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no replacement of displacement? perfect size/ least draft

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Discussion starter · #141 · (Edited)
what I found very interesting is how much the rake had to do with the displacement. notice the 2 top boats are on 60", the 1st is 60x 20"
and the 2nd is 60"x30" rake. this is 92.4lbs less of displacement. but if you look at the bottom illustration 48" long x 20" tall rake allows for 12" longer full hull shape and actually displaces 324.1 more lbs. than the straight 60"x30" rake!



 
Discussion starter · #143 · (Edited)
so I think I was off a little before on "POD displacement" here I figured what a set of pods are actually worth. so if your pods are 20"x24" and they again sit 8" deep in the water they will displace 277.4lbs!!!!! that is the same as 12" of a 80" wide hull! This really shows how valuable a good set of pods are!



 
Discussion starter · #144 ·
all that information means that if you use a short rake and pods it will actually float a heavier load in a 16' boat vs. a 18' boat with a 5'rake and w/o pods.

1680 with 48"x20" rake and 30" sides and 20"x24" pods will float 3947.4 lbs
1880 with 60"x30" rake and 30"sides w/o pods will only float 3921.2 lbs

of course more displacement wins! but what you may not realize is it doesn't have to mean a longer boat.



 
#145 ·
Friday night I fished on the best boat I've been on. An airboat. Runs and idles like a truck, turns on a dime, steep rake doesn't push a wave when fishing, any truck can pull it, ran a few miles on plane and fished a few hours an burnt 8 gallons (my boat would have burnt 20). Did I mention it's quiet? My boat runs 28-30 cruising at 3600rpm. That boat runs the same speed turning 3100rpm, with about 200 less cubic inches. I said it was good on gas right? Y'all are thinking too hard about this boat deal.
 
Discussion starter · #146 ·
none of us are fishing up here, im just keeping myself busy. when the water is high I still dream of carp. I know most would not consider putting this much time into a hull design, but you said you fished on a rig that was much smoother, quieter, better mpg than the boat you have. isn't that disappointing? to know you could do better? you said 200ci less, I translate that's as "lighter weight smaller block" . .. . . .don't know if you built your rig "afflicted" but I couldn't sleep at night knowing that my boat wasn't the best it could be.



 
#147 ·
Rambo, I think that you have proven your point. There is, in fact, no replacement for displacement. I like the short rake, like Kajun's boat. I was shooting for 60" of rake in the scale model boat, but 72" was the best I could do. .125" hull in a 1/8 scale = 1" thick, so that was a tight bend for an idiot like me. I'm looking forward to stealing all of your good ideas when I start building mine!:laugh:
 
Discussion starter · #148 ·
to the few who care the information isn't useless and will be here for years to come. im done sharing my thoughts so others can tear them apart. you can turn your nose up at me if you want. you caint argue with science or math.



 
#149 ·
whiteriverrambo said:
to the few who care the information isn't useless and will be here for years to come. im done sharing my thoughts so others can tear them apart. you can turn your nose up at me if you want. you caint argue with science or math.
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I appreciate it for sure. That right there was quite a bit of work. I'm with you on this one Rambo. The devil is in the details, and anybody that says you are overthinking this, with all due respect, has a flawed line of thought.
 
#150 ·
whiteriverrambo said:
to the few who care the information isn't useless and will be here for years to come. im done sharing my thoughts so others can tear them apart. you can turn your nose up at me if you want. you caint argue with science or math.
Click to expand...
Some good stuff there, fished yesterday with Zimboydevon and we both have 2072, and when pulled alongside on the water his G3 boat seemed to float higher in the water than our SeaArk and was noticing that on the water and trailer after we pulled out and looked like the G3 has less rake on front compared to the SeaArk....hadn't looked at this thread in a while but very interesting
 
#151 ·
afflicted said:
Friday night I fished on the best boat I've been on. An airboat. Runs and idles like a truck, turns on a dime, steep rake doesn't push a wave when fishing, any truck can pull it, ran a few miles on plane and fished a few hours an burnt 8 gallons (my boat would have burnt 20). Did I mention it's quiet? My boat runs 28-30 cruising at 3600rpm. That boat runs the same speed turning 3100rpm, with about 200 less cubic inches. I said it was good on gas right? Y'all are thinking too hard about this boat deal.
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How does a steep rake not push a wake?
How about some spec's if u r gonna make this claim?
I for one like to think about and appreciate this.
i'd bet the guy that built this best boat gave it a hell of a lot of thought.
Spec up or shut it.
 
#152 ·
Istickem...
And Rambo,btw I know u know ur way around a boat and a welder. But for inquiring minds......

Mine has a longer rake. It's a few inches short of 18ft long his is 16ft I think. Mine while fishing an gassing on it will roll a wave out front an kinda blind u. The front sits lower in the water on mine with ppl up front fishing(and it has an 800lb big block counterweight in the back too). His rake is steeper and even gassing on it with us up front the water line is a foot below the "bumper", where mine is rolling a wave. Waterline is higher even tho my boat is longer and wider and twice the motor weight in the back (which counteracts weight up front). Mine uses gas like there is a hole in the tank. The other has a 350 1.77:1 reduction turns 4000 wide open. I guess bc it's short but his turns on a dime when going SLOW, my wont turn in its own tracks like that if it ain't shallow without getting on it . His turns like a bobcat. A half ton truck pulls it fine. No sub floor no walk arounds. Doesn't sound like a race car. It's simple, to the point and gets the job done without breaking the bank
I'm not talking crap. When used for its purpose, I'd take that boat over any boat I've seen or fished, any day of the week. I don't care if it's an airboat, kicker, fan, troller combo and comes with 3 hookers. Of the boats I've been on it's the best I've seen

That's my opinion and it's like an a**hole we all got 1

Just thought. We went to the bay a few weekends ago. 1 of the nights we covered a lot of water, way more than we ever do but we were just checking out new spots. Like 60 miles all night. (Btw if u track yourself on navionics or anything similar it's crazy how far u go while fishing just on an average night) Burnt like 70 gallons of gas. Headed to the ramp when she started sucking fumes. I know that boat would go everywhere an do everything we did with its 40 gallon tank.

And I don't want to hear oh I wouldn't have your boat, it uses that much gas it does this that its too heavy blah blah. It'll tote a load and run with any of them! I'm comparing it to mine bc it's the most familiar but I'd compare to any of Y'alls.

Not trying to sound like an ass. I just want y'all to see the light so to speak.

Like IMPALED has said before ( for new guys he's not allowed here anymore I don't think) but anyway. When a fanboat thread would get brought up he'd always bring up being simple an how 1 of the best he fished off of was a gutted light boat with a 20 hp Honda an reduction

Conclusion KEEP IT SIMPLE KEEP IT LIGHT! We bowfishing. We ain't racing we ain't seeing who can haul more running dry.

Another thing...Fan an troller guys that get heavy custom hulls built.. Please tell me why? They only go so fast they ain't gonna tear much up.. I've had everything but a kicker. I abuse, tear up an work on my own stuff. Why have a bunch of money in a custom boat when u could have an equally equivilant and/or better boat for waaaaaay less money. Hell my old fan boat BEAVER bought from me years ago got put in, on top of, stuck hung snagged on anything u can think of while fishing. It was an express. Wasn't a thing wrong with it. Never had to weld a leak in it. But there's folks everyday that get 1/8-3/16 hulls built for $$$$ FOR TROLLERS AND FANS. WHAT THE ****? If you're getting/building a hull like that for bowfishing, put a v8 on it!!

Sorry for being that guy and writing a book. Hopefully some1 reads it. I'm just sitting here saying what comes to mind


I will be watching with enthusiasm Rambo. I like checking out what other folks make and build. An u seem to have stuff going on pretty regularly. I'll stay tuned
 
Discussion starter · #154 ·
love the idea of a jet although I don't know much about them. if i went that route I'd probably do a 1684 with a small 3" jet tunnel. I'm told a jet does better w/o pods.

its much easier to stay with a prop motor, since thats what I know. thinking a 16-1884 with a short rake and large pods. .190 bottom and .125 sides. may do a 3/4 deck over with a stand up console in the front of a 60"x60" floor. I like short sides in the shallows and of course the deeper the better in big water. may do something like a AAD boat with raised sides in the rear and say for 5-6' on each side its lower. like 26" to the deck over, light bar on top in front, and 10" raised band around the rear. thinking T-bar long runners with 2x4" channel notched on the T-bar sideways every 16" give or take.



 
#156 ·
There's a guy over here that runs the river with an outboard jet. I want to pick his brain, but I can't ever catch him! I don't think it's a tunnel boat, but he's got it on a jack plate. Don't let all the haters, who have never fished our rivers, talk you out of the .190 bottom! I've got a hole in my .125 bottom to fix, and I wasn't even going fast.
 
#157 · (Edited)
afflicted said:
Friday night I fished on the best boat I've been on. An airboat. Runs and idles like a truck, turns on a dime, steep rake doesn't push a wave when fishing, any truck can pull it, ran a few miles on plane and fished a few hours an burnt 8 gallons (my boat would have burnt 20). Did I mention it's quiet? My boat runs 28-30 cruising at 3600rpm. That boat runs the same speed turning 3100rpm, with about 200 less cubic inches. I said it was good on gas right? Y'all are thinking too hard about this boat deal.
Click to expand...
Did it look like this?
Image
 
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#159 ·
I'll have to go get the exact measurements. give me a few and I will let ya know. Btw, thanks
 
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JPHolla
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