DIY MaxiJet Stream (Pic Intense)

Lutz493... Has anyone asked about its performance yet?? If not, how is the output of these, and have you compared them to a standard prop??

:fish1::hammer:
 
Let me stay on the topic of this orginal thread to stay within the guidelines of this forum.

I have not tested the flow rate because it was never a concern but I will get an accurate flow rate this weekend. I was inspired by this thread and wanted to see if I could also make a mod to enchance the performance of my waterflow.

I posted some pictures, while blurry are of the housing, impellor and for a better view of the impellor the actual proto-type orginal made.

-Matt


http://secure.eriecoast.com/lutzcnc/frontmod.jpg
http://secure.eriecoast.com/lutzcnc/fullmod.jpg
http://secure.eriecoast.com/lutzcnc/proto2.jpg
 
Last edited:
I am curious, what is everyone using to cut slats in their pvc guard? I have drilled holes and that looks ok, and have used a dremel to cut slats but that never looks very good. So how do you do good looking slats?
 
Matt,

From looking at the photo's I had a question, from the picture of the turbine.... it looks like it would have to spin counter clockwise (that is looking at it from the exit side), and the intake slots on the body look like they are running in the apposite direction diaganolly.... just wondering, if the slot's where shifted the other way... if that would help the water flowing more smoothly through the body?
very clean looking piece.
Al.
 
Last edited:
Hey Matt,

Your impeller design looks very cool and it reminds me of a computer cooling fan. I considered using a small cooling fan for this mod but couldn't find one small enough nor made entirely of plastic.

Very nice indeed.
 
Kevin, I am using a Dremel with a 1/8" grinding bit. The bit is similar to a cut-off wheel, but instead of being thin, it is 1/6" thinck. To make the slots horizontal, I mounted the dremel onto a dremel drill press to hold it on one place, then slowly pushed the housing along. I recall dhnguyen using a miter saw to cut his slots, but that ends up having them run perpendicular to the housing. Drilling can also accomplish the same thing but you end up with less intake I think as you need to make the holes small enough to avoid sucking in fish, but still need to have enough space between holes as to avoid it just falling apart.

:fish1::hammer:
 
Very good observation Whitesquall.

That was the first cut of the impellor and when I did it, I did not realize I cut the blades the wrong way. The impellors in the mods have the blades cut opposite what you see on the proto so they spin the correct way.
 
There really is no "right" way to face the impeller blades. The issue that would come up would be is if the impeller is spinning the correct way. Since the MJ has the ability to spin both directions with no adverse effects, just make sure that when completing the housing, there is some sort of stopper or something that will halt the impeller if it is spinning in the wrong direction. Your impeller design looks superb. When you are placing it in the housing, just make sure that there is some freedom in the length of the impeller so when it begins to turn the wrong direction it pulls itself out and hits the stopper.

:fish1::hammer:
 
So in true stride, I blew a second prop last night. Same thing as the first one, one of the blades sheared off. I blame it on the prop type, not the modification itself. I am now on a third prop, one that is a different brand and material than the previous two. Unfortunately it was a 1.5" prop that I had to sand down to 1.25". I found that you need about 1/8" between the prop and the sidewall for it to push water effectively... Otherwise, the prop doesn't spin properly at all.

Anyhow, the third one is on, it has been balanced as good as I can get it, and so far, so good.

:fish1::hammer:
 
Man I just did the Melev mod and it kicks the crap out of my ole Seio620s and you dont need anything other then the stock power head. Can be found here:

http://reefcentral.com/forums/showthread.php?s=&threadid=632250&perpage=25&pagenumber=1

I did this to a MJ600. I guess the only thing about using the pvc and such is that it makes a wider area of flow.

Best thing though is that the MJ does not have all the headaches that go along with Tamm products.
 
Actually the propeller mod will put out A LOT more flow than the just cutting off the nozzle mod. Not only is the flow wider and more dispursed, it is also a lot stronger. With just one MJ400 I can see flow from one of the tank to the other in my 55g. I am running 2 MJ400 maxi-streams and they produce plenty of flow all around.


D.
 
You must log in or register to reply here.

Similar threads

K
Need help with Sicce MicraPlus Pump Mod for Fluval Evo 5 Tank
Replies
0
Views
160
kingyking888
K
D
DIY Stand Help
Replies
6
Views
370
kharmaguru
kharmaguru
E
Shipping live rock and fish?
Replies
2
Views
162
Reefing102
Reefing102
K
40 Gallon AIO Tank Repair?
Replies
8
Views
220
kingyking888
K
adova
300g DIY Acrylic Tank Recommendations
Replies
5
Views
1K
griss
griss
Back
Top