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Old 09-16-2013, 09:07 PM   #1
gots2no
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Home made speed shifter

Well, I finally put my electronics knowledge and spare parts to good use. Just finished designing, manufacturing, installing, and testing a speed shifter for my ZX6E. Didn't have to buy anything, just spare components I had lying around.

Not pictured is a control to adjust the ignition kill time while riding. It works great although I only tested it to 6K tonight. Have to get away from the main roads, probably wait till next trackday at MSRH to adjust it for 10-11K shift point, but it is awesome. I've never ridden a bike with a power shifter.
My kill time is adjustable from 8-100 mS. I believe the standard is around 40 mS.

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Last edited by gots2no; 09-16-2013 at 09:08 PM. Reason: Picture upload
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Old 09-16-2013, 09:13 PM   #2
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Nice work.
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Old 09-16-2013, 09:57 PM   #3
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What are you interfacing with to kill the ignition?
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Old 09-16-2013, 10:06 PM   #4
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Very nice.
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Old 09-16-2013, 10:30 PM   #5
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Quote:
Originally Posted by Tiller View Post
What are you interfacing with to kill the ignition?
The output of my circuit is an open collector NPN transistor that shorts out the pickup coil that drives the electronic ignition. That way, I don't have to worry about the higher currents associated with the ignition coils.
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Old 09-19-2013, 02:55 PM   #6
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Way cool. Out of curiousity what is your occupation by trade?
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Old 09-19-2013, 02:59 PM   #7
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If the kill is long enough to smoothly shift at 6k you are good to go. It takes less kill times the higher you are in the rev range and the higher gears. 1-2 shift needs the longest kill time
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Old 09-19-2013, 03:11 PM   #8
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Is this just a kill for the motor or does it also aid in the shift movement?
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Old 09-19-2013, 03:25 PM   #9
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Outstanding! I dig self made stuff
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Old 09-19-2013, 03:42 PM   #10
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Quote:
Originally Posted by GABRIEL View Post
Is this just a kill for the motor or does it also aid in the shift movement?
Its just killing ignition to unload the trans and allow a smooth clutch less shift
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Old 09-19-2013, 03:45 PM   #11
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Does that magnet manage to still make contact through all gears?
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Old 09-19-2013, 04:24 PM   #12
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Quote:
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Its just killing ignition to unload the trans and allow a smooth clutch less shift
Thats what I thought.
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Old 09-19-2013, 04:44 PM   #13
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Pretty cool DIY.
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Old 09-19-2013, 06:30 PM   #14
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Wow!! That's awesome work!!!
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Old 11-05-2013, 01:32 PM   #15
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wow. really cool stuff.
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Old 03-16-2014, 04:42 PM   #16
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User is banned

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Old 03-16-2014, 05:37 PM   #17
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User is banned

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Old 03-16-2014, 06:20 PM   #18
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Old post is old. If the OP is still around, how come you used two 555's?
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