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Old 27 May 2009, 15:01   #1
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should a 5hp 4 stroke plane????

hi all,i have a 2.8 avon with a ridged hull with a honda 5hp 4stroke (2007).....should it plane?cheers rob
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Old 27 May 2009, 15:27   #2
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Should do with one up if you are not too heavy but it may take a bit of time to get there. You will need to get yourself well forward and a tiller extension would help. We used a 2.8 with an 8hp as a tender and it planed with two adults. I think there was a thread started by somebody with an Avon 3.2 rib which may be worth searching for.
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Old 27 May 2009, 15:30   #3
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Hi Rob - I reckon it 'could' . Not a direct answer , but I have had an 8hpon a 3.1 Avon RIB that planed 2 up quite easily .

It may come down to weight distribution . You'll need to be near the front to get going & it'll get knocked off the plane pretty easily .


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Old 27 May 2009, 15:34   #4
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It may plane, but be careful 5hp engines aren't designed to plane so over heating is common.

I got my cousins a 2.3m with a 2.5hp Mercury which planes, however they can only plane for about 3 or 4 mins. Considering swapping for a honda 2.3 which is air cooled.

Jono
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Old 27 May 2009, 15:47   #5
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Quote:
Originally Posted by Jono Garton View Post
It may plane, but be careful 5hp engines aren't designed to plane so over heating is common.

I got my cousins a 2.3m with a 2.5hp Mercury which planes, however they can only plane for about 3 or 4 mins. Considering swapping for a honda 2.3 which is air cooled.

Jono
is that boat coded?
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Old 27 May 2009, 15:52   #6
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Originally Posted by Heart-trouble View Post
is that boat coded?

Yes 300 yds from a safe haven, favourable weather
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Old 27 May 2009, 16:21   #7
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ha!
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Old 27 May 2009, 17:57   #8
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Quote:
Originally Posted by Jono Garton View Post
It may plane, but be careful 5hp engines aren't designed to plane
What's the difference between a planing and non planing engine? Not trying to start an argument, just curious? There isn't much danger of my 6hp Johnzuki planing the Destroyer but I had vaguely thought of getting a little dinghy to play with using the aux, and wonder if it could be a problem.
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Old 28 May 2009, 00:06   #9
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thanks for your replies.....im 13.5 stone...i watched a clip on youtube with a zodiac and 5hp honda with 2up and they seem to get it up on a plane with no effort.i have tried adusting the angle of the engine but all that happens is front pulls up a bit and it churns up alot of water! would a 2stoke be any better?,cheers rob
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Old 28 May 2009, 02:58   #10
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Quote:
Originally Posted by BogMonster View Post
What's the difference between a planing and non planing engine? Not trying to start an argument, just curious? There isn't much danger of my 6hp Johnzuki planing the Destroyer but I had vaguely thought of getting a little dinghy to play with using the aux, and wonder if it could be a problem.
Hi Steve

I don't think there are officially "planing engines" and "non planning engines" for me this is from personal experience and not a book. Is suppose the size of the water in let is the problem, at speed, not letting enough water in to keep the water pump happy. J S is the SIB planning expert may be he could comment further.

BTW the Puma Engine is performing well, although its not a tdi300. 6 speed box on the tdi300 would be great!

Jono
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