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Ramp Grinding

Ramp Grinding. Desired Outcome. Blackjack Racing 2012. Ski-doo clutch operation. Typical Practice Day x 10?. Typical Practice Day Results. Typical available parts to choose from. Picture of parts to choose. Problem. Don’t have a perfect part. Grind our own ramps. How to grind it?.

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Ramp Grinding

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  1. RampGrinding

  2. Desired Outcome

  3. Blackjack Racing 2012

  4. Ski-doo clutch operation

  5. Typical Practice Day x 10?

  6. Typical Practice Day Results

  7. Typical available parts to choose from • Picture of parts to choose

  8. Problem Don’t have a perfect part

  9. Grind our own ramps How to grind it? Where and how much to grind? • What tool to use • Very limited resources on line • Some of the information is secretive • “You will screw it up” • “You will ruin a lot of sets”

  10. Resources Tool: Stefans Project Consulting Junk store in Grand Forks Myrdal Orthepedic Technologies Econo Abrasives Where to grind Ski-doo race manuals Garth Race tech from Blair Morgan race team Branko Hotrod sled shop Dean Klatt –Ski-doo racer FAST training video on Ski-doo clutching Gils Engineering

  11. Spindle sander

  12. Where to grind End result

  13. Twomaingoals • Modify the engagement • Modify how hard we load the motor during part of the shift

  14. Major clutch components

  15. Engagement Modification

  16. Modification of part of the ramp

  17. Progress • Will be able to grind a engagement notch • Will be able to tell where the roller sits on the ramp • Can grind a nice smooth profile • May finish one or two sets • Will modify some one small step a time

  18. Reflection • Not happy with sanding discs available • Sort of need a track dyno • Can’t tell till we get on the track • Research is never finished

  19. Final Reflection

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