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Old 05 December 2013, 05:29   #41
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well if its rib, then it counts ??
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Old 05 December 2013, 13:45   #42
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Looks like a RIB to me
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Old 08 December 2013, 07:38   #43
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Ceasar thunderbolt, 5.3m long with a 90hp will do 60 knots
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Old 10 December 2013, 16:06   #44
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That's how much boat is in the water at 100mph!
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Old 11 December 2013, 12:33   #45
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Quote:
Originally Posted by Roflhat View Post
Ceasar thunderbolt, 5.3m long with a 90hp will do 60 knots
No it wont, more like 40 on a good day
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Old 12 December 2013, 08:47   #46
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Originally Posted by Trailer Bloke View Post
No it wont, more like 40 on a good day
My thundercat does 50 knots. It all depends on propeller selection. Thunderbolt with a proper stainless cleaver will easily do 60 knots
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Old 19 December 2013, 11:59   #47
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wouldnt try anything bigger than this on a 5.3 destroyer,always a fine line betwen chine walking when trying for outright speed.

42 knots, standard propellor in between shields harbour
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Old 19 December 2013, 14:26   #48
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Ah from the north montu!!!! Nice rib mate
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Old 20 December 2013, 23:36   #49
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My 6.5 Airib does 42 but runs out of revs on the current prop before it runs out of power. Drops to 38 with 7 divers on board. New prop in January should see her close to 50... F250D Yamy on the back....
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Old 22 December 2013, 04:25   #50
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It would be good if we could have engine lift on a rib as we could run a higher pitch prop. On the race boats we run we generally only have the gearbox centreline a few millimetres below the bottom of the boat. We have to run water pick up pipes. It kills acceleration but we can run much bigger props, with less resistance from the top half of the prop it gives the back end lift and gets the boat "flying". Looks like I'll have to get a 5m rib as it seems a challenge has been set as to who can go the quickest.
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