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Old 12 November 2008, 11:35   #31
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I really have difficulty believing that the Assault BruceB had is the same as the one I have. My 5.3m Assault is from 1999 so probably the same as SeaFreaks. In rough (upto 2m seas) I have a much more comfortable ride than a Narwhal 5.8m RIB for example. I've just put a 90hp Mercury 2-stroke on the back (max hp on my transom) and I got 42 kts out of it with a 19" Yamaha prop at 6500 revs. It was like the boat was on rails. Admittedly i'd tried a 21" Mercury prop and it chine walked at 39.5 kts. Later i'm off to get a 21" Yamaha prop in the hope that it'll be better.

Bruce, how was yours setup ? Humbers prefer lots of weight up front apparently, I know mine does.

Believe it or not but the Assault has the deepest V of all the Humbers at 30 at the transom. I don't doubt that Destroyers and Ocean Pros are better but there are alot worse than Assaults on the market.

For those who suggest he changes prop because he gets too many revs don't forget that its 5-UP ! On his own I'd bet it would be a different story.

Conclusion, I'd provide you with a skip. I'd even happily come and pick it up with a trailer if you wanna get rid of it
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Old 12 November 2008, 11:53   #32
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what is better about a yamaha prop?
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Old 12 November 2008, 12:50   #33
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If it's a standard ally prop,the merc prop will probably be better. Yam ally props have thicker blades and a thicker leading edge than merc props which appear to be forged..

They also lose big chunks when they hit things rather than bending.
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Old 12 November 2008, 14:00   #34
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so my assault might not be the worst rib in the world?
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Old 12 November 2008, 14:11   #35
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Humber ribs are good solid boats, so, no you definitely have not got the worst boat in the world. The Assult is a good solid hull that will look after you well but the other models offer a wider beam and deeper v giving more stability and a softer ride. A lot of poeple would prefer to spend a little more and get one of the other hulls.
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Old 12 November 2008, 14:42   #36
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Quote:
Originally Posted by Pablo View Post
...Believe it or not but the Assault has the deepest V of all the Humbers at 30 at the transom.
Not
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Old 12 November 2008, 14:53   #37
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I had as much weight at the front of mine as it would bear as well as the console as far forward as I could fit it. Are you sure Pablo that you have an Assault? The earlier version in Humbers model range of this type was the Attaque and this have been developed into the Ocean Pro. This is a proper deep V and the Attaque was a absolutely smashing hull for its size. I have no idea why they replaced it as apart from the way the floor was made up it was immeasurably superior to the Assault.
Humbers are solid boats and yes there are probably worse Hulls out there than an Assault but I think you will have a hard time finding one.
Assaults are built for a specific market. They are narrow and light enough to be towed on an unbraked trailer, fit in a standard garage and be towed by a medium sized family car.
They are not a performance boat by any means and they are certainly not deep V.
Its a long story how I ended up with mine but I spent the whole time I had it saving up to sell it and replace it with something decent.
The ride in any sort of chop is very wet and extremely hard. I found a 5.3m with a 60 on it bad enough, can't even imagine what twice the power will be like hitting waves
Here is a side view of an Assault where the lack of hull depth is very apparent. Now imagine hitting waves with this at speed with such a flat surface and consider your knees and what a knee replacement on the NHS will be like..........
Now if you still believe the Assault hull is a deep V after seeing this pic then I know some Nigerians who need a contact in the UK and you can make some easy money with them
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Old 12 November 2008, 16:30   #38
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Do you really hope to be credible with a photo like that ? With light coming from the top and a dark hull we don't stand a chance of seeing a thing.

Yes the Assault does have a 30 deadrise at the transom. Ask Humber. There is no planing platform. Obviously there are other factors that come into play and its not me whos going to start comparing one to a Destroyer, i've never even been on one. Everybody whos tried both say that Destroyers are better.

I once wrote a post here
http://rib.net/forum/showthread.php?t=23009

Saying that Assaults are light weight and made to be towed behind a familly car is laughable too. They weigh 30kg less than the Attaque you recommended earlier. I'm sure thats going to make the difference between a Landie and a Ford Fiesta.

If you want we can each take photos of our Willies, so long as we don't put a tape measure in the photo we should be able to compare all night
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Old 12 November 2008, 16:51   #39
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It perfectly obvious where the hull is in the pic to me? Its an old pic so I can't really go and take another.
The Assault is aimed at the market I said, go and ask Humber or look on their website-
"The Assault is easy to launch, can be towed by the average family car and fits in most garages. All this comes at a very affordable price. "
The Attaque was also aimed at the same market but was a considerably better hull.
The more you say the more I think you have an Attaque as the assault does have a flat planing platform, it is actually listed as a selling point (have no idea why!) and mine had it and I can even post a pic if you don't believe me? Compare weights to most similiar sized hulls to see what I mean by lightweight, even Humbers hulls.
I have not claimed here at any point that a Destroyer is perfect but I have driven Attaques, Destroyers and Assaults for some considerable "seat time" and even owned two of the three types. The only one I would not recommend is the Assault as it is a poorly designed,(construction is up to the usual Humber standard, rough but perfectly strong),and poorly thought out Hull.
I would not recommend one to anyone as there are far better hulls out there of the same size (infact IMO just about everything out there the same size is better )
If you read my posts in relation to your earlier posts above I am saying exactly the same things as here.
To recap
The assault is not a deep V hull by any stretch of the imagination and gives a very wet uncomfortable ride. These are facts which as far as I am concerned are unarguable.
The Assault is a poor hull and badly designed mainly for family use. These are opinions but
pretty valid ones I reckon based on experience with the type and the above facts.
Even when I had one I cannot at any point remember trying to argue it was a good hull........
Pablo, do me a favour and post a pic of you transom and the bow section of your hull, Assaults and Attaques look different and a pic will confirm what type you have..............
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Old 12 November 2008, 17:19   #40
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Quote:
Originally Posted by seafreak View Post
what is better about a yamaha prop?
Not better, different shape. With the 19" Yamaha prop my boat felt like it was on rails. With the 21" Mercury prop it was very unstable. I'm hoping that with a 21" Yamaha prop it'll feel stable again but wont over rev.
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