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09 June 2011, 12:53
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#1
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Member
Country: UK - England
Town: norfolk
Length: 3m +
Join Date: Jun 2011
Posts: 3
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Petrol or electric outboard
Hi
Im getting my first SIB and im not sure about the engine petrol or electric. I will be using it for saltwater fly fishing, around creeks, tidal rivers, habours and hugging the coast line. Is there any table to compare the ouput of both engines. I know that electrics use thrust and petrol engine are measured in hp, but does a 30 lb thrust equal a 4 hp petrol? I dont know im hoping you might.
Roger
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09 June 2011, 13:04
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#2
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Member
Country: UK - England
Town: midlands
Boat name: robeena
Make: honwave
Length: 4m +
Engine: twatsu 40
Join Date: May 2011
Posts: 186
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IMO , humbly,, you would be better off with petrol OB otherwise you have to worry about batteries charged ,extra weight involved bla,bla,bla i personall wouldnt want to rely on an electric ob except as an auxiliery motor .  Petrol OBs are more fun too
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09 June 2011, 13:46
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#3
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Member
Country: UK - England
Town: Truro-Cornwall & Angola
Boat name: Bananas in Blue
Make: Humber Destroyer 5.5
Length: 5m +
Engine: E-Tec 115
Join Date: Jun 2007
Posts: 285
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IMHO as soon as you mention "tidal rivers, habours and hugging the coast line" electric really isn't an option. Maybe on small lakes and canals/rivers or as a trolling motor but not in the sea as your main source of propulsion.
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09 June 2011, 14:12
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#4
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RIBnet admin team
Country: UK - England
Town: Swindon
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
MMSI: 239050687/235055163
Join Date: Jul 2005
Posts: 8,881
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Quote:
Originally Posted by roger352
does a 30 lb thrust equal a 4 hp petrol? I dont know im hoping you might.
Roger
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Nowhere near. Petrol every time,unless you want to fork out quite a lot of money for a Torqueedo.
It's far easier to carry a spare sealed can of petrol than a spare battery in an inflatable and I guarantee it'll be less uncomfortable refilling an integral tank on a petrol outboard than it will be messing around changing batteries with wet salty hands.
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09 June 2011, 14:44
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#5
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Member
Country: Other
Town: Madrid-Almeria
Boat name: SEPIA
Make: honwave
Length: 3m +
Engine: Honda BF20
Join Date: Feb 2010
Posts: 110
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I believe electric engines are used by fishermen on lakes, just to get to their final fishing point as noiselessly as possible, from a close distance point. Thus, many people has 90HP petrol engines plus a bow mounted electric one.
But they do not use it to get to the finish point from the starting point, by using the electric engine all the way.
You can get the same with a SIB by using your rows.
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09 June 2011, 16:24
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#6
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Member
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 3,979
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I see small hard boats and cheesy little pool-type inflatables running on trolling motors in Monterey quite a bit. Way too often they are the ones paddling or being towed back to shore.
OTOH, I've also seen several kayaks with trolling motors, which seem to work pretty well. Go figure.
I'd go for internal combustion, especially if you're going where surf, wind, and tidal currents may be an issue.
jky
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10 June 2011, 17:33
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#7
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Member
Country: UK - England
Town: Hazlemere
Boat name: FEEFO
Make: Bombard Aerotec 380
Length: 3m +
Engine: Outboard Mariner 25
Join Date: Aug 2010
Posts: 47
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I took an small sib and electric motor (+2 batteries) to Lake Annecy last year and it was a disaster.
The slightest under current and it couldn't make any headway at all
Petrol every time
__________________
Member of Bombard 380 Aerotec club
Mariner 25hp
Bloody expensive wheels!
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10 June 2011, 17:40
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#8
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Member
Country: UK - Wales
Town: Ebbw Vale, Gwent
Boat name: Seabay
Make: Avon, Bonwitco
Length: 3m +
Engine: 4,25,35 Johnsons
Join Date: Feb 2010
Posts: 129
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I used a 55lb electric on my avon sib on the canal, It worked fine, reasonale canal speed, 2hrs pottering per battery. Really wouldn't want to depend on it with waves or currents.
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10 June 2011, 23:02
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#9
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Administrator
Country: UK - England
Town: Brighton
Make: Bombard Aerotec 380
Length: 3m +
Engine: Yamaha 15hp 2-stroke
Join Date: May 2000
Posts: 5,227
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Quote:
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Originally Posted by Nos4r2
Nowhere near. Petrol every time,unless you want to fork out quite a lot of money for a Torqueedo.
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And to be honest they're pretty disappointing too. I bought a top of the range Torqeedo last year, used it once then put it up for sale.
They're OK if you need an electric outboard, and certainly way ahead of the competition, but can't touch a proper outboard.
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14 June 2011, 07:22
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#10
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Member
Country: Canada
Town: Winnipeg
Make: Gemini Dive 470
Length: 4m +
Engine: 40hp Yamaha 2 str
Join Date: Oct 2003
Posts: 1,901
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Quote:
Originally Posted by John Kennett
And to be honest they're pretty disappointing too. I bought a top of the range Torqeedo last year, used it once then put it up for sale.
They're OK if you need an electric outboard, and certainly way ahead of the competition, but can't touch a proper outboard.
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That is good info. Would you consider it be worthwhile to bring a folded-in-bag Torqueedo along in the SIB as emergency propulsion in the case that the main outboard becomes inoperable? Would it have enough propulsion to get a SIB back to shore against a current from a mile or so out?
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