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Ahh. The good old "ERB" (End of Runway Bomber).I think FlyboyJ has covered much of this in various posts. Tip Tanks can stabilize wing aerodynamics ..... if I understood him correctly.
Probably need to reinforce wings if you are going to place several hundred pounds of fuel on the tips.
And the F2H2 Banshee, if I remember right.The tip tanks' weight is only a problem when the aircraft is on the ground. In flight, they will reduce the bending moment on the wings.
As to the aerodynamics, tip tanks may reduce the induced drag enough to offset their form drag. They probably did so on the F-80 and the USN's F9F Panther.
The tip tanks' weight is only a problem when the aircraft is on the ground. In flight, they will reduce the bending moment on the wings.
Were there ever DROP wing tip tanks, or are they permanent?
<singing>Off topic but lovely photos ..... drop tanks into canoes in Viet Nam
There are pics and films of F-80s and F-84s dropping their tip tanks. The L29R and L39 have permanent tip tanks.
This would depend on the aircraft. I could tell you that tip tanks did not reduce the bending moment on the T-33 during certain speeds and flight attitudes..
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The larger tip tanks do some un-nerving things at higher speeds and in dives.I am surprised by that, but I don't disbelieve you. Probably, there are also conditions where the tanks could worsen torsional loads.
I was never in a T-33 during a spin but from what I understand it's not that bad even with the tip tanks. I'm told there is a tendency for the aircraft to pitch up and become inverted.How did tip tanks contribute to the spin characteristics of the aircraft?