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Mistral Mast Track 1989 Plus: Repair and Maintenance

Back in 1989, Mistral invented one of the better adjustable Mast Tracks on the market, can be seen in image 1. It allowed for easy adjustment for Mast base position on the fly, allowing you to get a leg up on the competition while racing. To this day, you are able to find Windsurfing races where these boards are still the top competitors in the longboard class. Boards such as the Mistral One Design, Mistral Superlight, and Mistral Equipe are crazy awesome boards when it comes to racing. On the other hand, finding parts for these boards isn’t the easiest task at hand. Luckily, Wind Power is here to help. We offer many replacement parts for your older Mistral Board. Link to Mistral Manufacturer page.

Image 1: Mistral Mast Track 1989 Plus

Over time these tracks acquire dirt and debris which is harmful for both the guideline and car/car pulleys. Along with this issue, these tracks have been known to have broken pedals, rusted pedal pins, worn guidelines, and broken line grippers. Wind Power has begun to produce customized parts that are able to replace many commonly broken parts on your Mistral mast track. Also, Wind Power has produced a great instructional video that goes through each process and explains the tracks in great detail. The link to that video can be found here. Today we will be discussing how these mast tracks work and provide some insight on what works well for repairing your Mistral Mast Track, we will be referencing our video to do so.

When you suspect that your Mistral mast track is beginning to wear and become a problem we suggest to remove and replace parts that may be an issue. The last thing you want while ripping on your Mistral board is to break a crucial piece to the mast track. This can cause many issues while racing or casual riding. First you will need to remove the track from the board to replace any parts. This is an easy process, all that is needed is a Philips screwdriver. Remove the screws that are holding the track in place. If the track is wedged into the board, take a Flathead screwdriver and place your hand or a piece of wood on the board and gently pry the track out of the board.

Now that your Mistral mast track is removed from the board, you are able to take a closer look at how everything is working here. First we will explain the spring gripper system. If you lift the pedal to the upward position you will expose the line grippers and springs. In the combined image 2 below, you can see how the line grippers and springs along with how the guideline wraps around the pulley below the springs. How this system works is simple. When the springs are resting they are applying direct pressure to the grippers which are pressed down onto the guideline. When the pedal is pressed down this compresses the springs and allows the guideline to move freely, this line is a continuous loop that is attached to the mast track car.

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Image 2: Exposed springs and line grippers (left) Guideline around pulley, and springs (right)

The guideline is able to move freely through the track by the use of pulleys. This is shown in image 3 below. These pulleys can be a problem sometimes when sand or debris enters this system jamming the pulleys. If this is the case, remove the pulleys and replace them while applying dry silicone spray. Always apply dry silicone to any move plastic parts in the track, this allows for a longer life cycle and prevents increased friction. Reference our video here for a step by step guide to removing all components of your Mistral mast track.

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Image 3: Pulley system and gripper/springs

Since this system uses spring tension to lock the car into position, certain spring pressure is needed. What I mean by this is, the two springs that are placed into the track provide two different pressures. This is marked by the spring color, so it is essential that you place the correct color spring in its original place when assembling the track. On our video you can see that the red spring is located on the right side of the system. This is shown in image 4 located below. Kevin reiterates this by saying “Red on the Right”.

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Image 4: Red Spring on the Right, Natural Colored Spring on the Left

One last function of the gripper system that is unnoticed usually is the eccentric that is located between the springs. The eccentric is shown in image 5 located below. This eccentric is used to adjust the tension of the guideline, it is primarily used when replacing the guideline. There are only two settings to the eccentric since the spring lock needs to be in place to lock the springs into their respected places. This is shown in image 6 located below. 

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     Image 5: Eccentric Pulled from System                                                                                               Image 6: Eccentric Maxed Out (Left) Eccentric Min (Right)

There you have it, that is how the Mistral mast track works and a few additional notes of insight. Don’t forget to check out our video for a great visual on how everything works. If any additional questions or concerns arise through your process, don’t hesitate to contact us any time. Let’s keep these great longboards on the water and in the race circuit!

If you have any further questions regarding anything to do with Windsurfing don’t hesitate to contact us! We’re here to serve your water sport needs.

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