QUOTE: Originally posted by j.s.harrison
Thanks Tweety i duuno what to do at the moment cars are territory to me mate...
I like the BMF idea it sounds cool, especialy for masking canopies, i used Tamiya 10mm for my 109 canopy and i was never happy with the finish........
So how about a quick rundown on masking a canopy with BMF, with the 10mm Tamiya tape i cut small pieces to fit, 4 peices of tape per panel.....Jules..
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Well, firstly I dip the canopy in Pledge One Go, don't know if you use this stuff, but it's worth the effort.
Then, grab some BMF foil, I prefer to use the Chrome stuff, it's easiest to see the 'frame' outlines with Chrome, and cut a strip maybe 2.5mm larger than the section you plan to mask.
Where possible, I do 1 window section at a time, but on a 109G-6 canopy for instance, it would be easier to do 1 side of the canopy at a time.
Lay the BMF onto the canopy, and using a cotton bud, smooth it down, as you go you can see the 'framing' start to show through the BMF.
When the BMF is all smoothed out onto the canopy, get a toothpick, and sand one side down so it's nice and flat, and sand the other end to a round dull point.
Go over the 'frame' outlines with the toothpick, alternating between the flat and round ends so the 'framing' stands out enough for you too see it, and in the case of recessed framing like on the 109G-14 I'm doing now, use the flat end to press the BMF into the recess.
When all the above is done, grab a knife, and start tracing the frame work.
Instead of using the standard No 11 blade, change to a smaller one, it helps when going around corners etc.
DO NOT apply pressure, the weight of the knife is more than enough!!!
When done, lift a corner of the BMF and slowly remove the foil, any areas that the knife didnt cut can be pressed down with the toothpick again and cut again.
After all is said and done, one more gentle rub over with the cotton bud, and you now have a canopy ready for painting.
After painting, a quick and light pass with the knife again around the masked sections, and remove the foil.
You cant ask for a crisper canopy frame, and the only down side is the time it takes to mask off.
Doing the inside of canopies is a little trickier, as you have to cut freehand, tracing the canopy frame.
Hard to do, but do-able all the same.
Thats the quick rundown, thank God I didn't type the extended version!!
Actually, might put this in the Techniques section too, may save some people from chunky canopies