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Josh@JBP

  • Karma: +6/-0
Re: this place is dead. lets see the back of your boat
« Reply #25 on: January 30, 2008, 03:58:01 pm »
Heres the Glastron nothing too fancy.................................. ......................for now

DOZZR

  • Karma: +2/-0
Re: this place is dead. lets see the back of your boat
« Reply #26 on: January 31, 2008, 01:00:41 pm »
Hey Josh,
here is my setup, what do you think about the ride plate length. I would say I could probably lose a couple of inches but would it be worth the trouble. The boat doesn't turn for chit when cruising over say.. 25 mph, it just wants to do a 180. and that really sux. At least I am close to the water so I can wash off the poo after it tries to do its disappearing act (to the bottom of the lake) I have spun it out twice now, and now I just refuse to turn the wheel when I get it up over 25-30 mph. And no I dont turn sharp with the diverter up or down. Both times the diverter was straight out the back, it just catches a little air and BAM, I am cruising backwards.  :o
« Last Edit: January 31, 2008, 01:28:50 pm by DOZZR »
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Josh@JBP

  • Karma: +6/-0
Re: this place is dead. lets see the back of your boat
« Reply #27 on: January 31, 2008, 01:50:06 pm »
I'd probbably try shortening the ride plate 4" or so maybe in 1 inch increments.  But at first glance it looks like the exit nozzel is way up in relation to the keel.  I'd level the boat out and check the pump angle, the top of the intake/base of the suction should at 4 degrees or so.  It looks like it may less that could be causing you handling issue.
« Last Edit: January 31, 2008, 01:53:01 pm by Josh@JBP »
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Josh@JBP

  • Karma: +6/-0
Re: this place is dead. lets see the back of your boat
« Reply #28 on: January 31, 2008, 02:02:02 pm »
might also be an alusion, didn't you say your plate was set at 0?

DOZZR

  • Karma: +2/-0
Re: this place is dead. lets see the back of your boat
« Reply #29 on: January 31, 2008, 03:05:49 pm »
I set it originally at approx. 2-3* up, then fine tuned it with the diverter in mid range (rooster around 3 feet above water level) at WOT, til I found the spot where it didnt porpoise, and didn't feel any drag. Just a degree or so really DID make a difference and now that it is set its around 1* "UP" It feels right no drag, no porpoise, but it is still scary to turn sharp.
Here are a couple more that might help, I can't believe I dont have any pics showing it straight on with the angle showing, I know I have one I just cant find it

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82daytona

  • Karma: +7/-0
Re: this place is dead. lets see the back of your boat
« Reply #30 on: January 31, 2008, 06:57:18 pm »
thats purdy i like the green

jet boat performance

  • Karma: +25/-0
Re: this place is dead. lets see the back of your boat
« Reply #31 on: January 31, 2008, 08:04:09 pm »
Hey Doz ,sorry I missed you the other day ! Catch you next Tom

nice "pumpage"
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Blue

Re: this place is dead. lets see the back of your boat
« Reply #32 on: January 31, 2008, 10:28:31 pm »
Just bought this and haven't seen it in person yet.

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hotrod56cars

  • Karma: +1/-8
Re: this place is dead. lets see the back of your boat
« Reply #33 on: January 31, 2008, 10:41:36 pm »
 :o NICE, you got a bitchin boat to go along with your bitchin stroker engine  :o
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Quote
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

OC2Vegas

  • Karma: +12/-0
Re: this place is dead. lets see the back of your boat
« Reply #34 on: January 31, 2008, 11:04:36 pm »
Just bought this and haven't seen it in person yet.



Thats one of my favorite hull designs, congrats
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1979 Sanger Superjet
BBC, 12JG

jet boat performance

  • Karma: +25/-0
Re: this place is dead. lets see the back of your boat
« Reply #35 on: February 01, 2008, 06:58:20 am »
Blue, Nice engineeering and fab work ,looks like somebody new thier stuff !! SCORE !
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DOZZR

  • Karma: +2/-0
Re: this place is dead. lets see the back of your boat
« Reply #36 on: February 01, 2008, 09:20:39 am »
Better watch it with that one, you might put someones eye out with it  ;D, that sucker oughta shoot a hell of a rooster.......watch out rivertard lol
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cyclone

  • Karma: +1/-0
Re: this place is dead. lets see the back of your boat
« Reply #37 on: February 01, 2008, 01:08:32 pm »
I set it originally at approx. 2-3* up, then fine tuned it with the diverter in mid range (rooster around 3 feet above water level) at WOT, til I found the spot where it didnt porpoise, and didn't feel any drag. Just a degree or so really DID make a difference and now that it is set its around 1* "UP" It feels right no drag, no porpoise, but it is still scary to turn sharp.
Here are a couple more that might help, I can't believe I dont have any pics showing it straight on with the angle showing, I know I have one I just cant find it




that rideplate looks a bit too long. have you measured it yet?
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76 Bonneville

  • Karma: +25/-0
Re: this place is dead. lets see the back of your boat
« Reply #38 on: February 01, 2008, 01:15:33 pm »
Thats one of my favorite hull designs, congrats
I just sold one like that last week. Very nice boat.
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DOZZR

  • Karma: +2/-0
Re: this place is dead. lets see the back of your boat
« Reply #39 on: February 02, 2008, 11:26:25 pm »
Josh and I were talking about the length, the boat turns like chit and I have spun it out twice. I am going to shorten it up an inch at a time, up to 4 or 5 inches
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BOOST

  • Karma: +25/-0
Re: this place is dead. lets see the back of your boat
« Reply #40 on: February 02, 2008, 11:31:33 pm »
Just bought this and haven't seen it in person yet.


great score on that boat,what your plans for the motor ?

Josh@JBP

  • Karma: +6/-0
Re: this place is dead. lets see the back of your boat
« Reply #41 on: February 04, 2008, 11:12:00 am »
Josh and I were talking about the length, the boat turns like chit and I have spun it out twice. I am going to shorten it up an inch at a time, up to 4 or 5 inches
Greg Shoemaker posted this on the perfromance boat board:
    "Rideplates, rounded, concave, radiused. ribbed, dimppled and slotted proved to do nothing significant in a drag race set up. The rule of thumb when we started racing was somewhere around 18 inches. Well being young and fearless Jeff ,Norm, and myself decided to test ridplate length with one of the Dash for Cash boats at one of our famous test scessions at the now Blue Watwer Casino formly BlueWater home of the NJBA. On an off weekend we took our test to the water and this is what we came up with .Starting with a 18'' we ran the boat everything went well our std setup Test 2 20'' ran the boat and it was visibly freeer on the water all settings remainded the same.Test 3 22'' rideplate boat got way to loose. Test stopped on length. Now we went short rideplates 16'' was tried and the difference was the tail was stuck so we got the bright idea to try no ridplate at all and this is where the fun begins. The boat accelerates good, gets to top speed OK but the shut down was pretty bad, boat came down extremely hard .That was basically the end of the test secession on rideplates. We felt that we could make the boat a little better in different water conditions with the aid of a different length rideplate. Not a good idea to run a boat without a rideplate. So all you guys makes sure you have the proper length, bolts to hold your underwater hardware on because you'd never want a rideplate to fall off!!!!"

DOZZR

  • Karma: +2/-0
Re: this place is dead. lets see the back of your boat
« Reply #42 on: February 04, 2008, 12:42:34 pm »
Noting the fact that different boats are going to react differently to the same applications, I dont think it would be a good idea to "whop off" the rideplate at a specific lenght. But If I did, where would the measurements start from, in this order working from the front (intake) back to the end of the rideplate. You have three points where you would/could pull your measurement from, the longest point is the two tabs where it ties into the intake itself "fins", then there is the deepest part of radius where the plate molds with the intake, or the shortest point, the transom. What point do I pull of of to use as a reference when discussing ride plate length?

Is this my first thread-jack or am I ok, let me know and I'll start a new thread if needed.
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Brad @ SCJB

  • Karma: +255/-0
Re: this place is dead. lets see the back of your boat
« Reply #43 on: February 04, 2008, 01:29:22 pm »
at 1* up.... i think thats your problem right there...you want to be around 3* .....lil ricks boat was a degree or two off when he bought it and the previous owner had severe bow steering issues...so he (the previous owner) cut off the turn fin  :o ...rick took it over to jack over at MPD put a straight edge on it and knew right away why it was doing what it was doing. ....basically the previous owner hacked that turn fin off for no reason.

also, does the bottom have any hook in it? boats with hook that have droops tend to have porpising issues. putting your ride plate at 1* up will fix the porpising, but will lead to other issues (knifing and bow steering).
  • Boat #1: 1978 Liberty
  • Boat #2: 1982 Eliminator Sprint
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Josh@JBP

  • Karma: +6/-0
Re: this place is dead. lets see the back of your boat
« Reply #44 on: February 04, 2008, 01:48:17 pm »
Noting the fact that different boats are going to react differently to the same applications, I dont think it would be a good idea to "whop off" the rideplate at a specific lenght. But If I did, where would the measurements start from, in this order working from the front (intake) back to the end of the rideplate. You have three points where you would/could pull your measurement from, the longest point is the two tabs where it ties into the intake itself "fins", then there is the deepest part of radius where the plate molds with the intake, or the shortest point, the transom. What point do I pull of of to use as a reference when discussing ride plate length?

Is this my first thread-jack or am I ok, let me know and I'll start a new thread if needed.
Typically the over all length of the plate itself (asuuming the shoe and rideplate arent one piece), and that would be about 3/4 to an inch longer than the measurment from the bottom/back of the intake (the part you machined) back.

DOZZR

  • Karma: +2/-0
Re: this place is dead. lets see the back of your boat
« Reply #45 on: February 05, 2008, 02:32:17 am »
When I was adjusting the ride plate after my initial setup, It was obvious that even a half turn up or down makes a noticeable difference. And living so close to the lake and having a pass, day after day,...well evening after evening ::). I was able to get it dialed in to the best spot it was going to get, I actually learned quite a bit just by reading these posts, making the adjustments and being able to test it right then and there. I am certain found the best angle performance wise, I will go and check the final angle and let you know what I ended up with.
So now I will need to get the steering dialed in, and it sounds like we are headed in the right direction.
After hearing and reading these posts, I am thinking I'll notice a pretty big difference with the ride plate shortened, one other issue is one of my fins has a nice nick out of it, I hit a rock on the Avi trip (dam things ..right in the middle of the river) ;D, there are no noticeable changes now but from what I have read in the past, about all I can do is even them out. But I will bring that up when I am under it and can take some pics.
Thanks for all the input........great imformation!!
John
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shawnthedrifter

  • Karma: +0/-0
Re: this place is dead. lets see the back of your boat
« Reply #46 on: February 05, 2008, 10:59:49 pm »
Next time I take it apart its getting a diverter and some new powder coating. Shoemaker built it.

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gransport

  • Karma: +0/-0
Re: this place is dead. lets see the back of your boat
« Reply #47 on: February 09, 2008, 07:10:05 am »
OK Here it is as I purchased it , 197? Sanger Super  Jet
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hotrod56cars

  • Karma: +1/-8
Re: this place is dead. lets see the back of your boat
« Reply #48 on: February 09, 2008, 09:07:12 am »
OK Here it is as I purchased it , 197? Sanger Super  Jet

BBC!

What's that engine in the background, on the floor?
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Quote
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

gransport

  • Karma: +0/-0
Re: this place is dead. lets see the back of your boat
« Reply #49 on: February 09, 2008, 09:50:40 pm »
Engine is   a  BBC  WITH AL HEADS   MAG AND TUNNEL RAM, I did not   get that motor with the deal .
The boat is on a trailer in the pic  .
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