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V2.4 Hotend Pros/Cons/Recommedantions/Experience

wmattias

Member
Printer Model
Voron 2.4
This has probably been asked many times on Discord, but I'm trying to figure out of there is some concensus / pros / cons on the bewildering array of Hotends out there...

Seems like these are some popular choices, but I can't figure out what the pro / cons of each of them are:
(In terms of reliability, performance, geometry implications, standard/non-standard build, which ones to stay away from, etc).
- Classic v6
- Dragon SF / HF / UHF
- VORON Dragon ST / HF
- Rapido / Rapido Plus
- Mosquito / Mosquito Magnum

What is everyone using (and is happy with / would recommend)?
 

eridum

New member
I'm sure people with experience with multiple hotends will be able to compare. You're also missing Revo. This should be in your list.
My 2cents (and what I use): On Dragon SF
Pros:
  • Never had an issue, never clogged it (>1500h)
  • Can print up to 18-19 mm^3/s with standard brass nozzle (more typically = 15-17)
  • Can print up to 25-26 with CHT nozzle
  • It's a workhorse. I don't remember having someone say they had an issue with it
Cons:
  • If you're aiming for very fast prints (>24mm^3/s), this is not the right Hotend
  • Changing nozzle is not as simple as with E3D Revo
 
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Oberon

Well-known member
Here's what I wrote to a similar question on Reddit about a month ago :


I would go at it this way

1. Unless you want to print with very small nozzle diameter, don't go Revo. Why : max flowrate is too low. Main advantage of Revo is swappable nozzle, which is useful to rapidly switch between a 0.4 and 0.6/0.8 nozzle to print faster.... But even at 0.4 a Voron printer will print faster than a Revo can spit out filament, so there's no point switching to a larger nozzle.

2. High flow nozzles are not the best to begin / tweak your first high end printer with (more oozing, a bit less control on the filament).

3. Dropeffect XG is an interesting proposal, but very new and little feedback/reviews on it. Not saying it's bad, but if your looking for support from the rest of the community you'll get little on the XG for a few months. Nozzle types and availability are limited too.

4. This leaves us with standard nozzles : Dragon, V6, ...

V6 is outdated, groove mount is not the best, neither is cooling.

Dragon just like V6 has a vast standard nozzle choice including hardened/coated/ruby ones and if you need more flow you can use a CHT nozzle which will bring you close to 30mm^3/s with ABS without the downsides of a HF nozzle. It also has good thermal performances and mounting design.

I would go with a Dragon or something similar based on this, and keep an eye on the Dropeffect XG in the near future.

So at the time I did go with the Dragon SF when I built my 2.4 in early 2020, absolutely no issue since and I agree with what @eridum except I'd say you can get up to 28mm^3/s if you raise the hotend temperature a bit. This is PLENTY for you to get used to your printer and then if you really need more you can just change the heatsink and go for a HF.

As for the moskito, my very personal opinion is that I don't like the way that company works, they have not understood or shown any respect for the concept of FOSS and have a strange view on the hobby 3D printing industry from a pricing and advertising pov. For that reason I would not consider buying their products.
 

Oberon

Well-known member
I'm not sure but I think ST is Pheatus' talk for "STandard" and SF is the more general calling for a Standard Flow hotend. I think they're the same thing.

As for the "Voron" version afaik this is just for aesthetics, no performance difference.
 
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NoGuru

Well-known member
I use a E3D V6 and Dragon, and can swap them out in just a few minutes but I don't have a preference on one vs the other. I use both with a hardened .6 nozzle.

I have been considering changing to the Rapido UHF hotend. Looks like it has some advantages but since I am not having issues I might just stay with my setup now.
 

NikkiTr

Member
Had my Magnum on a previous printer so it was a case of having it in stock…. Just integrated it into my Stealthburner and it rocks. High flow, fast and reliable, and means that on big jobs I can run 250mm/s+ without worry about hitting flow issues.

Also ran a Revo 6 - also brilliant, but limited to about 17mm3/. The printed quality was remarkable but just not able to do the capability and speed of the V2-350 justice.
 
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