thanks, and thank you for putting it in the ukraine bundle! works now. here is my 867.48 meter prototype, the AESIM (aerospace engineer spirals into madness). technically -800 meter distance as it did a 180 degree turn then spiraled out in the wrong direction.
"some instability is wanted in a fighter, as a plane that wants to turn will be more maneuverable." yup, here's a single canard on the right side of a forward mounted engine.