What would cause these boats to do this?

[JB]

Re: What would cause these boats to do this?

I can't see who was holding the pilot's beer but I am sure he is called Bubba.

 

[indy440]

Re: What would cause these boats to do this?

Yes. Throwing it into reverse will do that. It works best on jet drives where you don't throttle down to shift. It's actually kinda fun. I've done it many times in one of those little seadoo jet boats. Blasting along at 40 mph and hit reverse. Actually will fill those things entirely with water and they continue to float. You can actually drive around afterward sitting chest deep in water like you're in a bath tub..

I used to have a searayder jetboat and did this constantly. It was wicked fun. I would never even consider it with my I/O.

 

[NSBCraig]

Re: What would cause these boats to do this?

That is by far the dumbest thing I think I've seen!


(and that takes a lot)

 

[steelespike]

Re: What would cause these boats to do this?

I'm pretty sure on the master craft all you have to do is turn the engine off.
Years ago, late 70s early 80s A friend had a 39 16ft Chris Craft barrel back "racer" It slipped into neutral at about full speed (about 35)It dove like a submarine Cracked the windshield about filled the 3 place cockpit,Fortunately these boats have a
siphon bailer so he was able to cruise around a little to get rid of the water
and the electric bailer took over when he slowed. Of course the old flat head six reved when it hit neutral and those old timers are red lined about 3,600 rpm.

 

[kevs_gone]

Re: What would cause these boats to do this?

actually I think all he is doing is shutting power and turning the wheel hard over. On many straight inboards this will cause this effect. I had a 66 century that would behave this way and it could be quite scary. But if you re-apply full throttle as soon as the bow starts to dive the boat will pop right back on top of the water without the complete submersion.

Kevin

 

[H20Rat]

Re: What would cause these boats to do this?

that is 100% safe in most of the smaller the smaller jet boats! MOST jet boats have an inner and outer hull. The inner hull is 100% sealed from the outer one, so even though you are sitting in chest deep water, the space between the hulls is perfectly dry. (where the engine(s) live) My jet boat also has 3 fairly large bilge pumps plus 2 engine powered suction pumps for this very reason. Two of the pumps are dedicated to the passenger compartment.

I have to admit, it is a little scary the first time you do it! Literally the passenger compartment is 100% full of water. Any wave just goes right over the side! The boats are designed to still float and recover even with a full load of passengers and water.

As far as damage, you actually don't need to throttle up much in reverse, and the reverse buckets are MASSIVE compared to a PWC. (and yes, no transmission or gears in a jet boat you are 100% connected to the drive propeller all the time) The only thing I would consider damage is that the backwash tends to flatten my sounder probe straight down. Have to stop later and readjust it if I want an accurate reading.


so... in a boat designed to handle it, its good clean fun, literally! In a conventional prop driven boat, it is an idiot with too much much wishing he had a jet boat.

 

[QC]

Re: What would cause these boats to do this?

Plus soaked foam, wet stuff, stereo speakers, hinges, any exposed wiring not between the hulls, possible passenger injury etc. etc. etc. Heck, I'd do it with your boat and alone, but not mine, and definitely not anything but a jet.

 

[superpop]

Re: What would cause these boats to do this?

I have officially turned into a crotchety old man as this is the stupidest thing I have ever seen. Why would you risk such extensive damage to a very expensive boat for a few seconds of submersion and to show off. I am surprised the motor on the MC did not ingest water. These are the same morons that put in an insurance claim when the boat is destroyed and cost us all more in premiums. Not to mention the risk of human life but I suppose that is just natural selection at work.

 

[cribber]

Re: What would cause these boats to do this?

I watched the video and the doghouse was never submerged and in the end he feathered the throttle to keep it running. Sad part is we strive to keep the interior hull dry and he filled this one with water. Just gotta say what a jackhole you are there sport... trashing a boat for selfish notoriety.

 

[Knightgang]

Re: What would cause these boats to do this?

So, if I understand you guys correctly, on an Inboard boat, such as the MasterCraft, if you are running along on plane and have an engine problem that results in immediate shutdown at WOT, the boat is going to dive....

Why would this be the case with an inboard and not an I/O or O/B boat?

That is a little difficult to believe. I would think it would slow quickly and come off plane like an I/O or O/B boat would...

 

[madurodave]

Re: What would cause these boats to do this?

Have no clue why. But throwing into reverse sounds possible. But then, the bigger questioins arises.... WHY intentionally try to sink your boat? Morons, maybe??

MAYBE>?? lmfao

 

[180shabah]

Re: What would cause these boats to do this?

Why would this be the case with an inboard and not an I/O or O/B boat?

Weight distribution

 

[QC]

Re: What would cause these boats to do this?

Possibly extreme rudder angle capability too ^^^^

 

[superpop]

Re: What would cause these boats to do this?

You can see him spinning the wheel just before he dives. He is dropping the throttle back and turning the rudder at an extreme angle at the same time, almost like using the rudder as an extreme trim tab. I would guess the rudder shaft seal is shot in pretty short order with this kind of stress being put on it.

 

[high'n'dry]

Re: What would cause these boats to do this?

I have officially turned into a crotchety old man as this is the stupidest thing I have ever seen. Why would you risk such extensive damage to a very expensive boat for a few seconds of submersion and to show off. I am surprised the motor on the MC did not ingest water. These are the same morons that put in an insurance claim when the boat is destroyed and cost us all more in premiums. Not to mention the risk of human life but I suppose that is just natural selection at work.

He is a big ol' bubba and he just told the chick he is trying to impress, "hey, watch this" and that explains the whole thing.

 

[H20Rat]

Re: What would cause these boats to do this?

Plus soaked foam, wet stuff, stereo speakers, hinges, any exposed wiring not between the hulls, possible passenger injury etc. etc. etc. Heck, I'd do it with your boat and alone, but not mine, and definitely not anything but a jet.

seats get a little wet, they have an open web design on the bottom with drain holes. they are dry very quickly and don't really have much foam in them. I often use the jetboat as a swim platform and have people jumping over, the seats get just as wet then. There is no floatation foam to get wet, which would be between the hulls anyway.

Hinges, my boat only has a grand total of TWO hinges, both on the engine hatch cover. Not a problem, they are wet all the time anyway.

zero exposed wiring. There is a breaker box above the drivers knees, but even that is sealed off. The entire box has a rubber membrane over it. The speakers do take a beating though. I've done maybe a dozen or so submarines with my jetboat, speakers are marine kenwoods from 2001 and still sound great. The dash and ignition are also waterproofed beyond what a normal boat has, and those stay dry doing this anyway.

injury... you obviously tell people you are doing this, and it isn't nearly as violent as it looks. A sharp turn in a jet boat has a vastly higher chance of hurting someone. I've done that before even when people were prepared, and still managed to catch a wave and snap the passengers to the side fairly hard.

 

[QC]

Re: What would cause these boats to do this?

All good if the boat is right, and I was just raising those issues for discussion. Unlike some here, I actually like many of the Jet boats. They were very popular here years before the PWC manufacturers got involved. Skinny water on the Colorado . . .

FWIW, I do consider these to be "real" boats despite what some say here. That has never made sense to me The Yammie 230's are substantially more "real" than a 14 ft. Tinny, so I just don't get it. If it's the jet designation then I'll just have to call the Captains of our local Catalina Express Ferry fleet that pilot 2000 bhp Jets on 150 ft. Catamarans to explain how his professional responsibility is a sham

So if it's not the jet drives, then what is it? The operators? I guarantee if I had one, which I have considered for upriver rides into the Grand Canyon, I would operate her similarly to how I operate my current 23 footer. So it isn't the operator? Maybe it's as simple as the manufacturers decal? Hmmmmmmm . . . yeah, that must be it.

 

[Maclin]

Re: What would cause these boats to do this?

That particular boat was retrieving a skier during a water show. There was a trough left over from a just-finished trick rolling by in front of him that he did not notice as he tried to do a Bat Turn, you can see him warn the passenger then maneuver the throttle and wheel and probably the big trim tab in the back that is usually used to tune the wake. It was the Show's boat, so why not, heck, he was probably even supposed to do it for the show!

 

[salty87]

Re: What would cause these boats to do this?

an inboard prop will slip just like an i/o's. you can't submarine the boat just by stopping the prop. you'd mess up the transmission if the prop didn't slip first. looks like a power turning trick to me too. not the sort of thing you want to try on anything but smooth water.

 

[DECK SWABBER 58]

Re: What would cause these boats to do this?

All good if the boat is right, and I was just raising those issues for discussion. Unlike some here, I actually like many of the Jet boats. They were very popular here years before the PWC manufacturers got involved. Skinny water on the Colorado . . .

FWIW, I do consider these to be "real" boats despite what some say here. That has never made sense to me The Yammie 230's are substantially more "real" than a 14 ft. Tinny, so I just don't get it. If it's the jet designation then I'll just have to call the Captains of our local Catalina Express Ferry fleet that pilot 2000 bhp Jets on 150 ft. Catamarans to explain how his professional responsibility is a sham

So if it's not the jet drives, then what is it? The operators? I guarantee if I had one, which I have considered for upriver rides into the Grand Canyon, I would operate her similarly to how I operate my current 23 footer. So it isn't the operator? Maybe it's as simple as the manufacturers decal? Hmmmmmmm . . . yeah, that must be it.

I've ridden on the Catalina Express Ferry. COOL BOATS. Like being on a jetliner on the water.

Don't understand either why anyone would think a jet is not a real boat. Very common here in the midwest on rivers. They look just like regular boats too me.