OK, my apologies. Somehow I missed that ... Probably coz I was laughing so
Oh dear, he's off and running again. Go on Philip, scoot on back to the vet
and tell him that you're hearing the voices and seeing the pretty lights
again. Perhaps he will be able to up the level of your horse tranquillizer
pills for a few days until you're suitably subdued ...
Why not use 2 CPU coolers? - they're surpisingly available as surplus. ManyOn Apr 17, 4:13 am, "Arfa Daily" <arfa.da...@ntlworld.com> wrote:
"Phil Allison" <phi...@tpg.com.au> wrote in message
news:at6e9mFo62mU1@mid.individual.net...
"Arfa Daily"
"Phil Allison"
"Arfa Daily"
The correct way to mount them is exactly the same as you would a TO3
transistor. That is with a mica washer between the flat face of the
stud end and the heatsink, and a plastic top hat washer on the other
side of the heatsink, with the hole being large enough to
accommodate
the narrow part of the insulator. I have mounted stud diodes like
this
many times, and never had a problem.
** A TO3 device has a large surface area.
A DO4 stud device has almost none unless you include the thread.
So it is blindingly obvious that for best heatsinking, you screw them
into a threaded hole.
The heatsink may then need to be insulated from other metal work.
This is how all high power stud diodes zeners must be mounted, if you
wish to get anything like the maker's power ratings.
Fuck head.
Many extremely high power computer linear power supplies that I worked
on
some years ago, would disagree with you.
** No they wouldn't.
You fucking, pig ignorant moron.
" Ye canne change the laws of ffysiks... "
... Phil
Aw, Philip. And there was me thinking that the vet had finally gotten
your
meds just about right ... !
Never mind. We all know that it is actually you who is the fucking pig
ignorant moron, not just for what an offensive twat you are, but also
because despite knowing everything there could ever be to know, you have
actually, apparently, learnt nothing in your half arsed life. Sad ...
Arfa
While I would have to agree with Phil's earlier statement that it
would be ideal to simply screw the diodes into threaded holes on the
heat sink, they are electrically in series, so that is not possible.
That became clear in another part of the thread - I never imagined anyone
It never crossed my mind anyone would go that way about 'regulation'!
Using a pair of CPU coolers would give isolation - some have clip on fans,On Apr 17, 11:14 am, "Michael A. Terrell" <mike.terr...@earthlink.net
wrote:
Arfa Daily wrote:
Oh dear, he's off and running again. Go on Philip, scoot on back to the
vet
and tell him that you're hearing the voices and seeing the pretty
lights
again. Perhaps he will be able to up the level of your horse
tranquillizer
pills for a few days until you're suitably subdued ...
He's too ignorant to even consider the poor contact for a TO-3 with
two tiny screws on the ends, VS a 1/4x20 stud which can be torqued down
to give much better heat transfer.
I thought that I mentioned though that isolating the heat sink was not
an option. I think I can explain this a little better. The fins of the
heat sink are spaced about .50 inch apart. Between the fins are large
aluminum blocks I fashioned which increase the surface mating area.
These blocks are then mounted to two back to back pieces of .125 inch
aluminum
I thought that I mentioned though that isolating the heat sink was notArfa Daily wrote:
Oh dear, he's off and running again. Go on Philip, scoot on back to the vet
and tell him that you're hearing the voices and seeing the pretty lights
again. Perhaps he will be able to up the level of your horse tranquillizer
pills for a few days until you're suitably subdued ...
He's too ignorant to even consider the poor contact for a TO-3 with
two tiny screws on the ends, VS a 1/4x20 stud which can be torqued down
to give much better heat transfer.
On Apr 17, 11:14 am, "Michael A. Terrell" <mike.terr...@earthlink.net
wrote:
Arfa Daily wrote:
Oh dear, he's off and running again. Go on Philip, scoot on back to the vet
and tell him that you're hearing the voices and seeing the pretty lights
again. Perhaps he will be able to up the level of your horse tranquillizer
pills for a few days until you're suitably subdued ...
He's too ignorant to even consider the poor contact for a TO-3 with
two tiny screws on the ends, VS a 1/4x20 stud which can be torqued down
to give much better heat transfer.
I thought that I mentioned though that isolating the heat sink was not
an option. I think I can explain this a little better. The fins of the
heat sink are spaced about .50 inch apart. Between the fins are large
aluminum blocks I fashioned which increase the surface mating area.
These blocks are then mounted to two back to back pieces of .125 inch
aluminum each having a surface area of about 12 square inches. This
large contact area and equivalent thick piece of aluminum then bolts
to the chassis, It is these two pieces of stock which are the
"middle" of the sandwich, so to speak. The steel chassis also aids
with sinking some of the heat as well. Also as previously mentioned
both diodes are mounted on the heat sink so they must be isolated from
each other. There is also a thin coating of silicone grease on every
mating surface. One alternative to that would have been to use one
reverse polarity diode, (which I don't have), but then I would still
have to "float" the heat sink and it would be very impractical to try
to hang all this extra aluminum off the heat sink and come up with a
useable mounting method too. So this seemed like the best arrangement.
No matter, still in detonation mode.
True
Why ... ?