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Old 07 March 2019, 15:56   #1
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Country: Ireland
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Boat name: Katie rose
Make: Avon, Searider
Length: 5m +
Engine: Yamaha 90, 2 stroke
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Avon Searider 540

I am finally spending some money on my long suffering Avon 540. There is a Mercury 75 two stroke coming off it and I am considering putting on a new Honda 50 four stroke. Does anyone know if this is enough to get it up on the plane to empty out the double hull? I don't want to be dragging 5 tons of water around with me!
I am not bothered about speed really. I am not one for showing off around the bay. Just the hull problem is all that bothers me
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Old 08 March 2019, 10:43   #2
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Avon Searider 540

Itíll plane eventually with a 50 on (the correct prop will help you achieve this more quickly) but it wonít be a particularly exciting ride. I would say a 60 is really the minimum power for a 5.4. Likewise you might struggle to get going with more than a couple of people onboard. You could look at blocking up the flooding hull for improved hole shot. If youíre looking at the sort of budget that required for a new Honda 50, why not get a good used 75?
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Old 08 March 2019, 13:48   #3
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Country: UK - England
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Engine: Honda BF50
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I spend a large amount of time on a fleet of 7 SR5.4s with Honda BF50s on a large reservoir.

We manage to get 25 knots out of them, and they plane at about 15knots (roughly) so if you don’t require speeds above 25, I think you’ll be fine.
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Old 09 March 2019, 11:26   #4
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I've run a fleet of 5.4's with Honda 50's

They plane with 9 small people and myself, providing the conditions are right.

On your own their fine. We had them for working with Young People, so didn't want them to take off too quickly.

I'd go higher 70? for personal use, but a 60 is probably a sensible decision
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Old 10 March 2019, 15:21   #5
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If you are used to the 75 I think you will be disappointed with the performance of the 50
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