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Old 28 June 2005, 22:57   #1
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How rough can I go?

I am about to receive a Ribcraft 6.5m, aluminum hull. I am pretty experienced at running boats, but never a RHIB. In practical terms, how big of seas should I expect to be able to handle comfortably? Rollers don't count for stink; I mean white-caps and choppy. I've been in 5-6 footers, with wind and white caps, in my 16' Zod, but it produced a tad of pucker power. At the time, I pined for something a tad larger, better hull, etc. Thanks. j
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Old 29 June 2005, 04:34   #2
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depends on how big your balls are....
Seriousely
In my 29 footer I can go out easily in 4-6 ft. wave heights-force 4/6) but there is only realy one guide and that is YOUR EXPERIENCE. There are too many factors to take into account and a suitable one liner is not very helpful.

jonathan
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Old 29 June 2005, 05:36   #3
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"Bigger is better."

This coming from a guy in a 13' rib.


But seriously, I've gone up to 28 miles offshore in 2-4' wind chopish swell. Winds at most 15 knots. I know my boat can handle more but it does depend on the driver because even in these conditions I can see the possibilty for flipping if you do something wrong. Given that I'm pretty conservative in my speed I'm usually pretty safe. A bigger well balanced rib could probably cut through the waves easily. Even then anything is possible. I see it like this, the more capable your boat is, the more capability for something to happen. Kinda like SUV's, they're more versatile but people still flip em.
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Old 29 June 2005, 07:07   #4
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A few things that might help, however experience is key

1) Your boat will be designed for certain wave height

2) I have a 26ft boat and i go out in all conditions, but the thing that gets me in the end is being tossed around, after a while you need a rest

3) I used to have a little humber 17ft, with this i was a little more careful as the boat would get full of water

4) When we first started we when out in F2-F4 to get used to what happens and then built up our experience
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Old 29 June 2005, 15:08   #5
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I have a 5.5m Tornado (14 years old)

I made a solo crossing of 35 miles in a force 6. I had 5m waves rolling under me for 4 hours. Once you get into the swing of it you will be fine. The waves are un avoidable and I found that they just come to you.

P.S - I bought the boat 5 months ago and had never been in a RIB prior to that.
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Old 30 June 2005, 02:20   #6
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Quote:
Originally Posted by Rob Jones
I had 5m waves rolling under me for 4 hours.
ahem **cough*cough* 5metre?

excuse my secpticism - but really were they 5metre rollers or 5 foot rollers?

5 metres in a rib is a very big wave for anywhere outside of the pub...
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Old 30 June 2005, 03:29   #7
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like this

You mean like this ?

5 to 8 meter waves?
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Old 30 June 2005, 03:58   #8
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Quote:
Originally Posted by EdwardH
ahem **cough*cough* 5metre?

excuse my secpticism - but really were they 5metre rollers or 5 foot rollers?

5 metres in a rib is a very big wave for anywhere outside of the pub...
I will vouch for Robs 5m waves, as went down to Lands end to see them that day, and posponerd my trip for 2 days.
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Old 30 June 2005, 04:20   #9
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made a solo crossing of 35 miles in a force 6. I had 5m waves rolling under me for 4 hours


ah!!!!!!!!!!!!!!!!!!!!! we are dealing with Batman !!!!!. rollers aint the same as
hitting a 5 meter wall of water head on.You should have tried jumping out ??
See if you had any balls ???

Jonathan
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Old 30 June 2005, 05:01   #10
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When talking about wave heights the period of the waves makes all the difference no? I guess force 6 winds means really choppy and mega white caps. I have a hard time with the wind swells 4-6 sec period, not ground swells 10-18 sec periods. Or rather I have a hard time when the winds are up. I would assume for me that'd be force 4?

Of course the windier it gets it just means the slower I have to go really. But anything below 15 mph isn't really worth it.
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