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Old 12 June 2011, 07:32   #41
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Originally Posted by boilermaker1 View Post
Tornado 4.5, 42mph flay calm Yamaha 60hp 2 stroke..With 60hp 4 stroke 36mph
Interesting-how much weight difference is there between the motors you used?
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Old 12 June 2011, 07:35   #42
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What Prop

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Originally Posted by boilermaker1 View Post
Tornado 4.5, 42mph flay calm Yamaha 60hp 2 stroke..With 60hp 4 stroke 36mph

What size prop on the 60hp 2 stroke for 42 mph?


Cheers

Paul
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Old 12 June 2011, 09:39   #43
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Wow! 48mph with only 70hp. Impressive
Yeah just a bit, i get 36mph out of my mariner 75 running a 21"prop on my 6m.
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Old 12 June 2011, 12:27   #44
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Yeah just a bit, i get 36mph out of my mariner 75 running a 21"prop on my 6m.
Thats good for that size of engine ? most peeps would have double that HP on that size of hull
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Old 12 June 2011, 12:46   #45
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First boat with stepped hull and powerlift.... More to come
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Old 12 June 2011, 15:28   #46
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First boat with stepped hull and powerlift.... More to come
Is it just me ? .. but the name on your plotter might be connected with your massive speed
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Old 12 June 2011, 16:33   #47
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Is it just me ? .. but the name on your plotter might be connected with your massive speed
Had to check what you meant Swedish language is fantastic sometimes...

Better now...
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Old 12 June 2011, 18:06   #48
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Boat weight (Wet) 1350. Viper 22" Evinrude Etec 250HO, 5850 revs, two way average with me on board alone, light load with only ~60litres fuel: 52knts exactly. With both of us and a weeks worth of camping kit it struggles over 48. Heck, just having GD on board drops at least 2 knots!
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Old 12 June 2011, 20:44   #49
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470 Hurricane. 70hp Evinrude. Fairly flat. 35kts.
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Old 13 June 2011, 17:02   #50
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Thats good for that size of engine ? most peeps would have double that HP on that size of hull
I bought the boat with a 115 johnson v4 on the back which was tired and needed work doing, I already had the 75 on a stand so i put that on. i swapped from the 19"prop to the 21" meaning acceleration isnt the best but is good for covering distance and also keeps top end revs down a little.
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