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Scott 912

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Re: Scott 912

Postby Great White » Sat Oct 07, 2017 1:02 pm

IS there any comparative fuel burn data?

What altitude was the test conducted at? 4100 RPM WOT with an LSA and 212/4.0 seems low.
21' Custom Weld WWS...LS3/212.
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Re: Scott 912

Postby rockchuckar » Sat Oct 07, 2017 3:33 pm

Testing was done at 2800 ft. on deep flat water. Weather conditions were between 93 - 97 degrees F. No fuel burn comparison data was taken during testing .
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Re: Scott 912

Postby mgrant » Sat Oct 07, 2017 5:33 pm

Hey Jeff, do you know if the 212 being tested had any pump work done to it? I can remember HCM having a guy on hand, who used to tighten tolerances on Hamilton pumps that were paired with the LSA, and a few boats even made it to Intermountain Machine for Roy to add pitch. To me it sounds like your 212 may have had work done to it, which makes the Scott 912 even that much more impressive in the data if the 212 was improved by a machinist ;)

The 212 I had in my old boat had almost 3/16" gap between the impeller and wear ring when we unboxed it; and with Roy's tightening it up and added pitch, WOT RPM dropped nearly 300 rpm. My current 212 had a much tighter tollerance, so most of the minimal RPM drop from Roy's work was due to repitching. I have personally seen Hamilton's sporadic quality control with the 212 manufactoring; the impeller being only one such example that can have a wide affect on pump performance.
Last edited by mgrant on Sat Oct 07, 2017 7:13 pm, edited 2 times in total.
OutKast 24ft (self built). Fuel Injected 499 Max Wedge Mopar. Hamilton 212, impeller modified by Intermountain Machine & Fab (4.4t).
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Re: Scott 912

Postby Benny » Sat Oct 07, 2017 6:30 pm

Nice work guys!! Do you have any pics of the boat loaded? Would like to see how you had the loaded barrels places and how the boat sat in the water at rest when loaded. If you don't mind sharing. Thanks
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Re: Scott 912

Postby rockchuckar » Sat Oct 07, 2017 10:12 pm

Mike the 212 was bone stock. We should have some videos put together after hunting season is over that will show the way the boat was loaded. I can tell you that fully loaded the swim deck may have been an inch out of the water.
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Re: Scott 912

Postby Great White » Sun Oct 08, 2017 1:17 am

The test data sure puts the 912 pump in the category of impressive....now....how does one get a ride in a boat with a 912.
21' Custom Weld WWS...LS3/212.
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Re: Scott 912

Postby rockchuckar » Sun Oct 08, 2017 6:45 am

Great White wrote:The test data sure puts the 912 pump in the category of impressive....now....how does one get a ride in a boat with a 912.


Come to Boise .
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Re: Scott 912

Postby Benny » Sun Oct 08, 2017 9:03 am

Have you guys tried different nozzle inserts yet? If so how much rpm change do you get from size to size with same impeller set up?
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Re: Scott 912

Postby rockchuckar » Mon Oct 09, 2017 9:05 pm

Benny wrote:Have you guys tried different nozzle inserts yet? If so how much rpm change do you get from size to size with same impeller set up?

1 mm in nozzle size is worth 50 rpm's
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9.1" Two Stage WaterJet - Drive Line Features

Postby Scottwaterjet » Fri Oct 13, 2017 3:18 am

Overview of Features
1. Drive Line
2. Heavy Duty High Thrust Split Duct Reverse

> More will follow <
Attachments
912 Features - Drive Line Options.jpg
912 Features - Heavy Duty High Thrust Split Duct Reverse.jpg
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Re: Scott 912

Postby callingalltheshots » Wed Oct 18, 2017 3:13 pm

I did get to run the Scott 912 in Jeffs boat last week. Yes I was very impressed with the performance.
2006 HCM Granite HD 1703.5 hours
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Re: Scott 912

Postby cbc7 » Wed Oct 18, 2017 8:11 pm

I ran it last night and I was impressed also.
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Re: Scott 912

Postby mgrant » Wed Oct 18, 2017 8:44 pm

Thanks for the feedback guys. I'm a little bit removed from my hometown of Lewiston these days, though I had no doubt that it would be very good, being over 9" diameter and a true two stage :Drink:

Jeff: I can't wait!! And finally, a pump worthy of a 6.2 Hellcat marinization project for my plum crazy purple tub ;)
OutKast 24ft (self built). Fuel Injected 499 Max Wedge Mopar. Hamilton 212, impeller modified by Intermountain Machine & Fab (4.4t).
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