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wiping the gorilla glue off your fingers with mineral turps straight after making contact with the glue helps a lot, the problem with working with gloves is that you don't know when you have made...

The best glue for wood is 'selleys platimum', it is a polyurethane glue which cures with moisture, it expands and creeps into the pores which makes it very strong, it dries hard but more importantly...

yeah speakers will break down over time, give them a poke and see if the surround is still intact and still sticks to the cone and the basket, but you should also be able to hear problems like that....

Claw, when you test again, get some Selleys 'Platinum' and 'Floors and Decks' they are both polyurethane glues that expand (but not as much as the liquid Visegrip or Selleys) they are sold as 'liquid...

for 5mm the least tortuous way is the hole saw, but not from bunnings, they're prices are insane, $44 just for the small arbor is just plain rude.

my two cents:
abrasive cut off saws are dreadful things, they produce rough cuts with a lip of slag, heat the work piece, give you a fine metal dust over everything, and the noise they produce makes...

most of my work involves cutting a lot of aluminium,
I use Inox brand oil that I dab on with a brush onto the blade, not the piece, because that wastes oil and you have more work cleaning it.
oil...

I understand that the resin used is in fact a polyurethane, I know that might not particularly help, but it's definitly worth a shot

If there was ever an ideal speaker design for a shed it must be the array or column speaker,

http://billfitzmaurice.net/images/cabs/SLA.jpg

line arrays have been around for 50 years but for...

Shelleys Liquid nails "ultimate strength" it a polyurethane glue that cures with moisture, every other liquid nails product is crap, exept maybe "floors and decks" which is also a polyurethane glue,...