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Thanks Rob. It is turning out good so far. Very impressive to see in person for sure. Sorry you can't make Subfest. Once I get the mechanical fit and function of the hull sorted out there will be a significant amount of sanding and filling to do mainly because of its size but it will come together. Last year at Subfest I had my Thresher with nothing more than primer on it and now it's done.
Seawolf runs split stern planes in a tips and flaps configuration. The inners are the smaller flaps like the original and with the outers, the whole tip of the chord rotated. The Trumpeter model in
s inaccurate in that the planes go full length.
Seawolf runs split stern planes in a tips and flaps configuration. The inners are the smaller flaps like the original and with the outers, the whole tip of the chord rotated. The Trumpeter model in
s inaccurate in that the planes go full length.
Good to know. Not quite sure I am following you though. Do you mean like this or something different?
Thank you for the diagram. That is what I thought you meant but something in my brain was saying NO! For real?!? Did the flap and the tip work in unison?
As far as I know, yes. I never got to drive a Seawolf, so I am not familiar with if they could be operated independently or not. I suspect they are similar to how the split planes work on a Virginia.
Are the flap and the tip actuated separately? Do they move differently?
I don't know this for sure. But, if you want to dampen out foil-roll and snap-roll induced banking (sexy looking but a big ship control issue), differential use of those outboards would be of some assistance, even though their moment arms are short. Such use would put a hell of a 'knuckle' in the water -- so much for stealth.
The newer ship control systems could handle it, but i do know that the dihedral surfaces do dampen out the roll and snap phenomena so no need to operate the split planes as such.
David, did you use a single pivot rod for the surfaces or two? I see what looks like both ways in your pics. The finished model has two but one pic of the raw parts appears to show just one and a support 'tooth' or whatever it's called extending from the fixed horizontal plane?
David, did you use a single pivot rod for the surfaces or two? I see what looks like both ways in your pics. The finished model has two but one pic of the raw parts appears to show just one and a support 'tooth' or whatever it's called extending from the fixed horizontal plane?
You're spot on, sir. The larger 1/96 model had the room for independently operated stern planes -- one set inboard, the other set the full-flying outboards, each set with their own operating shafts. The smaller 1/144 model only had room for a simplified arrangement which ganged the inboard and outboard control surfaces on a single operating shaft -- a cheat.
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