Supercharged Camira..

Craig and Adam\’s attempt at adding an SC12 to a JE Camira wagon

DIY Inductive Pickup..

Posted by superchargedcamira on June 24, 2006

In an earlier post entitled Home Dyno, Adam mentioned the inductive pickup we made to record the spark pulses from the engine. I thought i would go into more detail on how to make one of these yourself.

Step 1: Get a piece of copper plumbing pipe (10mm copper pipe).. we were lucky as id just recently had some plumbing work done so there happened to be a piece lying around. Using a hacksaw, start cutting through the center, along the length of the pipe for about 3 cm. Now cut through the pipe so you are left with two halves of 3cm long copper.

Step 2: Take your two copper halves and place them around one of the high tension leads. Use a bit of electrical tape to hold them together. There must be contact between the two halves.

Step 3: Connect the positive lead of you cable to the copper pipe and tape up the lead. It is important that all the copper pipe and the lead are covered by the tape so the shielding we will add will not be in contact with the copper.

Step 4: Wrap the taped up copper pipe in aluminium foil. The foil acts as shielding to reduce the pickup generated by the other high tension leads.

Step 5: Connect the earth lead from the cable to the negative terminal on the battery.

Now all thats needed to record your spark pulses is a laptop or digital recorder.

Step 1 Step 1, part 2 Step 2 Step 3 Step 4 Step 5

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