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G324B

Loading calculators, spec charts, and other basic information is available in the Product Support section. Installing a new traveler system is a big project, so if you have any questions, don't hesitate to contact Harken Technical Service to make sure you're on the right track.

Genoa Lead Q&A

8/19/2013

A good genoa lead system will make you faster around the course or on your journey. A ball bearing system is usually the best solution. Cars roll smoothly even while loaded and pinstop hole spacing doesn't matter; you can fine-tune cars to any position on the track. While T-track systems are not as smooth or adjustable as ball bearing cars, they are sometimes appropriate for the #3 genoa, a small, flat sail that doesn't require adjusting.

General Information

How do I size my genoa car? 
Genoa car size is determined by sail area and sheet load. See the Genoa Lead System Size Selection for lead car size range for the #1, #2, and #3 genoa based on typical sail area.

See Block Loading vs Angle of Deflection and Genoa System Loading to size for different deflection angles and wind speeds.

For common genoa lead configurations: Genoa Lead Car Systems.

Don't hesitate to contact HarkenTech Service with questions.

Why should I use ball bearing genoa leads over pinstop type leads?
Pinstop leads can only be adjusted on the unloaded side of the boat which means you can't adjust the genoa unless you tack.

A ball bearing system lets you:

  1. Take advantage of changing wind and sea conditions to immediately adjust sail shape and keep the boat moving fast.
  2. Coming out of a tack, adjustable genoa leads allow the trimmer to ease the car to power up the boat, then gradually pull it aft to the correct adjustment for optimal sail shape and speed.
  3. Allows you to work in concert with the crew to help trim up the boat when the helm is overpowered.

What should be the Maximum Working Load (MWL) of the parts I choose?
To maintain a high safety factor, the genoa car's specified Maximum Working Load must be greater than the maximum load you expect to experience. The car will be under considerable load when you move it in a strong breeze, which is when you really need the car to work well, so many sailors prefer to use a higher load car than what is absolutely necessary. Use the calculators to determine your working loads.

Delrin/Torlon Ball BearingsHow do I tell whether I have Delrin® or Torlon® ball bearings in my traveler car?
Delrin® ball bearings are white or black and are designed for Small Boat and other light-load applications. Torlon® bearings are greenish-brown and are used in high-load cars.

How high are the loads in my genoa system?
Use the Genoa System Loading Calculator to determine the loads on your boat.The typical control line load you need to pull is about 30% of the lead car load when the car deflects the line 45° and 50% when deflected 60°.

Why should I use CB (captive ball) adjustable genoa lead cars?
If you are a cruiser, CB adjustable genoa lead cars with multipart purchases allow you to easily adjust loaded headsail leads from the cockpit. If you race, CB genoa leads let you quickly change the sheeting angle, adjusting the twist to optimize sail shape.

Modular Purchase Genoa Lead CarsHow do modular CB Genoa leads help me?
22 mm, 27 mm, & 32 mm cars and end controls come in up to 4:1 purchases, allowing you to choose or change your traveler's mechanical advantage. If you want to increase purchase, a Harken conversion kit contains everything you need to make that adjustment yourself.

Ball Bearing Track & T-Track

GT326S Pinstop Genoa LeadI don't want the hassle or expense of replacing my existing 32 mm T-Track. Will a Harken car fit?
Yes. We developed the GT326S genoa lead car for just this purpose.The car fits all 32 mm and 1-1/4 in T-Track including Antal, Ronstan, Schaefer, and Pfeiffer. We include plastic inserts in three sizes with the GT326S to ensure a correct fit. Note that T-Track genoa lead cars cannot be adjusted under load.

I'm planning an eventual upgrade to a ball bearing car. Will my pinstop genoa lead car fit my CB (Captive Ball) track?
Yes, non-CB cars will work on both CB track and non-CB track.

Can I put a ball bearing car on my T-Track?
No, ball bearings require special track to allow recirculation.

Controls & Purchase

 Genoa Trim AngleHow do I adjust my trim angle to improve boat speed?
Adjust your genoa car so the trim angle bisects luff length. This improves boat speed and vastly prolongs sail life by reducing leech flutter.

What role does friction play in travelers systems?

  1. If you don't use a car and traveler control line blocks with free-rolling ball bearing sheaves or very low-friction bushings, you will need more purchase to overcome friction.
  2. Using a line diameter that is too large for the sheave also causes friction and decreases effective purchase.
  3. A poor lead to the cockpit, such as one that fouls on a cam cleat, runs between two sheaves, or chafes against the traveler beam or other hardware, will add unnecessary friction. Check for these problems before buying a bigger block for a higher mechanical purchase.

What size line should I use for my traveler controls?
Small-diameter lines create the least friction, while large-diameter lines are easier to handle. You'll want the largest diameter line the sheave is designed to accommodate. Check your block's Max Line Diameter (Ø) specifications on the Harken website.

Maintenance

How do I take my classic non-CB traveler car off the track without losing the balls?
To prevent the balls from spilling out, use the blue car loader that came with the car. If misplaced, contact Technical or Customer Service and we'll send you a car loader as soon as possible. You can determine if you need a Small Boat, Midrange, or Big Boat loader by measuring the width of the track across the top; Small Boat is 22 mm (7/8"), Midrange is 27 mm  (1 1/16"), and Big Boat is 32 mm (1 1/4") wide.

How do I clean and maintain my cars and track?
Flush them frequently with freshwater. Occasionally squirt a detergent and water solution into the car's center openings and roll the car back and forth to distribute evenly. Flush the detergent out with fresh water. This maintenance is very important, particularly when the cars haven't been in use.

Frequently inspect shackles and control block fittings for signs of fatigue. Make sure every installation includes Harken track endstops and arrange the control tackle so cars do not hit endstops under load.

Be aware that using some teak cleaners and other caustic solutions can result in discoloration that is not covered under the Harken warranty. See the Harken catalog for full maintenance and warranty information.

Slider Cars
Use spray lubricants like McLube SailKote™ only on slider cars and slider track. Do not use with ball bearing cars.

CB Cars
Do not use spray lubricant because it will make ball bearings and ball bearing track so slippery that the balls will skid instead of roll. Use McLube OneDrop™ on traveler track to repel salt and dirt so ball bearing cars roll more smoothly.

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