Nice work Kevin.

Hi All,
Now have sprayed the panel lines in Tamiya Rubber Black in readiness for camouflage. Not tried this before to this extent so a bit of an experiment.
Cockpit glazings have also been masked and interior colour applied to them.

I hope it works, I am never sure of pre-shading, but it works for lots of modellers.

It looks like a fair amount of work Kevin.

Moving on. The white fin/rudder tip and the tactical band around the fuselage have been painted white, then masked in readiness for the Pale Blue. I didn't have a ready made Russian WWII Blue, so I mixed my own using Tamiya white and Medium Blue in ration of 7:1.
Then I gave the undersides a general light coat overall, the pre-shading showing through.
Some pictures follow:-

Now I have given the undersides a further two thin coats of my blue mix, making the shading gradually fade into the paintwork.
To emphasize differing panels, I then added a small amount of some white to the mix. This was then randomly sprayed into the centre of the panels or around the inner periphery of the panel lines to break up the monotone effect.
Thanks for looking.

Great stuff, very painstaking work.

Good work Kevin. Coming along nicely.

I find with pre-shading sometimes it works and on others the less said. Looks like you've nailed it though.

Thanks for your comments chaps, most encouraging.

Just a little more done.
Wing light and cover now in place. I have used a Little Cars 2mm round Lens for the bulb, and have added the cover part. The transparent section on this is curved, so I've had to use some bare metal foil to mask this out prior to upper camouflage. Also the blue underside will need touching in to match.
Cockpit more or less finished, today added the gunsight, and painted the cockpit sills, and masked and sprayed the cockpit sections to match. One of the final jobs in the cockpit will be add a small section of clear acetate for the sighting glass on the gunsight.
Thanks for looking

The detail is looking good.

A little more progress, Canopy parts attached and any slight gaps filled with some Kristal Kleer. I'll give them a quick spray of grey at the joins to identify any more before upper camouflage.
The rear gunners machine gun assembled and painted. The ammunition feed is etched brass and has come out quite well.
It still needs gun sights but I'll add them during the finishing touches. 
Thanks for looking.

Nice detail on the gun.

Nice work Kevin.

Bob c