Products > Test Equipment
Hewlett Packard 740B DC Standard Digital Voltmeter (and 740A)
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Tony_G:
Looking forward to see the results - BYU is a Uni in Idaho (next state over from me) - Did you get the gear from the US or was it already in Aus?

TonyG
BradC:
I prep with a set of stainless brushes that I keep in a box (to prevent my wife using them to clean the BBQ). They are exclusively for aluminium use. Between a standard wooden handle quadruple row brush and a set of different shaped dremel brushes and a couple of small single cut carbide burrs it's mostly covered. I generally do a post prep wash with acetone to make sure it's really grease free before welding. Aluminium soldering and I haven't really got on well in the past.

I'll be super interested to see how this works out for you. Are you using an oxy or a gas/air torch?
beanflying:
Jigged and reasonably straight.  :)

Sourced on evilbay from Utah from a  :rant: seller of electronics.

Straight butane is fine for aluminium. Flux made into a paste and scrubbed with stainless brushes.
beanflying:
Cough cough smokey from the base board charring.

Could do with a bigger torch but now it is tacked I should be able to remove it off the board.

Working better without the flux with these rods?

tautech:

--- Quote from: beanflying on February 15, 2018, 04:53:31 am ---Could do with a bigger torch but now it is tacked I should be able to remove it off the board.
--- End quote ---
Yea it's easy to underestimate how much heat Ali sucks....but not as much as copper !


--- Quote ---Working better without the flux with these rods?
--- End quote ---
If the work is clean and uncontaminated by oxides or oils flux usage can be minimal although the 'correct for product' types are useful as an indicator of correct temp. Good and clean welding glasses let you see the minuscule amounts wet the whole joint.
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