Eeyore wrote in message
...


N_Cook wrote:

Anyone know the generic name for this type of what I assume is
chisel-action-cut vaned heatsink.
Is it made using a shaper type machine with some sort of chisel or plane
blade?

http://home.graffiti.net/diverse:gra...e_heatsink.jpg

I'm afraid I found the pic too unclear to be sure what I was looking at.

Is it formed from sheet aluminium ?

Graham


I was rushing around a didn't focus on the right distance.
Will have another go closer up , showing the chisel? cuts. Could not find an
image of one out there.

Often seen in Sony domestic amps of the 70s/80s TA..., STR...all convection
cooled
The cutting action must be like those butter or cheese knives/scoops that
curl the material into whirls



--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/