We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember andrew saying something like:
Der Schmellenschutzouterderwallen.
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember andrew saying something like:
Der Schmellenschutzouterderwallen.
It doesn't even capture them with the HEPA filter as the many youtube videos comparing vacs will show. It also raises the question of why he needs two HEPA filters to not collect the stuff the cyclone doesn't let through?
HEPA vacs have an exhaust filter to collect the carbon from brush wear.
They are in the wrong place for that on the dyson I was looking at. they may have a separate motor filter, my (non Dyson) vac does.
The cynic in me says marketing. You can add a significant percieved value to a machine that has HEPA filters for very little additional real cost.
The Dyson's usually have two filters - but normally only the second one is HEPA, which will collect the brush carbon.
The cyclone performance is also not consistent in use since it depends on rapid enough airflow to keep it working. If you stall the airflow as can happen from time to time using the tools, then the minimum particle size captured goes up.
However if one is being a pedant (and since this is a conversation with Dennis, I guess one must be), the various videos on youtube don't really demonstrate the cyclone efficiency as such, but some show that some machines have air leaks that can allow contaminants back into the room. While obviously not desirable, that in itself does not invalidate claims made for the cyclone bit on its own.
Are you sure about that.. doesn't the motor suck air through the cyclone? Any outwards leaks must be after the cyclone if that is the case. If they contain dust it has gone through the cyclone.
No need to be pedantic BTW correct will do. ;-)
Yes
It does
No, watch the videos. They usually occur at the bends in the pipework prior to the cyclone where the high velocity dirty air stream changes direction. Even though overall its below atmospheric pressure you can still get some escape, even if the nett flow is from the outside in.
Part of the compromise is that on the later machines the various bends are designed to unclip so that blockages can be cleared more easily. However that also introduces extra joints.
On later models there is relatively little ducting after the cyclone. Models like the DC01+ Absolute had a bit more to direct the exhaust air down and under the canister and up then up through the HEPA filter.
I find both can work.
The cyclone idea has been around for ages. This machine dates from the
1960's
For those of us who didn't see the programme, what are disaster zone bricks?
Flat pack ones
they interlock and you can fill them with sand, soil whatever
In message , Andrew Gabriel wrote
The Dragons obviously never watch the QVC DIY show or they would have seen how bad that box of convertible cordless tools was.
In message , geoff wrote
And after a few months in the sun the plastic gets brittle and fails and a couple of tons of the in-fill sand falls on a passing toddler.
Add some cement to the sand then, and poke some bits of steel in for reinforcing. Just the thing if you have lots of earthquakes. It looks like the Carribean has had thousands of eartquakes in 16 years:
That explains why the tools have air relief slots in an attempt to prevent the airflow being reduced too much.
Chris
There was yet another Fein knock-off shown, but don't think it was part of the pack. I was going to say 'cheapo' but I think the rrp is more than the the bosch? The table saw system looked it was fixed full height blade exposed. Not sure Id feel safe with that as you want just a little bit of blade exposed above the material you are cutting.
Still as you say if it shifts 100's when piled on QVC who cares (Im sure he must have mentioned that to the Dragons but was edited out cos of the beeb thing).
Dave.
: > wrote : >
: > >In message : > >, : > >Matty F writes : > >>On Aug 31, 8:48 am, geoff wrote: : > >>> That was my brother with the disaster zone bricks : >
: > >>For those of us who didn't see the programme, what are disaster zone : > >>bricks? : > >Flat pack ones : >
: > >they interlock and you can fill them with sand, soil whatever : >
: > And after a few months in the sun the plastic gets brittle and fails and : > a couple of tons of the in-fill sand falls on a passing toddler. : : Add some cement to the sand then, and poke some bits of steel in for : reinforcing.
Sounds a bit like those concrete building blocks that have square holes running through them that can then be filled with more concrete and lengths of rebar, they have been around the years!...
If you have any cement. The idea is to use whatever is available to bulk it up. I think they would be better off using a mould to make clay bricks myself, if they can dry them out.
Our DC04 also has an air admittance valve on the machine. The tools don't have a slots or valves but the end of the hose does have a manual valve incase something gets stuck on the end or you want to reduce the amount of suck.
Yes that's what we use in NZ, where we have far fewer earthquakes than the Carribean. In fact there have been two earthquakes where I live, in 50 years, and they were so tiny I didn't feel them. We are not allowed to use bricks to hold up houses, because they are hopeless at that.
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