In the 1980s Volvo Penta introduced the first gasoline V8 with duoprop. The video shows one boat equipped with single prop races against another with duoprop.
As old and dated as this is, it explained a lot. Learned a lot about my newly purchased bravo 3 out drive. Excited to hit the water this spring, and see how it performs.
They said a sterndrive not a torpedo. And they never claimed they were the first to have a dual prop. They only said that they were the first to add a dual prop onto a sterndrive system.
Have you used and compared the two? I can definitely tell a difference between the two. My friend and I had the same make and model of boat for a period. Both 26 foot sea ray bow riders. His had a bravo duoprop, and mine had an alpha one single prop. His handled better at slow speed, was faster, and used a considerably less amount of fuel. My next boat was a 28 foot Four winns with the bravo 3. I’m so glad I switched. It made my deck boat feel so effortless to maneuver. I think if you haven’t, try it. You’ll love it too I’m sure!
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As old and dated as this is, it explained a lot. Learned a lot about my newly purchased bravo 3 out drive. Excited to hit the water this spring, and see how it performs.
2023, changing my 290 SPs, for couple of 290 DP ratio 1.95, can't wait to try them !!
The most 80's video I've ever seen...
Very nice looking boats.
Looks great and same time I'm thinking how much gas these big boats use
How much does a steel shop building run
What boat model have they used on the video? Seemed agile. How many HP this engine had?
Sea-ray. Sundancers.
Video said both engines were 270 hp....
Any boat is far more agile than people realize. They drive them like they're driving a semi truck, not realizing how sharp these things can turn.
Liars.
First duoprop propulsion was made in Rijeka, Yugoslavia by Ivan Lupis, the inventor of torpedo.
They said a sterndrive not a torpedo. And they never claimed they were the first to have a dual prop. They only said that they were the first to add a dual prop onto a sterndrive system.
The other one might need different prop
Old news??
DP loses a few % in top speed that's all.
and costs a shit ton more and more compliated and you need two props that are crazy expensive.. its not just a little speed loss
And your single screw boat handles 1000x better at slow speed especially when backing down. Fuel economy is better too.
Have you used and compared the two? I can definitely tell a difference between the two. My friend and I had the same make and model of boat for a period. Both 26 foot sea ray bow riders. His had a bravo duoprop, and mine had an alpha one single prop. His handled better at slow speed, was faster, and used a considerably less amount of fuel. My next boat was a 28 foot Four winns with the bravo 3. I’m so glad I switched. It made my deck boat feel so effortless to maneuver. I think if you haven’t, try it. You’ll love it too I’m sure!
This is volvo penta my dude, not mercruiser.