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Exhausts made from aluminium foil / tip from Skunk found on the 87thScale messageboard
Cut out a piece of plain kitchen aluminium foil, 1 x 3 mm for instance. Wrap it tightly around metal wire, lengthwise. If there is leftover aluminium, cut it off with a very sharp knife. This should form a perfect little tube around the wire. (This may take a couple of tries, but foil is cheap and this doesn't take much time anyhow). When the foil is satisfactorily shaped, give it a layer of clearcoat. Be careful to paint only on the aluminium, and not on the wire. When the clearcoat has dried, carefully slide the aluminium off of the wire. Voila ! You have a perfect exhaust ! You can make it as thick or as long as you want. If one doesn't slide the finished exhaust off the wire entirely, it is possible to bend the wire any which way.
Exhausts made from solder wire / tip from Eric
Here is another method to make exhausts, use 1 mm solder wire with a resin core for car exhausts and 2 mm wire for truck exhausts. The resin core of the solder wire can be drilled out with 0,7 / 1,5 mm drills (by hand, this is not really something to use a Dremel for) which leaves a metal 'pipe' that looks like the real thing. The advantage of the solder wire is that you only need to drill out 2-3 mm to make it look good and that you can bend the remaining piece of wire anyway you want !
from aluminium tubing / tip from Eric
Exhausts made from aluminium tubing / addition from Chester Fesmire:
I have used the aluminium tubing used by R/C aiplane fuel supply lines for exhaust stacks on trucks. By trimming the end off a ball point pen filler tube (less ink and throw the pen away) and slipping that over the alumimium tubing it makes a great muffler. By sliding a thin wire inside the tubing it can be bent to the configuration needed.
from paper / tip found on the Mo87
- Hypodermic needles / syringes