Tuesday, January 24, 2012

Nichrome wire - With ejection timer Test

I just received 250ft of 40guage nichrome wire. Cost was 11 bucks from Jacobs Online.
The second photo shows how thin the wire is, look for a hair like object to in front of the coil.
This will be used in my deployment system.


First Tests:

My first 6 or so tests failed. The nichrome did not ignite the kno3/sucrose at all! In fact, it actually ignited it whenever it wasn't confined in the ignitor. I cannot explain why that was so. I tried it with BP and the result was similar. I could smell the sulphur but no ignition. I then went and get a newer 9V battery to do the test. I recorded the result below:


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