Well, I'm surprised at how much vacuum a 2.5HP, 6 gal. craftsman
wet-dry vac produces...
I got a used salt drum from the local water softener man, rigged it
together with my shop vac and extra hoses/couplers and it was working
great during testing.. all the sawdust was going into the salt drum
and falling to the bottom, none passing into the vac. I tested it by
cutting about 5 feet of 3/4" dado on the TS, worked like a charm...
Then I got nutty, pulled the hose off TS, stuck an extension wand onto
the end of it and started vacuuming pine needles off the drive way
when a huge wad of needles suddenly cloged the hose and guess what
happened?
the salt drum crumpled like a beer can...
Well, at least I know it works, but I've got to find a different
precolletor container.
Tillman
On Mon, 17 May 2004 09:30:56 +0200, Juergen Hannappel
<[email protected]> brought forth from the murky
depths:
>Larry Jaques <novalidaddress@di\/ersify.com> writes:
>
>[...]
>
>> Or rig up a failsafe device. Cut a 3" square hole in the intake
>> line before the first stage fiber can, then duct-tape a piece of
>> trash can liner (or whatever) over it. When the hose gets plugged,
>> it'll suck a hole in the "failsafe" and prevent collapse.
>
>Im not so sure, i've seen (mylar) *thin* foil of about that size stand
>on-sided vacuum without breaking, and i'm talking "real" vacuum (10^-3
>mBar) here.
So don't use Mylar, Milo. Use a second-hand baggie, trash can
liner, latex glove, whatever. Test it (without the collapsible
can) to make sure it works. Man, do I have to -think- for you
guys, too? ;)
--
Remember: Every silver lining has a cloud.
----
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On 16 May 2004 17:54:26 -0700, [email protected] (tillius)
brought forth from the murky depths:
>Well, I'm surprised at how much vacuum a 2.5HP, 6 gal. craftsman
>wet-dry vac produces...
Yeah, Crapsman really sucks, doesn't it? (couldn't resist that
straight line)
>I got a used salt drum from the local water softener man, rigged it
>together with my shop vac and extra hoses/couplers and it was working
>great during testing.. all the sawdust was going into the salt drum
>and falling to the bottom, none passing into the vac. I tested it by
>cutting about 5 feet of 3/4" dado on the TS, worked like a charm...
>
>Then I got nutty, pulled the hose off TS, stuck an extension wand onto
>the end of it and started vacuuming pine needles off the drive way
>when a huge wad of needles suddenly cloged the hose and guess what
>happened?
>
>the salt drum crumpled like a beer can...
Har! Got JPGs? ;)
>Well, at least I know it works, but I've got to find a different
>precolletor container.
Or rig up a failsafe device. Cut a 3" square hole in the intake
line before the first stage fiber can, then duct-tape a piece of
trash can liner (or whatever) over it. When the hose gets plugged,
it'll suck a hole in the "failsafe" and prevent collapse.
---
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On Mon, 17 May 2004 09:30:56 +0200, Juergen Hannappel
<[email protected]> posted:
>Larry Jaques <novalidaddress@di\/ersify.com> writes:
>
>
>[...]
>
>> Or rig up a failsafe device. Cut a 3" square hole in the intake
>> line before the first stage fiber can, then duct-tape a piece of
>> trash can liner (or whatever) over it. When the hose gets plugged,
>> it'll suck a hole in the "failsafe" and prevent collapse.
>
>Im not so sure, i've seen (mylar) *thin* foil of about that size stand
>on-sided vacuum without breaking, and i'm talking "real" vacuum (10^-3
>mBar) here.
Just keep in mind that the strongest vacuum EVER is only 14.7 psi
below atmospheric pressure.
Less than 15 psi!
Weak as worms' water!
On 18 May 2004 15:29:27 GMT, [email protected] (DarylRos) posted:
>>Just keep in mind that the strongest vacuum EVER is only 14.7 psi
>>below atmospheric pressure.
>>Less than 15 psi!
>>Weak as worms' water!
>
>Try prying something apart in a vacuum bag.
For 4 square inches, that'll be <60lb, thankyouverymuch!
Try three weeks on your Bullworker (tm) :)
Larry Jaques <novalidaddress@di\/ersify.com> writes:
[...]
> Or rig up a failsafe device. Cut a 3" square hole in the intake
> line before the first stage fiber can, then duct-tape a piece of
> trash can liner (or whatever) over it. When the hose gets plugged,
> it'll suck a hole in the "failsafe" and prevent collapse.
Im not so sure, i've seen (mylar) *thin* foil of about that size stand
on-sided vacuum without breaking, and i'm talking "real" vacuum (10^-3
mBar) here.
--
Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe
mailto:[email protected] Phone: +49 228 73 2447 FAX ... 7869
Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany
CERN: Phone: +412276 76461 Fax: ..77930 Bat. 892-R-A13 CH-1211 Geneve 23