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PWC Racing Survey (hull design)

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Hxracer000

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Dec 11, 2000, 3:07:55 PM12/11/00
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I would like to include a survey in the report I am writing about PWC hull
design. Please help me out and respond to this, besides, it might be
interesting to see what everyone says. Remember, all of this is theoretical.
The report is on hull design for CLOSED COURSE racing in the R/A 1200 class, so
please think within those lines.

1) What type of hull design would you prefer?
a. Surfacing (hydrofoils)
b. Flat Bottom
c. V-Bottom
d. Cathedral (tri-hull)
e. Tunnel Hull
f. 3 point hydroplane

2) What is the most important charactaristic of a hull design?
a. Handling
b. Stability
c. Speed

3) What construction material would you prefer?
a. Fiberglass
b. SMC
c. Carbon composite
d. Aluminum

4) What length and width would you prefer?

5) What features would you like to see included?
a. Spray chines
b. Stepped hull
c. Air induction (kawi zxi style)
d. Other

6) What riding style do you prefer?
a. Inside Lean
b. Neutral
c. Outside Lean

7) What model of PWC do you ride now?


Thanks for responding, I will post the results and probably the final paper in
a few weeks after I get it all done. One last thing, please dont turn this
into a brand / flame war.

Curt Jazwiecki

snowmobile-rentals.com

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Dec 11, 2000, 3:56:42 PM12/11/00
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Hxracer000 <hxrac...@aol.com> wrote in article
<20001211150755...@ng-fl1.aol.com>...


> I would like to include a survey in the report I am writing about PWC
hull
> design. Please help me out and respond to this, besides, it might be
> interesting to see what everyone says. Remember, all of this is
theoretical.
> The report is on hull design for CLOSED COURSE racing in the R/A 1200
class, so
> please think within those lines.
>
> 1) What type of hull design would you prefer?
>

> c. V-Bottom


>
>
> 2) What is the most important charactaristic of a hull design?
> a. Handling
>

> 3) What construction material would you prefer?
> a. Fiberglass
>

> 4) What length and width would you prefer?

> 110-120x46 or so

> 5) What features would you like to see included?
> a. Spray chines

> d. Other----> lifting strakes


>
> 6) What riding style do you prefer?

> b. Neutral


>
> 7) What model of PWC do you ride now?

> many, but I like the SPX, but it is too short for 1200


>
> Thanks for responding, I will post the results and probably the final
paper in
> a few weeks after I get it all done. One last thing, please dont turn
this
> into a brand / flame war.
>
> Curt Jazwiecki
>

No problem! Good luck with the paper!

Scotty Wrench
--
Scott Gillies
Muskoka Motion Limited
Huntsville, Ont., Canada.
(705) 789-0262
http://www.snowmobile-rentals.com

GP

unread,
Dec 11, 2000, 6:25:25 PM12/11/00
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Hxracer000 wrote:

> I would like to include a survey in the report I am writing about PWC hull
> design. Please help me out and respond to this, besides, it might be
> interesting to see what everyone says. Remember, all of this is theoretical.
> The report is on hull design for CLOSED COURSE racing in the R/A 1200 class, so
> please think within those lines.
>

> 1) What type of hull design would you prefer? (C)
>
>
> 2) What is the most important charactaristic of a hull design?(A)

> 3) What construction material would you prefer?(a) then (c)
>
> 4) What length and width would you prefer? depends for what, X4 is my favourite
> hull, maybe those 97 bullet GP hull would be the best

> 5) What features would you like to see included?

> (A), and mental block sorry
>
> 6) What riding style do you prefer?(B) for the most part except for when riding a
> boat for fun then lean in.
>
>
> 7) What model of PWC do you ride now? favourite x4 but I will ride anything

SiCkAiR219

unread,
Dec 11, 2000, 7:18:57 PM12/11/00
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If I'm not mistaking, The 97 Bullet Marine GP hull, is what is on the GPR

Jr. RacR

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Dec 11, 2000, 7:42:51 PM12/11/00
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1) What type of hull design would you prefer?
c. V-Bottom - V style hulls handle rough water superior to any other style.
Flat hulls are the best turning and very fast, but cannot handle the conditions
seen on tour.

2) What is the most important charactaristic of a hull design?

a. Handling - In a closed course race, the boat must handle rough water
well...it must hook up and turn or it will not be competitive.

3) What construction material would you prefer?

a. Fiberglass - Definately the best choice for hull construction...easy & cheap
to repair, strong, and light. Composites are very expensive to purchase and
repair, although light and hard.


4) What length and width would you prefer?

Larger boats do well in the rough as well as being superior in a shoving match.
The heavier weight and larger size theoretically would slow the boat, but the
GPR has proven its worthiness on tour.

5) What features would you like to see included? added features such as the
KAIS are pretty much useless as a race boat. they add weight and yield very
little gain. Stepped hulls are great for drag racing, but in a choppy race
course, when negotiating buoys and such, it's like "putting oil under the tires
of a race car", as mel miller puts it. Adding air to an already short boat
decreases it's ability to handle rough water and turning, as the old style GP
has shown.

6) What riding style do you prefer?

b. Neutral - Flat turning boats do better in the runabout 1200 class, as they
are less prone to be thrown around by chop, and stay glued to the water.

7) What model of PWC do you ride now?

I currently ride Sea-Doo XP Limiteds as well as a Yamaha XL1200 Limited
**************TEAM Ritchie Racing****************
Kenny #204
'98 Sea-Doo XPL 1050SS

Sponsors: Team Ritchie Racing, Miller TSE, Stricklin Performance, UMI Racing,
Dad

Hebrews 12:1

Mario

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Dec 11, 2000, 8:08:47 PM12/11/00
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It's based on that design, however it's by no means the same hull.

>If I'm not mistaking, The 97 Bullet Marine GP hull, is what is on the GPR<<<

>From: sicka...@aol.com <<<


Mario
temps are falling? :-(

SiCkAiR219

unread,
Dec 11, 2000, 8:18:44 PM12/11/00
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From my understanding, the hull design itself is pretty much the same mold,
only not carbon fiber...That came from the Gewekes...could be wrong though.

Mario

unread,
Dec 11, 2000, 10:38:17 PM12/11/00
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The new hull is longer wider and flattened at the rear before the grate besides
wheighing quite a bit more than the carbon bullett hull in addition to which it
has a splash deflector not found in the original, which undubtedly affects
handling when slowing down and turning. No I never rode the original, but if
you look at both hulls side to side, you can tell the difference. At the '99
World Finals Riva had an old GP s/s with the carbon hull and it's different
enough to not be categorized as "the same" hull.


tarza...@yahoo.com

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Dec 12, 2000, 1:35:22 AM12/12/00
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>1) What type of hull design would you prefer?
3 point hydroplane hehehehhe
DOnt laugh!!! the old Wetbikes were theoretically 2 point hydroplane!
;-)

>2) What is the most important charactaristic of a hull design?

That it floats... And will always float

>3) What construction material would you prefer?

Styrofoam... its light.. it floats and it would be cheap to fix

>4) What length and width would you prefer?

11" with a 6" girth.. Wait.. What are we talking about here?


>5) What features would you like to see included?

A harpoon on the front for big beached or floating chix..

Maybe alterative fuel power.. Like those hybrid cars.. Maybe propane
or even better yet Diesel.... How about Turbine?

>6] What riding style do you prefer?
Usually facing forward with both hands on the handlbars.. Unless I am
on an Ultra where I need a harness just to keep me from unexpected
dismounts

>7) What model of PWC do you ride now?

A 1968 Sea Doo.. 35 hp single 2 stroke air cooled engine. A real GPR
killer and the handlbars look like they came off my BMX bike

>Thanks for responding, I will post the results and probably the final paper in
>a few weeks after I get it all done. One last thing, please dont turn this
>into a brand / flame war.

Yamabarge!!!!!!!

Curt Jazwiecki

Just Terry

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Dec 11, 2000, 11:52:43 PM12/11/00
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Put a 951 in an HX hull. That answers it all.

"Hxracer000" <hxrac...@aol.com> wrote in message
news:20001211150755...@ng-fl1.aol.com...

tarza...@yahoo.com

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Dec 12, 2000, 3:26:19 AM12/12/00
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Was the HX hull that good?
What was the top speed of the 97 HX?

Jr. RacR

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Dec 12, 2000, 8:37:14 PM12/12/00
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>Was the HX hull that good?
>What was the top speed of the 97 HX?

The HX works well in the sport class, but would find a speed wall in the
runabout classes because of it's length. It's a great boat, really fun to ride.
they do mid 50s i believe...

Jr. RacR

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Dec 12, 2000, 8:40:46 PM12/12/00
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Pump cavity has been modified and made much smaller. The hull has been
stretched length wise as well as width so says Yamaha. I believe the spray
deflectors are added as well...

>From my understanding, the hull design itself is pretty much the same mold,
>only not carbon fiber...That came from the Gewekes...could be wrong though.

SiCkAiR219

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Dec 13, 2000, 12:45:54 AM12/13/00
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HAHAHA KENNY, DONT TRY AND GET ALL TECHINCAL ON ME

SiCkAiR219

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Dec 13, 2000, 12:46:37 AM12/13/00
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EVER RIDDEN ONE KENNY?

Just Terry

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Dec 13, 2000, 12:58:20 AM12/13/00
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Thery were never real fast, because they had that tiny 720 motor. IF only
Seadoo carried them one more year and added the 785. Things in this world
would be a lot different now.......Oh the humanity..........

<tarza...@yahoo.com> wrote in message
news:3a35e116...@news.koyote.com...

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