Author Topic: New from Festool for Europe - September 2018: CT pre separator with cyclone tech  (Read 21960 times)

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Offline Farming_Sawyer

  • Posts: 71
  • Sawyer, builder, winemaker, farmer, chef
    • Foley's Custom Sawmill
Seem like more than once I've seen pics of the cyclone hooked up to the SYS.... Seems like a great combo. Small extractor for on the job, but if you need to plane down a door or two put the cyclone on it so the bag doesn't fill up..... I upgraded from a Midi to CT26 because I'd heard the cyclone won't work with it... My sales guy thought different. Didn't think there was any reason it shouldn't. 
CT 26E, RO125, sys-mft, sys-toolbox, a bunch of 30 year old tools I'm looking to replace.

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Offline Windsor Plywood Calgary West

  • Festool Dealer
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  • Posts: 9
    • Windsor Plywood
Seem like more than once I've seen pics of the cyclone hooked up to the SYS.... Seems like a great combo.

It may look like its hooked up to a SYS because the Cyclone its self minus the clear plastic container is the same size as the SYS, top and bottom together.

The Cyclone will work with the SYS, MIDI and MINI but Festool does not know if prolonged use could have negative effects on the smaller units.
Daniel Harcus
Windsor Plywood Calgary West
Proud Festool Dealer

Offline infer

  • Posts: 6
Received the CT cyclone today. As others have posted it does reduce suction but that was expected. A few personal complaints. The short hose connecting the cyclone to the CT is 27mm and with two 90 bends reduces air flow. Why not a 50mm hose?  The top part of the cyclone is not secure in it’s location and installing or removing the hose moves the outlet out of position. On a positive note the unit works well and after 1 hour of mdf vcarving only a few specs of mdf are in the bag. Also if you place the unit next to the CT it fits under the cms.
285347-0

Offline ach_78

  • Posts: 47
Price made me chuckle and design is frankly unimpressive.
For the price of a cyclone (about 35€), and some change for plywood, you can make a unit (with your other Festools tools) that will fit your exact ideal vision of how it should be, all this for a fraction of the cost. Without putting much time into it either. Festool has gone insane on the accessories prices, reminds me of Apple now.

Offline tallgrass

  • Posts: 744
I know I could not make one of these, to this standard in 3 hours. However that is the great part. You can decide how you wish to do this or even if you want to do it.

Offline Scorpion

  • Posts: 577

The Cyclone will work with the SYS, MIDI and MINI but Festool does not know if prolonged use could have negative effects on the smaller units.


Spent a few days thinking about this.  If there is any concern about prolonged “negative effects”, then that likely means damage (can’t see what else that would mean).  Midi is not significantly different than a 26 so why would they not be concerned about prolonged damage to all of the vacs?

Offline Scorpion

  • Posts: 577
Received the CT cyclone today. As others have posted it does reduce suction but that was expected. A few personal complaints. The short hose connecting the cyclone to the CT is 27mm and with two 90 bends reduces air flow. Why not a 50mm hose?  The top part of the cyclone is not secure in it’s location and installing or removing the hose moves the outlet out of position. On a positive note the unit works well and after 1 hour of mdf vcarving only a few specs of mdf are in the bag. Also if you place the unit next to the CT it fits under the cms.
(Attachment Link)

Just tried mine out .  Far from scientific but using the 50mm instead of the supplied hose.  Hand test shows significant reduction in suck (maybe 25-30%) when switching the main hose (attached to the boom arm) between the collector and the main unit.  It’ll work for operations where big suck isn’t needed but things like the Kapex, no way.

Was originally thinking about getting one for every machine.  Now thinking I’ll try one out for a while and wait and see.   

Offline bwehman

  • Posts: 47
I have a short length of D36 I'm going to put on mine tonight to see if a difference exists too. We'll see! Either way, I'm just excited I can optimize the floor print of my shop more so with this thing. The DD was great, of course, but now the foot print that took up can be used for more stacking.

Offline Roachmill

  • Posts: 77
...Hand test shows significant reduction in suck (maybe 25-30%)...
If you have a brand new bag I'd suggest swapping it in and see if that makes any odds. I noticed a similar drop in suckage when using the CT-SYS and a new bag all but eliminated it.

Offline rst

  • Posts: 2036
I haven't had a chance to try mine yet, am waiting for the right angle connectors I ordered from Oneida.  I'm going to use a short piece of 50mm hose for the junction hose.

Offline bwehman

  • Posts: 47
Upon closer inspection, I don't think adding a larger diameter inlet hose will matter since the inlet to the cyclone itself is 27mm.

Offline Svar

  • Posts: 1554
Upon closer inspection, I don't think adding a larger diameter inlet hose will matter since the inlet to the cyclone itself is 27mm.
It still matters, but not much. The cyclone might be a bottleneck, but loads are additive.
On a separate note, a 27 mm inlet to the cyclone is ridiculous. Simply poor design.

Offline bluedog18

  • Posts: 7
Has anyone hook their pre separator to a CT Midi yet?

Offline Roachmill

  • Posts: 77
Has anyone hook their pre separator to a CT Midi yet?
Sure have. Locks on top and the short connector hose is a tight (in a stretching sense) fit but it does reach easy enough.

Offline Scorpion

  • Posts: 577
...Hand test shows significant reduction in suck (maybe 25-30%)...
If you have a brand new bag I'd suggest swapping it in and see if that makes any odds. I noticed a similar drop in suckage when using the CT-SYS and a new bag all but eliminated it.

The difference is between collector and no collector on the same machine.  The bag is a constant...unless you’re saying that the collectors impact on suction will increase as the bag fills.

Offline Scorpion

  • Posts: 577
Upon closer inspection, I don't think adding a larger diameter inlet hose will matter since the inlet to the cyclone itself is 27mm.

Didn’t consider that.  Good point though.  If the internals are smaller than the 50mm hose, it soundly matter.

Offline rst

  • Posts: 2036
Keep in mid that decreasing inlet will increase velocity...should make separation more efficient.

Offline Roseland

  • Posts: 581
I like the idea of the Festool cyclone, except for the small capacity of the bin.  With a thicknesser that would fill up in minutes.

I plan making a cyclone to fit on top of a 240 litre "wheelie bin", using a cut-down road cone as the centre.

Has anyone else attempted this, and if so, with what success?

Andrew
TS55, MFT/3, OF1400, OF1010, CT26, RS100, ETS125, CXS, MFS400, DF-500, Zobos.

Offline Roachmill

  • Posts: 77
...Hand test shows significant reduction in suck (maybe 25-30%)...
If you have a brand new bag I'd suggest swapping it in and see if that makes any odds. I noticed a similar drop in suckage when using the CT-SYS and a new bag all but eliminated it.

The difference is between collector and no collector on the same machine.  The bag is a constant...unless you’re saying that the collectors impact on suction will increase as the bag fills.
In my lone experience, the difference was a partially clogged bag (the first one had been filled and emptied several times) and a brand spanking new one.

Offline guitarchitect

  • Posts: 60
...Hand test shows significant reduction in suck (maybe 25-30%)...
If you have a brand new bag I'd suggest swapping it in and see if that makes any odds. I noticed a similar drop in suckage when using the CT-SYS and a new bag all but eliminated it.
I would wonder if you couldn't skip the bag altogether. You'd have to be careful you don't clog your filter by overloading the bin, but I bet you'd offset your loss in suction.

Sent from my SM-G920W8 using Tapatalk


Offline Scorpion

  • Posts: 577
...Hand test shows significant reduction in suck (maybe 25-30%)...
If you have a brand new bag I'd suggest swapping it in and see if that makes any odds. I noticed a similar drop in suckage when using the CT-SYS and a new bag all but eliminated it.
I would wonder if you couldn't skip the bag altogether. You'd have to be careful you don't clog your filter by overloading the bin, but I bet you'd offset your loss in suction.

Sent from my SM-G920W8 using Tapatalk

No bag in the cyclone, have a bag in the DC


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Offline infer

  • Posts: 6
Well after two weeks of use I find the CT cyclone drops suction so much that my small workshop is starting to fill with dust that was not noticeable before. Tried new bags and bigger hoses. First festool product that I regret buying. My 15 euro chinese dust commander performs much better than the CT-VA.

Offline guitarchitect

  • Posts: 60
...Hand test shows significant reduction in suck (maybe 25-30%)...
If you have a brand new bag I'd suggest swapping it in and see if that makes any odds. I noticed a similar drop in suckage when using the CT-SYS and a new bag all but eliminated it.
I would wonder if you couldn't skip the bag altogether. You'd have to be careful you don't clog your filter by overloading the bin, but I bet you'd offset your loss in suction.

Sent from my SM-G920W8 using Tapatalk

No bag in the cyclone, have a bag in the DC


Sent from my iPhone using Tapatalk Pro
What I'm actually wondering is if you could skip the bag in the DC, though. People report so little dust coming through the pre-separators that leaving out the bag may help recover some suction/static pressure

I'm not surprised at the comments here - early on it was clear this was a fancy thien separator, which have always been said to create a big SP loss compared to a cyclone.

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Offline Dick Mahany

  • Posts: 396

[/quote]What I'm actually wondering is if you could skip the bag in the DC, though. People report so little dust coming through the pre-separators that leaving out the bag may help recover some suction/static pressure

[/quote]

Skipping the bag all together would ruin the expensive  HEPA in short order.  Personally, I wouldn't even try it.

Offline bwehman

  • Posts: 47
Two weeks in running this thing through the daily grind and OHMYGAWD it's amazing. Just cannot believe how well this thing works for being shoved into a systainer form factor. I've run it through sanding workflows, planers (DW735X w/helical blade), jointing, Kapex-ing and all sorts of jigsaw and router tasks, as well as overall shop cleanup, and it really is at least just as good as the dust deputy was in performance and suction, but then of course, it's so much better in form factor and practicality. The clear bin is really invaluable too. With the DD, I'd lose track during a long planing session and then have an oh-crap moment when I finally remembered that I'm probably starting to overflow into the CT bag. It's been great watching the bin slowly fill and then empty before accidentally running it over into the CT. Overall 10/10 would recommend.

Offline RKA

  • Posts: 1288
I wonder why the Oneida couldn’t be manufactured with a clear bin?  As long as the cyclone is conductive the ground path is maintained, so what purpose does the conductive bucket have (other than obscuring the one thing you need to know...is it full yet)?
-Raj

Offline Scorpion

  • Posts: 577
Wood whisperer did a test on YouTube and verified my findings - 30% loss in suction how I’m configured.  Apparently I’m fairly accurate at had suction guesstimating. [emoji41]

After using it for a while I’d say that for some tasks (ones where the collector had maybe more suction than necessary where a reduction isn’t impactful like sanding, where I previously had to turn down the suck of the collector anyway) it works well.  In other cases, where collection was previously barely acceptable (like kapex), the collector just reduces the suction to the point where it can’t capture enough now to be deemed acceptable.

I do not have many tools that create big chips.  I do have a router but haven’t tried it yet.  I suspect it will shine there if it has enough suction to pull all the chips from the work field.

Offline bwehman

  • Posts: 47
I ended up replacing the supplied 27mm hose of the CT-VA with a shortened length of 36mm hose and suction is materially unchanged.