not sure if this was a typo or not.. but your metric speed caclulation on the side of the calculator looks abit strange.
it should be meters not yards.
anyway great job.
I used to use a printed version of wazoo's on stock paper. But since his didn't have a relative bearing dial (only had 2 dials), I made a 3rd dial for it by shrikning the original top dial to fit inside it.
p.s. i've decided im going to make it like you did when i get some spare time.
how much is a sheet of plastic? and 5mm looks abit thick from your photo, but it could just be the photo adding a few pounds to it hehe
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