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17 September 2011, 10:59
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#1
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Member
Country: UK - Scotland
Town: Stornoway
Make: Scorpion 8.1 mk2
Length: 8m +
Engine: Yamaha F300
Join Date: Aug 2006
Posts: 204
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All New 150hp Four Stroke from MERCURY
Just came accross this, New 150hp 4 stroke from Mercury, its a naturally aspirated (no super charger) 4 cyl in-line with a displacement of 3.0 litres, the largest in its class, produces 164.9hp it has a single over head cam with just 2 large valves per cylinder to save on weight. It has an timing chain that needs no maintenance and weighs in at only 205kgs. Its conventional control cables to keep costs down. Saw these early pre-order prices in america, which look promising
150L EFI 4S MERCURY$9,700
150XL EFI 4S MERCURY$9,750
150CXL EFI 4S MERCURY$10,125
Looks like it would have the potential to be tweaked to 200hp in the future, which would be lighter than any 200hp outboard in a long time!  Heres the links i saw
Heres a link to a magazine article on the new engine---
New Mercury 150 FourStroke Outboard Debuts - features.boats.com
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17 September 2011, 13:03
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#2
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Member
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,409
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Yeap, Its was called Project Bedrock, was looking at this a few years ago with the Engineers from the states. It going to fill a hole for people who want a less complicated engine than the Verado. There will be more engines in the line up... Watch this space!
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17 September 2011, 13:14
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#3
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Member
Country: UK - Channel Islands
Town: Alderney
Length: no boat
Join Date: Sep 2006
Posts: 3,047
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Simple, easy to keep and lightweight, frugal too I bet. 
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17 September 2011, 13:33
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#4
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Member
Country: UK - England
Town: New Milton
Boat name: Jianna
Make: Osprey
Length: 6m +
Engine: 200 E-TEC
MMSI: 235076954
Join Date: Sep 2004
Posts: 1,940
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Quote:
Originally Posted by Robbie Diesel
weighs in at only 205kgs.....Looks like it would have the potential to be tweaked to 200hp in the future, which would be lighter than any 200hp outboard in a long time
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Nice try, but the E-tec is still lighter 
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Ian
Dust creation specialist
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17 September 2011, 14:35
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#5
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Member
Country: Greece
Town: HERACLION
Make: MY ONE
Length: 9m +
Engine: 2*350
Join Date: Sep 2011
Posts: 220
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Can someone answer me what speed PISTON revs per seconds
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17 September 2011, 20:23
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#6
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Member
Country: UK - Scotland
Town: Stornoway
Make: Scorpion 8.1 mk2
Length: 8m +
Engine: Yamaha F300
Join Date: Aug 2006
Posts: 204
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Quote:
Originally Posted by Ian M
Nice try, but the E-tec is still lighter |
Sorry, the lightest 4 Stroke in a long while! 
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18 September 2011, 21:34
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#7
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Not dissimilar to the Yam F150 & Soozook DF150 motors
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19 September 2011, 08:11
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#8
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Member
Country: Greece
Town: HERACLION
Make: MY ONE
Length: 9m +
Engine: 2*350
Join Date: Sep 2011
Posts: 220
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Knows someone tell us the specifications;
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19 September 2011, 08:33
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#9
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Member
Country: UK - England
Town: Sheepy Parva
Boat name: Sadly Sold
Length: no boat
Join Date: Sep 2008
Posts: 1,731
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Quote:
Originally Posted by m3mm0s rib
Knows someone tell us the specifications; what is piston speed?
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If the specs are out there, it's not obvious.
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19 September 2011, 14:08
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#10
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Member
Country: Greece
Town: HERACLION
Make: MY ONE
Length: 9m +
Engine: 2*350
Join Date: Sep 2011
Posts: 220
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Quote:
Originally Posted by Leapy
If the specs are out there, it's not obvious.
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PISTON speed = the rotational speed of the piston per second
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19 September 2011, 19:57
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#11
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Member
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
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Piston speed is the linear distance the piston travels within the bore of the cylinder per unit of time.
Usually expressed as a mean piston speed, as the piston goes from max velocity at the middle of the stroke to completely stopped at either extreme.
MPS = 2*(stroke length)*RPM/60
2 times stroke, as the piston cycles twice per crankshaft rpm. RPM/60 to convert minutes to seconds. Result will be in stroke measurement units per second.
jky
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03 October 2011, 12:13
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#12
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Member
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,409
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Uk Retail Prices for the new engine are as follows.
F150L £11,069.00
F150XL £11,159.00
On sale this month.
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03 October 2011, 13:20
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#13
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Member
Country: Other
Town: Rosas
Boat name: Conqueror
Make: Valiant
Length: 7m +
Engine: Outboard 150hp Merc
Join Date: Dec 2010
Posts: 549
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Look like good prices to me! 
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03 October 2011, 17:03
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#14
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Member
Country: UK - England
Town: Southampton
Boat name: Hissing Sid
Make: Ross Smith Cobra
Length: 6m +
Engine: 200HP Optimax
MMSI: 235038046
Join Date: Jun 2002
Posts: 3,804
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Quote:
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Originally Posted by Turbodiesel
Uk Retail Prices for the new engine are as follows.
F150L £11,069.00
F150XL £11,159.00
On sale this month.
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What's that? A couple of grand cheaper than a verado? Roughly.
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04 October 2011, 20:15
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#15
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Member
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,409
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Yeap, the Verado retail price is about £16,500.00. Although with the Verado you get the whole world with it. Including Hydraulic steering system and batteries etc.
Dont forget if you want to order one!!( Ha Ha ) Ribnet members get big discounts!!
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