Bot of a stupid moment, I made the radio mast removable with a bullet connector male in it and a female one in the fuse, trouble is that the fuse is veneer on foam so no 'meat' behind it (should have glued in a balsa block 2 years ago!). Never mind methinks, I can add a bit of a base to the mast but have that attached to the fuse, so did that and stuck it on with cyano, trouble was that I had plugged the mast in to aid positioning the base and forgot to put some vaseline on the male end, result, mast is now a permanent attachment.
On amore positive note, I found a 4" spinner which, whilst not quite the right shape, doesn't look too bad so will prep that and paint it but used its backplate to mark out the cut line on the cowl. That is now all opened up and is currently waiting for the primer to dry.
Ordered the low bounce wheels from Model Shop Leeds just before lunchtime, received an email from Martin to say that they have been despatched - excellent service!