Teo.....<div>
</div><div>Thanks for that. How would I ascertain the fuselage datum line without plans? I suspect that the fuselage covering trim line will run parallel to it as the change in covering color  is longitudinal and very closely aligned to the centre of the engine mounts. Not very scientific I know but it does look as if relates to the wing and tail incidence as it passes along the fuse.</div><div>
</div><div>Any other thoughts?</div><div>
</div><div>Regards and thanks,</div><div>
</div><div>Bob V</div>