Here is a list of all the postings jason udall has made in our forums. Click on a thread name to jump to the thread.
|pump was half kilowatt so maybe took longer than I remember..1.5kJ/K for can so for 10 kelvin about 14kJ 500 Watts would be 28seconds.|
|Thread: Laser centreing|
|huh? "adjust the circle diameter by changing the spindle speed"|
REALLY want to know how that works....What rpm you got that can cause relativistic effects on say 1m radius.
|Thread: Anyone willing or able to cast a small Top Hat ?|
|silicon rubber to make mould from original|
Metal clay into mould
Dry clay into kitchen oven...
Metal part out of oven..
|Thread: ME Shows|
Like you say..shows ...Taunton might be a goer but looking for club close enough for meetings.
Any clubs in West Dorset... I say west dorset 'cos dorset "seems" to be centered on Poole. Axminster is better for me
|Thread: Drilling Vise improvements question|
|no expert but my guess |
jaws parrallel to each other and square to clamp screw all perp. to slide of jaws.
Check/ fixfirst then at least vise holds well.
Use angle blocks clamped to mill bed..then clamp vise to angle block. Thus under side can be trued.Square to jaws..so jaw face perp.
Then square off top to use as datum.
|Thread: ME Shows|
|only one major trade show..MACH..|
NEC every ...FOUR years!
|the hot / cold thing reminds me of how they put "inserts" in milling cutters these days...heat up holder drop in insert , allow to cool|
|water is a very effective cement...used in machining gemstones...cheap ..wets surfaces well... no disposal probs..the liquid nitrogen used to instantly freese is a pain. Did build instant freese chuck once using peltlier heat pump took only ten seconds to chill can of pop too cold to drink from room temp|
|Thread: I knew it was coming...|
|"some sort of ballon" google japaneese fire ballons... apparently 'discovery' of jetstream before anyone knew what it was... Also as to control / vision/ payload control for bomber...two words android phone.|
|Re: "buzzing" in HI...in low machine wired in 'star' and in high wired in 'delta' this means machine uses the motor wiring differently in the two cases...fault might be in switch gear...may be one connection off in the delta mode.|
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