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22 August 2012, 19:21
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#1
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Member
Country: UK - Scotland
Town: thurso
Boat name: Rockhopper
Make: Honda
Length: 3m +
Engine: 20hp
Join Date: May 2010
Posts: 11
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Speed
Boat by hamper at Garmin Connect - Details
For anyone who might be interested in speed of SIB i had my cycling Garmin out with me the other day
Pritty calm sea no wind
just me in 3.8m Honwave air floor with 20hp honwave fourstroke, some fishing gear and anchor etc
Top speed 23 mph
nice cruising speed with 2/3 throttle around 17mph
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22 August 2012, 19:36
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#2
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Member
Country: UK - England
Town: Nuneaton
Boat name: ribbit
Make: ring
Length: 6m +
Engine: opti 150
Join Date: Oct 2011
Posts: 557
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i managed to clock 24.9mph with a garmin 2 up but had to slow down due to running out of water 3m 15 hp 
hoping to turn that dial this weekend 
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22 August 2012, 20:28
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#3
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Member
Country: USA
Town: NorCal
Boat name: SHARKY
Make: AB
Length: 4m +
Engine: Honda BF75 & BF5
Join Date: Dec 2009
Posts: 2,108
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Yesterday, we clocked 27.2 mph with two of us in the boat and the transom wheels sticking up in the air, plus it was rough water which helped.
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22 August 2012, 21:45
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#4
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Member
Country: Germany
Town: Nuremberg
Boat name: November
Make: Avon Searider 4M
Length: 4m +
Engine: Yam 55
MMSI: 211748930
Join Date: Aug 2012
Posts: 313
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I managed 29.3 mph with my SIB (200kg motor included), two persons and lots of camping gear.
Can't test out if it might go faster because the boat is dead now
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24 August 2012, 16:51
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#5
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Member
Country: UK - Scotland
Town: Kinross
Boat name: Spindrift
Make: Zodiac Futura FR Mk2
Length: 4m +
Engine: 20hp two stroke Yam
Join Date: Jul 2011
Posts: 57
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I've had 25kts on one occasion with only my son and I on board when he was wee, but generally the top my futura fr with a 20 yam will do is 23kts.
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25 August 2012, 16:38
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#6
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Member
Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider 450 Rib
Length: 4m +
Engine: Tohatsu 5/18/30 HP
Join Date: Sep 2007
Posts: 1,998
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Quote:
Originally Posted by Mextli
I managed 29.3 mph with my SIB (200kg motor included), two persons and lots of camping gear.
Can't test out if it might go faster because the boat is dead now
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Or it's 19.3 ? How was it tested ? How can a 25 HP go faster than a 40HP ?
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25 August 2012, 16:45
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#7
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Member
Country: Germany
Town: Nuremberg
Boat name: November
Make: Avon Searider 4M
Length: 4m +
Engine: Yam 55
MMSI: 211748930
Join Date: Aug 2012
Posts: 313
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It was 47 km/h =29.3 - I used GPS to measure the speed.
I didn't optimize the speed, i just took the figure as stated on the screen.
my motor is hanging quite high though...
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Cheers
Luke
Searider+Yamaha+Land Rover= :D :D
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25 August 2012, 18:54
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#8
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Member
Country: UK - England
Town: Stourbridge
Length: 3m +
Engine: Outboard
Join Date: Aug 2012
Posts: 31
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9.9HP on a 2.6m quicksilver, 20.73 using GPS app on phone.
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25 August 2012, 19:18
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#9
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Member
Country: UK - England
Town: Sussex
Boat name: Bombard
Make: Aerotec 380
Length: 3m +
Engine: Mercury Mariner 15hp
Join Date: Jul 2010
Posts: 3,499
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Me and small child + light load on 3.4m zodiac Fastroller with 9.8 Tohatsu maxed at 17.5 kts.
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25 August 2012, 19:51
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#10
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Me and an empty bladder on a Quicksilver 2.7m Airdeck with a Tohatsu 9.8hp 2 Stroke.
18kts and a bit. Not sure about the bit, was concentrating on holding on...
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25 August 2012, 20:43
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#11
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Member
Country: UK - Wales
Town: Wrexham
Length: 3m +
Join Date: Jul 2011
Posts: 100
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Me and small amount of gear, 3.3m air deck, 18hp 2stroke Tohatsu in flat conditions.. 22knots flat out.
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26 August 2012, 19:02
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#12
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Member
Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider 450 Rib
Length: 4m +
Engine: Tohatsu 5/18/30 HP
Join Date: Sep 2007
Posts: 1,998
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Me alone with small gear on a 4.20 mt rib, 2 strokes Tohatsu 18 HP in flat no wind conditions : 21.6 Knots
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26 August 2012, 20:10
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#13
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Member
Country: UK - England
Town: swanage
Make: Thundercat
Length: 4m +
Engine: Tohatsu 50
Join Date: Apr 2012
Posts: 972
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Thundercat, race tuned 50 tohatsu 2-stroke, 2 up....53mph....woooo i win!
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26 August 2012, 20:30
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#14
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Member
Country: UK - England
Town: Sussex
Boat name: Bombard
Make: Aerotec 380
Length: 3m +
Engine: Mercury Mariner 15hp
Join Date: Jul 2010
Posts: 3,499
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Quote:
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Originally Posted by lukewhiting
Thundercat, race tuned 50 tohatsu 2-stroke, 2 up....53mph....woooo i win!
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Thundercat = SIB? 
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26 August 2012, 20:33
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#15
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Member
Country: UK - England
Town: swanage
Make: Thundercat
Length: 4m +
Engine: Tohatsu 50
Join Date: Apr 2012
Posts: 972
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Quote:
Originally Posted by Max...
Thundercat = SIB? |
ahh there close enough! just think of it as more heavy duty! metal transom & fibergalss nose cone but they have 2 piece flooring that comes out & the can be deflated like a sib....just would take a little longer
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26 August 2012, 20:33
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#16
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,910
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Quote:
Originally Posted by Max...
Thundercat = SIB? |
Technically yes, but outside the Spirit of the thing certainly.
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26 August 2012, 20:42
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#17
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Member
Country: UK - England
Town: Leicestershire
Make: Ribcraft 4.8
Length: 4m +
Engine: Tohatsu 70 HP 2 st
Join Date: May 2009
Posts: 199
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Quote:
Originally Posted by lukewhiting
Thundercat, race tuned 50 tohatsu 2-stroke, 2 up....53mph....woooo i win!
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What size prop do you use and what rpm are you getting, i presume its a semi cleaver or something like that
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26 August 2012, 20:47
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#18
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Member
Country: UK - England
Town: swanage
Make: Thundercat
Length: 4m +
Engine: Tohatsu 50
Join Date: Apr 2012
Posts: 972
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its a semi cleaver that came with the boat, dont know much about the prop really. i had a rev counter wired in ages ago but the water finally got to it last year
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26 August 2012, 22:07
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#19
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Member
Country: Ireland
Town: Bangor
Boat name: Lencraft 4.8m
Make: Lencraft
Length: 4m +
Engine: DT55HP Suzuki
Join Date: Jul 2011
Posts: 469
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2 adults and 2 kids on a Tinker tramp + 3.3HP Evinrude = 3.5knots at half throttle and 4 knots flat out!
Spent the last half hour looking for a 15-25HP for my eventual 380 Aerotec purchase!
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26 August 2012, 22:27
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#20
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Member
Country: UK - England
Town: Dorset & Hants
Boat name: Streaker/Orange
Make: Avon/Ribcraft
Length: 4m +
Engine: 50Yam/25 Mariner
Join Date: Apr 2007
Posts: 5,551
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Quote:
Originally Posted by TomKat
Spent the last half hour looking for a 15-25HP for my eventual 380 Aerotec purchase!
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Get a 25 for it ..I got to 22knts 3 up ( 2 of us needing a diet) and 23L of petrol and bits and pieces and wheels....before deciding we really should hold on and stop looking at the GPS
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November
