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Old 21 November 2014, 01:53   #11
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I run a 15hp 4stroke Suzuki on a 3.8 tohatsu
last weekend on Ullswater we had 21knts with 2 15stone men up and 26knts with one


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jeez im going to change to a four stroke 26 knts is 30 mph in a 3.8 sib that's quick . best iv had out of my 3.2 airdeck with 15 2 stroke is 22mph that's only 19 knts or so
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Old 05 December 2014, 02:10   #12
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Weird,
I've had 17knts out of my 1978 2stroke 9hp on a 3.8 honwave, and that was 2 up. 😎
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Old 05 December 2014, 17:06   #13
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I know this is 4 stroke but Honda 10, 15 and 20hp are all the same weight which if my memory serves me correctly is about 47kgs. It always pays to check manufacturers listed weights and even with 2 stroke engines, you can usually find the data on the internet.

Phil
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Old 06 December 2014, 01:59   #14
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Weird,
I've had 17knts out of my 1978 2stroke 9hp on a 3.8 honwave, and that was 2 up. ��
that doesn't surprise me me and a pal were racing back to shore at clachtol last year (my signature pic was taken when we got to the shore) fairly flattish water and we were neck and neck he had a 9.9hp on a 3.0 sib against my 15hp 3.2 meter sib both had virtualy the same top end I might have been pulling away by 1 or 2 mph at the most nothing in it .holeshot though I leave him for dead. the point is ,there is a point where you start getting ever smaller returns for increasing power
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Old 06 December 2014, 13:13   #15
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I've got a 15hp suzuki 4 stroke now aswell, dying to get out on the water and see what difference it makes.
Roll on holiday time 😜
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Old 06 December 2014, 14:38   #16
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I've got a 15hp suzuki 4 stroke now aswell, dying to get out on the water and see what difference it makes.
Roll on holiday time ��
oh yes roll on clachtol 2015 and luing 2015 cant wait
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Old 11 December 2014, 15:25   #17
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Bought the johnson 15hp 2003 2S. Cant wait to get out and try it , I am a little annoyed as weather is very stormy and only 5c .
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