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Old 25 August 2008, 07:34   #1
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Country: Australia
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Vipermax down under

Delighted with the boat, especially in the rougher stuff - of which there are no pictures, however here are some recent shots from a cruise up the Yarra river. We took a group of 10 year olds for a birthday party upto the city, then up river where they were collected. Fabulous day. Evening trip down stream was spectacular as evening fell.
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Old 25 August 2008, 07:37   #2
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Evening on the Yarra

and back home - all at 5kn speed limit so very tranquil.
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Old 25 August 2008, 07:45   #3
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And a bit more speed

These shots are on Port Philip Bay.
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Old 25 August 2008, 08:28   #4
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Country: UK - Wales
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Nice!
What max speed do you get out of her?
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Old 25 August 2008, 08:55   #5
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Not quite as fast as I'd hoped.

Around 35 kn. In retrospect (and acknowledging the advice on the forum) a 150 hp would have given more hooning opportunities and I'd definitely go for a 150 if making the choice again. Having said that, the DF 140 is more than adequate in anything except a flat sea and cruises very comfortably in our local choppy seas.
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Old 25 August 2008, 09:04   #6
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They're not the fastest hull around, but I thought you would hit more than 35kt. What prop are you running and what max rpm are you hitting?
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Old 25 August 2008, 09:11   #7
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Yes I did too, the boat was much heavier than I'd expected. I'm using the standard suzi aluminum 21x14 inch. I've tried the 19 inch & this is better. Revs to 6100, just under the 6200 rpm max.

Talked with the suzuki dealers about a stainless 22 inch, but they don't think it will make much difference.

So unless the engine is not powering up correctly, I'm at a bit of a loss.
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Old 25 August 2008, 18:23   #8
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This thread may be of some use:

http://rib.net/forum/showthread.php?t=13500

It's a Ribcraft, but same size and same motor.
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Old 26 August 2008, 03:11   #9
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Country: UK - England
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Quote:
Originally Posted by Apherel View Post
Not quite as fast as I'd hoped.

Around 35 kn. In retrospect (and acknowledging the advice on the forum) a 150 hp would have given more hooning opportunities and I'd definitely go for a 150 if making the choice again. Having said that, the DF 140 is more than adequate in anything except a flat sea and cruises very comfortably in our local choppy seas.

Top Banana has a 5.8 Osprey with a 135 opti and gets 42-44 knots I think. Nice boat.
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Old 26 August 2008, 09:19   #10
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Country: UK - England
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Quote:
Originally Posted by Ian Sharlot View Post
Top Banana has a 5.8 Osprey with a 135 opti and gets 42-44 knots I think. Nice boat.
yes Ian thats correct, with 150ltrs, and four adults, with a frame and aux 6hp
42 knots, going 44 running lighter. I do remember your thread about which engine to go for, as said my last rib was a shakespear 6.2 with a 140 suzuki
and only managed 37 knotts whatever i did.And the shakespear was a lighter boat. So you may not be that far away from your top end. you could try lifting the engine up a hole, or join the optimax brigade
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