Just wondering the correct size for a carbon scrubber on the Stanley Blower Mods. What works best for everyone??
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DIY carbon scrubber size for Stanely Blower
- Thread starter slowandeasy
- Start date
I think the blower wheel is ~6". Your inner, scrubber cylinder should be the same size. ~1" of carbon should do the trick so an 8" outer cylinder sounds good. The length of the scrubber is key and will go a long way toward scrubbing the bad stinkies. The "Carbon Scrubber For Dummies" thread has the formula to determine the length you'll need.
6" connection x 8" OD filter body is the size you can find components for at Lowes or Home dePot.
Actually I have the 4 and 6 inch, anyone have luck with that combo?
You can build around what you have, but luck or no luck you are not utilizing the equipment to it's fullest if you choke down to 4". The fan will accept 6 inch, and it only makes good sense to stay with that.
Luck has nothing to do with this, it's all set-in-stone physics.
You asked what works best for everyone, and the 6" is the answer.
Seems your post is more asking for validation that what you have will work, rather than what is best.
Luck has nothing to do with this, it's all set-in-stone physics.
You asked what works best for everyone, and the 6" is the answer.
Seems your post is more asking for validation that what you have will work, rather than what is best.
hoosier's right. Airflow is science. Hate to say it but you really need to swap the 4 inch stuff for 8".
I understand the science behind it, and know that it will not work to full potential. I also know that many people have to adapt for there situation, and have seen many people reduce it. This is for a very small NGB style cab, not a huge room. So I will rephrase my question then. Has anyone used the 4 and 6 inch combo sucessfully,and if so what was your size? I will make it with the 6 and 8 inch if I have to, but for cool tube purpose it will reduce to 4 inch at some point. Thanks for the advice guys, I know what you are saying is the most efficient way.
Not saying it won't work, it's just 6" would be a closer match than 4. You have a good point about the small cab and the 4" tube. If you can slow the blower enough, you might get away with 4" in this setup. A 4" duct will be louder than a 6".
So everybody uses the 6 and 8 inch for there scrubbers?
I can answer that too..
No they don't. What I am providing you are the physical facts. You do with that what you will. Folks do things less than optimum all the time for various reasons.
Don't be a lemming. Everyone else may be tossing off in their cream of wheat...does that mean you join the fray?
Figure out what is what, and what you can do. If you can do it right, do it right. If not, do less. Easy.
Read Disco's last thread a couple of times.
No they don't. What I am providing you are the physical facts. You do with that what you will. Folks do things less than optimum all the time for various reasons.
Don't be a lemming. Everyone else may be tossing off in their cream of wheat...does that mean you join the fray?
Figure out what is what, and what you can do. If you can do it right, do it right. If not, do less. Easy.
Read Disco's last thread a couple of times.
Well Hoosier,
I read The "Carbon Scrubber For Dummies" thread, and thought maybe since I do not have to run it on 3, that maybe you could use the 4 and 6 inch and make the scrubber a little longer? Here is the formula in that thread
D = Diamter of Filter Inner Core (Inches)
H = Filter's Height (Inches)
I = Inner Core Surface Area Square Inch
CFM D H I
150 4 9 113
200 4 12 151
275 6 12 226
375 6 16 302
400 6 24 603
550 8 24 603
650 10 24 754
So with those specs could you not use the fan on 1 or 2 and use the 4x6 scrubber or even 3 if you made it longer? There is a lack of space to fit an 8 inch diameter, that is why I am trying to adapt to a smaller size. I feel as if you are talking down to me, why would you call me a lemming because I cannot use a bigger scrubber? Not cool, I am just trying to figure out an alternative size, not be made fun of. Maybe you should read my 3rd post a few times. I know I will not get the most out of the fan, but it is a very small NGB cab, not a huge room. If it is all about science as you say, then unless you run your fan on high according to the chart I could use the 4 inch, please correct me if I am wrong.
I read The "Carbon Scrubber For Dummies" thread, and thought maybe since I do not have to run it on 3, that maybe you could use the 4 and 6 inch and make the scrubber a little longer? Here is the formula in that thread
D = Diamter of Filter Inner Core (Inches)
H = Filter's Height (Inches)
I = Inner Core Surface Area Square Inch
CFM D H I
150 4 9 113
200 4 12 151
275 6 12 226
375 6 16 302
400 6 24 603
550 8 24 603
650 10 24 754
So with those specs could you not use the fan on 1 or 2 and use the 4x6 scrubber or even 3 if you made it longer? There is a lack of space to fit an 8 inch diameter, that is why I am trying to adapt to a smaller size. I feel as if you are talking down to me, why would you call me a lemming because I cannot use a bigger scrubber? Not cool, I am just trying to figure out an alternative size, not be made fun of. Maybe you should read my 3rd post a few times. I know I will not get the most out of the fan, but it is a very small NGB cab, not a huge room. If it is all about science as you say, then unless you run your fan on high according to the chart I could use the 4 inch, please correct me if I am wrong.
slowandeasy, sounds like you could pull this off. You've got a scalable fan should you decide to expand in the future. Good luck with the setup.
sheesh
sheesh? What is that supposed to mean? Go troll somewhere else
4 inch circle area - 12.56 sq. in.
6 inch circle area - 28.26 sq. in.
You're considering the 2-1/4 times smaller option.
I think hoosier's in the air business. Your space is limited but you have a big ass fan. Choking it with a small duct may be inconsequential or it might be one of the first things you have to modify. I recognized the direction you're headed and reluctantly endorsed your plan. hoosier's not a troll, just being realistic.
EDIT: Here's some data on your fan.
Low speed - 190 cfm
Medium speed - 260 cfm
High speed - 310 cfm
6 inch circle area - 28.26 sq. in.
You're considering the 2-1/4 times smaller option.
I think hoosier's in the air business. Your space is limited but you have a big ass fan. Choking it with a small duct may be inconsequential or it might be one of the first things you have to modify. I recognized the direction you're headed and reluctantly endorsed your plan. hoosier's not a troll, just being realistic.
EDIT: Here's some data on your fan.
Low speed - 190 cfm
Medium speed - 260 cfm
High speed - 310 cfm
190 cfm on low is hardly a big ass fan! I am not trying to start an argument, I believe I have a valid question. Just wondering if you can just make it longer, instead of wider? That seems to be the pattern if you look at the formula. MAybe make the filter say 16 inches instead of 12? Sorry to call hoosier a troll, but making usless comments is worthless to me and everyone else.
shoot em a pm and ask what their filter size is.Air flow is only as good as the smallest link in the system. Increasing filter length will not increase air flow in your tube/4" duct.
Increasing the length is to make it less restricting, which could help airflow? Also, by reducing the size to 4 inch it would be reducing the cfm's correct? Then if the cfm's decrease, so would the size of the filter right? Yes it is choking the fan, but I have always ran it with the 4 inch hose, because of cooltube and it works well...just never made a nice scrubber for it.
So lets say I try to make one out of the 4 inch and see how it works. If not, can always upgrade. What if it was made with a 4 and 5 inch? That would increase airflow because of less carbon. Not sure if it would work or not. What should the airflow feel like coming out of the correct size filter?
So lets say I try to make one out of the 4 inch and see how it works. If not, can always upgrade. What if it was made with a 4 and 5 inch? That would increase airflow because of less carbon. Not sure if it would work or not. What should the airflow feel like coming out of the correct size filter?
uh,
