That's why the squint scale "sport" bipes without flying and landing wires appeal to me. What is it we used to call the control line models? 50 Scale? As in: "Looks scale at 50 feet". Though, I see GP calls for using elastic thread loops hooked over the strut attachment points to rig their Stearman very quickly. That shows promise (until the elastic stretches out). You're right though. The period where you forget to breathe as a large Tiger Moth tops a loop and you're wondering if it will "come out" the other side. Just gorgeous.