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Old 13 August 2016, 16:43   #221
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Country: USA
Town: Birmingham
Boat name: AquaATV
Make: Zodiac 500 Pro Neo
Length: 5m +
Engine: Outboard Yamaha 70hp
Join Date: May 2016
Posts: 6
Gave it another run after some yamalube and the 100hr service and hit 41 with two adults, 5 year old and a fullly loaded 30 liter yeti.
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Old 23 August 2016, 10:50   #222
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Country: UK - England
Town: Darlington
Boat name: Duo-diver
Make: Avon SR5.4
Length: 5m +
Engine: Mariner 90hp
Join Date: Nov 2013
Posts: 44
RIBase
I feel awfully inadequate....37kn in a 5.4m sea-rider fitted with an old 90hp two smoke mariner...loaded with two guys and dive gear for 4 dives in total sooooo 120kg of associated crap.
That's with a 17 pitch prop, fitting a 19 pitch this weekend so watch this space, oh and a 'rolling sea' and 4200rpm
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Old 10 July 2017, 10:53   #223
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Country: UK - England
Town: penzance
Boat name: not named
Make: ski boat
Length: 5m +
Engine: 150 HPDI
Join Date: Sep 2013
Posts: 124
Quote:
Originally Posted by rnwright1969 View Post
I feel awfully inadequate....37kn in a 5.4m sea-rider fitted with an old 90hp two smoke mariner...
You need to learn to lie then. General slipway chat proves definitively that 70-90 Hp engines, mostly 20+ years old, are the fastest things on the water. Using a transit to tow typically makes them go at least 5-10 mph quicker too, for some as-yet unknown reason.
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Old 10 July 2017, 11:10   #224
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Country: UK - England
Town: penzance
Boat name: not named
Make: ski boat
Length: 5m +
Engine: 150 HPDI
Join Date: Sep 2013
Posts: 124
Quote:
Originally Posted by rnwright1969 View Post
I feel awfully inadequate....37kn in a 5.4m sea-rider fitted with an old 90hp two smoke mariner...
You need to learn to lie then. General slipway chat proves definitively that 70-90 Hp engines, mostly 20+ years old, are the fastest things on the water. Using a transit to tow typically makes them go at least 5-10 mph quicker too, for some as-yet unknown reason.
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Old 18 July 2017, 06:58   #225
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Country: USA
Town: Homestead
Boat name: Nautica
Make: Nautica
Length: 5m +
Engine: Outboard petrol
Join Date: Jan 2011
Posts: 24
Nuova Jolly 20 rib retube I did

Thought you guys might enjoy this rib retube of How It's properly done. It's a long video but it was worth it. This boat is not only beautiful it is the fastest rib I've driven to date.

https://youtu.be/2uJfr42fano
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Old 25 July 2017, 06:30   #226
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Country: UK - England
Town: Darlington
Boat name: Duo-diver
Make: Avon SR5.4
Length: 5m +
Engine: Mariner 90hp
Join Date: Nov 2013
Posts: 44
RIBase
Quote:
Originally Posted by simonl View Post
You need to learn to lie then. General slipway chat proves definitively that 70-90 Hp engines, mostly 20+ years old, are the fastest things on the water. Using a transit to tow typically makes them go at least 5-10 mph quicker too, for some as-yet unknown reason.
I already have the flat-bed tranny and am considering fitting a HIAB to try and get it up to the fabled fifty, what do you reckon?

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Old 25 July 2017, 08:27   #227
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Country: UK - England
Town: Bournemouth
Boat name: Seadrive
Make: Capelli Tempest 470
Length: 4m +
Engine: Suzuki DF70
MMSI: 235079113
Join Date: Jul 2008
Posts: 538
Quote:
Originally Posted by Leapy View Post
Wow! 48mph with only 70hp. Impressive
I'm finding that hard to believe
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Old 31 July 2017, 13:32   #228
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Country: UK - England
Town: Bournemouth
Boat name: pat
Make: Ribcraft 585
Length: 5m +
Engine: Mercury 150 optimax
Join Date: Jun 2010
Posts: 21
ribcraft 585

Quote:
Originally Posted by Burtox View Post
Ribcraft 585 with a four stroke Honda 90 will do 36MPH on the flat with a crew of 2.

This boat weighs more than a small planet. When I cut some holes in the console they were over 8mm thick. It is a nice solid boat and handles the sea better than me

what do you think I should get out Ribcraft 585 with a merc 150 optimax
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Old 31 July 2017, 13:38   #229
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Country: UK - England
Town: Bournemouth
Boat name: pat
Make: Ribcraft 585
Length: 5m +
Engine: Mercury 150 optimax
Join Date: Jun 2010
Posts: 21
What do you think I should get from a Ribcraft 585 with a merc 150hp Optimax
It would only pull 5000 revs on a 19inch prop
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Old 31 July 2017, 18:30   #230
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Country: Australia
Town: Dalmeny
Make: zodiac
Length: 5m +
Engine: outboard
Join Date: May 2015
Posts: 607
My daughter recently got sponsorship from a boatbuilding company that build high speed boats for competing spearfishing people who seem to have very deep pockets and an addiction to speed. The last comp she entered she got to us their latest Kevlar creation on its first open water trial, a light weight 20ft missile with the latest 350 supercharged verado.

For me this something I never want to do again, speeds of over 70 knots in sloppy conditions meant simply holding on as I watched our gear either fly overboard or end in broken pieces at the back of the boat. I'll be sticking with my little zodiac cruising around at 20knots, by the way my daughter loved the 70knt machine.
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