> Anyone got experience with DIY cental vacuum. Will an old 
> vacuum cleaner with adjustable power do, for 1. solder fumes 
> 2. drill/saw dust? I would guess OK for 1 but early death of 
> the motor for 2.


More than you ever want to know:
http://billpentz.com/woodworking/cyclone/DustCollectionIntroduction.cfm.

Most woodworkers are starting to use these, they are cyclone types (like the
Dyson vacuum cleaners), so they don't lose power.  The big stuff (chips) get
separated out first, the finer dust & fumes either hit a fine filter or get
vented outside to bother someone else.

Plenty of commercial options, you'd only need a small one, say 1HP.

Tony

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