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Old 10 October 2017, 08:38   #1
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Ribcraft 545 history?

Are there two different RC545s...?

Or did the 5.45 model start out as a shortened 5.85 and then get marketed as a distinct model???

Thanks in anticipation ;-)
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Old 10 October 2017, 10:05   #2
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Are there two different RC545s...?



Or did the 5.45 model start out as a shortened 5.85 and then get marketed as a distinct model???



Thanks in anticipation ;-)


Nope! The RC 545 is a unique standalone design. It isn't a shortened/ lengthened version of any other RC. It has changed subtly over the years but these are minor tweaks, nothing fundamental.
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Old 10 October 2017, 15:42   #3
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As Pikey says purpose designed and built.
The original Brief for design was a smaller sized RIB to Take four Divers with Kit out safely and as comfortably as poss even in "inclement weather".
Very Beamy...Dry...Deep V Hull and Bullet proof! No sub 5.5 m RIB I've seen even comes close.
Internal Tanks/Side by side Seating/very stable and Great sea keeping.

I've been out in all weathers in one....includeing in a force 8 Gale for 14 hours in the Bristol Channel with one other Larger RIB!...without seeing another vessel of any kind ALL DAY!..Great/Hulls Boats!
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Old 11 October 2017, 06:19   #4
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what are they like fuel economy wise?

As far as I know price wise they are about the same as the 585 arnt they - don't think Ribcraft list them on the price list
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Old 11 October 2017, 09:31   #5
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Quote:
Originally Posted by RickW View Post
what are they like fuel economy wise?

As far as I know price wise they are about the same as the 585 arnt they - don't think Ribcraft list them on the price list
Obviously depends on power plant....and driving Style!
They are a Very Deep V and as a consequence need a decent dollop of power for a brisk performance.
Mine had a 130 e-tec .......and with some fettleing managed late 40's! knts ....a Great wave jumper with nice soft landings.

Ribcraft will make one if you want a new one...maybe drop Pikey Dave a PM first.
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Old 11 October 2017, 15:45   #6
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what are they like fuel economy wise?

As far as I know price wise they are about the same as the 585 arnt they - don't think Ribcraft list them on the price list


I get a reliable 1nm/l, usually around the 1.2nm/l mark, but I use the lower figure for passage planning.
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Old 11 October 2017, 15:53   #7
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Interesting...

I've been given the impression (not here) that some 5.45m Ribcrafts were special commission 585s with the hull shortened by 40 cm...!
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Old 11 October 2017, 16:15   #8
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Ribcraft 545 history?

Quote:
Originally Posted by rkk01 View Post
Interesting...



I've been given the impression (not here) that some 5.45m Ribcrafts were special commission 585s with the hull shortened by 40 cm...!


Absolutely not, the hulls are completely different. The 585 has a planing pad which starts at the rear 1/3rd of the keel. The 545 has a full length keel from stem to stern, no planing pad. The 585 has chines & spray rails that curve upwards to the bow, the 545's are straight along the hull. The 585 has a deep forefoot that tapers off towards the planing pad, the 545 has a long straight keel. Chalk & cheese! Duff info that Rick. I've had both boats & they are different beasts, trust me.
Maybe the info refers to the 530/585
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Old 11 October 2017, 17:42   #9
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The boat I have seen has a deep forefoot with two prominent rails, with very little upsweep or flare. The V extends to the transom. The large diameter tubes have a slight droop over the bow, giving a different appearance to many ribs
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Old 11 October 2017, 17:44   #10
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the boat i have seen has a deep forefoot with two prominent rails, with very little upsweep or flare. The v extends to the transom. The large diameter tubes have a slight droop over the bow, giving a different appearance to many ribs


545
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585
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