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27 June 2013, 23:39
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#1
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Member
Country: Australia
Town: Australia
Boat name: none
Make: JP Marine 3.8 Patrol
Length: 3m +
Engine: Tohatsu 18hp 2stroke
Join Date: May 2013
Posts: 69
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Wot
Can somebody please enlighten me. What does WOT refer to. I see it so often on this forum.
Thanks
Walter
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27 June 2013, 23:39
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#2
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,054
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Wide Open Throttle.
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27 June 2013, 23:41
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#3
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Member
Country: Australia
Town: Australia
Boat name: none
Make: JP Marine 3.8 Patrol
Length: 3m +
Engine: Tohatsu 18hp 2stroke
Join Date: May 2013
Posts: 69
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Thanks for that.
I am now enlightened.
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27 June 2013, 23:45
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#4
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RIBnet Supporter
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,684
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Me too. I had presumed it meant With Out Truth. As in "My searider does 50kts WOT"
There you go....
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28 June 2013, 01:44
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#5
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Member
Country: USA
Town: Pooler, Georgia
Boat name: not applicable
Make: Avon
Length: 3m +
Engine: Outboard
Join Date: Aug 2011
Posts: 156
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Well Willk, I always thought it was wide open throttle, but you do raise a good point. Many people claim top speeds which are hard to believe.
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28 June 2013, 08:33
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#6
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Member
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,304
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Quote:
Originally Posted by willk
Me too. I had presumed it meant With Out Truth. As in "My searider does 50kts WOT"
There you go....
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A clever Man learns by his mistakes..
A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"
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29 June 2013, 14:35
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#7
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Member
Country: UK - England
Town: NW Surrey
Boat name: Lady Helen
Make: Avon
Length: 3m +
Engine: Out Petrol 3.5 & 15
Join Date: Aug 2011
Posts: 222
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Is WOT still used for engines that don't have a carburetor as strictly speaking the throttle is the butterfly valve in the carb?
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29 June 2013, 15:23
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#8
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Member
Country: UK - England
Town: Southampton
Boat name: SMH Rib / War Shot
Make: Ribtec / Scorpion
Length: 4m +
Engine: 100hp Yam/150hp opt
Join Date: Sep 2003
Posts: 2,069
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All petrol engines will have a throttle.
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29 June 2013, 17:08
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#9
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,054
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And most fuel injection systems have a butterfly valve too.
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29 June 2013, 17:18
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#10
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Member
Country: UK - England
Town: LONDON
Make: SR4/ZODIAC/3D
Length: 4m +
Engine: 30T/40T
Join Date: Oct 2011
Posts: 1,433
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Quote:
Originally Posted by EnglishLes
Is WOT still used for engines that don't have a carburetor as strictly speaking the throttle is the butterfly valve in the carb?
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The valve controls the amount of throttle, if anything the butterfly only decreases the amount of air flowing through the throttle.
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29 June 2013, 17:23
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#11
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Member
Country: UK - England
Town: yorkshire
Boat name: little vicky
Make: avon ex RNLI
Length: 3m +
Engine: tohatsu
Join Date: Mar 2008
Posts: 2,310
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It's called a throttle because the butterfly valve / flap throttles or strangles the air flow ; )
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29 June 2013, 19:46
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#12
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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 Nos4r2
And most fuel injection systems have a butterfly valve too.
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All except BMW AFAIK. They control inlet valve lift electro-mechanically to throttle airflow
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29 June 2013, 20:41
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#13
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Member
Country: UK - England
Town: LONDON
Make: SR4/ZODIAC/3D
Length: 4m +
Engine: 30T/40T
Join Date: Oct 2011
Posts: 1,433
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And also, most small 2 stroke outboards control the first half of power curve using timing.
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