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whats the biggest motor you have put on a 17 montauk
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| Mike-Conover |
Posted on 09/15/11 - 6:28 AM
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Personally... I'd be very leery of exceeding the 100HP limit. Even my 90HP can peoduce some pretty hairy situations... shoot out of the hole at full throttle with the motor not completely straight ahead... or too sharp a turn on a plane. The boat will toss you and go right on its way!!!
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| Bob Younger |
Posted on 09/15/11 - 6:37 AM
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What is it with the speed? A sophmoric guy thing? A mine is faster than yours thing? I've seen two boating accidents and one death from an overpowered boat and an underpowered brain. I would venture to say that most of us are out in our Whalers on the weekends and usually navigate within a limited range, so why the bragging rights about who can get there the fastest? Hell, kick back , enjoy the ride, smell the fresh air, take in nature and savor the time underway.
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| Gamalot |
Posted on 09/16/11 - 5:18 AM
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The fastest boat out here will pass everything but a gas pump! There is a thrill on those very rare occasions when the lake turn mirror smooth and you get a chance to let her fly for a few minutes and see what she will do. I find it a great deal more pleasurable to find the sweet spot, usually between 25-30 MPH when the RPMs and fuel gauge are working together in an economical fashion.
On my local lake here the county mounties who patrol it are quick to mention the fastest boats out there are almost always fueled by Alcohol!
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| CES |
Posted on 09/16/11 - 6:06 AM
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My 13' runs a consistent 32mph...loaded down, radar, water speedo, and GPS....it always runs a solid 32mph....at least I have consistency on my side.
Yes, my jet boat is a very thirsty critter.......however, IMO, there's nothing cooler than having 540 cubic inches of Big Block Ford power rumbling accross the water....and as long as I can afford the fuel, it's worth it to me.
I have mufflers on our jet so it's not like the obnoxious sounding speedboats with over the transom headers.......mine are through transom exhaust.
Edited by CES on 09/16/11 - 6:07 AM
Cliff
1966 13' Sport with a 1993 40hp Yamaha 2 Smoker |
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| duf |
Posted on 09/16/11 - 6:54 AM
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Guys, biggest rush i had in a long time was when Trish and I took the 22 out for a speed run. 54 MPH, which i never saw, Trish was calling out the numbers off the GPS as i trimed, and i was way to busy to relax, as it felt like none of the boat was in the water, squirrelly as hell, but what a hoot!!
Duf
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| nicole ligon |
Posted on 09/17/11 - 7:52 AM
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I will stand by my statements with one subtle change. I meant the motors were easier to swap, therefore faster in terms of the time it took to change them, not the speed of the boat. I will also state the unique characteristic of the mercurys of that era. They share the same block. The are the same weight. The holes in the transom were identical to the 90 hp I swapped out. I even run the cowlings from the 90 hp. I also question the true stated hp of the towers of power. 50 more hp out of the same block? Maybe there is a mercurys expert out there with some knowledge in this area. In terms of the gas pump we all know these old carburetored 2-strokes eat inordinate amounts of fuel. By the way the motor cost $1000.00 four years ago and has performed very well on countless trips. As for the sophomoric attitude; did I dream of this set up as a young man? Yes. Now as i blaze across Columbia River with the wind blowing through my thinning hair I smile with joy like I am 9th grade again. Kind of the point of the these little boats. They take us to different places literally and figuratively.
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| Gamalot |
Posted on 09/17/11 - 8:23 AM
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Back in my teens my Dad had the need for speed and built a nice little hydroplane from plans he got off Popular Mechanics. It came out great and looked like a mushroom. It did not have any rating as for HP and we had a nice 35 HP Evinrude sitting around. I doubt the boat weighed much over 150 pounds. It took some trial runs to get it set up and trimmed right but on those evening when the lake turned mirror smooth it was a hoot and I am sure we hit 50+ MPH. A buddy has a Jet Ski that is super tuned and will scare the dickens out of most of us at WOT and I think reaches over 80 MPH.
My point is that I don't believe BW's were ever designed to be super Go Fast hulls for the most part. If speed is your pleasure I know there are many other hull designs to meet your needs. Over powering a hulls speed design limits is a rather ignorant practice best left to the racers and daredevils. I don't honestly know the Montauk's top speed limits or at what speed they become unstable and I hope to never be in one when it passes it. I would think 40 - 45 could be rather testy and very close to maximum safe speed in one.
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| duf |
Posted on 09/17/11 - 12:23 PM
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Where as I agree that BW hulls were not created to be super fast hulls, I think they did do a fine job of giving you a safe, non sinkable hull, fairly comfortable depending on model and size, amount of folks normally using it etc, but also very fast within the limits of engineered capacity. My 22 is rated at 240 hp, and I have a 225 Etec on it. It easily makes 50 MPH, and on a perfect day, we topped out at 54, more then fast enough for this old gear head. My new boat that I pick up in a couple of weeks, is a 89, 25 with WD, and twin 2001 200 Yamaha's. I already traveled to Fla and did an inspection, and a test drive.........what a dream boat. However, one of the first things I will do when I get her home is plunk her in the water and take a high speed test drive just to see what she will do. The present owner didn't know, had never done that been there, and maybe its my enjoyment of a high speed run, or just knowing what my boat will do, I WILL hit the firewalls and lite her up, and if my ball cap is stowed to remove the risk of losing it overboard, my few remaining hairs will get a thrill.
I plan on keeping the motors for at least a couple of years as they only have 230 hours on them, and then upgrading to new motors, manf unknown at this time. One thing for sure, the capacity plate says 450hp, and right now I have 400. You can bet when I upgrade I won't supercede the 450, but I sure won't be lower either! 
Duf
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| Gamalot |
Posted on 09/17/11 - 1:57 PM
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That is funny Duf and I don't disagree at all. I love going fast and it is even more fun on the water. I also will bet you do not do as most folks here do, WOT every time they are in forward.
My local lake is a dammed up river that is 1/2 - 3/4 miles wide and 9 miles long. Common practice is to blast one end to the other and then back as fast as it will go. Been there and did it many times but I would not buy a used motor from any one on this lake!
You can bet when I finally float my '74 Montauk with '84 Ev 90 I will soon know just how fast it can go but it will not be the standard practice every time it goes in to forward gear as is the standard practice here. Once I am sure the motor is solid and strong I have the info from Tom about the correct prop and engine height and will have the Stiletto 15 pitch to get it all.
We do have a few rather obnoxious boats here with either twin 454 I/O's or 300 Merc's I don't plan to be racing. A few years back one of them did what is depicted in Tom's avatar with not so great results.
My younger brother has a Suzuki Hyabusa and as hard as he tries he just can't get it up to the to WOT.
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| msd58 |
Posted on 09/17/11 - 4:14 PM
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Here's video of a guy with a 130 Yamaha doing ABOUT 60mph:
http://www.youtube.com/watch?v=CUuk-l...ature=fvst
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| JohnnyCW |
Posted on 09/17/11 - 7:02 PM
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Gamalot wrote:
Back in my teens my Dad had the need for speed and built a nice little hydroplane from plans he got off Popular Mechanics. It came out great and looked like a mushroom.
Back in the 70's my dad and I built a little hydro from Clark Craft plans, probably the original source of your dad's project plans. You brought back a lot of good memories for me. Good times.
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| duf |
Posted on 09/18/11 - 5:35 AM
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you are correct Gamalot, it is rare for me to go WOT. As those know who have been here for the Whaler Get to gether, its mostly a no wake zone for a good bit of the area. Then, even in ski basin which has no speed limit, or wake zone requirements, its too busy with jet ski's, folks being pulled on boards or skis, boats etc, to go full blast. It is the occasional intercostal water way cruise when the traffic has died down to glance around, look for no boats or wakes or interference and put down the pedal. Play with the trim, get that 5600 rpm's and max out on speed. Short and sweet (use the excuse you cleaning out the pipes) and enjoy. Probably never more then a minute or two, then back to 30/35 MPH simple cruising. Its a bit of a rush, but then what do you expect from a guy with a 1983 CJ7 that installed a 360 HP 350 with a tri power??
Duf
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| Gamalot |
Posted on 09/18/11 - 5:48 AM
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JohnnyCW wrote:
Gamalot wrote:
Back in my teens my Dad had the need for speed and built a nice little hydroplane from plans he got off Popular Mechanics. It came out great and looked like a mushroom.
Back in the 70's my dad and I built a little hydro from Clark Craft plans, probably the original source of your dad's project plans. You brought back a lot of good memories for me. Good times.
Good to hear John. I'm not sure which plans he built from but it was in the mid 1960s. We also had a cute little boat called the Volksboat we had a lot of fun with. Growing up on a lake sure had it's benefits but also made me hate the short summers and 2 month school vacations. Dad's biggest thrill was pulling 5 skiers behind his Aristocraft which was great until someone fell. It only worked if he jerked us all off the dock at once.
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| Gamalot |
Posted on 09/18/11 - 6:49 AM
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duf wrote:
you are correct Gamalot, it is rare for me to go WOT. As those know who have been here for the Whaler Get to gether, its mostly a no wake zone for a good bit of the area. Then, even in ski basin which has no speed limit, or wake zone requirements, its too busy with jet ski's, folks being pulled on boards or skis, boats etc, to go full blast. It is the occasional intercostal water way cruise when the traffic has died down to glance around, look for no boats or wakes or interference and put down the pedal. Play with the trim, get that 5600 rpm's and max out on speed. Short and sweet (use the excuse you cleaning out the pipes) and enjoy. Probably never more then a minute or two, then back to 30/35 MPH simple cruising. Its a bit of a rush, but then what do you expect from a guy with a 1983 CJ7 that installed a 360 HP 350 with a tri power??
Duf
Boy's with Toys Duf! They claim my Polaris RZR Sport UTV will do 60 but not with me behind the wheel! On the rare days when Lake Ontario goes flat it is a real hoot to see the big boys play out in front of the Genesee river from Rochester. There are a few Go Fast boats that live for those evenings and one had 4 big Mercury O/Bs and I am sure was hitting speeds of well over 100.
I'll have to ask because I always wondered which boat in the Whaler line is best suited to be a Go Fast boat? I suspect it will be one of the Outrage models rated for 600 HP or more but I would be surprised if any BW could get much above 70 MPH with out getting pretty squirrely.
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| duf |
Posted on 09/18/11 - 10:37 AM
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Gamalot wrote:
I'll have to ask because I always wondered which boat in the Whaler line is best suited to be a Go Fast boat? I suspect it will be one of the Outrage models rated for 600 HP or more but I would be surprised if any BW could get much above 70 MPH with out getting pretty squirrely.
Don't know honestly. The boat i'm picking up is a 25 with Whaler Drive and twin 200 Yamaha's and expect it o
be a 50 - 55 MPH boat, and with new 225 ETECS or the new aluminum head Yamaha 225 to be pushing the 60 MPH range, is at least my best guess. I guess Joe or Tom would be the best judges as to (within the capasity plate limitations) which boat is the fastest out of the factory. But frankly, as Joe said to me long ago, "Duf, how fast do you want to go". Answer is, whatever my 25 with WD will do with new twin 225's on her. then i'll call it a day!
Duf
Edited by Joe Kriz on 09/18/11 - 10:46 AM |
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| Sharky1 |
Posted on 09/18/11 - 6:53 PM
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Ft. Lauderdale, Early 90's, the president of the marine advisory council was cited for exceeding the max capacity HP on his 17' Whaler. He had a 2.4L high performance Merc BridgePort which is about 240 HP. I don't think he ever got it up to top speed.
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| CES |
Posted on 09/18/11 - 7:23 PM
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Sharky1 wrote:
Ft. Lauderdale, Early 90's, the president of the marine advisory council was cited for exceeding the max capacity HP on his 17' Whaler. He had a 2.4L high performance Merc BridgePort which is about 240 HP. I don't think he ever got it up to top speed.
Fort Lauderdale huh? Haha, doesn't surprise me. There's so much money down there it ain't funny.
Cliff
1966 13' Sport with a 1993 40hp Yamaha 2 Smoker |
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| Finnegan |
Posted on 09/19/11 - 12:41 AM
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My experience indicates that a 25 outrage WD with 200 HP engines will run close to 50 MPH. A pair of 225's may get it up to 53-54 MPH at best. WD is great way to improve ride, but it is a top end speed killer relative to cut transom models, or transom bracketed models.
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| duf |
Posted on 09/19/11 - 12:57 PM
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Finnegan wrote:
My experience indicates that a 25 outrage WD with 200 HP engines will run close to 50 MPH. A pair of 225's may get it up to 53-54 MPH at best. WD is great way to improve ride, but it is a top end speed killer relative to cut transom models, or transom bracketed models.
Finegan, since i have no experience with 25's and WD will assume your correct. but, am curious why if WD are strictly an extension of the hull, that they are such a top end speed killer? I guess i'm a little surprised after getting 54 MPH out of my 22 with a single 225 ETEC.
Duf
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| Finnegan |
Posted on 09/19/11 - 1:38 PM
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Duf - When I ordered my 25 new in 1989, definitely considering the WD model, the guys at the factory told me that a WD model would run 5 MPH slower than the same cut transom model, with the same engines.
I think the WD model carries extra weight and more drag in the water.
A WD model with twin 200's will run about 50 MPH, a standard transom model about 55MPH, and mine, with full transom and Armstrong bracket, Merc 200 EFI's, has been clocked at 62 MPH. That was acheived with a Mercury racing driver at the controls, running 19" Revolution-4's at 6400 RPM! The best i had ever been able to get out of it was an even 60 DGPS.
Here is the boat:
http://smg.photobucket.com/albums/v42...?start=all
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