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Hi Alan. I have a big vertical fin on the sub. Check out the new pictures
on the psub site. Go to "projects" and find Frank on the left.
I wonder if that fin will make it "snap roll" at all. I added that fin
because when I was testing the model it was unstable and wobbled when the speed
got higher. After I added the fin it stayed level much better.
As I was explaining to Vance, that model testing involved having the model
attached to a string so it really doesn't perform like it would when providing
it's own thrust. Still, the fin did add stability.
Frank D.
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