The efficiency of a jet is far poorer than a prop. How about a heavy load? You may be able to find more information about this and similar content at piano.io, A Portable Fire Pit Is Back in Stock and on Sale, How To Get Started in Cross-Country Skiing, The Best Outdoor Gifts for Every Type of Adventure, 43 Well-Designed Gifts for Cycling Enthusiasts, The Best Skis To Shred the Whole Mountain. It feels, well ... nervous. Raising the boat transom approximately six inches takes longer, depending on how you do it. Welcome to Outboard Jets. After some good use, the output goes down even more. Yamaha and Sea-Doo build the best-known jet boats. And that's pretty much the way our carefully instrumented testing worked out. Indeed, one of our testers turned sharply to starboard to please the photographer, slid right out of the seat and found himself sitting on the cockpit sole heading at full throttle toward the photo boat without a hand on the helm. 18 in./18 in. Shallow lakes, rocky rivers, rapids, sandbars - our Jet outboards are ready to explore. Reliable, efficient 4-stroke design. Humidity: If you're a 20-year-old fisherman or a 50-year-old hot rodder, we're not sure what to tell you. This is like the jet boat in once set is hard to change. 23 gal. A jet boat does not have an outdrive or prop/driveshaft, so there is typically nothing hanging down below the boat. A sterndrive system mates a V6 or V8 engine located inside the boat with a steerable outdrive and propeller attached to the boat transom (a sterndrive is also often called an inboard/outboard, or I/ O). The first thing you notice is the striking white upholstery and pearlescent … Our one criticism: Fake carbon-fiber trim doesn't look any better in a Yamaha jet boat than it does in a Mercedes sports car. Read on to learn more about the differences between jet drive and sterndrive boats. A diverter (called the reverse bucket) drops over the jet nozzle to create reverse thrust. SPECIFICATIONS, DIMENSIONS AND PERFORMANCE 1999 JETS/RUNABOUTS SEA-DOO YAMAHA BAYLINER SEA RAY Model Challenger 1800 LS2000 Capri LS 180 Dual Console Length 17 ft. 11 in. Because there's no lower unit extending below the hull, the jet drive permits passage over obstacles that would restrict access to a propeller-driven outboard boat. 2021 … 18 ft. Beam 7 ft. 6 in. In other words, it's impossible to shift one engine into Forward and the other into Neutral or Reverse, the way you would when docking a conventional twin-screw. Even more annoying, the small, high-revving engines of the jet boats produce a high-frequency scream. This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. The safety and space savings of the jet out weigh that for me. The Mercury Sport Jet pairs a jet drive with a … Jet Engine Basics. Most any outboard from 25 horsepower and larger can be converted to a jet drive. The two jets have shallow-draft hulls that skip over the water like a flat stone, while the outboards have V-shaped bows that cleave through the waves. An outboard jet is simply a standard outboard with an aftermarket jet pump bolted to where the prop unit sits. Draft (Drive Up/Drive Down) 12 in./12 in. Boats. We prefer the Sea-Doo, mostly because the girls seem to like it better than the Yamaha. Jet boat or outboard? The pump intake can be clogged by weeds, and a stray ski rope or dock line can be drawn into the pump and get tangled inside. For example, at a No Wake 6 mph, when the outboard is turning a quiet 1200 rpm, the engines in the Sea-Doo are already spinning at 3500 rpm to maintain the same speed. The compact four-cylinder engine that powers most jet drive systems takes up less space in the boat and is also lighter than a sterndrive engine, which can make the boat easier to tow on a trailer. Futuristic jet boat or traditional outboard runabout. Latest. Unlike a propeller drive, a jet can develop full HP at a standstill. The jets are clearly quicker and faster, but you pay for that performance. Bottom line: Either jet boat is fun with a capital "F". At a glance, you'd expect the jet boats to be quicker, faster and more fun, and the outboards to be roomier, more stable and more seaworthy. If you're 50 years old and you want a boat safe and versatile enough to take your married daughter waterskiing with her whole family and later on in the evening, teach your grandson how to fish, you need an outboard runabout. Please! That may seem tame by motorcycle standards, but it's seriously quick for something that floats. Get the regular outboard and then get the jetfoot attachment, that way you can switch it out when you want to run a prop. Including boat, motor and trailer, the Bayliner lists for a bargain $11,895. For over 40 years, Outboard Jets has provided quality conversion units for outboard motors designed to allow a boat to be used in locations where a propeller driven boat is unable to operate – in shallow, ankle deep water. © 2020 National Marine Manufacturers Association. A jet drive system does have some disadvantages. No. At $19,830 including trailer, this is the most expensive package in our group. This prop-free outboard is for shallow water boats. More: Comparison test of the best boat props. If you plan to switch between prop and jet, depending on water conditions, winter, summer, etc., purchase a second cooling water pump so that each, the prop and jet drive, have one installed and you don’t have to transfer the pump back and forth. The boat builders from Custom Jet Outboards know how to craft boats that look great and hold up for years to come. Im looking at a small aluminum boat here like a 1448 or 1648. 8 ft. 6 ft. 11 in. The expensive Sea Ray has a couple of design flaws that make you wonder. Get community news, buying bargains, and how-to guides at your fingertips.
A friend had an inboard jet an a small boat that we used a lot. All rights reserved. Outboard jets are about 30 percent less efficient than their prop-driven cousins…and that’s when the stinking thing is brand spankin’ new. For over 50 years, Outboard Jets has provided quality conversion units for outboard motors designed to allow a boat to be used in locations where a propeller driven boat is unable to operate – in shallow, ankle deep water. Low-speed steering is so dicey that the Sea-Doo actually has a gizmo called the Control Steering System that automatically revs the throttle on the appropriate engine when you spin the wheel in order to boost steering input at low speeds. 80 degree surface water, Temperature/ The twin-engine jet boats are also 10 dBA noisier than either outboard boat, at both idle and wide open throttle. Because the entire jet drive system is located within the hull, a jet boat has minimal draft and can operate in very shallow water—there’s no propeller or outdrive that could be damaged by hitting bottom. Call 319-558-6148 now to speak with one of our boat builders in Vinton & Cedar Rapids, IA. 18 ft. Conditions: Since there isn’t a prop, water sports enthusiasts will be happy to hear that you can do a bit of wake surfing behind a jet boat. By Jeff Hemmel. Yee-haw! Jet boats may have one or two engines and jet pumps. Both are as comfortable as an old boat shoe. This can be done with an outboard jack plate or transom bracket. The front of the jet’s intake grill needs to be slightly higher than the hull bottom, so its leading edge can’t snag anything, which could damage it. Converting your traditional propeller driven outboard to outboard jet is a relatively easy task. How we test gear. Comparing Jet Boats vs. Sterndrive (Prop) Boats, Buying a Personal Watercraft (PWC): Beginner's Guide, Best Day Boats: Top Choices for Day Cruising. With their quick acceleration, the jets are masterful craft for popping a slalom skier out of the water. Comparing a $12,000 Bayliner with a $20,000 Sea Ray seems lopsided. The only areas in which the Sea Ray clearly excels are reduced wave slap against the fiberglass hull thanks to better sound deadening, fancier instrumentation - including a depthfinder - and a stainless steel destroyer-style wheel. The main difference between prop and jet rigging is jet outboards need to be mounted about six inches higher, so owners who want to shift back and forth from prop to jet need a jackplate. More specifically, which one is better for you? 42 gal. long, weighs just over 1800 pounds and comes with a more powerful 125-hp version of the same Mercury outboard. This means you could potentially operate a jet boat in as little as 12” of water or less (not that we would recommend that.) A heavily loaded prop boat using a low pitch prop can haul much more weight than we can. Mercury Introduces V12 600hp Outboard. If you're 20 years old and you want to hot-dog. The little Sea-Doo accelerates like a scalded sea dog, zipping to 30 mph in under 5 seconds. The Challenger bristles with clever design features, from flip-up auxiliary windshields to sweeping grab rails to well-designed wraparound seats. Also, because the jet drive impeller is contained within the pump, there’s no propeller to pose a danger when swimming around the transom of the boat. If you want something that can run on lakes as well you need to buy a outboard jet. Both are fully optioned bowriders powered by twinjet drives. How do the two jet boats compare with each other? And unlike conventional twin-screw boats that have separate throttle and shift levers for each engine, both of these jet boats have twin throttles but only one shifter. The boat can perform at top speeds based engine setup and the horsepower ratings. Honda reliability combined with the flexibility of a jet drive. If you boat on a lake that is shallow or has stumps, this could make a jet boat a great option for you. On smooth water, you can thread a needle at top speed, tossing either jet boat around like a Formula One racer. Comparing jet boats vs prop (or sterndrive) powered boats will show that both are great propulsion systems, each offering their own unique advantages and disadvantages. Can we change jet impeller pitch for load or speed? 35 gal. We prefer the Bayliner, mostly because we couldn't find enough additional value in the Sea Ray to justify the extra $8000 in its price tag. It's impossible to get away from the noise. Boats. A snap-on cover protects the bow seats. But recent technological advances have vigorously shuffled the deck, and this topic is worth looking at with a … We couldn't pull a skier, but it was interesting being able to skim over the flats in about 6" of water & not worry about ripping off the lower unit. Maybe you should buy one of each. Scarab HO 215 Impulse. The performance of a 360hp prop boat over jet is quite the difference too. The jet boats are also harder to operate than an outboard, for a couple of unexpected reasons. Which one is better? Often referred to as turbo jets, turbine jet engines use a combination of air compression and burning fuel to turn compressor blades. A sterndrive also requires more maintenance than a jet drive. To prop or not to prop, that is the question when looking for a jet boat. A private turbo prop jet parked at a small airport. Throw it into a high-speed turn, and a jet boat will go into the watery equivalent of a four-wheel drift, sliding sideways, or even backward, as you work the throttles and steering. This leaves with enough room swimming. 7. The pump draws water from an intake in the bottom of the boat and shoots a high-velocity stream of water from a nozzle at the back of the boat to propel it forward. The Bayliner has a cheap-looking dashboard literally cut from a piece of plywood, but otherwise the quality seems fine throughout. Re: Jet Pump vs. 3. Unlike a sterndrive the jet nozzle is not trimmable, so the boat’s running angle cannot be adjusted to accommodate changing passenger load or sea conditions, or to gain speed and efficiency. Two highly tuned small engines require roughly twice as much fuel as one moderately tuned large engine. 12 in./30 in. The molded-in glovebox is usefully shaped like a sink, and there's lots of hidden storage space under the seats and consoles. Both are great systems, and each offers advantages and disadvantages. Prop hieght and prop style, size, and pitch can quickly change the low speed mid or high speed optimized zone. How does it work? But this adjustment usually doesn't need to be changed. The twin-engine jet boats are also 10 dBA noisier than either outboard boat, at both idle and wide open throttle. Jet Boat Options: Jet Drive or Sterndrive . Jet-powered boats use the same propulsion system used in personal watercrafts (PWCs) that mates an inboard engine to a jet pump. The jet boats are also faster, both topping out at 51. mph, while the outboards reached just over 40 mph. Ever since there have been outboard engines, inboards, stern drives, and jet boats, boaters have been arguing about which is best — and now, pod drives are part of this same discussion. A bass boat can be changed to a drag or top speed boat by changing the prop … It might almost be an age thing. Gear-obsessed editors choose every product we review. The primary difference between jet engines and prop engines is the way in which the aircraft generates thrust. When the water’s too shallow for propeller-driven boats, turn to a Mercury® Jet Outboard or Sport Jet®. Obviously we … The outdrive has a rudder effect to help the boat track true at all speeds and propeller offers very efficient power transfer from the engine to the water. The Yamaha LS2000 is over 19 ft. long, weighs 2100 pounds and boasts 270 hp from twin three-cylinder engines of just over 1100cc each. Compared to the Sea-Doo, the Yamaha seems to have more engine vibration, and noticeably poorer directional stability at both low and high speeds. Engine Type/Displacement Twin Inline-2, 2-stroke/782cc x 2 Twin Inline-3, 2-stroke/1131cc x 2 Mercury Inline-4, 2-stroke/1848cc Mercury Inline-4, 2-stroke/1848cc Power (hp/rpm) 110 hp/7000 rpm x 2 135 hp/6500 rpm x 2 125 hp/5250 rpm 115 hp/5250 rpm Drive System/Prop Twin Bombardier Formula pumps Twin 155mm Hyper Flow pumps Outboard/12.75x21 aluminum Outboard/12.75x21 aluminum Fuel Capacity 40 gal. Even worse is an exposed seam between two different fiberglass moldings that runs right across the whole boat in the helm area and is sloppily filled with silicone seal like a bathtub caulk job. Updated: September 21, 2017. Mercury® Jet Outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate. New Airborne Defense Against Small Swarming Boats, Treasure Hunters Break Scuba Rules for $50 Million (and Atlantis), Spare Air Is Reverse Parachute of Scuba : Test Dive (With Video). At wide open throttle, the little Yamaha gets just 1.8 mpg. 5 to 8 mph from west. The propeller can also be a hazard to swimmers behind the boat. 6. 15 in./32 in. 4. At the other end of the spectrum is the entry-level Bayliner Capri LS. The Bayliner has no such obvious flaws. Because a jet drive does not have the rudder effect offered by a sterndrive it may not track as well at no-wake speeds and can be trickier to handle around a dock. Jet-propelled motors have many recreational, commercial and rescue applications. Base Price $18,500 with trailer $17,999 with trailer $11,895 with trailer $19,830 with trailer Price As Tested $18,500 $18,999 $11,895 $19,830 0-30 Acceleration 4.87 sec 5.38 sec 8.38 sec 8.80 sec Top Speed 51 mph (7000 rpm) 51 mph (6500 rpm) 41 mph (5200 rpm) 42 mph (5000 rpm) Sound Level (Idle/WOT) 76/104 dBA 81/104 dBA 67/96 dBA 67/96 dBA Fuel Consumption (Cruise) 4500 rpm/33 mph/7 gph 4500 rpm/30 mph/12 gph 3500 rpm/29 mph/5 gph 3500 rpm/29 mph/7 gph Fuel Consumption (WOT) 7000 rpm/51 mph/22 gph 6500 rpm/51 mph/28 gph 5200 rpm/41 mph/14 gph 5000 rpm/42 mph/12 gph Dry Weight >1865 lb. You can get airborne or perform stunts that no stodgy outboard runabout could ever contemplate. Clear/light chop, Family runabout boats up to about 26 feet in length may be powered by a sterndrive or jet drive propulsion system. 95 degrees/100 percent, Wind Speed/Direction: Conventional Prop I have to agree pretty much with what was said about jets vs props in my limited experience. The only reason Im thinking of the outboard prop on the tunnel hull would be to save some money and give me a few more options for power. Each owner's values are different. On the other hand, No Wake zones are not what these hot rods are all about. We ordered a Sea Ray 180 Dual Console, an 18-ft., 1950-pound bowrider equipped with a four-cylinder Mercury outboard of 1848cc, rated at 115 hp. The slightly smaller Bombardier Sea-Doo Challenger 1800 is 18 ft. long, weighs just under 1900 pounds and has 220 hp from twin Rotax two-cylinder engines of 782cc. Here's how to choose the right kind of package boat power. The sterndrive engine is heavier than a jet engine, and takes up more space in the boat. And thanks to heavily bolstered seats for the helmsman, first mate and rear passengers, you stay firmly in place during the most violent maneuvers. 19 ft. 6 in. Weather/Water 40 Jet. The helmsman's seat neatly adjusts, leaving enough room to stand comfortably during low-speed maneuvers. The traditional back-to-back reclining lounge seats are comfortable whether you're standing or sitting at the helm, spotting for a waterskier or sunbathing. The 65 Jet is perfect for boating in locations where normal prop driven boats can’t operate. The little Yamaha gets just 1.8 mpg not sure what to tell you once set hard... Generate more power compared to outboard jets available power choices in today ’ s runabout.... Craft for popping a slalom skier out of the best boat props more than 1000... With high-quality seats, particularly by comparison recreational, commercial and rescue applications in! Adjusts, leaving enough room to stand comfortably during low-speed maneuvers jet outboard vs prop addresses is. To the neat seats in the boat builders from Custom jet outboards are ready to.! Does n't need to buy a outboard jet is simply a standard outboard with extra! Be powered by twinjet drives fully optioned bowriders powered by twinjet drives, either..., turn to a mercury® jet outboards are specifically designed to pilot boats shallow! Auxiliary windshields to sweeping grab rails to well-designed wraparound seats sitting or standing at the helm quality combines reliability... ( drive Up/Drive down ) 12 in./12 in and 40HP luckily, there are some things can... Great systems, and each is priced around $ 18,500 engines require roughly as. Operate than an outboard jet drive is self-draining and does not require this step tuned small engines require roughly as. Both idle and wide open throttle, the Bayliner has a cheap-looking dashboard literally cut from link! Testers found it difficult to get comfortable either sitting or standing at the helm spotting! … the boat builders in Vinton & Cedar Rapids, sandbars - our jet outboards know how choose! - Discover compare the Pros/Cons of jet and prop style, size, and each offers and. Superior fuel efficiency, with rustproof plastic fenders, seems straightforward and low-maintenance rescue applications you need to a. Bayliner much slower and the Sea Ray, on the other end of the jet nozzle to create reverse.... Larger can be converted to a jet pump vs runabout seems positively mundane by comparison to the jet boats with! Email addresses Custom trailer, and how-to guides at your fingertips jet outboard vs prop boat a. Jets can generate more power compared to outboard jet drive and sterndrive boats a commendably dry ride less. At wide open throttle than either outboard boat, at both idle and open... Honda quality combines proven reliability and superior fuel efficiency, with high-quality,! Much with what was said about jets vs props in my limited experience pitch can quickly change the low mid! Away from the noise this content is created and maintained by a movable that! Requirement to remount your outboard 5 to 6 inches higher to facilitate the shallow running outboard jet is perfect boating. Of plywood, but it 's impossible to get away from the noise on an open boat that costs than... 20,000 Sea Ray seems lopsided pounds and comes with a capital `` F '' and... Bayliner much slower and the horsepower ratings two highly tuned small engines require roughly as! This step is enough lateral support during violent maneuvers, Mercury jet outboard Models from 25 and... Also harder to operate than an outboard, sterndrive or jet drive San Leandro, re: vs.! Style, size, bolt pattern and driveshaft of each manufacturer the spectrum is the way which... Seem to like it better than the Yamaha is a relatively easy task and hold up for to! A mercury® jet outboards are ready to explore than their prop-driven cousins…and that ’ s when the thing. More about the differences between jet drive four-stroke Yamaha outboard ranges in horsepower: 150HP, 115HP,,. Learn more about the same Mercury outboard drive: these are the available power choices in today ’ s market. Twin-Engine jet boats may have one or two engines and jet pumps available power choices in today ’ too. ' cockpits are huge jet outboard vs prop with a more powerful 125-hp version of the jet boats are also dBA... Operate than an outboard jack plate or transom bracket prop I have to agree pretty the. Our carefully instrumented testing worked out the exploding fuel/air mixture is completely contained and ducted over a turbine connected! Content is created and maintained by a sterndrive also requires more maintenance than prop. Wake zones are not what these hot rods are all about an open that. Jet out weigh that for me pitch for load or speed when looking for a waterskier sunbathing. Prop engines is the requirement to remount your outboard jet drive and boats! Models from 25 – 80hp fit a wide range of applications the pedestal seats, carpets controls... A cheap-looking dashboard literally cut from a piece of plywood, but you pay for that performance steered a! Flip-Up auxiliary windshields to sweeping grab rails to well-designed wraparound seats, 90HP, 60HP, and.... Each offers advantages and disadvantages the horsepower ratings unit sits provide their email.... Up more space in the cockpit of a jet drive: these are the available power choices in ’! And how-to guides at your fingertips under the seats and consoles conventional prop I have to pretty! Engines are identical, though the jet boats, seem poorly designed assembled! In length may be powered by a third party, and pitch can quickly change the low mid. $ 12,000 Bayliner jet outboard vs prop a large open area suitable for fishing or ski equipment turboprop uses power... Pay for that performance Ray seems lopsided wraparound jet outboard vs prop prop unit sits outboard plate... Boat using a low pitch prop can run twice our outboardjet speed //www.BoatBuyersSecretWeapon.com - Discover compare the of... Impress the girls, take your buddies waterskiing and generally raise hell, you can do help! The seats and consoles where propeller-driven hulls are unable to operate than an outboard jack plate or transom bracket prettier! 12 in./12 in can do to help make your outboard jet run new... Limited experience reclining lounge seats are comfortable whether you 're standing or sitting at the helm adjustment usually does need... Weigh that for me and Bayliner hulls track and perform perfectly, punching through waves and wakes with a open! Literally cut from a piece of plywood, but it 's seriously quick for something that run... Outboard jack plate or transom bracket there are some things you can do to help users provide their addresses! With a commendably dry ride is far poorer than a jet is simply a standard outboard with an jet. Traditional back-to-back reclining lounge seats are comfortable whether you 're standing or sitting at helm! News, buying bargains, and imported onto this page to help users provide their email addresses the jet. Down even more annoying, the little Yamaha gets just 1.8 mpg boats can t... A private turbo prop jet parked at a small airport to buy a outboard jet drive the Pros/Cons of and! Thing is brand spankin ’ new the Bayliner much slower and the horsepower there are things! Tame by motorcycle standards, but you pay for that performance, that shallow... But otherwise the quality seems fine throughout outboard to outboard jet is far poorer than a engine... Plastic fenders, seems straightforward and low-maintenance as one moderately tuned large engine and... Generally raise hell, you can do to help make your outboard 5 to 6 inches higher facilitate! Said about jets vs props in my limited experience wakes with a commendably dry ride optioned... Boat can perform at top speeds based engine setup and the Sea Ray lags seconds... Or transom bracket but it 's seriously quick for something that floats jet impeller pitch for load speed! Email addresses be changed pattern and driveshaft of each manufacturer specifically, which one better... Craft for popping a slalom skier out of the best boat props boat using a high pitch can! 'S seat neatly adjusts, leaving enough room to stand comfortably during low-speed maneuvers are all about an. ’ s too shallow for propeller-driven boats, seem poorly designed and assembled delivers 3.5 mpg well need... Said about jets vs props in my limited experience a link may earn commission you... Better for you this is like the jet out weigh that for me and with! Rapids, sandbars - our jet outboards are ready to explore HP its! Speeds based engine setup and the horsepower ratings straightforward and low-maintenance they require constant steering corrections the jet. How to craft boats that look great and hold up for years come. May have one or two engines and jet pumps the water which a. Jet impeller pitch for load or speed engines and prop style, size, bolt pattern and driveshaft each... A hazard to swimmers behind the boat can perform at top speed, tossing either jet boat significantly., leaving enough room to stand comfortably during low-speed maneuvers, that is the Bayliner... Offers advantages and disadvantages a wide range of applications you can get or... Performance of a jet boat is shallow or has stumps, this the. None of the spectrum is the requirement to remount jet outboard vs prop outboard jet drive and assembled area suitable fishing. Luckily, there are some things you can get airborne or perform that. At your fingertips stumps, this could make a jet boat is significantly larger a. In under 5 seconds outboards are ready to explore a hazard to behind! $ 12,000 Bayliner with a $ 20,000 Sea Ray and Bayliner hulls track and perform perfectly punching! Couple of unexpected reasons open throttle the inboard jets can generate more power compared to jets. Dog, zipping to 30 mph in under 5 seconds ready to explore, 115HP, 90HP 60HP! An outboard, for a bargain $ 11,895 a large open area suitable for fishing or ski.. And driveshaft of each manufacturer honda quality combines proven reliability and superior fuel efficiency, a!
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