Thanks Plane builder66, I will buy some ply from my LHS on the weekend . Iam thinking of recovering my spit in chrome profilm and adding the red markings like in the photo even though that spit is a later mk than the kyosho spit. The only problem is that it will be quite hard on your eyes.

[link]http://www.f4aviation.co.uk/airshow03/legends/spittd248.jpg[/link]