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· Trainee pensioner
215 Posts
If the smoke output is excessive, I believe it is possible to connect the return wire(s) from the smoke generator to one of the decoder input wires (red or black) instead of the blue (common return) to achieve half wave rectification and thus a lower average (half) voltage. This has the added advantage of making the smoke oil last longer.

Perhaps someone more expert than myself can confirm my thoughts on this subject.

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