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OUTLAW EAGLE MANUFACTURING ALUMINUM BOAT FORUM
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SouthIdahoGary
Joined: 15 Jun 2005 Posts: 295 Location: Wilder, ID, USA
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Posted: Wed Dec 20, 2006 11:05 pm Post subject: 2007 AWJA Sport Jet Inclusion and Proposed Ruleset |
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The AWJA US Championship Series for 2007 has included Sport Jet as a recognized class. They will run for National Points and end of year recognition paraphenalia. The SJ purse will come from SJ entry fees. Any race venue that pays leg or contingency money will also pay the same to SJ's. Any race venue may also supplement that amount in any way they may see fit after the AWJA fees and the "regular" purse has been met.
After discussion with SJ racers and manufacturers in the US and Canada and the AWJA Rule Committee this is what I think we are going to settle on for the US Series in 2007
EDITS AFTER THE ORIGINAL POST ARE IN RED
AWJA Sport Jet Class (SJ) Rules
Class designed as an entry level class with propulsion being the same type and power level.
For “SJ” Sport Jet Class the only engines allowed in this class are two stroke engines and they can not be modified. The motor/pump shall be a commercially available package unit. The boat / entry / crew must conform to all AWJA safety and operational rules i.e. roll bar, seat belts, life jackets, helmets, see also EQUIPMENT sections in AWJA and APBA Rule 7. If motor cover is employed boat must have either an onboard fire suppression system OR an operational electrically operated blower/ventilation system.
Numbering: All boats shall be numbered according to the following numbering scheme:
Class to have numbers consisting of SJ01-SJ50. It is required that each boat in this class include its class designation –SJ- as part of its displayed number.
Hull:
-Rigid, any shape and material, NO glass windscreen, the MINIMUM length shall be 13 feet.
Machinery:
-The engine must be a standard production line unit. The engine must be of two stroke design, V cylinder configuration, 6 cylinder, with a maximum of 250 HP @ impeller as stated by the manufacturer in their published literature. (i.e. Mercury Optimax 200, Optimax, 250, 240 EFI)
Engine limitations:
-Single engine only
-Gasoline for fuel ONLY. No power enhancing additives.
-Factory oil injection to remain operational, 2 stroke oil only, no power enhancing additives.
- Maximum oversize piston diameter allowed for overhauled engines is 0.020”.
- No modifications in the cylinder block assembly; porting; reed block; cylinder head assembly; crankshaft; pistons; and/or connecting rods are allowed; All the engine replacement parts or parts contained therein must be standard production “off the shelf line items” as manufactured and distributed by the original manufacturer.
- The whole exhaust system shall be “standard” as delineated / included in the manufacturer’s catalog, no modifications allowed.
- All boats must have a muffler assembly in the exhaust system.
-Ignition/computer control to be standard. No reprogramming or alteration except within allowed factory tuning specifications.
Propulsion:
- The Jet Drive must be the standard production line unit for the package.
- No modifications in the transmission or in the housing of the jet pump are allowed. The gear ratio must be the original factory specification for the unit.
- All the Jet Drive replacement parts or parts contained therein must be standard production “off the shelf line items” as manufactured and distributed by the original manufacturer. No exceptions are allowed.
- Impeller - Any factory/original manufacturer impeller.
- Nozzle - Any factory/original manufacturer part - modifications allowed-Nozzle must retain as cast exterior dimensions and appearance- No fabricated nozzles allowed. Any modifications must not degrade the integrity or safety of the unit.
- Wear Ring - Any wear ring material allowed as this is considered a rebuild modification to the stock OEM housing.
- The use of separators and/or wedges to modify the angle of the water output are allowed.
- The reverse system is NOT MANDATORY.
- no trimmable nozzles
- trim tabs or trimmable ride plates are allowed.
Note of Intent: The Spirit of the SJ class is to allow potential racers to run their pleasure boats in a competitive sense. The necessary addition of roll bars and other necessary safety rules have caused this class to stray somewhat from its original intent of a boat which can be “run on Monday and raced on Sunday”. However in limiting modifications to stock original equipment manufacted parts in the jetpump we believe it will minimize costs incurred to those involved in this racing class but still keep the racing competitive. By allowing racers to modify stock parts they can for example chose between a SS or UHMW wear ring and remain within the rules. If this modification was not allowed stock aluminum units would be the only option and racers would likely be forced to change housings several times over a multiple day race to maintain top performance thus incurring additional costs. Installation of a SS or UHMW wear ring, a particularly common modification for most SJ’s, will eliminate the need for that ongoing cost while racing. _________________ "faster, Faster, FASTER until the thrill of speed overcomes the fear of DEATH"#163 "Tuff-n'-Nuff"
Last edited by SouthIdahoGary on Fri Jan 05, 2007 5:21 pm; edited 2 times in total |
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Alumaman
Joined: 26 Jul 2005 Posts: 306 Location: Whitecourt
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Posted: Thu Dec 21, 2006 8:03 am Post subject: |
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Very well written Gary.
Thank you to yourself and those who worked to get SJ officially into the AWJA. |
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SouthIdahoGary
Joined: 15 Jun 2005 Posts: 295 Location: Wilder, ID, USA
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Posted: Fri Jan 05, 2007 5:23 pm Post subject: |
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After some additional thought and discussion have added the following addition to the nozzle section--- after "modifications allowed"-Nozzle must retain as cast exterior dimensions and appearance- _________________ "faster, Faster, FASTER until the thrill of speed overcomes the fear of DEATH"#163 "Tuff-n'-Nuff" |
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SouthIdahoGary
Joined: 15 Jun 2005 Posts: 295 Location: Wilder, ID, USA
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Posted: Fri Jan 05, 2007 5:24 pm Post subject: |
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After some additional thought and discussion have added the following addition to the nozzle section--- after "modifications allowed"-Nozzle must retain as cast exterior dimensions and appearance-[/color
Have also editted the original post-[color=red]EDIT IN RED also _________________ "faster, Faster, FASTER until the thrill of speed overcomes the fear of DEATH"#163 "Tuff-n'-Nuff" |
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