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Sorry for all the questions. At 5000 RPM and just a bump of the trim switch my boat starts porpoising at 32 mph. What can I do to help get it up on pad better? 75 hp Optimax with a manual 6" jackplate.
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A hydrofoil will help some.
I would start by dropping jack plate about 1/2 inch. What is happening is when you trim out prop is losing bite so it drops hull and gets a bite and starts to lift again. You may have to go up and down 1/4 at a time until you find sweet spot. And I’m just making a assumption since you said it had a pad that this is a glass boat.
It is an aluminum boat. Maybe is what I should have said is higher on plane.
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Is a hrydrofoil the same as a whale tail.Sent from my E6810 using Crappie.com Fishing mobile appQuote:
Originally Posted by Atimm693
Big difference, yes a hydrofoil will make a big difference since it is designed to lift rear of boat up and hold it on plain at slower speeds. And they don’t necesserly have to be those great big really expensive ones to get the job done. It would by its self probably gain you a couple mph. But still taking the time to play with jack plate you can probably find a little more performance from that set up. I’d put one on if it was me.Quote:
Originally Posted by catchNgrease
Had to look hrydrofoil up.. it has one.
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Then I would start with dropping motor down and work from there. Go to lake and leave poles at home just plan on playing around a couple of hours or so. Get you something to measure with and to Mark plate. Just play with adjustment until you find the spot that gives you the best performance.Quote:
Originally Posted by catchNgrease
Alright first move is down. Gonna go 1/2 inch first move. Tuesday will be first chance.
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In warm water I hope :Rofl
I'm still wearing rubber boots
My mistake it's manual , has adjusted height on screw.
What are your running for a prop makes a huge difference with a jackplate, many props do not run well close to the surface..
Like some have said, sounds like it needs dropped down a little. When you get that right, the hydrofoil will nail it.
Don't be surprised at how sensitive the response will be while tilt/trimming the motor.
Shortly after installing my hydrofoil, I installed a new trim sending unit and gauge to keep from twisting around to look so much.
It is actually amazing. Most boats I have ran without hydrofoils were OK if the trim was just "Close".
Mine is a Stingray, by the way.
For adjusting trim I use my GPS on my depth finder to find the sweet spot.
I tried the cold water last year at 48degrees. Once is enough.
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Catcin grease,
USCG plate should tell what hp boat can have. Maybe u are under powered.?
Tritons, are heavy boats..
If it's a glass boat ?
17 ft Triton aluminum hull. 75 hp is maximum horse for the boat
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Trouble is right now I feel like I am not using all the horses I have because it starts loping
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You could try playing with weight distribution. Might be a little back heavy, the jack plate is not helping in that regard.Quote:
Originally Posted by catchNgrease
Move weight up. I don’t think you’re going to get much faster. I have a 18’ with a 90 and I might bump 38 on a perfect day. I have two trolling batteries up front, no live well, and hardly ever have more than 6 gallons of gas in the tank.
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I have the Triton vt 19 with 150hp and it is touchy on the trim. The aluminum boats don't like to "fly" the nose like glass. I don't think these boats have a pad, express did but I didn't want to pay that price. 150hp,3 batteries, and 20 gallons of gas and 1 fat guy is a lot of weight in the back for me. I one day I forgot my small anchor, grabbed a concrete block left it up front. Helped having some weight up front besides trolling motor. Wieght distribution might be key with your combo too. Its early so I cant spell. lol.... And if I'm way off ignore anything I just said..first coffee
Remember any day above ground is a good day...
All comments are appreciated. And yeah I have thought about moving 2 batteries up front. Not to mention the shorter trolling cables. Lowered engine maybe 5/8" today hope to run it tomorrow
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Finally got it out on the water and it gained me 3 mph. Considering dropping it another 1/4" and leaving it be. Thanks for the help. And if my fish will quit getting drowned one day and blown onto the banks the next I'll get some pictures.
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