twin outboard hallett vector

[hallett21]

Which 250 do you have on yours?
Also what are you seeing speed wise? I’m considering a single engine in the future. That’s why I ask.

The boat came with 19s and 23 pitch Mercury props. I didn’t bother with the 19s and have only ran the 23s so far

2004 Optimax 250xs with a torque master lower. Currently running a 23 Bravo 1 (it’s the four stroke outboard version with the cut down diffuser).

It’ll do an honest 65-68 with 2-3 skis, full cooler, danforth anchor, box anchor, sand spike, spare prop (trophy plus), towels, life vests, tool kit, ropes and whatever other crap everyone brings lol.

Pretty confident I could turn a 24-25 pitch if we unloaded the boat. 300hp would do it no problem.

 

[Riverryder]

yeah dude im still on there. desperately trying to keep it alive lol

what should i change the title to!?

Change it to super sick 1 of a kind twin ob vector ahah

 

[TOOLEY]

Man that’s a setback. Probably rides like a 24’?

 

[MARCYTECH]

2004 Optimax 250xs with a torque master lower. Currently running a 23 Bravo 1 (it’s the four stroke outboard version with the cut down diffuser).

It’ll do an honest 65-68 with 2-3 skis, full cooler, danforth anchor, box anchor, sand spike, spare prop (trophy plus), towels, life vests, tool kit, ropes and whatever other crap everyone brings lol.

Pretty confident I could turn a 24-25 pitch if we unloaded the boat. 300hp would do it no problem.

That sounds like a nice set up! I love those optimax engines. Would you mind postin some pics of the boat!?

 

[MARCYTECH]

Man that’s a setback. Probably rides like a 24’?

It took On a little water. I think maybe through the caps on the top because I checked for leaks before we took it off the trailer and it was dry.
Never been on a 24’ so I dunno. Rides good though!!

 

[hallett21]

That sounds like a nice set up! I love those optimax engines. Would you mind postin some pics of the boat!?

Just a few I found real quick.

 

[MARCYTECH]

Just a few I found real quick.

oh man that thing is a beauty...i follow you on instagram actually haha

do you get any proposing?

 

[hallett21]

oh man that thing is a beauty...i follow you on instagram actually haha

do you get any proposing?

Haha pretty sure you’re a welder .

I have to run a few degrees (level to just a hair down) of tab until I get above 30-35ish. I’m running the prop roughly 1” below the keel. Engine is on a manual jack plate but I’d like to add the motor at some point.

WOT had been working on the boat for the last 6ish years. Kyle says ditch the ballast and then we can talk set up .

Edit: 2 30 gallon saddle tanks for fuel.

 

[MARCYTECH]

Haha pretty sure you’re a welder .

I have to run a few degrees (level to just a hair down) of tab until I get above 30-35ish. I’m running the prop roughly 1” below the keel. Engine is on a manual jack plate but I’d like to add the motor at some point.

WOT had been working on the boat for the last 6ish years. Kyle says ditch the ballast and then we can talk set up .

Edit: 2 30 gallon saddle tanks for fuel.

Ballast!?
Mines got a 60 gallon belly tank. So same, but different. My engines are a little bit lower than yours. I think prop centerline is 2” below the keel

 

[MARCYTECH]

So both my engine tilt pumps leak down over a few hours. One faster than the other
Read on a old Forum that a teeny little o ring goes out in some valves in the pump. The fix is to put a force marine needle seat in place of the oring…. Clearly I’m way too trusting cuz I did it
So far so good… I’ll report in the morning and see if they moved.

 

[MARCYTECH]

Got the boat back to the lake today and everything went well. The boats a complete different ride with engines that are actually running good. It hops up out of the water and planes in a big hurry. Rides great and we couldn’t be happier. Off to needles Friday!


Side note, it can definitely handle more prop. She likes to cruise at 40-45mph which is about 4200 rpm.
We had a top speed of 60 today with the engines trimmed all the way down.
I’m hesitant to mess with trim yet because the engines trim at different speeds and I don’t have trim gauges yet. That’s NEXT!
It accelerates very fast and reaches 60mph in a big hurry which is a ton of fun.

 

[boat527]

Is this the Vector Rex had ? I think he had a dual outboard as a practice ski race boat.

Such a cool boat..

 

[ChrisV]

Got the boat back to the lake today and everything went well. The boats a complete different ride with engines that are actually running good. It hops up out of the water and planes in a big hurry. Rides great and we couldn’t be happier. Off to needles Friday!


Side note, it can definitely handle more prop. She likes to cruise at 40-45mph which is about 4200 rpm.
We had a top speed of 60 today with the engines trimmed all the way down.
I’m hesitant to mess with trim yet because the engines trim at different speeds and I don’t have trim gauges yet. That’s NEXT!
It accelerates very fast and reaches 60mph in a big hurry which is a ton of fun.
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badass man! hard work pays off. Can't wait to see it at the lower river run.

 

[MARCYTECH]

Such a cool boat..
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No this one is all original
I think that one’s overseas or something now.

 

[Duramax]

SO sweet

Got the boat back to the lake today and everything went well. The boats a complete different ride with engines that are actually running good. It hops up out of the water and planes in a big hurry. Rides great and we couldn’t be happier. Off to needles Friday!


Side note, it can definitely handle more prop. She likes to cruise at 40-45mph which is about 4200 rpm.
We had a top speed of 60 today with the engines trimmed all the way down.
I’m hesitant to mess with trim yet because the engines trim at different speeds and I don’t have trim gauges yet. That’s NEXT!
It accelerates very fast and reaches 60mph in a big hurry which is a ton of fun.
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So Sweet!!!

I might see you this weekend with Tyler

 

[MARCYTECH]

SO sweet


So Sweet!!!

I might see you this weekend with Tyler

I’ll be there! Lookin forward to it

 

[MARCYTECH]

This thing is incredible
Lots of cruising yesterday with my fiancé and good friends.
The thing ran great most of the day. The stand off box is taking on water somewhere. I’d really like to figure out where and get that squared away.
Starboard engine starts idles and runs like a top. Only thing is it smokes like crazy when it’s at idle in gear(900 rpm)
Not sure what that means.
The other one is running good on the top end but at idle it sneezes out of the exhaust and shut off on me a couple times through the gorge.
Other than that we had an amazing day on the water and I’m blown away at how well this thing rides In smooth and rough water.
Such a huge upgrade from my last 17’ boat haha.

 

[ChrisV]

Badass dude!

 

[Riverryder]

@MARCYTECH saw your post on instagram! badass boat man!

 

[Riverryder]

hey she cant see my post here. if she ever changes her mind. i called dibs remember that!! haha
ed921reyes on insta

 

[MARCYTECH]

hey she cant see my post here. if she ever changes her mind. i called dibs remember that!! haha
ed921reyes on insta

hahahaha oh man youre good. ill remember it, dont see us ever selling this one though!

 

[MARCYTECH]

the to do list is dwindling down!
just rebuilt all 6 carbs... again. this time with rebuild kits as i learned a few things about seal swelling and float adjustment that i didnt know the first time around. ran them in a bucket and i seem to have solved my exhaust sneezing issue on one engine and my super smokey mega rich engine also.... wont know till that one is idling in gear under load.

last of the to do was to rebuild the lowers with new impellers, housings and new gear fluid.
one of the lowers was leaking some gear fluid from the holes related to the gear shift shaft area so im replacing that seal... WHAT A B*TCH that thing is. waiting for the bushing removal tool to come in the mail.

after about 69,000 hours in labor....this thing might actually turn out to be a pretty okay working boat

hoping to dip it in the water in needles again this weekend!

 

[Riverryder]

@MARCYTECH which marina this weekend?
did you fix the leak on the stand off?

 

[MARCYTECH]

my good friend has a house with a launch so thats where we dunk em in at.
buuuut probably cancelling the trip... gonna save the efforts for memorial weekend. lookin like elsinore saturday to test out my neighbors new boat also

yeah i fixed the leak in the stand off box. found it by filling it with water. it was a lower corner that we missed because of the bunk blocking us from getting a good look at it

 

[Riverryder]

Can I be friends with your good friend? Haha

 

[MARCYTECH]

For the record. This is Chris’ fault. Starting the trailer remodel. It’s got about 1 pound of tongue weight cuz the axles are not in the right spot. I’m gonna have to move those back at some point. For now, I’m gonna stuff some steel up in the front of the trailer.

 

[ChrisV]

Just get two 45lb plates like I did. Haha

Glad I can motivate.

 

[Duramax]

Just get two 45lb plates like I did. Haha

Glad I can motivate.
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SHit that is a great idea

 

[MARCYTECH]

Got the engines moved up to the top hole. Hopefully this helps my low speed porpoise issue.
Ready for needles this weekend!

 

[MARCYTECH]

I’ve been getting tons of little detail type things done lately now that the hard parts are over (kinda)
Added a Bimini top. I’m told it’s not “cool” to have one but with a baby boy on the way a Bimini will keep us on the water longer and that’s pretty damn cool to me! Haha
The boat came with a Bimini top… it was mounted to the old rail it used to have so there were no mounting holes for it yet.
Picked up some quick release mounts from Eddie marine, ripped em apart and powder coated em black
Perfection boat covers re did the canvas and it came out PERFECT. we love it.
Took it to the lower river run and did 80 miles of that run with 4 people, 3 coolers and only used about 20 gallons all day! Can’t complain

This brings me to my next item on the to do list. The boat has porpoise issues at any speed once I start to trim out.
Trimmed all the way in the boat is smooth but rides super wet and snow plows the nose through wakes. Once I start to trim out even the slightest bit we feel the bow rise up out of the water but if I run into another boats wake no matter the size or have to turn we’re galloping around like a pissed off horse lol

Not sure what to do about it as im sure it’s due to my engines being so far back?
I saw Rex marine had a twin ob vector and he had like 2 foot trim tabs… I wonder if that’ll help? Mine are about 10” long off the back and they do nothing at all to change the ride in any position (they’re hydraulic)

Any help is appreciated!

 

[Crazyhippy]

SHit that is a great idea

Do a spare tire or 2 instead... At least those are useful!

Can severely overbuild the mount(s) or fill the mount with lead if you need more weight.

 

[Jay Dub]

I’ve been getting tons of little detail type things done lately now that the hard parts are over (kinda)
Added a Bimini top. I’m told it’s not “cool” to have one but with a baby boy on the way a Bimini will keep us on the water longer and that’s pretty damn cool to me! Haha
The boat came with a Bimini top… it was mounted to the old rail it used to have so there were no mounting holes for it yet.
Picked up some quick release mounts from Eddie marine, ripped em apart and powder coated em black
Perfection boat covers re did the canvas and it came out PERFECT. we love it.
Took it to the lower river run and did 80 miles of that run with 4 people, 3 coolers and only used about 20 gallons all day! Can’t complain

This brings me to my next item on the to do list. The boat has porpoise issues at any speed once I start to trim out.
Trimmed all the way in the boat is smooth but rides super wet and snow plows the nose through wakes. Once I start to trim out even the slightest bit we feel the bow rise up out of the water but if I run into another boats wake no matter the size or have to turn we’re galloping around like a pissed off horse lol

Not sure what to do about it as im sure it’s due to my engines being so far back?
I saw Rex marine had a twin ob vector and he had like 2 foot trim tabs… I wonder if that’ll help? Mine are about 10” long off the back and they do nothing at all to change the ride in any position (they’re hydraulic)

Any help is appreciated!
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thank you for sharing the build. You have some mad skills for a recreational boater. Regarding the porpoising? You have the belly tank, rear mounted batteries, PLUS the two O/B's hanging off the rear. I would experiment with putting some weight under the bow. I would try to get 150-200 lbs to start. if that works, they make the "fat sacks" for wakeboard boats . You could also move the batteries

 

[Riverryder]

like what jaydub says try adding weight to the bow. see if she settles in a litte more. if not just sell it to me ill figure it out haha

 

[hallett21]

I’ve been getting tons of little detail type things done lately now that the hard parts are over (kinda)
Added a Bimini top. I’m told it’s not “cool” to have one but with a baby boy on the way a Bimini will keep us on the water longer and that’s pretty damn cool to me! Haha
The boat came with a Bimini top… it was mounted to the old rail it used to have so there were no mounting holes for it yet.
Picked up some quick release mounts from Eddie marine, ripped em apart and powder coated em black
Perfection boat covers re did the canvas and it came out PERFECT. we love it.
Took it to the lower river run and did 80 miles of that run with 4 people, 3 coolers and only used about 20 gallons all day! Can’t complain

This brings me to my next item on the to do list. The boat has porpoise issues at any speed once I start to trim out.
Trimmed all the way in the boat is smooth but rides super wet and snow plows the nose through wakes. Once I start to trim out even the slightest bit we feel the bow rise up out of the water but if I run into another boats wake no matter the size or have to turn we’re galloping around like a pissed off horse lol

Not sure what to do about it as im sure it’s due to my engines being so far back?
I saw Rex marine had a twin ob vector and he had like 2 foot trim tabs… I wonder if that’ll help? Mine are about 10” long off the back and they do nothing at all to change the ride in any position (they’re hydraulic)

Any help is appreciated!
View attachment 1125727

I’m wondering if those props are lifting the stern as well?

From when you and I talked it sounds like you can’t get the bow to carry. How does it run with neutral trim?

Do you think you’re over trimming trying to get the nose up?

 

[MARCYTECH]

thank you for sharing the build. You have some mad skills for a recreational boater. Regarding the porpoising? You have the belly tank, rear mounted batteries, PLUS the two O/B's hanging off the rear. I would experiment with putting some weight under the bow. I would try to get 150-200 lbs to start. if that works, they make the "fat sacks" for wakeboard boats . You could also move the batteries

Thank you for the compliment and input sir. I will forsure try some weight up in the bow next trip out we usually put a 36 can AO right under the dash but aside from that we really don’t put much else up there.

 

[MARCYTECH]

I’m wondering if those props are lifting the stern as well?

From when you and I talked it sounds like you can’t get the bow to carry. How does it run with neutral trim?

Do you think you’re over trimming trying to get the nose up?

I’m new remember…. What does neutral trim mean?

Compared to my old boat… I don’t think I’m over trimming to get the bow up. It comes up with just a few clicks of the button but that’s when the bounce house starts too haha

 

[hallett21]

I’m new remember…. What does neutral trim mean?

Compared to my old boat… I don’t think I’m over trimming to get the bow up. It comes up with just a few clicks of the button but that’s when the bounce house starts too haha

Lol neutral would be the propeller shafts running parallel with the bottom of the boat.

You could check it on the trailer at the ramp, launch and run it. Keep that as a reference when you’re looking at the trim gauge.

Only issue is that your gauge isn’t probably 100% accurate. That and you have 2 motors you need to adjust.

 

[MARCYTECH]

Only issue is that your gauge isn’t probably 100% accurate. That and you have 2 motors you need to adjust.

Only issue is that my trim gauge isn’t 100% existent…. Meaning I ain’t got that lol

 

[ChrisV]

Lol neutral would be the propeller shafts running parallel with the bottom of the boat.

You could check it on the trailer at the ramp, launch and run it. Keep that as a reference when you’re looking at the trim gauge.

Only issue is that your gauge isn’t probably 100% accurate. That and you have 2 motors you need to adjust.

Learn something everyday.

 

[hallett21]

Only issue is that my trim gauge isn’t 100% existent…. Meaning I ain’t got that lol

Well that’s gonna be hard to fine tune while driving by the seat of your pants lol.

It might be helpful to go launch early in the morning and leave the trailer in the water. Trying running the motors at different trims, but don’t touch the trim until you’re back on the trailer. Pull out and take a look at the prop shafts in relation to the hull.

At a minimum you’d know how under or over trimmed you are.

 

[MARCYTECH]

Ima say it definitely porpoises with the props at neutral. Cuz they go pretty far negative and if I tap the trim button even twice it’ll start bouncing

 

[MARCYTECH]

thank you for sharing the build. You have some mad skills for a recreational boater. Regarding the porpoising? You have the belly tank, rear mounted batteries, PLUS the two O/B's hanging off the rear. I would experiment with putting some weight under the bow. I would try to get 150-200 lbs to start. if that works, they make the "fat sacks" for wakeboard boats . You could also move the batteries

Also, Should I not bother with longer trim tabs?

 

[obnoxious001]

Mike Guardalabene, owner of Rex Marine had a twin outboard Vector as a training boat for ski racing. Sorry, image quality sucks, tiny photo in their catalog copied with cell phone.

 

[Duramax]

Also, Should I not bother with longer trim tabs?

Couple things.... I still think your motors are mounted too low and that is causing some of your porpoise issues. Engines are dragging and pushing the front end down. Then, at speed, your spray rails are helping lift the bow up again.

Props are huge in this equation too.. In my Daytona for example, my four blade clevers really lift the transom. When I get to 85ish, I get a porpoise because the front is being lifted by the wind but then is being pushed down by the lift I am getting from the transom. With my 3 blade clevers it is a different world. They carry the front fantastic and never a porpoise.

Those big trim tabs are used to adjust the the attitude of the boat when you are flying in the rough. It was built as a ski race boat, correct? Not to slam them down so the boat doesn't porpoise. It's like dragging an anchor.

Jack plates and a ton of prop testing would be my bet.

And yes, bimini top is life with kids! Yours is bad ass!

 

[Riverryder]

Got the engines moved up to the top hole

@Duramax looks like jack plates are next if you think they are to low...


think the wait would help more especially if it was a skit race boat. ski race boats have ballast up front correct?

 

[Duramax]

@Duramax looks like jack plates are next if you think they are to low...


think the wait would help more especially if it was a skit race boat. ski race boats have ballast up front correct?

Yeah, I know he is maxed out, so jack plates are it. It will make all the difference. Think of all that drag from those motors pushing the front down, but then the spray rails trying to lift it.

It's a lose, lose..

 

[Duramax]

@Duramax looks like jack plates are next if you think they are to low...


think the wait would help more especially if it was a skit race boat. ski race boats have ballast up front correct?

Yes, but I would bet they would only fill the front ballast tank if they couldn't control the attitude of the boat with the tabs.

 

[MARCYTECH]

the thing is.. if i do jack plates then the engines would be even FURTHER back because theyd have to be mounted to the big box thats back there now.
its going to be a big project to get that engine mount box off. its going to have to be cut off, all bolt holes sealed (theres about 25) and then im sure the transome will need alot of gel repair. something i can not do till winter time. quite honestly im trying my hardest to not to have to take that box off because if i did, then id probably just mount one 300 xs on it and be done with it lol.

currently the prop center line is 2" below the bottom of the boat with everything level.

currently running mirage 23p props. i have some 19p laser II props at home that i can try? not sure if those will give me more bow lift over these or not..
im guessing with a 19 ill spin more rpm and lose top end
prop testing sounds real effing expensive

 

[MARCYTECH]

Mike Guardalabene, owner of Rex Marine had a twin outboard Vector as a training boat for ski racing. Sorry, image quality sucks, tiny photo in their catalog copied with cell phone.

View attachment 1125958

i tried to message him on here to ask a few questions but no reply yet

 

[hallett21]

Can you have 15” mid sections made for that era 150?