Bottom blueprinting

[fleetimus]

I seem to recall an article a while back in Hot Boat bt Jeff Bennett, It outlined blueprinting a bottom. Does anyone recall the date of the article??
Thanks

[Cas]

Hull Blueprinting 101 by Jeff Bennett (http://www.websitetoolbox.com/tool/post/cas/vpost?id=1154922)

[fleetimus]

Thanks Cas!!!!
I would still like to find the artcle in Hot Boat. I like pictures:idea: :rolleyes:

[Cas]

I don't recall that article but here's a couple of other links-
Squirtcha's page with text and pics
http://www.homestead.com/jetboat/Kidsriding.html
KenF's page with pics
http://community.webshots.com/album/35860873JHJruE

[Jetaholic]

Hot Boat has a magazine???

[fleetimus]

The article is in the November/December 2004 issue. I had it!!!!:rolleyes:
I am in luck. Can't find any spot with more than 1/8" of hook. Gonna get some filler and get to work!!!

[jrork]

Hang on FleetE. I think I have it here somewhere. Wasn't it when he was doing HBJets Liberty? If so, I know I have it and just pm me your address or email and I'll get it to you.
John

[fleetimus]

Thanks, but I had the mag all along!!!!!! Just had to dig a little deeper:D

[luv2race]

I seem to recall an article a while back in Hot Boat bt Jeff Bennett, It outlined blueprinting a bottom. Does anyone recall the date of the article??
Thanks
Take it to Harold at R&D Marine. He is awesome with bottoms and pumps.
www.R-DMARINE.com

[jrork]

Thanks, but I had the mag all along!!!!!! Just had to dig a little deeper:D
Cool. Now get all learnt up and you can start in on mine after your done:D

[fleetimus]

Bottom is DA'd. You don't appreciate 19' until you start sanding:eek: I think I have pretty much decided to paint the whole boat. A new coat of BLACK.

[jrork]

Since you're at it you might as well. Any hook or rocker and if so what are you going to use for filler to address? Just curious cause I'm jones'n to get after doing mine

[flat broke]

The trick/problem with doing a bottom isn't the phsyical act of doing the work (though that needs some thought and attention to detail as well). The rocket science (quite litterally in the case of Jeff Bennett's work) comes from knowing what the existing problems are and how to remedy them with the changes you plan to make on the bottom. Just smoothing the bottom, for the sake of smoothing it may not provide you with the results your looking for, and could in fact open up a whole new can of worms. I'm not saying don't do it, but you might want to talk with a few professionals who have experience with that hull before you start making changes.
Chris

[fleetimus]

In my situation, I do not have a problem. The hull is a 1986 and the bottom is pretty rough. I do not have a porpoise ( for example), nor do I have anything more than 1/8". I figured that if I am going to clean it, I might as well do it the right way. "Nothing ventured, nothing gained"
By sharing my experience, somebody else may learn and have great gains in doing the same thing. Plus, it gives me the excuse to give it a fresh coat of color. I wish I had the imagination to come up with some trick graphics!!!!
The Black Bi**h will probably stay a simple black boat.
I have talked to some folks as to what I am doing.

[billet racing 1]

Hey Tim.
When they are talkin blueprint, they mean squaring all surfaces as well. You maybe adding material to low spots, and you should be grinding down the high spots. Measure to make sure your lifting strakes are all even. Don't want the boat leaning sideways. Find the true center, measure the height of each flat surface, and you may find you'll need more work than you think.
And yes, your trailer needs help as well. Cut the risers on your bunks, and reweld to match the bottom of the boat.
All kind of ideas, but no help here. Trying to get my own set up done.
Jerry

[HBjet]

You mean these pictures?
http://www.hotboatpics.com/pics/data/500/3fix003.jpg
http://www.hotboatpics.com/pics/data/500/3fix005.jpg
http://www.hotboatpics.com/pics/data/500/3fix006.jpg
http://www.hotboatpics.com/pics/data/500/3fix009.jpg
http://www.hotboatpics.com/pics/data/500/3fix011.jpg
http://www.hotboatpics.com/pics/data/500/3fix013.jpg

[HBjet]

http://www.hotboatpics.com/pics/data/500/3fix016.jpg
http://www.hotboatpics.com/pics/data/500/3fix019.jpg
http://www.hotboatpics.com/pics/data/500/3fix022.jpg
http://www.hotboatpics.com/pics/data/500/3fix024.jpg
http://www.hotboatpics.com/pics/data/500/3fix026.jpg
http://www.hotboatpics.com/pics/data/500/3fix029.jpg
http://www.hotboatpics.com/pics/data/500/3fix030.jpg
HBjet

[sleekcrafter]

In this photo, it appears that a spoon was built into the hull too, HB can you verify this?
http://www.hotboatpics.com/pics/data/500/3fix019.jpg

[Squirtcha?]

We'll have to see what comes back from Randy, but if Jeff put a bubble on it, it's not evident in the other photos.
Mine's upside down in the driveway right now (yes..........again). I was contemplating putting one on mine, but I'd have been doing it without any kind of direction (how big, what shape, where? etc.) I ended up opting out.
This the absolute last time I work on the bottom of this thing. If the bubble didn't work out that would mean I'd be back at it again.

[HBjet]

No bubbles. Just making her straight and smooth!
HBjet

[NUTHIN]

pics. thats cool to see :D

[QuickJet]

pics. thats cool to see :D
Are those pics of yours? That looks real nice.

[Squirtcha?]

Are those pics of yours? That looks real nice.
Those are pictures of Randy (HBjet's) boat. A 90+ mph naturally aspirated semi-V. I had an opportunity to ride in it. That sucker hauled the mail. It was a real eye opener with regards to my own ride and how much difference there is between 80-85 mph and 90-95 mph!

[HBjet]

Those are pictures of Randy (HBjet's) boat. A 90+ mph naturally aspirated semi-V. I had an opportunity to ride in it. That sucker hauled the mail. It was a real eye opener with regards to my own ride and how much difference there is between 80-85 mph and 90-95 mph!
Dan, thanks, but actually NUTHIN owns the hull right now... but I believe he is selling it as he has too many boats. I would buy it back if I was in the position, but I am not... It is a great v-bottom boat that worked very well with my motor combo.
HBjet

[disco_charger]

Dan, thanks, but actually NUTHIN owns the hull right now... but I believe he is selling it as he has too many boats. I would buy it back if I was in the position, but I am not... It is a great v-bottom boat that worked very well with my motor combo.
HBjet
That's kind of an understatement.... It was a great example of how set up is more important than brute horsepower on a jet boat. Whoever buys that hull is getting a hell of a deal.

[Squirtcha?]

Dan, thanks, but actually NUTHIN owns the hull right now... HBjet
I meant to put "former boat" but mistakenly left it off.
That's kind of an understatement.... It was a great example of how set up is more important than brute horsepower on a jet boat. Whoever buys that hull is getting a hell of a deal.
While I agree that's true to an extent..............he had some fairly brutish horsepower too. Around 750 hp or slightly more wasn't it Randy? Incidentally, how's the gullwing coming along?
That kinda of hp from a naturally aspirated motor (especially on pump gas) is pretty significant. Wish I had those ponies.
Definitely people out there running around with that kind of hp and more that don't run those numbers though, and that speaks to the setup deal.

[HBjet]

Thanks Disco, I still have to laugh a little from that mean mean April Fools joke! :D
Thanks too Dan. Actually the motor made 732hp at 6300rpm and when I ran it in the boat I was turning 6k. Still in the 700 range though. I did do a cam change, but I am thinking it didn't make too much of a difference with my current heads. 25hp maybe?
I think what NUTHIN wanted to do with that boat wasn't going to be ideal for that hull (1200hp blower motor) and he can correct me if I am wrong, but I think he had it over 107mph which is too fast in my opinion for that hull.
I believe the ideal setup for that boat was to be a quick v-bottom, full interior jet that was low maint. and ran on pump gas over 90mph. It was certainly one of the quickest jets for a short period at the river and surprised a lot of people.
I hope who ever gets it uses it for that purpose. It's a great hull and like I said, if I could buy it back, I would in a second.
HBjet

[HBjet]

how's the gullwing coming along?
I just took it out this weekend for the first time this year. Love this boat, especially since I have so much history with it. I need to get a real place diverter, cut back shoe, new ride plate, and some bottom work before this hull will be a performer. Out of the box though, no setup at all, it ran slightly faster then the last boat. That was impressive to me. I just love owning this boat and I plan to have it forever. So all of the mods and such can take their time. I will wait for the DNE motor build craze to slow down and then I will have a meeting with Dave for something new and different. 700" maybe?:idea:
HBjet

[NUTHIN]

Thanks Disco, I still have to laugh a little from that mean mean April Fools joke! :D
Thanks too Dan. Actually the motor made 732hp at 6300rpm and when I ran it in the boat I was turning 6k. Still in the 700 range though. I did do a cam change, but I am thinking it didn't make too much of a difference with my current heads. 25hp maybe?
I think what NUTHIN wanted to do with that boat wasn't going to be ideal for that hull (1200hp blower motor) and he can correct me if I am wrong, but I think he had it over 107mph which is too fast in my opinion for that hull.
I believe the ideal setup for that boat was to be a quick v-bottom, full interior jet that was low maint. and ran on pump gas over 90mph. It was certainly one of the quickest jets for a short period at the river and surprised a lot of people.
I hope who ever gets it uses it for that purpose. It's a great hull and like I said, if I could buy it back, I would in a second.
HBjet
it is a GREAT BOAT! Im seeing how a 7-800hp mtr with all the setup in this boat would be IDEAL. I went rediculas with the power in the boat. but even at that the boat did nothing to silly at the speeds we were getting out of it. we had it on gps at 107. the batteries went dead after that. it rides dry and loose but im not familiar with jets. being a v-drive guy it felt odd but it didnt do anything funny. We got 6300 rpm on one rip and it was time to let off. I have no idea what speeds we got but I knew that i was pushing the issue. figured ide try a gullwing or a tunnel. but if nobody buys it then i will get a 700hp plant back in it. then sell or redo the blower motor for a vdrive.:D but the boat is bitchen Randy! I just approached it a little to gung ho :jawdrop: damn jet boat rookie:rolleyes: :D

[Xlration Marine]

You want to know if a bubble will work? Find Dan Nelson of jet performance. He had one put onto his boat, 20' pickle. Um he kinda knows his stuff as I recall. If you can't find him try Rick at Kapuka boats on washington 20th street, phx. You know the shop. He did it for Dan. I just read some of that stuff. Some boats are built with hook, to blow out of the water faster. And then a little rocker near the rear so it will ride the nose up in the air. These two work together and work well if the right amount is built into the plug. To blue print, get a good long board and a nice straight edge, lost of sand paper and guide coat. And a good massage therapist to fix your elbo and back.

[Xlration Marine]

Just saw the pic with the bubble, way to far forward. Dans was at the intake and blened into the intake. No wounder it was working, the water wasn't flowing into the pump like it should. Looks like a novice did the thing.

[MikeF]

I do not see any type of bubble there.:idea: Bubbles are for tunnels and riverdave.
Looks like a novice did the thing.
Brand new! :crossx:

[HBjet]

Just saw the pic with the bubble, way to far forward. Dans was at the intake and blened into the intake. No wounder it was working, the water wasn't flowing into the pump like it should. Looks like a novice did the thing.
Are you talking about the boat in this photo?
http://www.hotboatpics.com/pics/data/500/3fix030.jpg
If so, you have no idea what you are talking about and who you are talking about.
HBjet

[HBjet]

Here is a photo of the bottom side before any bottom work...
http://www.hotboatpics.com/pics/data/500/3flip004.jpg
HBjet