thanks for the compliment.....
You are correct in thinking that it can be made smaller.... in
operation, it is not hot to the touch much past the outside of the 2
inch T....I think it could be made 10 inches or even 8 inches
long....you might need it a little larger for a stripping run....
but just guessing, I tended to guess on the large side and made it 12
inches for the 21 tubes...I do flow a large amount of cooling water
through it.. about 3 gal per minute..
It cut down the total height of my column by 18 inches and it works
better than what I had.... I should have done it first... but where's
the fun in that???
BTW... thanks for the conversions for the metrically challenged.. [:-)
a short digression.... about 50 years ago, when I was in elementary
school, they told us that the US would be moving to the metric system
very soon.... well... I am still waiting... I do own 2 complete
sets of hand tools... so I am ready to convert if it ever happens...
--- In firstname.lastname@example.org
, "Harry" <gnikomson2000@y...>
> --- In email@example.com, "Kim" <kiss_my_ass@c...>
> > Well I finished it and the final pics are in the "no coil"
> > I tested it out with a rerun of some 92% stuff mixed with a few
> > gallons of water.... My hydrometer floated at 96% ABV....
> > I let the column stabilize and then dripped off a few oz's to
> > and then collected at a small drizzle...about 1 qt per hour...the
> > column stayed rock steady at 173.5 deg F....as soon as the temp
> > started to climb I switched collection jars and took a little
> > and stopped when temp went above 205 deg....
> > My recirculating pump runs about 3 gallons per minute through the
> > condenser...
> > I use a standard 2 inch by 48 inch column stuffed with copper
> > It has been suggested that I name this condenser ..... I will
> > the "21 gun salude".... as it has 21 internal tubes....
> > the best part is that I didn't have to wind one of those horrible
> > little coils.... [;-)
> > Kim
> Congratulations, Kim! Nice fabrication of the crossflow condenser,
> too! We may have started a revolution here. :-)
> All we have to decide now is...how small it can be made for a given
> input of power?
> I'm guessing that 120mm pipe length (4¾ ins) would handle input up
> to about 1000 watts. After all, with your configuration of 21
> @ 12 ins long we have cooling surface of some 200 sq ins (1,277 sq
> cm). The shorter 120mm pipes would give about 78 sq ins or 506 sq
> centimetres of cooling surface. I could be wrong on this but a
> little experimentation would soon decide the issue. Crossflows are
> far superior for heat exchange than most other condenser types,
> particularly in this type of work.
> regards Harry