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Extreme RIB 4.99 SUZUKI DF140 – Performance & Consumption Test

A RIB in the category of the so-called Hyper5 meters, brand model EXTREME 4.99 with SUZUKI DF140 4-year Engine, of 2018.

  • 3200 rpm / 14.3 knots / 11.2 L/h = 0.783 L/nm
  • 3600 rpm / 20.1 knots / 12.7 L/h = 0.632 L/nm
  • 3800 rpm / 22.1 knots / 14.0 L/h = 0.633 L/nm
  • 4000 rpm / 24.1 knots / 15.4 L/h = 0.639 L/nm
  • 4200 rpm / 25.7 knots / 16.8 L/h = 0.654 L/nm
  • 4550 rpm / 28.7 knots / 19.8 L/h = 0.690 L/nm
  • 4800 rpm / 30.3 knots / 21.8 L/h = 0.720 L/nm
  • 5300 rpm / 34.4 knots / 32.1 L/h = 0.933 L/nm
  • 6200-6250 rpm / 40.3 knots / 47.3 L/h = 1.174 L/nm
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How to Maintain a RIB Top-Notch

RIBs ONLY - Home of the Rigid Inflatable Boat
Take your time to maintain your RIB. It’s worth it.

To keep a rigid inflatable boat (RIB) functioning and looking new for many years, you need to take proper care and maintenance. Perhaps you enjoy frequent RIB rides on saltwater.

With some extra care, you will maintain its performance and quality. How to maintain a RIB top-notch is not that difficult.

When you buy a RIB, part of the after-sale service should incorporate how to care for the boat and ways that can impact its longevity.

It is not a rigorous process that consumes hours of your time. On the contrary, it is about consistent maintenance.

In this article, I will cover 5 main tips to care for your RIB (Rigid Inflatable Boat).

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Hydrotab’s New Composite 300SR Trim Tabs

Getting on plane with the 300SR trim tabs activation. The RIB was standing on plane at slower speed, keeping its bow clearly lower without even increasing fuel consumption significantly.

Lowering the trim tabs by 50%, we measured 3 seconds less time of planning with the minimum raise of the bow on starting.

Then we focused on our recordings in low cruise speeds with which we will usually travel most hours of the day. Keeping the engine trim constant at 40%, we started experimenting with the position of the vertical 300SR trim tabs.

It was obvious that when the trim tabs were completely pulled up, the bow insisted on standing very high and in no case could we have a decent cruise in the area of 15 to 25 knots.

n contrast, by lowering the trim tabs by 50-70%, the behavior of the RIB changed completely. The bow was lowering considerably, the hull began to cut the water from its bow section and our cruising became softer while at the same time we ensured a very good cruising angle.

We were surprised when we found out that while traveling at 23 knots, our speed increased by 2 knots when we lowered the trim tabs by 50%, without even increasing fuel consumption, which leads to greater autonomy.

It was obvious that we have in our hands a great tool that will enable us to travel comfortably at low speeds, improving the fuel consumption and ride quality, elements that are extremely important especially in bad weather conditions.

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