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Old 01 November 2007, 11:45   #11
exspyrd trayd membir
The Garfish's Avatar
Country: Ireland
Town: inn wiliks hed
Make: Redbay 6.5
Length: 6m +
Engine: Twin Etec 90hp
Join Date: Aug 2003
Posts: 962
Originally Posted by truble View Post
did see 103kph on sounder,
sownder????? dat woz de depf ov worter yew nobbur

Originally Posted by truble View Post
saw 61.7 knots
Originally Posted by truble View Post
now am seeing 65knots
av anuvver tinn ov xxxxx an yewl be up to 67 notts

luk arfter numbir wan, downt stepp inn numbir too
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Old 01 November 2007, 11:54   #12
Country: UK - England
Town: Over here
Boat name: S.S. Nobstick
Make: Three Wise Monkeys
Length: 3m +
Engine: 44lbs of thrust....
Join Date: Nov 2003
Posts: 2,115
Originally Posted by Chris View Post
65 Knots in an Avon Searider sounds like you may need to check your medication...?



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Old 01 November 2007, 12:35   #13
Country: UK - England
Town: poole
Make: ring
Length: 5m +
Engine: 150xr2
Join Date: Mar 2006
Posts: 180
For those of you that wonder how do you get is what's needed to do 65knts with around 6ohp.......we used to build inshore circuit cats for a particular race series in the early 90,s as you can imagine these were very light, and designed by a famous inshore cat guy to fit into this framework, they had a very special 63hp OMC outboard engine with F1 style gear case on 1:1 with a mini F1 propeller at Windamere it achieved 63knts perhaps a bit more to come if more development work had taken what chance a Searider
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Old 01 November 2007, 20:11   #14
Country: Australia
Town: old bar
Boat name: efo
Make: avon
Length: 4m +
Engine: yam60hp 2stroke
Join Date: Oct 2007
Posts: 23
very interesting

hey ppl ,,i havent had a chance to take the boat out again this week,,but on those runs i posted i was using a humingbird sounder with >>speed,,and it was showing 120kph at best but 110 seemed easy ,,,then on the 2nd time out i took my garmin gps72 and it was showing 65kn,,at best,,am going for a drive in car soon so will take garmin and check against car speedo,,and next time out in boat will take the navman outa car as well,,,and i agree the speed is really hi for this boat felt about 100ks ,,,but did see hi numbers on gps and sounder,,so thats why i posted it to get feedback form those in the know about these boats,,last few days ive been cleaning up the runner plank as it had sum gouges and needed a re gel coat,,all nice n true flat as had a slight rounding at end of runner plank,,and does anyone know how to get sum more outa these 60yammys,,jetting,,exhaust,,etc,,thanks
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Old 01 November 2007, 20:23   #15
Country: UK - England
Town: Midlands
Make: Nautique
Length: 6m +
Engine: PCM 5.7l
Join Date: Oct 2003
Posts: 1,082
2.00:1 box(a guess)
19 inch prop
8% slip
5600rpm gives 40knots.

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