fix KAX CoMs, add Meredith Effect to all.

Also play more with heat.
Switch Twin Wasp to 2spd supercharger

I.e. with dogtooth, rather than constant falloff.
Switch Wasp to 2spd supercharger

Prior commit was actually adding -94. Oops.
Many prop tweaks

Use new CtMach and CpMach curves; remove deprecated props.