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Thread: What to do with my Unicorn

  1. #11
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    Quote Originally Posted by abhijeet080808 View Post
    @ dream horse - Recieved your PM. Here is the reply.

    The speedo on the unicorn is analog one - it uses a steel wire connected to a mechanical device (the speedometer) to display the speed. This steel wire rotates along with the wheel and this rotation is transmitted up to the speedo which displays speed by moving the needle accordingly. So as you see this is a totally mechanical device.

    Now, in case of an electrical speedo as in case of the RTR, there are two seperate devices. The wheel sensor detects wheel rotation and generates an electrical signal. This signal is fed to the speedo which displays the speed on the LCD.

    If you want to convert the speedo on the unicorn, you will need to feed a digital signal to the RTR speedo. From where will you get this signal as the unicorn which uses an analog speedo and does not generate this signal? You will need the apache wheel sensor. Now that wheel sensor will not fit on the unicorn and even if it fits, will be calbrated for 17'' wheels and not 18'' as on your bike.

    If you can solve this problem, then, other things are simple.

    In short, it is impossible unless you get the required knowledge.
    i can fetch a 18" digital speedo cable to transfer digital output

    source: Suzuki GS150R which as same set up as uni 18" wheels but the only thing need to be seen is that rtr speedo should support the gs cable

    leave aside the speedo prob which can be sorted out to my concern

    the other thing like tacho, fuel gauge, ignition, tell tale lights, etc

    will the present sensor & wiring system (both fuel & tacho) will support the digital speedo......... thats my concern....... which worries me a lot

    i searched for many data regarding wiring sys for analog & digital.

    but the fig are present only for the construction of digi speedo..............

    i can test but rather than burning my finger any putting bike in a catastrophic situation i can search for the details until i can test with guts & without any big disasters.................

  2. #12
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    Quote Originally Posted by dream horse View Post
    i can fetch a 18" digital speedo cable to transfer digital output

    source: Suzuki GS150R which as same set up as uni 18" wheels but the only thing need to be seen is that rtr speedo should support the gs cable

    leave aside the speedo prob which can be sorted out to my concern

    the other thing like tacho, fuel gauge, ignition, tell tale lights, etc

    will the present sensor & wiring system (both fuel & tacho) will support the digital speedo......... thats my concern....... which worries me a lot

    i searched for many data regarding wiring sys for analog & digital.

    but the fig are present only for the construction of digi speedo..............

    i can test but rather than burning my finger any putting bike in a catastrophic situation i can search for the details until i can test with guts & without any big disasters.................
    Can the GS150 wheel hub speed sensor be fitted on the Unicorn? The speedo cable is ok but the wheel hall sensor at the front wheel hub must be present to generate the signal. What will you do about that?

    Tacho should be supported. Almost guaranteed. All ignition systems use similar signals. About the fuel sensor, maybe the resistance values of fuel sensor at the tank will differ for both bikes and so you will need to add extra resistance in series or parallel with the fuel sensor in the tank.
    So, even that is do-able. Atleast you will get a partially functioning fuel gauge in case of resistance mismatch.

  3. #13
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    Quote Originally Posted by abhijeet080808 View Post
    Can the GS150 wheel hub speed sensor be fitted on the Unicorn?
    The GS150 doesn't seem to have one. I guess the speed is calculated from the front sprocket or the crank...

  4. #14
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    Default Speedo

    Quote Originally Posted by dream horse View Post
    i can fetch a 18" digital speedo cable to transfer digital output

    source: Suzuki gs150r which as same set up as uni 18" wheels but the only thing need to be seen is that rtr speedo should support the gs cable

    leave aside the speedo prob which can be sorted out to my concern

    the other thing like tacho, fuel gauge, ignition, tell tale lights, etc

    will the present sensor & wiring system (both fuel & tacho) will support the digital speedo......... Thats my concern....... Which worries me a lot

    i searched for many data regarding wiring sys for analog & digital.

    But the fig are present only for the construction of digi speedo..............

    I can test but rather than burning my finger any putting bike in a catastrophic situation i can search for the details until i can test with guts & without any big disasters.................
    hi dude,in one of the electronics for you,there is a circuit for making a digital speedo and tacho meter.
    The programs need to be burned into the microcontroller within the circuit provided.the overall cost will be,i think less than rs.1000/-

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    Quote Originally Posted by HydBiker View Post
    The GS150 doesn't seem to have one. I guess the speed is calculated from the front sprocket or the crank...
    ya u r right i too searched the same in my friends bike.

    i thought i can take the cable from GS150R & use it.........hmmmmmmmmmm.............

    every thing gone in air like hair........................

    fine i will find some way to sort it out..........

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    Quote Originally Posted by roshanvallappillil View Post
    hi dude,in one of the electronics for you,there is a circuit for making a digital speedo and tacho meter.
    The programs need to be burned into the microcontroller within the circuit provided.the overall cost will be,i think less than rs.1000/-
    man unable to understand

    wat program is it.......wat is the use of it.............

    i do not have a digi speedo & i am thinking of adopting one..................

    will this program solve the measurement of speedo i mean no need of cable calibration from 17 to 18"................

  7. #17
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    Default help!!!!!!!!!!!! help!!!!!!!!!!!!!!!!!

    hi all there i required a help.............

    i fitted a disc in my uni which is 2 yrs old & bored out the cyl to get some extra cc.

    the braking is improved but the heat generated is enormous not only the disc but the wheels too getting heated up (alloy)

    after boring the valve started to ping frequently i can hear the valve noise very audibly.

    im confused pl help

    what will be the cause for valve noise & heating up of wheels........

  8. #18
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    Quote Originally Posted by dream horse View Post
    i can fetch a 18" digital speedo cable to transfer digital output

    source: Suzuki GS150R which as same set up as uni 18" wheels but the only thing need to be seen is that rtr speedo should support the gs cable

    leave aside the speedo prob which can be sorted out to my concern

    the other thing like tacho, fuel gauge, ignition, tell tale lights, etc

    will the present sensor & wiring system (both fuel & tacho) will support the digital speedo......... thats my concern....... which worries me a lot

    i searched for many data regarding wiring sys for analog & digital.

    but the fig are present only for the construction of digi speedo..............

    i can test but rather than burning my finger any putting bike in a catastrophic situation i can search for the details until i can test with guts & without any big disasters.................

    I don't think Tacho should be a problem as its not digital !!!

    Fuel gauge is never accurate so can take a risk not a deal, even the stock.

    But coming to speedo, whether changing front wheels to 17" of Apache solve the problem.. Will it give the right speed??
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    s of-course......by changing the front wheel u can get the speedo reading accurately.....


    but the prob is with electrical........

    how u power the lcd back lit?

    power to lcd to show details?

    tell tale lights?

    see the power for the digital speedo requires many wiring changes coz the power & the wiring gauge rating changes for analog & digital.......

    now the question is struck here abt wiring change required for digital will differs from analog one........

    the thing i noticed is the socket's for all the analog & digital will vary accordingly every thing changes...........

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    Default hi

    Quote Originally Posted by dream horse View Post
    s of-course......by changing the front wheel u can get the speedo reading accurately.....


    but the prob is with electrical........

    how u power the lcd back lit?

    power to lcd to show details?

    tell tale lights?

    see the power for the digital speedo requires many wiring changes coz the power & the wiring gauge rating changes for analog & digital.......

    now the question is struck here abt wiring change required for digital will differs from analog one........

    the thing i noticed is the socket's for all the analog & digital will vary accordingly every thing changes...........

    hello friend,if u wanna install a digital speedometer cum odometer,you can design one yourself,as I have told.There is the details in electronics for u...An LCD module has the 15 and 16th pins for back light and contrast.

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