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852X - 8.5" Two-stage WaterJet Product Release

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852X - 8.5" Two-stage WaterJet Product Release

Postby Scottwaterjet » Wed Sep 11, 2019 5:58 pm

We are happy to announce the release of our new 8.5" Two-Stage WaterJet the 852X

So earlier this year Scott WaterJet went out to customers and the wider jetboat community for feedback. The 852X is the product of overwhelming feedback in a very short period of time, which compelled the design team at Scott WaterJet to push ahead. The 852X presents an appealing upgrade option for all jet boaters running an HJ212. The “X over” (retrofit) to the 852X is very straight forward as placement of the engine and other key components remain unchanged minimising the effort and costs. Importantly boat builders who fit HJ212’s will be able to fit the 852X straight into their production line without change. Additionally, boaters looking for the “X factor” will have a simple cost-effective way to increase the performance and handling of their boat negating the need for an expensive boat replacement.

So now, along with its bigger brother the 912, there is a higher featured retrofit and new build option for a broader range of existing jet boat users. The application range of the two units is generally complementary to each other with a small area of overlap. Importantly though, as the intake footprint is identical for both the Scott Waterjet 8.5” and 9.1” the jet boater can easily upgrade from one to the other when considering a more powerful engine or the need for a higher load lifting capability. The 852X comes standard in a Two-stage configuration including a Scott Trim Nozzle so the opportunity to simply upgrade your existing single stage pump to a more capable waterjet is a no brainer.

The benefits of the 852X speak for themselves:
* the ability to actively trim your boat for varying water and load conditions
* provide better ‘holeshot’ ability
* significantly improve resistance to cavitation and spinout
* superior white-water capability
* increased ability to plane in shingle shallows even with a ‘grill full’.

You also asked for a close coupling to maximise cockpit space while still providing a “quiet” driveline. Well, the 852X provides this and much more!

The 852X is ideally suited to recreational boats in the 14-21ft range, extreme use white water boats and the vigorous shallow water boater where the trim and two-stage configuration helps to maintain performance even with a bunch of stones in the grill. The longer jet with more leverage improves handing, with the trim and the grip of the two-stage higher volume jet lending itself to requirements of higher load-lifting boats, such as commercial operators running 350 - 383 style engines.

The ability to tune the jet with various impeller combinations and nozzle insert sizing, and resistance to cavitation / spinout, allows the boater to extract all the power from their engine. If more is required, enter the 912 able to handle larger horsepower engines, boats and loads be it for commercial operations or the serious hunter heading off into the remote regions of USA and Canada.

But, we’re not resting on our laurels there. For Scott WaterJet this is just the start of development and progression into the future of jet boating and we’ve very excited about bringing our jet boating family along for the ride.


Example 852X Engine Applications;
Indmar 2.3l Ecoboost, 5.7, LS1, Lexus V8, Nissan V8, LS2, LS3, 350 Chev, 383 Chev, 495 Chev, 8.1, HO 8.1, Indmar 440/460, 6.2DI, custom small block builds , and LSA in smaller boats up to 21ft

Example 912 Engine Applications;
8.1 / 8.1HO, 6.2DI, Indmar 460, KEM 7.4L (LSX500), LSA, Raptor575, Chev ZZ502, 499 Mopar, Chev 572, High power Custom V8 Builds, LT4, LT5 and Diesels such as
the Mercury 4.2 TDi.
Scott_Waterjet-852X 2.jpg

Scott_Waterjet-852X+912 2.jpg
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby bandrews22 » Wed Sep 11, 2019 8:16 pm

What is the base price for 852x setup for the 2.3l ecoboost? CAD$
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby Great White » Wed Sep 11, 2019 10:53 pm

Any RPM/Speed/Fuel burn data?
21' Custom Weld WWS...LS3/212.
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby rockchuckar » Thu Sep 12, 2019 7:07 am

bandrews22 wrote:What is the base price for 852x setup for the 2.3l ecoboost? CAD$

Sent you a PM
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby rockchuckar » Thu Sep 12, 2019 7:10 am

Great White wrote:Any RPM/Speed/Fuel burn data?

We do not have any data with the eco-boost engine as of yet .
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby prd » Thu Sep 12, 2019 9:21 am

Never seen the mercury diesel. Looks like a nice engine for Jetboats. Have you folks used one at all? 3000 rpm power looks pretty darn good.
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby hilljackian » Thu Sep 12, 2019 1:27 pm

Scottwaterjet wrote:
...The application range of the two units is generally complementary to each other with a small area of overlap...

Example 852X Engine Applications;
Indmar 2.3l Ecoboost, 5.7, LS1, Lexus V8, Nissan V8, LS2, LS3, 350 Chev, 383 Chev, 495 Chev, 8.1, HO 8.1, Indmar 440/460, 6.2DI, custom small block builds , and LSA in smaller boats up to 21ft

Example 912 Engine Applications;
8.1 / 8.1HO, 6.2DI, Indmar 460, KEM 7.4L (LSX500), LSA, Raptor575, Chev ZZ502, 499 Mopar, Chev 572, High power Custom V8 Builds, LT4, LT5 and Diesels such as the Mercury 4.2 TDi.



Please elaborate on "small area of overlap" statement. When viewing the example engine applications it looks like there is a considerable area of overlap. What general criteria is one to use when deciding which pump for an application?
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby Scottwaterjet » Thu Sep 12, 2019 5:19 pm

hilljackian wrote:
Scottwaterjet wrote:
...The application range of the two units is generally complementary to each other with a small area of overlap...

Example 852X Engine Applications;
Indmar 2.3l Ecoboost, 5.7, LS1, Lexus V8, Nissan V8, LS2, LS3, 350 Chev, 383 Chev, 495 Chev, 8.1, HO 8.1, Indmar 440/460, 6.2DI, custom small block builds , and LSA in smaller boats up to 21ft

Example 912 Engine Applications;
8.1 / 8.1HO, 6.2DI, Indmar 460, KEM 7.4L (LSX500), LSA, Raptor575, Chev ZZ502, 499 Mopar, Chev 572, High power Custom V8 Builds, LT4, LT5 and Diesels such as the Mercury 4.2 TDi.



Please elaborate on "small area of overlap" statement. When viewing the example engine applications it looks like there is a considerable area of overlap. What general criteria is one to use when deciding which pump for an application?


The 852X and 912 overlap in that 6.2DI, 8.1, LSA area more specifically for smaller & lighter boats. If you want to carry a big load then the 912 is the best choice. The 852X with those engine choices in a smaller\ lighter boat is likely to have a higher top speed but will not have the same load carrying capability of the 912 combo. If you are unsure about the choice please reach out.
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby Kilowatt » Fri Sep 13, 2019 8:11 am

Will the 852 be phased out eventually? Doesn't seem like there is much point in keeping it around with the 912/852X sharing parts and both having the clean out access hatch/close coupling ability?
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Re: 852X - 8.5" Two-stage WaterJet Product Release

Postby Scottwaterjet » Fri Sep 13, 2019 5:26 pm

Kilowatt wrote:Will the 852 be phased out eventually? Doesn't seem like there is much point in keeping it around with the 912/852X sharing parts and both having the clean out access hatch/close coupling ability?


No plans to phase the 852 out. We anticipate that the 852X will be the most popular choice 8.5" Two-stage pump with Trim
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