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Post by aas on Jul 11, 2020 2:44:31 GMT -5
I was also thinking about getting the H-1235 as a second vac for the headroom for more powerful tools, although I run my LO65 through the H-1635 - it has the very heavy duty red rubber cable, 1600w + 2600w - running on a 20A/230v circuit. I must admit that when you see the air flow of the 1200w is less than 10% down on the 1600w, and the vacuum pressure 5% down, it does make the 1600m look pointless and inefficient - not sure it's dangerous though.
To be fair my only gripe is that there is no remote option - I guess that will change at some point. I got shot of the tool holder, gets in the way going up and down stairs on the H-1635, I have a systainer on top of the CT-VA with tools, spare bags etc.
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Post by fatandre on Jul 11, 2020 16:14:12 GMT -5
Darn it. I thought I could stack my tstac from DeWalt on the adapter  |
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Post by kraftt on Jul 11, 2020 20:02:40 GMT -5
I think you get better fines collection with increased velocity. Taking advantage of more power and injecting air just before the hose enters a separator should allay any worries about extra power (if that’s one of the issues we are talking about). Using/opening a cuff port right before separator hose entrance when using smaller tools is supposed to give the best of both worlds. I know it stops collection buckets from collapsing and vacuum runs quieter.
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Post by huntsgemein on Jul 12, 2020 3:21:43 GMT -5
There's surely rational reasons behind Starmix limiting their hazardous materials specialist extractor's (H 1235 Asbest safe) motor power. After all, it's a significant 25%.
My guess is that it's the increased risk associated with increased internal pressure & airflow forcing hazardous contaminants through the hard worked filters. But I admit it's only conjecture. Nevertheless, that 25% reduction in input power is only available (in the iPulse series) in this one specialist model - presumably for valid reasons.
For cleanup duties I generally prefer 50mm hoses, pipes & floor tools. Much less likely to clog. In fact, bigger is usually better in my opinion with higher volume dust producing tools such as hand planers, routers etc. Sanding is different. Here, puny hoses provide a convenient compromise between airflow (usually at lower vac. speed settings) & hose flexibility.
Larger diameter hoses allow less airflow restriction, but also lower airflow velocity. The venturi effect. Skinny hoses flow less, but faster.
I honestly can't realistically see much functional difference between my oldest Stihl/Festo/Allto/Wap 1000w vac & my latest 1400w Starmix/Metabo. Nor the "in between" Festool 1200w CT22 either. All handle hoses & tools between 27-50mm equivalently: this is a 4:1 cross sectional/volumetric ratio difference between the largest & smallest. I also recall having superior dust extraction results using 36mm hoses on my Kapex saw years ago when I was dumb enough to spend AU$1.5K on one. The increased volumetric airflow of the 35mm hose & connector at lower velocity was noticeably superior to the higher pressure & velocity but lower total air volume of a 27mm hose fitted.
I also have a 40 year old 1000W Miele domestic vac that isn't quite as good (it can't effectively power a "turbo" floorhead) as a much younger 2200W Miele: surprise, surprise! But that's in excess of double the input power, so not really a viable comparison. I keep the old Miele as one of the best "blowers" I've ever owned for dusting down as required in & around the house & garden. Cleaning out old power tools, roof gutters, drains, brake dust etc.
My point is that incremental increases in input power is an exercise in diminishing returns, & I still think that 1.6 Kw (or even 1.4) is getting unnecessarily excessive for my needs.
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Post by fatandre on Jul 12, 2020 6:45:51 GMT -5
But there is no chance on attaching a dewalt tstac to the top of the vac? I bought the adapter plate and am lost
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Post by kraftt on Jul 12, 2020 9:05:57 GMT -5
I imagine making an intermediary adapter plate between the two out of some ½" b.b. and/or cannibalizing the least expensive T-stak accessory for parts to then fix to the starmix adapter should get it done (?)
On my vac (not starmix) I decided an mdf slab was the most versatile option allowing me to change it from a storage table, separator stand, sys storage platform, etc. depending on job.
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Post by Eoj on Jul 12, 2020 9:37:46 GMT -5
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Post by fatandre on Jul 16, 2020 16:06:50 GMT -5
Do you have a photo how the seperator is attached to the starmix? I am more thinking about hoses
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Post by aas on Jul 16, 2020 16:40:28 GMT -5
Festool provide a short AS hose - it just about reaches round the starmix from the CT-VA. I switched out ends to a pair of Festool 90deg ends, plus a third on the Starmix hose to go into the CT-VA. I'll take a photo if I remember.
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Post by aas on Jul 17, 2020 14:04:32 GMT -5
... I didn't remember!
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Post by fatandre on Jul 17, 2020 18:37:15 GMT -5
Try now to remember  Have been using the starmix bagless during grinding. Its amazing |
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Post by aas on Jul 18, 2020 1:51:21 GMT -5
I've put a reminder in my phone!.. when you say 'bagless', you are using the black plastic bags? I've used with both my Metabo and Festool grinders with floor attachments - I prefer the Metabo, lots of torque - what are you using it with.
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Post by fatandre on Jul 18, 2020 3:58:34 GMT -5
I've put a reminder in my phone!.. when you say 'bagless', you are using the black plastic bags? I've used with both my Metabo and Festool grinders with floor attachments - I prefer the Metabo, lots of torque - what are you using it with. I mean with nothing in there I use Hilti grinders. I am all DeWalt and Hilti tools |
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Post by aas on Jul 18, 2020 5:28:32 GMT -5
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Post by aas on Jul 18, 2020 5:35:00 GMT -5
In the photo in the link above, I have the CT-VA sat on the 1635H, the short AS hose from Festool is supplied with the CT-VA, it connects directly into the Starmix, very good friction fit. Next, the Starmix 35mm AS hose goes into a 90 deg Festool elbow, the same as for the short AS hose. This is a friction fit, I was thinking to use PU mastic to make sure it doesn't move, but it's still there! The systainer on top is for cleaning tools, spare bags, etc. Makes a tall setup, but it does what it needs too. I also have Starmix 5m red/black 27mm AS hose which can be plugged into the 35mm giving me 10m. There is a slight drop off in vacuum when using the CT-VA and 10m of hose - but still fine to use for concrete grinding.
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