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Michaels Sonex #145 log
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Date: 9-5-2010
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Number of Hours: 3.50
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Manual Reference: T02-02
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Brief Description: Priming parts
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Primed all the parts of the H-Stab skeleton. I've decided to use a Tempo zinc phosphate primer with a PreKote base. This is different from my initial strategy which was a zinc chromate primer with an alodine base. I did already buy 500g of alodine 1200S but after reading about the toxicity of these chromate based products and the hassle of disposing of the stuff when you're done with it, I decided to use a more environmental (and builder-) friendly option. Here's the process, clean all the ink off the parts with acetone, clean the parts with dishwashing detergent, dry, apply the PreKote and scrub in with a scotchbrite pad, apply PreKote again before the first layer dries, rinse with water before second layer of Prekote dries, dry, prime within 24h. The PreKote process is quite time consuming but still better then the alodine option which requires 2 more steps. I think I might have been a bit too generous with my primer (which comes in rattle cans) but I hear that's a common mistake, by the time I got to the last parts I got the hang of it and applied a lighter coat. Now it's a matter of letting the parts dry and then I'll be pulling my very first rivets of the project, exiting!
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