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By Jim Russell, P. Eng, Aeromarine Research

I receive many questions about the cause and effects of "blowout". Here is an explanation of blowout and causes and cures.

Most all high-performance boaters have experienced the circumstance that restricts their maximum velocity to less than it could be, even though they’ve got the horsepower available to use. This phenomenon is commonly called "gearcase blowout” or "propeller blowout".

Blowout occurs when something causes air/water mixture in the region of the propeller to become sufficiently disturbed that the ...

We'll go back to the early 1970s, when things began to accelerate with the big-horsepower wars. The V4 OMC engines were approaching their maximum [consumer market] potential with the 135-horsepower V4 Starflite. Electronic-assisted ...

By eliminating difficult hull mountings, and mounting directly to the adjustable Livorsi Marine trim tabs, readings may now be acquired while traveling at speeds up to 30 MPH!

This system provides real-time moving sonar images; you can see fish swimming toward or away from the boat. Small bait fish and large target fish can also be seen; even your lure!
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This was a very memorable event to me. One of the very first large events I ever attended, and it was also the first time I ever went fast on a river, as opposed to the saltwater bay I grew up on. The Connecticut River Run was among the ...

OK, so everyone knows by now that I will be selling the new 22 Talons built from the original molds now owned by Screamin Eagle Boats. Todd just delivered the first one yesterday. I started laying out ...

Livorsi's new trim tabs are now available with a brilliant powder coat finish and private label options.

Tabs are built from CNC machined billet aluminum and are Mil-Spec hard coat anodized, topped with a powder coat finish and 5 anodes to prevent corrosion. Your company logo gets laser etched on the powder coat and anodized ...

FOND DU LAC, Wis. (July 23, 2015) – Mercury Marine this week demonstrated to the media its new Active Trim system, which automatically delivers instant, effortless trimming of boat engines.

Designed to suit entry-level and expert boaters alike, Active Trim simplifies boat operation, while improving engine performance and decreasing fuel ...

Livorsi GPS Speedometers are more accurate than ever with the new GPS antenna with a 10X update. What does this mean? It means your GPS Speedometer will show your true speed faster because the antenna updates 10 time per second. Pointer lag is eliminated and there is no calibration required.

Antenna Features:
+ Fast 10 Hz 10x update
+ 4 ft harness with ring terminals
+ NMEA 0183 compliant
+ No calibration required
+ For marine, ski boat and automotive applications
...

FOND DU LAC, Wis., May 19, 2015 – Mercury Racing® is well known for its line of high performance consumer and race outboards. For the United States government, the Fond du Lac, Wisconsin-based company released a second “stealth” outboard today that will be rarely seen: the OptiMax Diesel. Developed for the U.S. Department of Defense, this exclusive ...

Livorsi LED Position Indicators for: Tabs, Drives, Jack plates, Rudder, Fuel or Water Level

The LED position indicators eliminate the need for mechanical 33C cables which are typically used for drive and tab indication. These cables have a tendency to deteriorate, will fail over time, and are inaccurate due to lost cable motion. With the Livorsi LED indicators, mechanical cables ...

FOND DU LAC, Wis., Feb. 12, 2015 – Mercury Racing’s new 1550 dual calibration sterndrive features an advanced control system which enables the operator to switch engine power level via an electronic key fob. The Race key fob turns the engine into a pure bred race machine – pumping out ...

Mercury Marine is about to heat up the marine industry. On Feb. 12, in Miami, Mercury Marine President John Pfeifer will unveil multiple new engines.

Here is a closer look at what we have been planning.

If you are in Miami, the launch will take place at 10:30 a.m. EST at booth M96. For those not in Miami, Mercury will stream the engine launch on our website at MercuryMarine.com at 12 p.m. EST on Feb. 12.
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FOND DU LAC, WIS. (Dec. 23, 2014) – Randy Howell, the 2014 Bassmaster Classic champion, will defend his title as one of 34 Mercury Marine-sponsored anglers to qualify for the championship event, including Greg Hackney, the 2014 Bassmaster Angler of the Year.

Mercury ...

FOND DU LAC, Wis. (Nov. 11, 2014) – Mercury Marine honored both past and present military veterans with a celebration today at the company’s global headquarters in Fond du Lac.

A special message of thanks was played at 11 a.m. throughout the entire campus. Additionally, speakers such as Brunswick Corporation ...

Site will feature information in 13 languages

FOND DU LAC, Wis. (Aug. 6, 2014) – Mercury Marine, the world leader in commercial and recreational marine propulsion and technology, launched on Tuesday its new global website, www. mercurymarine.com, designed to enhance the consumer experience and provide ...

Mercury Racing Blog, by Rick Mackie

Congratulations to Mike Fiore, Brian Forehand, Joe Sgro and Dr. Michael Janssen in establishing all new Unlimited Vee Bottom and 525 EFI Super Vee Light kilo speed records. The American Power Boat Association sanctioned the special event records for Outerlimits Powerboats. I first learned ...

MIAMI (Feb. 13, 2014) – Mercury Marine introduced its new 200 Pro FourStroke outboard today at the Miami International Boat Show.

The engine – the third in the Pro FourStroke family – combines the incredible acceleration and top speed of other Mercury Pro series outboards, including ...

FOND DU LAC, Wis. – Addressing the related topics of increasing fuel costs and environmental stewardship, Mercury Marine is pleased to announce the new Enertia ECO propeller has been released for sale today to the Mercury Marine dealer network.

The Mercury Enertia ECO was specifically designed for high-horsepower ...

LED Position Indicators for: Tabs, Drives, Jackplates, Rudder, Fuel or Water Level

The Livorsi LED position indicators eliminate the need for mechanical 33C cables which are typically used for drive and tab indication. These cables have a tendency to deteriorate, will fail over time, and are inaccurate due to lost cable motion. With the Livorsi LED indicators, mechanical cables are replaced by ...