot of the headsail. In lighter winds, slide forward to increase draft. Note that you can't generally slide the car on the leeward side while it's under tension.

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post #4 of 18 Old 01-27-2011
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A problem with simply adding any sort of block to these is that the block will flop around and eventually mark/damage the deck. You can buy 'stand up' springs to keep the block upright to avoid this.

Assuming this isn't your only lead car on the track. On many boats, when you have the jib car fwd for a small sail, the port sheet tends to chafe on a coaming/cabin side as it leads to the inside edge of the drum. You could use this to ensure a fair lead to your winches by pinning it at the aft end of the tracks and also run the sheets through a block there.. that way the lead angle to your sheet winches doesn't change when you adjust your genoa/jib car for trim or for different sized headsails. It would add a bit of friction drag, though.

Ron

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post #5 of 18 Old 01-27-2011 Thread Starter
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jib lines

Still not sure how I'd use them. I have an asymmetrical spinnaker (blue) that I run through turning blocks at the stern. The 135 genoa (green) I run through a block on the track then back through a snatch block just behind the winch (black). I've never flown my storm sail (red) but it clips onto the rolled up genoa so both sails cannot be flying at the same time. I have blocks that screw into the side decks inside the standing rigging for those lines.

But I still have the bombproof "fender attachment" cars on the track (purple). I could put a snatch block through there but what would use it? Perhaps it is left over from a sail that the previous owner(s) had?

By the way: my graphic belongs to me. You may repost it only with appropriate credit

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Chris


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Just curious, do you have any cars that look like this on your genoa tracks?


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post #7 of 18 Old 01-27-2011 Thread Starter
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Quote:
Originally Posted by sailingdog View Post
Just curious, do you have any cars that look like this on your genoa tracks?

I have something that looks exactly like that. It is the green rectangle on my diagram (can't you tell). I use those for the jib sheets. BTW, all of the hardware shown on the diagram is permanent mounting.


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post #8 of 18 Old 01-28-2011
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You can put a small block on those and use them as tweakers/twings for your kite.

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Quote:
Originally Posted by zz4gta View Post
You can put a small block on those and use them as tweakers/twings for your kite.
Given the diagram, that's probably what the PO was using them for.

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post #10 of 18 Old 01-28-2011
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Preventer?

Maybe these were used as the attachment point for the vang being used as a preventer of sorts for downwind sailing. (Or in that same vein, and perhaps a bit more proper, if you attach a snatch block to them a preveter line may have been run from the boom through those blocks forward to a block on the bow and back to the cockpit.)
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