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Review: Dragon Hotend  

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Dr. Mabuse
(@dr-mabuse)
Active Member
RE: Review: Dragon Hotend

Sorry for being OT 🙂 but could someone recommend a torque wrench please?

Posted : 14/11/2021 5:14 am
fuchsr
(@fuchsr)
Famed Member
Torque Wrench

I printed the 3 Nm version of these babies: https://www.prusaprinters.org/prints/24539-torque-wrench-handles-from-10nm-up-to-30nm/comments

Works great. Never had any issues, with Dragon or E3D V6 hotends.

Posted : 14/11/2021 12:12 pm
Grzegorz
(@grzegorz)
Eminent Member
RE: Review: Dragon Hotend

Hello,

i want use the Dragon but see two problems, can you help? In the original MK3S the heating cartridge is at the back, in the Dragonfly at the front and it looks like I couldn't pull the heating cartridge cables over to my Prusa printer without having to dismantle the Prusa’s original wiring harness. Can the Dragonfly be twisted with the inscription backwards? At the top of the Dragonfly I can also see this blue locking ring with the nose, to me it looks as if the nose would not fit into the original Prusa plastic part of the extruder. Thanks for Help.

Posted by: @cwbullet

The Dragon Hotend is relatively new to the market.  Trianglelab has released this new product in January.   This product appears to take features from both the E3D V6 and Mosquito Hotend and integrates them into a small and effective package.  I have been using the standard model for several weeks on my MK3S and I am impressed.  

The Dragon Hotend is a drop-in replacement for the E3D V6.  The upgrade process was extremely easy.  The only adjustment I had to do was redo the first layer calibration.  The structure of the Dragon has increased structural rigidity and improved thermal performance.  

The Dragon Hotend also takes some novel features from the Mosquito Hotend design.  It uses 4 stainless steel tubes to connect the heat block to the heatsink.  The thermal transfer is lowered and, like the Mosquito, one-handed nozzle changes are now a possibility.   The rounded mount can allow the Hotend to spin, I added a small piece of high-temperature electrical tape to prevent this.   The best part is that it seems to jam less the e3d V6.  

There is a high flow and standard flow version.  Reportedly, the high flow is similar to the Volcano but with the same footprint as the V6.  I cannot confirm this because I own the standard.  

The bottom line:  The Dragon Hotend is a pretty good product.  I have been using it for 2 months and I would recommend it.  The all-metal construction of the heat break creates good thermal performance while maintaining V6 compatibility. The Dragon is one of the best Hotends I own. It is not cheap by it worth every penny. 

Amazon:

  1. Dragon Standard Flow
  2. Dragon High Flow

 

 

 

Posted : 06/12/2021 11:59 am
cwbullet
(@cwbullet)
Topic starter answered:
RE: Review: Dragon Hotend

I have not installed the Dragon Fly on an MK3S.  That is a different hotend.  I will look at mine and see if I would have to alter the files.  

Posted by: @grzegorz

Hello,

i want use the Dragon but see two problems, can you help? In the original MK3S the heating cartridge is at the back, in the Dragonfly at the front and it looks like I couldn't pull the heating cartridge cables over to my Prusa printer without having to dismantle the Prusa’s original wiring harness. Can the Dragonfly be twisted with the inscription backwards? At the top of the Dragonfly I can also see this blue locking ring with the nose, to me it looks as if the nose would not fit into the original Prusa plastic part of the extruder. Thanks for Help.

Posted by: @cwbullet

The Dragon Hotend is relatively new to the market.  Trianglelab has released this new product in January.   This product appears to take features from both the E3D V6 and Mosquito Hotend and integrates them into a small and effective package.  I have been using the standard model for several weeks on my MK3S and I am impressed.  

The Dragon Hotend is a drop-in replacement for the E3D V6.  The upgrade process was extremely easy.  The only adjustment I had to do was redo the first layer calibration.  The structure of the Dragon has increased structural rigidity and improved thermal performance.  

The Dragon Hotend also takes some novel features from the Mosquito Hotend design.  It uses 4 stainless steel tubes to connect the heat block to the heatsink.  The thermal transfer is lowered and, like the Mosquito, one-handed nozzle changes are now a possibility.   The rounded mount can allow the Hotend to spin, I added a small piece of high-temperature electrical tape to prevent this.   The best part is that it seems to jam less the e3d V6.  

There is a high flow and standard flow version.  Reportedly, the high flow is similar to the Volcano but with the same footprint as the V6.  I cannot confirm this because I own the standard.  

The bottom line:  The Dragon Hotend is a pretty good product.  I have been using it for 2 months and I would recommend it.  The all-metal construction of the heat break creates good thermal performance while maintaining V6 compatibility. The Dragon is one of the best Hotends I own. It is not cheap by it worth every penny. 

Amazon:

  1. Dragon Standard Flow
  2. Dragon High Flow

 

 

 

 

--------------------
Chuck H
3D Printer Review Blog

Posted : 06/12/2021 12:22 pm
fuchsr
(@fuchsr)
Famed Member
RE: Review: Dragon Hotend

@grzegorz

Assuming you're talking Dragon, not Dragonfly hotend, sure you can rotate it backward, but it should fit just fine without doing so.

The collet ring on top that comes with it is too big to fit. Either download one of the many alternative versions from the interwebs and print a smaller one, or—as I did—I just clipped the small tab with wire cutters.

Posted : 06/12/2021 1:01 pm
Grzegorz
(@grzegorz)
Eminent Member
RE: Review: Dragon Hotend

Sorry, I thought you mentioned this hotend

Posted : 06/12/2021 1:07 pm
fuchsr
(@fuchsr)
Famed Member
RE: Review: Dragon Hotend

That's the Dragonfly hotend. I don't have one but I don't see any reason why you couldn't clip the nose of the collet ring.

Posted : 06/12/2021 1:14 pm
Grzegorz
(@grzegorz)
Eminent Member
RE: Review: Dragon Hotend

Thank you, I'm talking about this hotend.

It is said to be compatible with MK3S +

I've also thought of cutting off this nose

Posted by: @fuchsr

@grzegorz

Assuming you're talking Dragon, not Dragonfly hotend, sure you can rotate it backward, but it should fit just fine without doing so.

The collet ring on top that comes with it is too big to fit. Either download one of the many alternative versions from the interwebs and print a smaller one, or—as I did—I just clipped the small tab with wire cutters.

 

Posted : 06/12/2021 1:14 pm
Grzegorz
(@grzegorz)
Eminent Member
RE: Review: Dragon Hotend

ok thanks for the help, rotate and cut

Posted by: @fuchsr

That's the Dragonfly hotend. I don't have one but I don't see any reason why you couldn't clip the nose of the collet ring.

 

Posted : 06/12/2021 1:17 pm
cwbullet
(@cwbullet)
Topic starter answered:
RE: Review: Dragon Hotend

The Dragon and Dragonfly are both hotends.  Both should work with the Mk3S.  

--------------------
Chuck H
3D Printer Review Blog

Posted : 06/12/2021 1:23 pm
Grzegorz
(@grzegorz)
Eminent Member
RE: Review: Dragon Hotend

Thank you, I only have one last question, unfortunately I can't print or order it so quickly, the hotend comes on Wednesday.

How do I do it best without a torque wrench?

Posted by: @cwbullet

The Dragon and Dragonfly are both hotends.  Both should work with the Mk3S.  

 

Posted : 06/12/2021 1:32 pm
cwbullet
(@cwbullet)
Topic starter answered:
RE: Review: Dragon Hotend

I use a standard ratching wrench.  I am careful not to over tighten.  

--------------------
Chuck H
3D Printer Review Blog

Posted : 06/12/2021 1:39 pm
Grzegorz
(@grzegorz)
Eminent Member
RE: Review: Dragon Hotend

Thank you, unfortunately I don't have one, but I think the hotend is assembled so I won't need it for the first time

Posted by: @cwbullet

I use a standard ratching wrench.  I am careful not to over tighten.  

 

Posted : 06/12/2021 1:41 pm
eKay
 eKay
(@ekay)
New Member
RE: Review: Dragon Hotend

Any tips on the retraction settings on how to get rid of the stringing?

Love the hotend but this has been bothering me.

Posted : 04/01/2022 2:46 am
eKay
 eKay
(@ekay)
New Member
RE: Review: Dragon Hotend

Any tips on the retraction settings on how to get rid of the stringing?

Love the hotend but this has been bothering me.

Posted : 04/01/2022 2:46 am
cwbullet
(@cwbullet)
Topic starter answered:
RE:

Any stringing I have had is caused by the filament and not the hotend.  

Posted by: @ekay

Any tips on the retraction settings on how to get rid of the stringing?

Love the hotend but this has been bothering me.

 

--------------------
Chuck H
3D Printer Review Blog

Posted : 04/01/2022 2:47 am
fuchsr
(@fuchsr)
Famed Member
RE: Review: Dragon Hotend

Any stringing I have had is caused by the filament and not the hotend.  

What Chuck said. I have a Dragon on 2 Mk3S and 2 Minis, and I don't see any difference in stringing compared to the stock hotend.

Posted : 04/01/2022 2:51 am
eKay
 eKay
(@ekay)
New Member
RE: Review: Dragon Hotend

 

Posted by: @cwbullet

Any stringing I have had is caused by the filament and not the hotend.  

Posted by: @ekay

Any tips on the retraction settings on how to get rid of the stringing?

Love the hotend but this has been bothering me.

 

 

Posted by: @fuchsr

Any stringing I have had is caused by the filament and not the hotend.  

What Chuck said. I have a Dragon on 2 Mk3S and 2 Minis, and I don't see any difference in stringing compared to the stock hotend.

 What temperature setting do you use for PLA? 

Posted : 04/01/2022 2:53 am
JoanTabb
(@joantabb)
Moderator
RE: Review: Dragon Hotend

Normally 200 - 210C
but I have had one that would string like crazy down to 170C. for that one I had to change the low temperature extrusion limit, because the printer normally refuses to print at 170C

regards Joan

 

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Posted : 04/01/2022 7:37 am
fuchsr
(@fuchsr)
Famed Member
RE:

One of the nice things about the Dragon is that (at least in my hands) there's no need to change anything. The Generic PLA profile works fine in most cases, I make adjustments to extrusion rate as needed for specific filaments. You can run a temp tower as needed to optimize the temperature, but most brands of quality filament perform nicely across a wide temperature spectrum. Of course, there are exceptions. Many brands of wood filament, for example, will string like there's no tomorrow so you'll want to drop the temperature as much as possible. Also check out Bob's notebook: https://projects.ttlexceeded.com/3dprinting_techniques_calibrating_filament.html

 

Posted : 04/01/2022 12:01 pm
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