09-20-2018, 08:58 AM | #16 |
Join Date: May 2016
Posts: 237
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was there supposed to be a picture in that post?
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09-20-2018, 09:04 AM | #17 |
Join Date: Jul 2018
Posts: 212
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For the previous post? Yes, there are 2 photos there...if you connect to the Internet via a proxy, etc., there's a slight chance those images are being blocked since I posted them using a free image hosting service.
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2018 RPS Hawk 250cc Mods so far: 1. Mikuni VM26 Carburetor w/#115 main jet 2. 17T/45T JT sprockets 3. JT 428 X-ring chain 4. Air box mod 5. Hawk Digital Cluster 6. Aftermarket IMS shift lever 7. Performance Aftermarket Exhaust 8. 295mm Nitrogen Gas Monoshock, 20W oil front forks |
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09-20-2018, 07:43 PM | #18 | |
Join Date: May 2016
Posts: 237
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whoa! Well we know it can take 12v on the signal wire without damage. |
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09-20-2018, 11:26 PM | #19 | |
Join Date: Jul 2018
Posts: 212
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Quote:
Yeah I was kinda surprised the tach wasn't at least showing some weird behavior with 12V going into it. You'd think it would've lit up a little brighter.
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2018 RPS Hawk 250cc Mods so far: 1. Mikuni VM26 Carburetor w/#115 main jet 2. 17T/45T JT sprockets 3. JT 428 X-ring chain 4. Air box mod 5. Hawk Digital Cluster 6. Aftermarket IMS shift lever 7. Performance Aftermarket Exhaust 8. 295mm Nitrogen Gas Monoshock, 20W oil front forks |
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10-09-2018, 04:47 PM | #20 | |
Join Date: May 2016
Posts: 237
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Quote:
I attached the blue and white wire to a charging leg "pre regulator" through a diode and the tach fires right up, its reading x2 though, I believe because there are 2 charging pulses per ignition pulse. What that tells us is the tach will trigger at varying voltages. I tested the charge tap first and saw a big range from 3-5volts up to say 17v ac. Thay have to consider inductive kick and the like with rpm gauges. When I build my first FI Computer "megasquirt 1" for my 69 spider I used a zeener diode to protect the circutry from the inductive kick of the old school direct connect to coil. Something like that would be cheap insurance for a tachometer. Anyone know if the cluster can be configured for different cylinder counts? Id love to get the tach in line with the actual rpm. |
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