First Drive: Polaris EX2100 Sport Boat, Bio Fuel, Bio Diesel and New Energy Information

First Drive: Polaris EX2100 Sport Boat

Author: Robert Stephens

Bio Clean Fuel The first full-size boat from Polaris was seen as a sketch, in every sense of the word rough. It was drawn on the same palette football coaches use to dream up offensive plays: a paper napkin. In its original rendition, the boat looked to be over 20 feet long with a wide beam, high curves in the gunwales and an aerodynamic stern. In its final form, the EX2100 Sport Boat doesn’t look much different from that original draft, drawn with pen and paper at a restaurant table.

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Earth Bio Fuel We drew our impressions of the new Polaris during a land check and test drive of the first model out of the mold. First, we were surprised at the boat’s size. As a builder of personal watercraft, Polaris would be expected to follow the path of the other PWC makers that have grown the jet boat market. They start by creating little fun machines before bulking up to recreational boats. But Polaris skipped the “in-between” process and went straight to a 21-foot sport boat with an open bow and a 50-gallon fuel capacity.

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Bio Flight Fuel Green Jb100 “We have a new team in place,” says Ron Bills, general manager of Polaris Watercraft, “and our backgrounds are in the boat business, not just watercraft folks.” That’s why the EX2100 is all fiberglass, including the stringers and transom, with an 18-degree deadrise and channels along the keel, all of which come from the pleasure boat influence. For rigidity they’ve gone the route taken by top-shelf performance boat companies like Baja and incorporated a half-inch of balsa core. They also carefully fit the stringers to run flush against the hull and bonded them in place with aircraft-quality adhesives. The result is a solid boat rated for 250 horsepower.

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Bio Bio Fuel Less More Waste Then there was the outer design of our intro boat. It’s very wide through the midsection, with dramatically rounded lines through the bow and around the windshield frame, capped by a stylish raised transom and sun pad. Overall, the style cannot be confused with any other jet-drive boats. Polaris chose to partner with Baja Marine in the development of the EX2100, so it carries the racy look for which Baja is known. Baja also brings a closed-mold building process to the table, so the thickness of laminates is more consistent than you’ll find in an open-mold boat.

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Make Bio Fuel Mercury makes up the third part of this development tripod. They offered input not only for power but for a bottom design that would support maximum power without sacrificing safety.

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Bio Fuel Jb100 Jet Properties Polaris didn’t skimp in places where they could have. Hinges, air intakes and grab handles are stainless steel. Cleats are extra-large, Teleflex gauges are the size of salad dishes and gas shocks open and hold the transom-wide engine lid. The boat comes standard with a CD player, sport wheel and matching trailer. (For boaters who regularly pull water sports we’d suggest opting for the extended pylon by Swivel-eze.)

Fuel Cell Bio Our test of this early edition was on a small lake in Central Florida, just long enough to find a legitimate top speed of 49.4 mph (with 480 pounds of people and 30 gallons of fuel) under the power of a 250-hp OptiMax jet drive. The bow tipped a little at takeoff but not enough to interrupt our forward sightlines. Dawdling in three feet of water did not elicit anxiety because jet-powered boats have no exposed outdrive or prop to be damaged in shallow water. You just have to watch your draft; get shallower than that and you can draw sand or debris into the jets, harming the impeller.

Bio Conversion Fuel It was in turns that the EX2100 made its mark. A Mercury technician challenged us to pin the throttle and the wheel. In most other jet-drive boats that maneuver would cause us to immediately spin 360 degrees. But because the Polaris has a channel on each side of the keel, the bottom surface stayed wet, and the boat turned sharply but under complete control. We couldn’t spin it out. In reverse, a bucket drops over the jets to precisely direct water in such a way that the boat is easy to handle at slow docking speeds.

Green Energy A couple of points about our test boat: Its dry weight was 2,300 pounds, but the design team was planning to lose some laminates to lighten production models by 300 pounds, which in theory will get an extra mph or two. Also, we were promised that the throttle position would be moved away from the gunwale so knuckles won’t bump the coaming pad.

Bio Ethanol Fuel We expect to hear more from Polaris in the runabout market. Our drive of this intro model was full of more positives than we had anticipated from a longtime player in the watercraft market. And using EX as a prefix tells us they’ll have a sister model in the near future.

Bio Clean Fuel

Earth Bio Fuel POWER CURVE

Bio Flight Fuel Green Jb100 RPM MPH

Bio Bio Fuel Less More Waste 1,000 3.8

Make Bio Fuel 1,500 4.4

Bio Fuel Jb100 Jet Properties 2,000 5.9

Fuel Cell Bio 2,500 6.9

Bio Conversion Fuel 3,000 7.7

Green Energy 3,500 8.7

Bio Ethanol Fuel 4,000 27.8

Bio Clean Fuel 4,500 33.4

Earth Bio Fuel 5,000 41.7