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I need install pictures.

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beerjet

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« on: March 26, 2007, 10:13:21 PM »
Not pictures of you installing it (that would be killer though) but pictures of your turning fin installed . I'm lookin into it and worst case scenario , I'll just make one myself and drop it in .

-beerjet-
i dont but im all for stuffin shit in her ass to make her go away :-*



Ema Non-Performance Marine - BANNED

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« Reply #1 on: March 27, 2007, 12:19:09 AM »
Did you get mesurements yet ?
Get a hold of Futs Tim Demerit.
He drove that boat at Parker.
Also do a serch on his posts about that boat on the other site. I am sure you can find something.

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« Reply #2 on: March 27, 2007, 12:21:54 AM »
I have one (turn fin) that I could sell you if yah end up needing it.

old rigger

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« Reply #3 on: March 27, 2007, 07:30:38 AM »
The trailing edge of a fin should be no closer than 48 inches to the transom, on a jet. Any farther back will starve the pump in a turn. You also can't run them too far forward like on a v drive because the boat will hunt under power.

They also need to be cut down in length.

Brad @ SCJB

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« Reply #4 on: March 27, 2007, 08:15:15 AM »
rudder fin or skeg fin?

Here is an interesting story/tip that Craig Millet (pervious owner of the raspberry) shared with me.

He said that boats would handle like crap if you put the skeg fin anywhere but its 'sweet spot'....and they managed to figure out that if you put the fin in the center of gravity of the boat (with fuel, driver, etc in the boat) ...you found the sweet spot.

They would do this by jacking up the boat with a jack and a 2x4 and keep moving the jack around until they got the boat to balance.

he said it never failed.

now remember, this is 'old technique'.....so dont quote me on it.  ;D
  • Boat #1: 1978 Liberty
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wizard612

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« Reply #5 on: March 27, 2007, 02:24:39 PM »
Brad your killing me with this old stuff.  You guys can figure this out, if the boat wants to turn around it's center of gravity let it.  The easiest way was with the balance method. We tried to put as much of the variable weight on the centerline, ie the gas, driver, co-rider etc. if those wieghts changed the fin location could possibly change.  We experimented quite a bit with fin location.  My Eliminator Daytona ( and Craig's) had a fixture where we could move the fin 2' forward or back. Farted with it for awhile till we found the best location. Guess where, right at the balance point of the boat. Nuf said.

Brad @ SCJB

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« Reply #6 on: March 27, 2007, 02:31:03 PM »
Brad your killing me with this old stuff. 

Sorry Tom  ;D I have nothing but the upmost respect for our forfathers who paved the way for jetboating!  ;)
  • Boat #1: 1978 Liberty
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Ema Non-Performance Marine - BANNED

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« Reply #7 on: March 27, 2007, 02:33:47 PM »
Are you saying you ran a Daytona in circle racing ? According to popular belief those boats don't turn and can only go straight. I know the roots(Mod VP) of the boats but to hear someone say it is way cool.

wizard612

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« Reply #8 on: March 27, 2007, 04:48:30 PM »
Craig Millet and I had a two boat team by 1977. Craig started with Rasberry (brad's new project) then went to a bubble deck rogers then a hondo and finally two daytonas. I raced Ski Jet II ( 460 CIDCHevy's, single 4brl, two seat Log type exhaust) and Craig raced Comp Jet (468 CID full racing).  I can't believe that the myth that a Daytona won't turn still exists.  My first race as a rookie was at Long Beach Marine Stadium, single pin turns. The Race director told me to stay in the back for my first race, how boring!!!  I stayed there until the last lap and said screw this, floored it drove deep into the turn one set up a boat named " Fud Pucker Trucker" went outside to inside of him, hooked the bouy and was gone. Craig and Jeff said eveyone on the beach just about stained themselves when they saw that a daytona could turn.  My second race I pushed the boat even harder and found that when you hook a chine the boat will turn harder than you can hold on.  Rolled it and went swimming.  Yea Tunnels turn just fine if set up right.

wizard612

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« Reply #9 on: March 27, 2007, 05:06:13 PM »
One other thing on fin design. I can't rmember about the size that worked best but I do remember about the shape.  DO NOT TRY TO GRIND IN AN AIRFOIL SHAPE TO YOUR TURNING FIN.  It will wander uncontrolably. use flat plate and grind in a straight point, 45 degrees each side and leave the trailing edge square.  We almost crashed the boat the first time we tried to airfoil one.  Another factlet on turning a Daytona. Mine turned so hard at Firebird Lake (big sweeping turns) for the APBA Nationals I could not stay upright in the boat. Comming into the turn I would get off the gas and set the boat then start to press in the gas until I was full go by the apex then held on hoping not to catch a chine.  I could go into more detail but we're talking about making boats turn not old war stories.

wizard612

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« Reply #10 on: March 27, 2007, 06:19:52 PM »
Thought you guys would like to see a Daytona turn.  This is @ Bluewater about 1979-80 comming out of turn one.  You can see the fin location in this shot. It looks bigger than it actually was. my guess about 8" deep and 5"long.

wizard612

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« Reply #11 on: March 27, 2007, 06:39:06 PM »
Sorry for the pix size, these new fangled things like computers just get this old gezzer"s panties in a bunch! Enjoy the "detail"

hotrod56cars

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« Reply #12 on: March 27, 2007, 08:31:03 PM »
I'm not gay, but what size bra do you where on your balls?   :o
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NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet

wizard612

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« Reply #13 on: March 28, 2007, 10:20:35 AM »
Just a jet boat racer...you all should have big ones if you want to win... In the famous words of an NJBA runner-up (who will rename nameless) at an annual awards banquet, "second place sucks".

beerjet

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« Reply #14 on: March 28, 2007, 09:21:42 PM »
This is what I'm tryin replicate , since it's the same hull. I talked with a fellow who raced it at parker a couple of years ago and he said it is amazing how well it turned . A boy can dream cant he . :D



Wizard , you wouldn't happen to have any memories of this thing would ya .

-beerjet-
i dont but im all for stuffin shit in her ass to make her go away :-*

wizard612

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« Reply #15 on: March 29, 2007, 09:40:49 AM »
Fraid not.  Looks like a Kachina or Saguaro out of AZ or maybe an Avenger.  Try APBA they aren't too much help with jets but they may have some info on the CJ 294.  Can't quite read the hull Reg.#  The fin shape looks pretty normal for the day

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« Reply #16 on: March 29, 2007, 10:24:38 AM »
Omar,

Did you get your green card yet?  I have a fin similar to the one in the picture.  That is drop thru design, that should work bitchen for your boat.  Let me know.

Jim

beerjet

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« Reply #17 on: March 29, 2007, 07:10:52 PM »
Fraid not.  Looks like a Kachina or Saguaro out of AZ or maybe an Avenger.  Try APBA they aren't too much help with jets but they may have some info on the CJ 294.  Can't quite read the hull Reg.#  The fin shape looks pretty normal for the day
It is a saguaro! (Just like mine ) I'll be damned if I could find anyone who knew anything about them . I made a few contacts today and I'm actually gonna go look at it in person next weekend and do any and all measurements I could possibly want . I'm goin to try and not soil myself when I see it in person .

-beerjet-
i dont but im all for stuffin shit in her ass to make her go away :-*

old rigger

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« Reply #18 on: March 29, 2007, 07:12:19 PM »
For what it's worth, the boat above, #294 has a fixed nozel and used dual rudders to turn the boat. That fin is a little big for your needs, IMHO.  :)

Oh, that boat is now owned by one of the guys on the hot boat board and was, I believe, raced at the parker enduro last year. Or it was at least being prepped to be raced if it didn't make it there.
« Last Edit: March 29, 2007, 07:14:42 PM by old rigger »

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« Reply #19 on: March 29, 2007, 07:32:04 PM »
It raced in the '05 300 and ran good but it was way slower than yours Omar, I think it was running 60mph or so. It loked bitchin in the turns.

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« Reply #20 on: March 29, 2007, 08:07:25 PM »
Here is a pic of the one I have, it is 10" long and 6.5" tall made of steel.

beerjet

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« Reply #21 on: March 29, 2007, 11:45:41 PM »
For what it's worth, the boat above, #294 has a fixed nozel and used dual rudders to turn the boat. That fin is a little big for your needs, IMHO.  :)

Oh, that boat is now owned by one of the guys on the hot boat board and was, I believe, raced at the parker enduro last year. Or it was at least being prepped to be raced if it didn't make it there.
From what I remember Rigger , Jack McClure originally did do a fixed nozzle and cav plates and two rudders on either side of the intake .In the more recent pictures had a diverter that did turn and the diverter also went up and down with the plates . For some reason (other than it's a saguaro) I am completely facinated with this boat and I cant let it go . Who the guy that owns it on hot boat ?

-beerjet-
i dont but im all for stuffin shit in her ass to make her go away :-*

old rigger

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« Reply #22 on: March 30, 2007, 08:11:40 AM »
I didn't know the nozel had been changed not to turn. If I remember right there were 2 boats set up like that back in the day.
Don't know the owner, but nucking futs drove it at Parker. Get in touch with him and I'm sure he could hook you up. Also dan hurecules (sp?) knew the guy that owned it, it was his neighbor I think.

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« Reply #23 on: March 30, 2007, 09:47:29 AM »
.
« Last Edit: March 30, 2007, 09:52:31 AM by Administrator »

beerjet

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« Reply #24 on: March 30, 2007, 06:46:23 PM »
I didn't know the nozel had been changed not to turn. If I remember right there were 2 boats set up like that back in the day.
Don't know the owner, but nucking futs drove it at Parker. Get in touch with him and I'm sure he could hook you up. Also dan hurecules (sp?) knew the guy that owned it, it was his neighbor I think.
I actually talked to tim on tuesday and he could only tell me how it drove which is helpfull . I also talked to dan and I'm gonna set something up for next weekend to go over to his house and fondle her like a perv . "Jr. Jetter" is the guy who picked the boat out of the crowd . His father is the original owner of the boat and always ran those colors on other boats he raced. A very era specific metalic red, blue , and silver . Oh so sexy .

-beerjet-

-beerjet-
i dont but im all for stuffin shit in her ass to make her go away :-*

 


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