“Post a video of it doing 80L/hr”
posts video of 37L/hr
“That’s not 80L/hr…?”
“Well yeah guys it will do that if I crank the shit out of it! It was a typo! We only test things under normal working conditions! I never said that!”
Oh. My. God.
The deflection is incredible.
This thread has turned into one of the industries biggest facepalms.
To be perfectly fair 37L/hr is not terrible at all for a 20L but everything else about the delivery falls flat on its face and the slaps itself repeatedly
But that’s the point is it not? Im pretty sure most people here would never have called him out if he claimed “37L/hr under normal operating parameters”.
Summit doesn’t sell equipment by advertising great throughput numbers that people would get behind, he does it by advertising outlandish throughput numbers only achieved by pushing equipment to the max using ancillary gear most labs wouldn’t normally buy for a 20L roto, and then deflecting when people call him on it.
For some reason he thinks having a pressurized vessel to push the solution in at 30 psi or whatever the fuck will help with his evaporation rate. It will, but the energy to vaporize ethanol its MUCH more then the energy to raise its temp. So even if you pressurize the solvent you wont be able to get enough energy in the solvent to “instantly vaporize” under vacuum. Youd need to quadruple the speed to get 80 LPH, no way a pressure vessel would do that.
Another thing why rotos suck
They’re glass…
Glass is almost like an insulator, it doesnt like to transfer heat.
We all know steel transfers heat 20x better then glass. Youd need more then 15 kw to hit 80 lph IMO because its glass.
For the cost of the full package it’s horrible
You know how much were building my falling film for
Itll be less then this roto and do 12 to 15x the output
Your falling film, like everyone else’s…doesn’t remove all the alcohol from feedstock. You still need a roto. My product is just another tool. Nobody cares about your half asses opinion. You can’t even do math, at 62/63c I was half way to 80. Not 1/4. And we used freezing Cold feedstock!!! lower CFM pumps, and you clearly can’t differentiate what your seeing, plus the first five to ten minutes I was adjusting it the whole time… I did a dead stop start on purpose(and didn’t wait for the coil to freeze out the glass) so lames like you wouldn’t conplain. my roto actually on a basic configuration costs 4-5k more than any across, or similar roto… sooooo you should probably re do your math is before making comments like that.
Don’t worry sugar plum. When I run down the other solvents, I’ll crank this baby up with a different ancilllary connections and make a video just for you. See I wasn’t going to crank my roto up to 120c to show off a demo with unrealistic temps. So I backed it off, including the speeds.
But you know. Youd know that if you listened.
To be fair, it was my intention to piss you off since I knew I would be placing myself in a trap showing off rocketing speeds at 120c like the competition has been. My goal was showing honest realistic mild temps. Could you imagine how much YOU WOULD CALL ME OUT if I crank a roto unrealistic. I mean you’d be doing what you are doing now. Deflecting from the performance charachteristics and facts displayed on video.
You’ll always have some twisted bullshit comment to make. Hell maybe one day big things will happen for you and you’ll see some success selling machines or running a business. Maybe one day. But till then my name comes out of your mouth while you sleep - rediculous bullshit. And you can’t even comprehend the things around you like details of testing…hahahahahahahaha. Go turn on other rotos at 63c. They won’t perform like mine. Also if you diffuse inlet with psi under vacuum you remove a gigantic requirement of kw. . Don’t you know that with your falling film.
Ok. So you don’t do unrealistic testing. You just advertise the numbers derived from unrealistic testing. Is that somehow better?
You’re actually wrong on that one. Glad you know so much about my tech that you can speak on it -_-
I’m building the most efficient falling film on the market so sit down
Theres no reason you shouldnt be able to get below 1% residual solvent.
https://www.instagram.com/p/B7UGNUJhJ1v/?igshid=lorcldhr5l90
@downtheterphole can confirm this I’m sure.
Cool so you’re going to crank your roto up using pentane which evaporates 3x faster then alcohol?
Dam bro you’re so desperate you need to use hydro carbons now?
We want to see 80 lph ethanol like you promised
The deflection is real
You’re the one promising unrealistic results
Why would I give a fuck if you cranked it up and actually hit what you promises?
You’re reverse psychology dont work on me
Put a temperature probe In the feedstock lol you did NOT use freezing cold solvent.
hot oil and stainless steel. much more surface and ~10x the heat input capability.
as far as rotovaps go this looks good. it’s definitely not going to get near full claimed speeds without external pre heating and a GIANT chiller.
solvent removal isn’t hard at all. it’s putting that heat somewhere else efficiently at a larger scale that is difficult.
hence the name MAX roto. push it to the max brother
probably going to stop looking into this system after seeing the video.
watched the youtube video of the system in operation, looks beautiful, if it was competitively priced i would certainly entertain the possibility of purchasing one over USA labs or XD.
I feel this system has one critical flaw though; and thats, that you must break vacuum every time to empty the receiving flask. Sure just buy a discharge pump, but that adds complexity and cost to the entire purchase, if anything, this rotovap, while innovative in some aspects, is a step backwards in others.
as far as the recovery rates; we all knew it wasent going to hit 80L an hour, even with what its real throughput it is still pretty quick. if you want 80L+ get a falling film.
as far as a rotovaps go, i will go out on a limb and say this is one of the most technologicaly advanced rotos currently available, if i saw this without knowledge of it being summits id think it was some crazy German engineered rotovap, cause we all have seen the pictures of those crazy 200L explosive resistant monsters.
will i be purchasing one, No, i personally dont have a need for such a thing, and if i was going to drop big money on a rotovap (which i would never) id go with a fully automated heidolph, yes way more expensive than this summit, but the labor saving would pay for it eventually.
U dont really need a discharge pump, just another vac pump and a vessel that is deeper vacuum than the roto.
You could achieve that with the same pump ur currently using just get a tee and two valves, when u want to empty move the pump towards the vac vessel and atop the vac on the roto. If u knew how fast it went u could set up solenoid valves on a timer.
Also this is a crazy engineered german roto, he wasnt the first to make this design…
[quote=“goldleaf_scientific, post:481, topic:56080”]
this is true could just use a carboy and pump, but why, just seems like another complication, bandaids on a poor design. with my rotos i can just take a 5G bucket set it underneath the receiving flask and walk away, easy pezy, doesnt effect operation at all.
yeah i saw that lol, nothings new under the sun my friend, designs close but not a perfect 1 to 1 copy
What rotos do u have that discharge into open atmosphere?
Most? They usually have that little pizza box table looking stop valve above the receiving flask that let you bring the flask back to atmospheric pressure while the system stays under vac.
Edit: But you wouldn’t be able to just walk away from that, you have to manually close the drain and open the vac back up to bring the rf back to system pressure for the stop valve to open back up
i have USA labs 50L with dual receivers, theres a shuttle valve that closes when you vent the recieviving flask to drain, majority of the system is still under vacuum, and evaporation continues.
Im confused, ur still coming over and manually emptying with that process. I thought u meant it was automatic, like a discharge pump would be.
Lol thought u had some magic roto, the way u described it haha
My solution would be automatic and u wouldnt have to come back to empty it
