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Old 18 September 2009, 05:04   #1
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Boat name: Sportboat S310
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Engine for Avon S310 Sportboat?

I have bought an oldish Avon S310 Sportboat SIB with a wooden floor - and can't find info on what size engine to use or what the maximum load is. I want to be able to get on the plane with a fairly heavy load of equipment on board. Can't find a spec sheet anywhere. Can anyone help?
Lyle
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Old 18 September 2009, 09:54   #2
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A 15 HP short tail will be fine, if 2 strokes available the better, 10 kilo less compared to same 4 strokes model. If bit more power is needed, go for a Tohatsu 18 HP.

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Old 18 September 2009, 10:46   #3
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It I think may have evolved into this:

http://www.avon-workboats.com/page/erb

In which case you're talking in the ballpark of 10Hp.


Having said that, the numbers on the scan here http://rib.net/forum/showthread.php?t=32256 hint it's more likely related to the Current "heavy duty workboat" http://www.avon-workboats.com/page/w400, in which case it may take more.

Maybe if matt reads this he might have the rest of the brochure with the smaller hulls' info to hand.
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Old 18 September 2009, 11:00   #4
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avon s3 .10 in my book says max 10 hp--- 7.5 kw and a rough guide to speed with a 10 hp ,,1 person 19 mph,,,,2 persons 16 mph ,,3 persons 14 mph as i say is only a rough guide to speed .and capacity can carry 934 ilbs,,,or 420 kgs ,,,or 5 persons
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Old 18 September 2009, 15:32   #5
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Thanks guys. Great stuff. I wonder if Matt H has a picture of the Sportboat 310 (if he's still on the forum)? The data for the Sportboat S340 suggests the 310 will take 15-18hp, whereas as m chappelow says, the current 310 seems to have 10hp as a maximum. I do like the idea of the 18hp Tohatsu. :-)
Cheers
Lyle
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Old 18 September 2009, 17:57   #6
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Quote:
Originally Posted by auluslesbains View Post
Thanks guys. Great stuff. I wonder if Matt H has a picture of the Sportboat 310 (if he's still on the forum)? The data for the Sportboat S340 suggests the 310 will take 15-18hp, whereas as m chappelow says, the current 310 seems to have 10hp as a maximum. I do like the idea of the 18hp Tohatsu. :-)
Cheers
Lyle
my info was from 1990 avon cataloge,,
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Old 18 September 2009, 17:58   #7
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Quote:
Originally Posted by auluslesbains View Post
Thanks guys. Great stuff. I wonder if Matt H has a picture of the Sportboat 310 (if he's still on the forum)? The data for the Sportboat S340 suggests the 310 will take 15-18hp, whereas as m chappelow says, the current 310 seems to have 10hp as a maximum. I do like the idea of the 18hp Tohatsu. :-)
Cheers
Lyle
If it can handle a 10 HP, that is a 9.9 will also handle a 15 HP 2 strokes as both engines weights same and have 250 CC each. Tohatsu 4 strokes is another story, 9.8 has 210 CC-37 Kg compared to 350 CC-52 Kg for the 15 model. 15 model has same weight and CC as 20 model, so check transom specs for max engine for Sportboat 310 sib.

Happy Sibbing
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