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Old 13 May 2015, 06:18   #11
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I know of lots of single engine commercial RIBs that have operated successfully for many years.
The real question here is how you feel the RIB of your choice handles AND where you intend to operate.
I have operated a twin 9m RIB for 5 years, covering the equivalent of 4 return crossings of the Atlantic. The Parker has separate fuel tanks and electrics and can operate completely independently.
During that time, I have had an engine "fail" twice. Once a gearbox exploded (a manufacturing fault) and one due to chronic fuel contamination (i still don't know how the other engine kept running?).
When the gearbox failed, we were at a remote location, close to cliffs and having the second engine was an absolute must. When we lost an engine due to the fuel, there were many other vessels near by and in no danger. However, had the fuel problem occurred when in the remote location, no amount of engines would have helped. Realistically, no one refuels each tank from different fuel supplies.
A twin has increased overheads for servicing and fuel costs.
The Parker RIB's of all sizes, are mighty fine boats and would be hard to beat commercially.
Regards
Steve
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Old 13 May 2015, 06:25   #12
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Would a diesel inboard also not be a good option on the 10m, or would it take up too much space. It would keep the fuel and servicing costs down and be as reliable, if not better than outboards ?
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Old 13 May 2015, 19:57   #13
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Thanks for all the replies!

I think where we are and the typical tour, we could probably get away with a single engine. That being said, twins reliability is nice, cost is twice, as is fuel. I am still running numbers and need to talk to potential clients, so that will be a big factor.

A diesel would not work due to space mainly.

Any more input, stories or advice is always greatly appreciated!
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Old 14 May 2015, 03:11   #14
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If your looking to test the market. Why not speak to these guys, they frequently have used boats available that are already fully fitted out for Seafari's type operations.

If you want advise on the best solution for your requirement I am sure they would be worth a call.

Passenger Seafari RHIBs - Quinquari Marine
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Old 14 May 2015, 03:32   #15
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... they frequently have used boats available that are already fully fitted out for Seafari's type operations.
Even a few Tropical looking craft!

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Old 14 May 2015, 06:59   #16
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Great link Chris, thanks a lot!
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Old 16 May 2015, 03:59   #17
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If your running it in the UK. 12 passengers will be your maximum, or you have to go into MCA passenger boat land - which is a very costly nightmare- and would not recommend it to anyone -- one of there rules would prob be you would have to get the air in the tubes from the top of a mountain or someshiete.. It would also be the first in the UK over 12 passengers I think ..
Diesel inboard - fine option - had in all of mine and no problems..
Personally - an will prob be slagged for it - I couldn't think of anything worse then 2 big thirsty outboards that would need fed each and every day from a ton of Jerry cans...
Diesel inboards rule ...
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Old 16 May 2015, 05:05   #18
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If your running it in the UK. 12 passengers will be your maximum, or you have to go into MCA passenger boat land - which is a very costly nightmare- and would not recommend it to anyone -- one of there rules would prob be you would have to get the air in the tubes from the top of a mountain or someshiete.. It would also be the first in the UK over 12 passengers I think ..
Diesel inboard - fine option - had in all of mine and no problems..
Personally - an will prob be slagged for it - I couldn't think of anything worse then 2 big thirsty outboards that would need fed each and every day from a ton of Jerry cans...
Diesel inboards rule ...
I think from his other posts he's in the caribean.
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Old 16 May 2015, 07:50   #19
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Yes - we're in the Caribbean. Sort of. Details soon

I submitted to the port department for approval. Should know by the end of June.

10m RIB with twin 300 Verados, 16 pod seating, 2 crew
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Old 16 May 2015, 08:03   #20
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Diesel inboard - fine option - had in all of mine and no problems..
Personally - an will prob be slagged for it - I couldn't think of anything worse then 2 big thirsty outboards that would need fed each and every day from a ton of Jerry cans...
Diesel inboards rule ...
Diesel inboard is 3-4x the cost initially.

If one engine goes down, easy to switch out an outboard and get back on the water. Outboards easier to access for routine maintenance. Less corrosion as boat will be in water 24/7 for probably 360 days a year.

More maneuverability with twin outboards than a big single diesel.
Quicker to plane with the outboards.

Slow speed semi-sub tour boat around here with twin 300 Verados had 6000+ hours before they lost a powerhead, and did zero maintenance apparently. They're replacing with a brand new set with no complaints.

And most importantly - Cool factor is 4.6x (very scientific study) when seeing twin 300hp outboards on the back
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