Tiny Might skimmer rockin'

Hahn, it seems that you are now blasting my skimmer with this statement
^^^ what you just said there is exactly what Im saying might be the case with the skimmer that smjtkj has made which is pretty much a 'multi-pump skimmer like deltec's'. See, we agree.

Not appreciated! Just to clear things up, I built this skimmer to mock what the BK skimmers are doing, not multi pump deltecs.
If you have nothing nice to say please refrain from posting on my thread!
 
OK- So do you think that the air making it's way into your skimmer is more than the 3000 L/H pulled by the Deltec AP1004?
 
Sorry smjtkj, I confused pics of your skimmer with those of kentrob11's. His is designed more like a deltec. But do you mean to tell me that if someone happens to see a potential problem with your skimmer design that they shouldn't say anything, or you might take it personal if they do?
 
Well I don't have an air meter to confirm, nor a Deltec to compare side by side with. But it is SUPER dense with bubbles. It does appear to be alot more than a diy skimmer with 4 oceanrunner 3700s with adjustable venturis though. And relatively no turbulence at the top! I actually stuck a piece of gray pvc into the
skimmer body and could not see it in the middle thru the fog of bubbles!
 
No, Not if there is a potential problem. I thought you were just
being nasty out of spite! My mistake.
 
Well Dammit get an air meter! :-P

I would love to see the numbers on that thing....It really stinks that I can't build one of these at this point cuz I really like the direction this is going....Maybe I'll build one just for the heck of it and take it to Istanbul when I move there in a year....
 
Yeah I'll definately have a tank there but I won't know how much space I'll have to work with or whether the equipment will have to be under a stand or not. I was planning on building a custom square skimmer sorta resembling a sponge-bob version of the BK and use a pair of Eheim 1260's with the wirewheels for it. I dunno- Too many things up in the air at this point......
 
Hahn kind of got vilified in this thread and I'm not convinced that it was deserved. I don't think he had any malicious intent when he posted but he likes to discuss all angles of a subject and so sometimes when playing devil's advocate he may come across as negative.

I've seen his posts all over RC and they tend to be rather analytical (which I always like) but I've never seen him attack anyone.

Just my perspective.
 
I wasn't directing that at any one person least of all you, I've just seen Hahn take a beating on a few different threads recently and have felt badly for him.
 
one thing I would like to say about the air intake of this pump is that it seams to be less than what you would expect from a pump of its size. but on the other hand the dwell time makes up for that considerably. the pump I have is not modified like smjtkj's is. I have not ported it to flow better. and the density of the bubbles is a lot more than 3 or 3700 combined. why this is the way it is im not sure yet. im trying to take the research one step at a time. but with The air intake numbers im getting it shouldn't be as decently packed in the main chamber as it is. some of that has to do with the diffuser I feel. it lowers the turbulence in the main chamber and there for slows down the rise of the bubbles. I have a 13 second dwell time in the 30" main chamber on my test stand/skimmer. that's pretty good in my book. now I have not tested it with out the diffuser yet( will later this week) but I feel the dwell time will be a lot less that 13 seconds. the reason I feel it will be less is due to the violent currents inside the main chamber. the flow is blasting across the main body and hitting the other side of the tube and then rising up very fast. a lot of the bubbles don't curve back down they just go to the top and go into the head of foam. there is almost no dwell time there. but when the diffuser is in the skimmer then the bubble current is circling around inside for along time. take a few drops of red food coloring and put them in your skimmer while its running. you can see how long it takes for the water to turn back to its natural clear state. this will give you a rough idea of turn over rate. the longer the turn over rate the better it will skim the water. its not a scientific approach but it will just give a better indication of how long that water stays in the main chamber.

han I don't have a problem with you playing the devils advocate. that is always helpful in any new design. but then you need to say a lot more than what you did. give alternative ideas not just a sentence that says "I think bubble plates are overused in many skimmers where they aren't needed" with no information to base this statement on. if you have information that will help make us understand why we shouldn't use diffusers than by all means post this info. that is what these threads are all about. I think you understand where im coming from. I always ask the question "why". I cant help it. its in my nature.
 
Are you refering to the air the pump draws on it's own or with the air pump? Would you think that 2 tinymights on a 5ft skimmer body be too much? You'll have to forgive me here- I'm still trying to build a cost analysis in my head that has this setup beating the pants out of a Deltec AP1004 yet costing half as much....
 
I am running a air pump to supercharge the skimmer, spazz is not. He is letting the tiny might do it on it's own. I think the 2 tiny mights would be too much for the 5 foot skimmer body unless you go quite a bit larger than 12 in diameter.
 
If there is one thing that has been understated in this and all the other NW threads is to save your money on building tall skimmers and get the largest diameter tube you can. I would gladly go with 25" diameter and 2' tall than go to 10' tall and 12" diameter. It is obviously and exageration, but you get my point. This is especially true to the NW skimmer ebing built with the sequence pumps.
 
<a href=showthread.php?s=&postid=7866049#post7866049 target=_blank>Originally posted</a> by dgasmd
If there is one thing that has been understated in this and all the other NW threads is to save your money on building tall skimmers and get the largest diameter tube you can. I would gladly go with 25" diameter and 2' tall than go to 10' tall and 12" diameter. It is obviously and exageration, but you get my point. This is especially true to the NW skimmer ebing built with the sequence pumps.
Click to expand...

Sadly most vendors only sell in 5' sections. A few, like freckleface, sell 30" sections but not larger than 14" diameter.
 
Sounds like the right idea for sure! So Where does one get those huge acrylic tubes? I've only seen up to 12" as well. Where does SPazz get the huge ones for less than the price of a small car?
 
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