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Old 03 August 2008, 07:33   #11
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Cheers Jono,

So most divers who trail go for the 2.28? is this available in 6.0 metres I looked on Humbers site it looked like the range finished at 5.8 metres. I had a go of my mates 6.3 OP 2.34 and liked it very much but it is a heavy boat to move about on land.

I was trying to keep the weight down by a shorter hull, a light motor E-tec or Optimax 150 and a single axle trailer, less stainless work. I think we could save 150 - 200kgs compared to my mates boat.
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Old 03 August 2008, 08:23   #12
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Hi

Most of the dive clubs who we sell boats to go for the Destroyer which is 2.28m beam.

Jono
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Old 03 August 2008, 11:05   #13
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Cheers Jono,

So most divers who trail go for the 2.28? is this available in 6.0 metres I looked on Humbers site it looked like the range finished at 5.8 metres. I had a go of my mates 6.3 OP 2.34 and liked it very much but it is a heavy boat to move about on land.

I was trying to keep the weight down by a shorter hull, a light motor E-tec or Optimax 150 and a single axle trailer, less stainless work. I think we could save 150 - 200kgs compared to my mates boat.
Hi Simon

The destroyer is available i the 6 meter, 150 hp is max power on it but it makes a great boat
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Old 04 August 2008, 07:03   #14
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Hi Simon

The destroyer is available i the 6 meter, 150 hp is max power on it but it makes a great boat
Would 115hp be underpowered for a dive rib? They usually operate with a heavy payload. The plan would be for upto 8 divers plus 2 crew off this boat. This is within it's limits for the hull, engine though may feel a bit gutless. It's highly likely we'd use a 4 bladed prop again, this worked well on the Delta. A number of OB manufacturers do do motors between 115 and 150 but they use the 150 or larger block so motor weighs the same. I had discounted twins for all the normal reasons.
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Old 04 August 2008, 07:43   #15
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115hp Optimax on a 6m produces about 38knots 2 up.

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Old 04 August 2008, 11:13   #16
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Our Delta 5.5 with a 100hp 4st will do about 25 flat calm 8 up (6 divers 2 crew)

2 up only it'll do about 31.
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Old 08 August 2008, 05:58   #17
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I may need correcting but I think this applies throughout europe. On the roads your not allowed to tow anything wider than 2.5m. If you buy a boat with a 2.6m beam the tubes would have to be deflated for each trip.
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Old 08 August 2008, 06:19   #18
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I may need correcting but I think this applies throughout europe. On the roads your not allowed to tow anything wider than 2.5m. If you buy a boat with a 2.6m beam the tubes would have to be deflated for each trip.

In the UK the trailer can be up to 2300 mm wide and load can be a maximum of 305 mm more on either side so 2900 mm overall
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Old 09 August 2008, 13:19   #19
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Would 115hp be underpowered for a dive rib? They usually operate with a heavy payload. The plan would be for upto 8 divers plus 2 crew off this boat. This is within it's limits for the hull, engine though may feel a bit gutless. It's highly likely we'd use a 4 bladed prop again, this worked well on the Delta. A number of OB manufacturers do do motors between 115 and 150 but they use the 150 or larger block so motor weighs the same. I had discounted twins for all the normal reasons.
Our Humber O/P 6.3 with a 4/S Suzuki 115 shifts very nicely when fully loaded (not with dive gear, but with lots and lots of people) so I couldn't see it being a problem. If you're still not convinced, go for a 150 but personally I see no need myself
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Old 09 August 2008, 13:32   #20
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Our club boat, a 6.1m Redbay has a 115 Evinrude Ficht and makes well over 35knots lightly loaded. This drops away rapidly when loaded for diving, and generally leads to running at WOT to keep to schedule. If the startup budget was any way flexible, a bigger lump could be run at much lower revs for the same speeds and keep the fuel bill down on an ongoing basis.

My own Redbay 6.5 has a 2700mm beam and makes for an "interesting" towing experience on the wee roads.
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