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Homemade Tuna Tube ??

Old 05-08-2013, 03:24 PM
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Default Homemade Tuna Tube ??

Question for the guys that have built tuna tubes.
I want to put a pair or maybe 4 tuna tubes on a 23 Regulator. Is there any difference in stainless vs heavy walled PVC?
What sized and brand of pumps would i be best. Bonito, BFT and YFT up to 8-10 lbs.

Thanks
Old 05-08-2013, 03:25 PM
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For four tubes you will need 2 big pumps. I have two tubes and use a rule 3700
Old 05-08-2013, 06:13 PM
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I have a couple transom Kodiak 8" tubes with 5" inserts. currenty powered by just 1 -1600 gph rule pump
the pump is the smallest one you could use for 2 tubes, but has worked well all season.
the 8" tube can handle at least a 15 pound yellowfin
we actually leave the inserts out and can put 2 or sometimes 3 bonitos in each tube and the will stay alive for a couple hours stacked.
the smaller frigate mackerels are a little more delicate and don't hld up to being stacked in the big tubes
I defintitely plan to add a few more tubes.


, I just have not had the opportunity to pull the boat and install a larger through hull (mine is currently going through just a 3/4 " pickup hole) for a larger pump like the rule 3700 which could actually provide sufficient flow for more than 2 tubes.
jabsco also makes a 12v high flow low pressure center fugal pump which works good.
on larger boats with 110v systems I have seen many used with pond/ well pumps

foe homemade tuna tunes for bonitos 5" pvc fits them good, 6" can fit slightly larger blackfins and yellowfins
Old 05-08-2013, 06:37 PM
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Here are some stainless one's that I made when I had my shop in Mexico. First ones are 7" dia x 19" long and second set are 17" long, worked great.
Notice the 500 gph pumps to 1/2 pipe inlets to create the right water speed past their nostrils. Keep them frisky all day in 90 degree water. Larry's live bait sytle with much larger inlets and pumps don't work near as well.
But mounting pumps this way creates splash so its better to put pumps in bilge and use thru hull to elimate that.
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Old 05-08-2013, 06:38 PM
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Funny this thread came up, went to the plumbing supply house today and picked up my pvc supplies today. My tubes will be used mainly for big mullet, spanish macs, ladyfish and maybe the occasional bonito etc. I'm using 4" PVC and trying to put 4 on the back of my boat in a removable configuration.

Anybody know what kind of flow I would need in a 4" tube to keep spanish, ladyfish..etc? My livewell system is rectangular and doesn't hold large mullet or other large bait very well at all.


I'm using 4" PVC to a 4"->2" reduction bushing then 2" -> 1" reduction bushing, then to a 1" ball valve into 1" PVC feed line.

All my pvc parts at the supply house today were about $70 for all 4 tubes. I will use some spare starboard to attach them.

One of my problems is that my pumps are all mounted above waterline so I cannot use the high flow rules that everybody seems to be using on these. I have to have a self priming pump.

I have two of these pumps ordered, there will be very little head on them and only about a 2' long hose to get to the tubes.
http://www.jamestowndistributors.com...14466&type=pla
Old 05-09-2013, 05:10 AM
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Glad this thread came up. I was wondering the same thing about making some tubes.
Old 05-09-2013, 07:56 AM
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X3

Originally Posted by BEsnook View Post
Glad this thread came up. I was wondering the same thing about making some tubes.
Old 05-09-2013, 08:09 AM
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How well do the Spanish macs do in the tubes? Grabbing a few of those is generally pretty easy. I've always trolled them when trying to catch big kings. Just put them out as soon as I caught them. They seem very fragile though.
Does anyone put big hardtails in their tubes? Would be nice to keep those separate from threads.
Old 05-09-2013, 09:14 AM
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yes you can put big runners in tubes at least for a while
i have tried big spanish, and or cero mackerel they will live a short time in the tubes, but don't seem to live long once bridled up. (through the eye socket)

if making your own tubes, many use a funnel cut to fit the bottom of the tube and epoxied in place with a fitting for hose also epoxied on the funnel bottom.
you can use a cap over the bottom of the tube and funnel for better appearance, and work out you hose connections- epoxy works great for most creative engineering

funnel gives the fished head a nice place to sit with no hard edges and perfect flow to the fished mouth.

if you like doing fiberglass work, a friend of mine made some nice ones using fire extinguishers cylinders as the male mold, he then used these tubes for gunnel mounted and box mounted tubes.

you can also have too much flow to tubes or live wells, the big pumps often require a valve on outflow side to control flow, and most multiple tube systems will also have valve to control flow to each tube
if flow is coming from one side into a series of tubes.

if you have one fish in one tube out of a series of 4 with no valve system the water flow may seek the path of least resistance and flow the majority out of the empty tubes not providing sufficient flow for the occupied tube.
Old 05-09-2013, 09:22 AM
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Speaking of the funnel... The reducing bushings I purchased actually have a natural funnel shape.

Something like this:
Old 05-09-2013, 02:51 PM
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Road cones come in three sizes and the Mayfair pump fittings will secure in the hole on one end.

Here is a tub that I can srew onto the end of my livewell hose so that it maintains a tub filled to about 60% full with a drain. Then I can turn on the recir 500 gph pumps to propvide flow to each tube.

This sits on the back step of my cat secured with 2 straps and requires no holes to be drilled in the hull.

Sorry, I never tried spanish macks in any of them as I would rather eat those than give them to the fish.

These little pumps use about 24 wtts per hr combined so I don't have to run the engines to sustain the larger 3700 rules.
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Old 05-09-2013, 03:08 PM
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Old 05-09-2013, 03:14 PM
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Thanks for all the replies guys!
I'm gonna take a look at the pipe I have around here and work and try to do this as cheaply as possible.
Love those road cones bullsipper. That is creative!
Old 05-09-2013, 03:19 PM
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Here ya go...Mark
http://www.thehulltruth.com/sportfis...una-tubes.html
Old 05-09-2013, 07:30 PM
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I have a 3700 for four tubes and it works well, use it weekly, if not daily. I used 3 liter coke bottles as molds and then fiberglassed them and pulled out the plastic. Here's a pic:


I have put about 4 different types of tubes on my boat, all the same idea, but these bigger tubes work awesome and I have since put 4 in each side. I can put two bonita in each side, and they last almost all day. Also, after this pic was taken, I painted them black on teh inside. Supposedly, bonita are more comfortable in deep dark water and it helps them live longer. I don't know, but it never hurts to try, right?

Don't go with the smaller tubes for bonita, they like the bigger tubes. I had a few paris of smaller tubes on my boat, and I changed them out to this size and the fish live much longer. Not to mention you can put two in each tube. But, on my tubes, the blue runners will turn around and escape. I use a live well for those guys.
Old 05-10-2013, 05:46 PM
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Can a raw water wash down pump hose connection be used to feed 2 homemade tuna tubes? All 3/4 inch PVC with cut off valves to each. Boat is on gulf coast so not sure of gpm pump.
Old 05-10-2013, 06:26 PM
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Oh yeah, i used all 1 inch pipes. The smaller pipes cut the GPM of the pump down.
Old 05-12-2013, 07:29 AM
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Originally Posted by Bullshipper View Post
...
That my friend, is ingenious!
Old 01-04-2015, 06:26 PM
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Originally Posted by Bullshipper View Post
Road cones come in three sizes and the Mayfair pump fittings will secure in the hole on one end.

Here is a tub that I can srew onto the end of my livewell hose so that it maintains a tub filled to about 60% full with a drain. Then I can turn on the recir 500 gph pumps to propvide flow to each tube.

This sits on the back step of my cat secured with 2 straps and requires no holes to be drilled in the hull.

Sorry, I never tried spanish macks in any of them as I would rather eat those than give them to the fish.

These little pumps use about 24 wtts per hr combined so I don't have to run the engines to sustain the larger 3700 rules.
What size LW pump was supplying the tub?

Edit: I think I get it now. The supply does not have to equal the 500 GPH x 2 of the pylon pumps? The water is somewhat recycled? Where is the drain hole located on the tub? I see the holes in the pylons.

Last edited by Gary999; 01-04-2015 at 06:43 PM.
Old 01-04-2015, 07:56 PM
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these work well off my washdown. they are 4" pvc with 1/2" pex tubing supply lines.

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