Building a Cheap Fishing Kayak
video description
1) Built the entire rig first.
2)have a platform, this need not be thick but must be square and cover much of the top. Ever built ikea flat-pack furniture? It always relies on a pressed wood-cellulose type backing that gives the whole piece of crap rigidity.
3) Bolt the structure thru the pvc from the inside so you have threaded posts to fasten the superstructure to.
4) once complete then fill pvc tubes with empty large pop bottles. (make sure to get tubes that can accomodate them)
5) cap ends.
6)THEN drill fill holes to pump foam to fill space between bottles. each bottle is super-tough, and you use 90% less foam.
In fact you could even skip the foam, make 1 holes along pvc and allow it to fill with water in the remaining space, the bottles still are doing the floating. That would be cheaper, and eliminate hassles from leaks, plus allow for drainage.
Date: 2020-11-25
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Comments and reviews: 9
thermann9
I'm seeing this two years too late: ( But you need to do a simple calculation using Archimedes Principle to calculate the required buoyancy. Take the weight of the rider, any fishing equipment and the weight of the boat. Then find the displacement capability of the material you are using and adjust accordingly. That will tell you how much material you would for the rider, equipment and boat to float.
For example, a 6 foot section of a 3. 5 diameter pool noodle will float approximately 24 pounds of weight. If the total weight you are trying to float is 250 pounds, you'd need 10 1/2 pool noodles. I'm sure you can find similar displacement listings for wood and/or pvc piping, too.
Good luck, fun vid to watch.
reply
I'm seeing this two years too late: ( But you need to do a simple calculation using Archimedes Principle to calculate the required buoyancy. Take the weight of the rider, any fishing equipment and the weight of the boat. Then find the displacement capability of the material you are using and adjust accordingly. That will tell you how much material you would for the rider, equipment and boat to float.
For example, a 6 foot section of a 3. 5 diameter pool noodle will float approximately 24 pounds of weight. If the total weight you are trying to float is 250 pounds, you'd need 10 1/2 pool noodles. I'm sure you can find similar displacement listings for wood and/or pvc piping, too.
Good luck, fun vid to watch.
reply
C.
A little geometry to find the volume of the inside of you tubes gives you the water weight displacement (8 lbs per gal / 7. 48 gals per cubic foot). Figure your loaded as weigh of tubes, lumber and hardware as well at seat and passenger, rods and tackle. If the water displaced weight is just a pound more than loaded weight, it will float, but not well. Should shoot for 30% more displaced weight than loaded weight. 50% even better and more stable. 8ft x 6 pvc pipe displaces about 94 lbs of water. Boat(120lbs, passenger (185, tackle equipment (20 lbs) figure loaded weight of about 325 to 350 lbs, you needed at least 4 pipes to float and not well.
reply
A little geometry to find the volume of the inside of you tubes gives you the water weight displacement (8 lbs per gal / 7. 48 gals per cubic foot). Figure your loaded as weigh of tubes, lumber and hardware as well at seat and passenger, rods and tackle. If the water displaced weight is just a pound more than loaded weight, it will float, but not well. Should shoot for 30% more displaced weight than loaded weight. 50% even better and more stable. 8ft x 6 pvc pipe displaces about 94 lbs of water. Boat(120lbs, passenger (185, tackle equipment (20 lbs) figure loaded weight of about 325 to 350 lbs, you needed at least 4 pipes to float and not well.
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john
Not only do they make 4 sewer fittings to fit the thinner pipe, they also sell adapter sleeves to be able to glue sch 40 fittings to it.
A really buoyant kayak would use 6 thin wall, and no foam. Unless you hit an Iceberg, you're not puncturing PVC.
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Not only do they make 4 sewer fittings to fit the thinner pipe, they also sell adapter sleeves to be able to glue sch 40 fittings to it.
A really buoyant kayak would use 6 thin wall, and no foam. Unless you hit an Iceberg, you're not puncturing PVC.
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Jacob
Just make the whole thing out of pvp pipes using the least amount of wood possible. Use L shaped pvp pipes at the front and back and use T shapped pvp pipes in the middle so there are 2 or 3 rows of them. Drill the holes to put in a bunch of foam.
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Just make the whole thing out of pvp pipes using the least amount of wood possible. Use L shaped pvp pipes at the front and back and use T shapped pvp pipes in the middle so there are 2 or 3 rows of them. Drill the holes to put in a bunch of foam.
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unequal
Use to Blue 50 gallon drums doc drums filled with foam or one blue drum cut into with spray foam with driftwood of your choice for framing do you accept the challenge challenge for you outlaw and unkers Demolition Ranch
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Use to Blue 50 gallon drums doc drums filled with foam or one blue drum cut into with spray foam with driftwood of your choice for framing do you accept the challenge challenge for you outlaw and unkers Demolition Ranch
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Barfing
1: 20min Rob stroking his big pipe, classic!
LFG your finished wall is perfect, good job.
Fishing off the sic CHODE, spot on.
I swear you can catch fish out of an empty toilet bowl!
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1: 20min Rob stroking his big pipe, classic!
LFG your finished wall is perfect, good job.
Fishing off the sic CHODE, spot on.
I swear you can catch fish out of an empty toilet bowl!
reply
will
I hate to tell you but if you dident fill the tube with all that foam it would float better the weight of the foam took away from your buoyancy once you sealed the pvc thats all your needed.
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I hate to tell you but if you dident fill the tube with all that foam it would float better the weight of the foam took away from your buoyancy once you sealed the pvc thats all your needed.
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WDTA
1. For 140, you can build a decent row boat for fishing. Sure, it will take longer, it will work better.
2. Get some ear protection, use it, or learn to spell 'tinnitus'.
reply
1. For 140, you can build a decent row boat for fishing. Sure, it will take longer, it will work better.
2. Get some ear protection, use it, or learn to spell 'tinnitus'.
reply
The
You could of drilled into the off and installed tire valve stems and if your joints were good you could of put 50 lbs or so of psi, that would have increased the buoyancy.
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You could of drilled into the off and installed tire valve stems and if your joints were good you could of put 50 lbs or so of psi, that would have increased the buoyancy.
reply
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