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Festool joining 2x hoses -7m long

 

I'm looking to buy a festool ctm36 vac with the plan to use it with a kapex saw and orbital mainly. The vac come standard with a 3.5m 27mm hose, but you can also get a 3.5m 36mm hose. I've read that the 36mm hose is the way to go with the saw, however with an orbital sander, that size hose would be too big and annoying - 27mm would be better.

I'm wondering, just because it suits the layout of my shed, could I connect the 36mm hose to a 27mm hose (7m long) with the 36mm end at vac and 27 at the orbital sander? I know keeping the hose as short as possible is ideal, but in my layout, it would prevent moving that vac down steps and in to another room just to sand.

Will I loose a lot of suction this way at the mouth of the 27mm end as it attached to the orbital? Thought stepping down the size this way might make it semi ok?

Chris.
 

I've done exactly as you are thinking and it works well.

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On Apr 27, 2024, at 4:12?PM, "Chris via " <hotmail.com@groups.io target=_blank>[email protected]> wrote:

I'm looking to buy a festool ctm36 vac with the plan to use it with a kapex saw and orbital mainly. The vac come standard with a 3.5m 27mm hose, but you can also get a 3.5m 36mm hose. I've read that the 36mm hose is the way to go with the saw, however with an orbital sander, that size hose would be too big and annoying - 27mm would be better.

I'm wondering, just because it suits the layout of my shed, could I connect the 36mm hose to a 27mm hose (7m long) with the 36mm end at vac and 27 at the orbital sander? I know keeping the hose as short as possible is ideal, but in my layout, it would prevent moving that vac down steps and in to another room just to sand.

Will I loose a lot of suction this way at the mouth of the 27mm end as it attached to the orbital? Thought stepping down the size this way might make it semi ok?

Chris.

 

Hey Chris,

I have both hoses, and I don¡¯t know that I notice a large difference in collection between the two. The 36mm one is the woven version, which is a nice upgrade over the ribbed hose. The ribbed one catches on everything and drives me crazy. To answer your question about the loss of suction, that shouldn¡¯t hurt you on the sander. It¡¯s common practice to adjust the suction when using the sander. If you run the vac at 100% it will suck the sander down to your workpiece and increase the likelihood of pigtails and burning out your sander¡¯s pad from increased friction/heat. I usually run my CT at 30-50% when sanding. I don¡¯t notice much dust escaping while sanding.?

Patrick

On Sat, Apr 27, 2024 at 7:12?PM Chris via <Hope752=[email protected]> wrote:
I'm looking to buy a festool ctm36 vac with the plan to use it with a kapex saw and orbital mainly. The vac come standard with a 3.5m 27mm hose, but you can also get a 3.5m 36mm hose. I've read that the 36mm hose is the way to go with the saw, however with an orbital sander, that size hose would be too big and annoying - 27mm would be better.

I'm wondering, just because it suits the layout of my shed, could I connect the 36mm hose to a 27mm hose (7m long) with the 36mm end at vac and 27 at the orbital sander? I know keeping the hose as short as possible is ideal, but in my layout, it would prevent moving that vac down steps and in to another room just to sand.

Will I loose a lot of suction this way at the mouth of the 27mm end as it attached to the orbital? Thought stepping down the size this way might make it semi ok?

Chris.

 

Chris,

I don¡¯t know about theKapex but the 27 mm hose tends to clog when I use an up cut spiral bit aggressively on my OF2200.

Tim House

On Sat, Apr 27, 2024 at 5:12?PM Chris via <Hope752=[email protected]> wrote:
I'm looking to buy a festool ctm36 vac with the plan to use it with a kapex saw and orbital mainly. The vac come standard with a 3.5m 27mm hose, but you can also get a 3.5m 36mm hose. I've read that the 36mm hose is the way to go with the saw, however with an orbital sander, that size hose would be too big and annoying - 27mm would be better.

I'm wondering, just because it suits the layout of my shed, could I connect the 36mm hose to a 27mm hose (7m long) with the 36mm end at vac and 27 at the orbital sander? I know keeping the hose as short as possible is ideal, but in my layout, it would prevent moving that vac down steps and in to another room just to sand.

Will I loose a lot of suction this way at the mouth of the 27mm end as it attached to the orbital? Thought stepping down the size this way might make it semi ok?

Chris.

 

On my kapex, the 36mm works way better for collection than the 27.? Agree, covering the ribs up makes it SO much nicer not to be catching on everything. Also, you can get an aftermarket hose cover.

On Sat, Apr 27, 2024 at 5:01?PM Patrick Kane via <pwk5017=[email protected]> wrote:

Hey Chris,

I have both hoses, and I don¡¯t know that I notice a large difference in collection between the two. The 36mm one is the woven version, which is a nice upgrade over the ribbed hose. The ribbed one catches on everything and drives me crazy. To answer your question about the loss of suction, that shouldn¡¯t hurt you on the sander. It¡¯s common practice to adjust the suction when using the sander. If you run the vac at 100% it will suck the sander down to your workpiece and increase the likelihood of pigtails and burning out your sander¡¯s pad from increased friction/heat. I usually run my CT at 30-50% when sanding. I don¡¯t notice much dust escaping while sanding.?

Patrick

On Sat, Apr 27, 2024 at 7:12?PM Chris via <Hope752=[email protected]> wrote:
I'm looking to buy a festool ctm36 vac with the plan to use it with a kapex saw and orbital mainly. The vac come standard with a 3.5m 27mm hose, but you can also get a 3.5m 36mm hose. I've read that the 36mm hose is the way to go with the saw, however with an orbital sander, that size hose would be too big and annoying - 27mm would be better.

I'm wondering, just because it suits the layout of my shed, could I connect the 36mm hose to a 27mm hose (7m long) with the 36mm end at vac and 27 at the orbital sander? I know keeping the hose as short as possible is ideal, but in my layout, it would prevent moving that vac down steps and in to another room just to sand.

Will I loose a lot of suction this way at the mouth of the 27mm end as it attached to the orbital? Thought stepping down the size this way might make it semi ok?

Chris.

 

Yeah, the plan is to use 36 on kapex and extend to 27mm hose to use orbital. What hose setting on vac for this?
Chris
 

That's fantastic to know. Do I need a joiner between the 2 hoses or will it just connect ?
Chris.
 

For Kapex, the straight 36mm hose is the best (most CFM, which is what you need).? You can use the 36 on a random orbit if you really want with a hose adapter like these:






The challenge with the bigger hoses is that they are heavier and stiffer.? It's harder to use a random orbit sander and ensure that the weight/stiffness of the hose does not pull/tilt the sander down.? Maneuverability is much more difficult.? The straight 27mm hose (or a 27/32) is much easier to handle for a random orbit.

If you wanted only one hose, the 36/32 hose is larger and has much higher CFM than the 27mm variants.? It tapers down to 32mm on the last third of the hose length and is more flexible/lighter than the straight 36mm, but still not as easy to use with a random orbit as the 27mm variants.? You can still use the adapter for connecting to a random orbit.


The 27mm variants all have the small diameter squeeze on connector on the end.? The 32 and 36 variants have a larger opening where you can attach different adapters if you need.

For random orbit, I generally run the Festool extractor at about 50-60%.?? If you are using a 400+ grit sandpaper, you will probably want to turn it down to 30-40% (as the 400 grit has a much tighter seal with the wood).

If I am using a Rotex sander in "Rotex mode", I generally want to turn up the extractor to 100% speed because you really need it at that point.? Since the rotex pad is spinning as well as orbiting, you don't have the suction problem with the wood that you do with a normal random orbit.

I have all 3 hoses in my collection and use all of them in different scenarios.

-Aaron
 

I can't believe how complex the whole system is. I'm new to festool. I definitely agree that the 36mm will be way too hard on the orbital. That's why I want the additional hose that will fix to the the end of the 36mm. This way I get the extra length and can leave the 27mm hose suspended off the roof just above workbench that I can let down as I need it. It can permanently live up there.

Is there any good generic reusable bags other than the $400 festool one? 36L
 

Chris,

The reusable bags are really only intended for tools that make chips such as the Kapex, router, etc. These bags clog really quickly and you lose tons of suction if you use them for sanding. For fine sanding dust the regular bags are the way to go.

A1 Mate makes reusable bags for a fraction of the cost. I have not used them so I can't speak to their quality.

Steve
 

I just ordered these and am on the first one in the pack, seem to work pretty well.?




On Mon, Apr 29, 2024 at 3:37?AM Steven B via <sb=[email protected]> wrote:
Chris,

The reusable bags are really only intended for tools that make chips such as the Kapex, router, etc. These bags clog really quickly and you lose tons of suction if you use them for sanding. For fine sanding dust the regular bags are the way to go.

A1 Mate makes reusable bags for a fraction of the cost. I have not used them so I can't speak to their quality.

Steve

 

Thank you so much!!!?
 

I glad you told me this. I thought maybe they were machine washable.
I'll go for generic once use bags.

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