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JoeNelsens Web Site
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Date: 11-17-2013
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Number of Hours: 6.00
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Manual Reference:
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Brief Description: wingtip lights wigwag
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1--- Now before anyone gets upset(?) with me for not buying one of these things for too much money, just please understand that I do have an extensive background in electrical and electronic construction, as I am a life long Ham operator...and a cheap one at that! Now with that said, I have been also accused by my 'CFO' of being a packrat...er collector of things usually tossed out. Alas, so I am. But, now I can and do put some of those skills to work. This is an example of those skills. Dam if it didnt work fine!!
This pictures just show the layout of the board used to hold the circuit I designed. It has 4 resistors, 3 capacitors, 4 transistors and some wire on the back side. When I was finished, I covered all components with hot melt glue, front and back, to secure the items against vibrations inherant in aviation. Seems to work fine for me!
2---The interior of the former Wieand(?) strobe powersupply box. One will see that I had to add a heat sink to a couple of the transistors. They began to get warm when given a 6 hour life test prior to the glue job. I had thought of putting a varriable rate control on the circuit, but decided against it as a falilure point. Better to have it work well at a fixed rate (half second wig, half second wag) than not at all.
3-- The final product, ready for mount9ing somewhere below the seat? the instrument pannel switch is on the RH side in front of the passenger. It will be able to be stready on, or wigwag.
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WIG-WAG controller
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Interior of box
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Finished item
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