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Old 04/03/2004, 11:23 PM   #251
niko5
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that shouldent be to much of a problem just about any hobby shop should have them. If not you can try www.hobbytown.com


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Old 04/04/2004, 12:59 PM   #252
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mine are still spinning. i just modified another one and it is even sweeter than the first one now that i have it down to an understanding of all the glitches. the sps are happier than ever.
good luck with yours and let us know how it works out.


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Old 04/06/2004, 04:32 PM   #253
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Just an update for everyone. There was a storm thismorning and I lost power for a few mins. One tried to restart and then just stoped and other couldent decide if it wanted to go foward or back and poped the whole impeller assembly out of the maxi jet... so the one the just stoped i unpluged and pluged it back in and it started right up. Repaired the other and it started right up also so im not really sure why neither started up after the poweroutage weird


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Old 04/06/2004, 07:58 PM   #254
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o'well niko5 look at the bright side you still saved a wod of cash. now lets go get some big sps with the funds we all saved.
mine are still working great allthough i think one of the bushings wore a bit. i think ill spend .50 cents on a new bushing.


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Old 04/06/2004, 08:01 PM   #255
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Yea i wish I had already started a stream fund that i could now use hehe :P


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Old 05/07/2004, 05:29 PM   #256
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this may an absolutely stupid idea....but it has been running through my head since I read this thread.

What if you were to make the propeller housing, like this:


and attach it to return of a closed loop instead of a powerhead. I know there would be no engine driving the propeller to spin, but in my head, I envision the propeller spinning much like a pinwheel in the wind.

The returns from a closed loop seem to deliver a pretty narrow stream of water. If by adding a propeller to the end of it you could get the same thing, it would be awesome!!

Just a thought....please let me know if I am completely off base



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Old 05/07/2004, 05:36 PM   #257
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That might be kind of neat.. It seems like it would work.. I may try and work somethin up and see if it does do anything with the outward flow.

By the way is that Black PVC or black acrylic tube?


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Old 05/07/2004, 07:24 PM   #258
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yeah niko, let me know how it works for you, if at all.

I am going to be adding a closed loop system to my 250 next week and will try this out as well. If it works, awesome.....if it doesn't, its only a couple of extra bucks


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Old 05/07/2004, 07:26 PM   #259
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I wonder if rather than a prop on it you take the pipe and glue in acrylic at the end to make an X and then file the acrylic down to make angled blades and the water would just hit them and be forced to spin out.. i don't know just a thought.. still want to try the prop.


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Old 05/07/2004, 08:39 PM   #260
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Quote:
Originally posted by capt. insano
this may an absolutely stupid idea....but it has been running through my head since I read this thread.

and attach it to return of a closed loop instead of a powerhead. I know there would be no engine driving the propeller to spin, but in my head, I envision the propeller spinning much like a pinwheel in the wind.
not a stupid idea. First thing I thought of, put one infront of a powerhead, and voila, wicked variable flow (not this blast coming out of a 1/2" hole).


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Old 05/10/2004, 06:15 PM   #261
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Just saw this in another thread. It is pretty much like the idea that I had. It fits onto any return, internal pump, or power head to produce a broader, more natural stream of water. REally cool part.....its only $13

http://www.marineandreef.com/shoppro/deflector.html

http://www.hydor.com/index_en.htm (go to "water movement" and select "flo"


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Old 05/10/2004, 06:37 PM   #262
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Does anyone have a GPH estimate maxijet running with a prop?


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Old 05/11/2004, 01:43 PM   #263
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Double...


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Old 05/11/2004, 01:43 PM   #264
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I would say 2 to 3 times the movement. Before I had 4 maxi jet 1200 and now i have 2 modified maxi jets and I can see more flow than I had before.

capt. insano, are you going to buy one of those? If you do let us know how it works.


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Old 05/11/2004, 02:11 PM   #265
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that flo thing is cool but it looks like it produces bubbles from the pic they have on the company site.- check bio-flo, which is just flo with a sponge filter


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Old 05/11/2004, 04:02 PM   #266
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has anyone tried this with another bigger pump type to get more flow?

Could a 600gph pump really crank out somewhere in the 1200-1800gph circulation rate?

My tank is circulated by a single 11w stream pump which is supposed to run about 1600gph. I would love to increase the flow rate without coughing up another $150


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Old 05/11/2004, 05:21 PM   #267
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Some people have used some 600 gph mag drive pond pumps for this but i havent tried it.


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Old 05/12/2004, 06:35 PM   #268
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Quote:
Originally posted by Roadtoad
Does anyone have a GPH estimate maxijet running with a prop?
Depends on the amount of flow you can get to the propeller, and the size of the prop. The one that I ran *felt* like it was doing way more than my return pump was pushing out (700 - 800 gph). My estimate with a 1.5" prop would be in the neighborhood of 800 - 1200 gph, maybe more.


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Old 05/14/2004, 02:15 PM   #269
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*Damage Update*

Well we had a short power bring yesterday and the one iv got with the solid titanium rod (made from the grounding probe) started up just fine. However the one with 1 short pieces of titanium rod (because I havent got a new ground probe to make a full length shaft) did not start back up and appearantly because the outer piece of shaft must vibrate it slowly works away at my acrylic guide in the end of the pipe and normaly when I loose power it breaks it because its worn so thin...

So overall dont cheat make the shaft out of one piece of rod


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Old 09/21/2004, 08:20 PM   #270
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*Update*

Well the one with the solid shaft still starts up after power outage but the one with duel shaft does not...

My problems so far is my acrylic braces on the output side of the pump that hold the shaft centered so the prop can spin keep wearin our or breaking or just poping out (hotmelted in) so today it just hit me like DUH you freaking idiot .

So this is my new design... Slip a 1 1/2" cap over the end of the pipe and cut it out leaivng a ceter and 4 braces. I drilled the center and inserted one of the little red caps tahts in the end of the maxi jets now and the shaft locks into that so the shaft no longer spins only the prop and mag assembly. Well here are some pictures seems to work really good and it even seems to push more water.. maybe because it spins better? i dont know...

http://www.nicksreef.com/images/diy/...gn%2009-21.jpg
http://www.nicksreef.com/images/diy/...ng%2009-21.JPG
http://www.nicksreef.com/images/diy/...op%2009-21.JPG
http://www.nicksreef.com/images/diy/...ut%2009-21.JPG


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Old 09/24/2004, 08:08 PM   #271
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What an inspiration!

After seeing the update, I purchased all the components that I thought I would need to build such a great idea... so far it works awesome. I still have to find a way to mount it. Completed the project in about 2 hours. That included going to the Home Depot for the 1-1/2" Caps.

I had a couple of stipulations:
- I had to do it so more could be made easily
- The Maxi-jet could not be ruined

Parts:

Propeller - $2.25
3/32 Rod - $1.54
Maxi-Jet - $27.95
1-1/2" PVC - Scrap
1-1/2" Cap - $0.58
1/4" Rigid Airline Tubing - Scrap

Here are some photos so far:



INTAKE (1 on top and 1 on bottom)


PROPELLER ASSEMBLY (Stainless Steel) The Stainless Steel rod does not spin, it simply holds the propeller in line.



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Old 09/24/2004, 08:36 PM   #272
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First of all... HOW did you cut the PVC on bottom to have that lip taht locks into the maxi jet??????????????????

Second that SS Shaft may rust on you it may take a month but I think it will still rust. Check some welding shops you can pick up 3ft of 3/32 Grade 2 Titanium for about $10


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Old 09/24/2004, 08:48 PM   #273
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Yeah, I was going to switch to Titanium, but I wanted to make sure that this could be fabricated first.

I cut the lip on the table saw. Just set the blade low and close to the fence and away you go. I used my scroll saw to cut out the top and used my bench grinder to notch out the intakes. Also, I had to reduce the outside size of the PVC pipe, so I spun it around on the grinder as well...


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Old 09/24/2004, 08:53 PM   #274
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damn.. table saw... good idea man you gotta love this place... someone can take a simple idea then everyone adds to it to make the best thing

you ahve any problems with yours starting when you plug it in? or spinning backwards?


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Old 09/24/2004, 08:56 PM   #275
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Another thing for people to take note of cut your caps like ReefWerkes did if you go any lower like my first one you dont get a streight flow it goes up and down rather than out haha i had to redo it and never posted the pic


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