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STACK Dash-2 Kart Logger

5. Using the Dash-2 Charts

Users Guide

25

Steering

This chart displays the wheel speed, the movement
of the steering wheel, and the lateral g-force.

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Summary of Contents for Dash-2

Page 1: ...ST542038 002 Dash 2 Dash 2 Kart Logger Kart Logger Models Models ST8201 ST8201 ST8202 ST8202 ST8203 ST8203 ST8204 ST8204 User Guide User Guide...

Page 2: ......

Page 3: ...pments from STACK Purpose of this manual This manual will help you install and use the Dash 2 Kart Logger It explains how to set up and configure the system for your kart Edition Notice This edition i...

Page 4: ...metry Systems Display and Analysis Software Who to Contact at STACK in Case of Difficulty STACK and its approved distributors provide a comprehensive Technical Help service to assist with your enquiri...

Page 5: ...y Module 5 Wiring Harness 5 Connecting the Components 6 3 Operating the Dash 2 Kart Logger 7 Switches 7 Warning lights 8 Changing the display layers 8 Peak Values Tell Tales 11 Lap times 13 Gear shift...

Page 6: ...e sensor 30 Fitting the Wheel speed sensor 31 Fitting the Throttle or Brake Position Sensors 31 Fitting the Steering Position Sensor 33 Fitting the Cylinder Head Temperature sensor 34 Fitting the Exha...

Page 7: ...speeds display option 13 Performance Meter option You can view the peak values tell tales for all the parameters except lateral g steering throttle and brake The system provides a range of warning me...

Page 8: ...an then read Section 3 and practice using its functions Section 4 takes you through configuring it for your kart Section 5 describes the graphs and charts available Section 6 explains how to install i...

Page 9: ...splay in Composite Housing with built in G sensor 1 1 1 Wiring Harness ST872 1 1 1 1 RPM Sensor ST696 ST697 H T Pick up 1 1 1 1 Wheel Speed Sensor with magnets ST669 1 1 1 1 PCNIU Interface 1 1 1 1 In...

Page 10: ...2 volt battery for laptime transmitter IBM compatible Personal Computer PC Description Cylinder Head Temperature Sensor ST758 Exhaust Gas Temperature Sensor ST759 Water Temperature Sensor ST760 1 2 4...

Page 11: ...his manual is just an example The Display Module is connected to the sensors by a wiring harness The wiring harness has a 19 way military connector for connection to the Display Module Wiring Harness...

Page 12: ...the wiring harness as listed above 2 Insert a charged 9 6v battery pack into the battery tray on the rear of the Dash 2 Kart Logger and connect the white power connections 3 Switch the unit on by mea...

Page 13: ...hold switch 1 to show the recorded peaks Press switch 2 to change the display layer This is the only switch the driver needs to use when driving the kart Switches 3 and 4 are used for manual control o...

Page 14: ...out the engine running then the display will show the message This ensures security of your laptime information Press switch 2 to return the system to the normal display format Warning lights The Dash...

Page 15: ...see display layer 2 Display Layer 2 Temperatures Wheel Speed Speed 101 Laptime 0 48 76 Cylinder Head Temperature CHT 250 2 Exhaust Gas Temperature EGT 675 3 Press Switch 2 to change display to layer...

Page 16: ...p to the previous best lap The performance meter displays a bar growing either to the right or to the left showing the time gained or lost against your previous best lap When the bar goes toward the r...

Page 17: ...eak values This is to prevent abnormal peak values from being recorded when for example the engine is either not running is idling or is being warmed up The system stores either a maximum or a minimum...

Page 18: ...displayed Alarms The Dash 2 Kart Logger has built in warnings to alert the driver when certain parameters either exceed or fall below their alarm values You can adjust the preset alarm levels when you...

Page 19: ...0 0 seconds either when triggered by passing the lap time beacon or on pressing switch 4 The most recent lap time is held in display layers1 2 Press Switch 2 to select these display layers Display lay...

Page 20: ...art Logger STACK Dash 2 Kart Logger 14 Users Guide Gear shift light The gear shift light comes on when the engine RPM exceeds a predefined value See Configuring the Dash 2 Kart Logger for information...

Page 21: ...the units of measurement indicated TEMPERATURE SENSOR SELECT Select Temperature Sensor from CHT EGT or WATER HIGH CHT or WATER Maximum cylinder head or water temperature alarm HIGH EGT Maximum exhaus...

Page 22: ...is fitted on the rear axle use the size of the left wheel for clockwise tracks and the right wheel for anti clockwise tracks Sensor Selection Once the option window appears use switches 1 and 2 to se...

Page 23: ...idth The width of the performance meter bar display in seconds Accel Limit Maximum expected acceleration Decel Limit Maximum expected deceleration or braking force Switching Alarms on or off You can e...

Page 24: ...ash 2 It is useful for checking that the sensors are working correctly and if you zoom out to a run view all of the lap markers can be seen All Channels Full This chart displays all the channels in a...

Page 25: ...en i e on the straight If EGT drops while CHT increases it indicates the onset of preignition caused by the mixture being too weak EGT holding level is what to aim for but EGT increasing is safer Corn...

Page 26: ...n the brake Feathering the throttle in flat out corners Often the driver will honestly not realise it is happening Dragging the brake Driver Compare This chart displays wheel speed steering throttle b...

Page 27: ...ers Guide 21 EGT CHT This chart displays speed RPM CHT EGT and throttle Generally temperature charts are most useful viewed over a complete run EGT Water Temperature Watercooled karts will use this ch...

Page 28: ...conditions chassis setup and tyres Gear Ratio This chart displays wheel speed engine speed and gear ratio The ratio trace gives a very clear indication of wheelspin and lockup under braking The trace...

Page 29: ...time taken to complete a whole lap of the track at any point on the circuit The usefulness of this is that seldom do you achieve your best times measured from the start line Interesting features of th...

Page 30: ...chart displays wheel speed speed difference and timeline Refer to the Data Analysis Software User Guide for a detailed description of the timeline With this chart you can easily separate differences i...

Page 31: ...STACK Dash 2 Kart Logger 5 Using the Dash 2 Charts Users Guide 25 Steering This chart displays the wheel speed the movement of the steering wheel and the lateral g force...

Page 32: ...Procedure 1 Cut holes in the sides of the panel to allow the infrared receiver to see the trackside beacon and to allow the download cable to be attached Drill two 6mm clearance holes in the face of...

Page 33: ...le locations for the sensors that you are installing you should not need to extend any of the individual wires Fitting the wiring When fitting the sensors on the kart you should observe the following...

Page 34: ...al has passed through the interface board located approximately 30 cm 12 in from the connector The engine kill switch and wiring also carries the interference and the same rules apply to it The best w...

Page 35: ...the plug lead Attach to the ignition lead with the spring clip If the cable is too long you may shorten it by removing the spring clip and cutting a piece off 3 In the event that the display shows po...

Page 36: ...read The ST762 temperature sensor has an M10 x 1 thread UK EC versions The ST764 temperature sensor has two terminals and a 1 8 NPTF thread U S version If you find that you have a sensor with an incor...

Page 37: ...single magnet to the flat inner rim of a wheel normally one of the front wheels with the unmarked end of the magnet against the wheel rim and the red end of the magnet clearly visible once the magnet...

Page 38: ...s through the floor of the kart and the holes in the sensor keeping the bolt heads on the underside of the floor Fit and tighten the supplied locknuts onto the bolts Using the length of cable supplied...

Page 39: ...eering column support Make a double loop around the steering column with the long O ring supplied 3 Re attach the steering column and steering wheel 1 Fit the sensor L bracket by means of the Steering...

Page 40: ...e sensor firmly against the cylinder head Procedure 1 Remove the sparking plug lead and remove the spark plug 2 Position sensor with the stepped base into the plug seat It may be necessary to remove t...

Page 41: ...The sensor requires clamping in place by means of the compression gland fitting supplied Procedure 1 Braze the gland in place to provide sensor support and exhaust system sealing 2 Assemble the senso...

Page 42: ...gher specification than those normally encountered in stores A fully charged battery pack will run a Dash 2 for about 1 hours It is a good idea to turn the system off when not in use to save the batte...

Page 43: ...re the unit is to be used for lengthy periods in very hot sunny conditions it should be protected by shading it from direct sunlight Do not allow water to be sprayed onto the transmitter lenses During...

Page 44: ...wer connection is faulty Check power lead continuity Display gives a fixed temperature reading Temperature sensor has failed Replace sensor Disconnect sensor Faulty sensor connections Check continuity...

Page 45: ...ct the 12 battery Check that the green light comes on Beacon is too close to other transmitters Ensure it is 4m away from other beacons Beacon not aligned correctly Check that it is pointed directly a...

Page 46: ...speed display on Layer 2 Incorrect sensor gap Check that the gap is approximately 2 mm Speed reading dies after a short time Ambient temperature too high Shield the sensor from radiated heat from bra...

Page 47: ...her produce waste sparks giving double the number of cylinders per revolution Ignition system pulses per revolution not same as number of cylinders Reconfigure system to correct number of pulses per r...

Page 48: ...xhaust Gas Temperature sensor ST940001 Spare gland for EGT sensor ST760 Water Temperature sensor 1 8 BSP ST761 Water Temperature sensor M14 ST762 Water Temperature sensor M10 ST764 Water Temperature s...

Page 49: ...r Switch 4 Reset Peak Values Switches 1 4 together Reset lap count and lap time to zero Switches 1 4 together Put system into configuration mode Switches 1 2 together System Configuration Mode Functio...

Page 50: ......

Page 51: ...e 26 Steering 27 CHT display 9 sensor fitting 37 CHT sensor wiring label 5 Clearing alarms 13 Configurable parameters 15 Configuring the display system 15 Corner Speed option 4 Corner speeds 10 Digita...

Page 52: ...g the peak values 12 RPM gate value 11 13 shift light 15 Shift light 16 Standard components 3 Steering sensor fitting 35 Steering sensor wiring label 5 Switches 7 summary of functions 49 Switching the...

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