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Old 23 May 2006, 14:55   #21
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Originally Posted by Rodan
I would be interested to see if that really is top speed. it seems a bit optimistic. A blade runner 35 with twin 300 promax tops out at 90 and that is one seriously fast hull...
The blue and white race boat bladerunner does 90mph, but apparently the Ice Marine production boats (2x 300 promax) struggle to top 75mph. Very Tricky has one, he can confirm this.
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Old 23 May 2006, 15:08   #22
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Originally Posted by RIVA
well i have a sr9 out side with 2 x 200 xs thats clocked 102 mph
Is that Max Walker's old SR9?
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Old 23 May 2006, 15:43   #23
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indeed, was using the sport as an example - hence the 2 x 300's.

footnote to this and sone for Cookee... do the BR's share some heritage with the bananashark? Bow section is very similar looking. I am not insinuating a splash in any form before this thread disintegrates into a leewaesque ramble!
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Old 23 May 2006, 15:55   #24
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Quote:
Originally Posted by Rodan
indeed, was using the sport as an example - hence the 2 x 300's.

footnote to this and sone for Cookee... do the BR's share some heritage with the bananashark? Bow section is very similar looking. I am not insinuating a splash in any form before this thread disintegrates into a leewaesque ramble!
The BR was designed by Lorne Campbell, I believe the Bananashark is a distant relation of it.....Im sure Cookee will fill us in.
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Old 23 May 2006, 16:09   #25
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Makes sense, nice boats the both of them. The bow section is really unique.
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Old 23 May 2006, 19:06   #26
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Back on topic.

This was discussed a while ago - and this is what I / we said about CE marking and horsepower and handling tests:

http://www.rib.net/forum/showthread....+handling+test


The Blue Ice Marine Blade Runner does 99mph with the race props on but only about 80mph with Bravo one props and the charter gear on board.

It has 2.5 race engines (280hp?) and uses a lot of carbon fibre in its construction. When in race trim it also has a lid over the crew compartment giving very good aerodynamics.

15mph was gained by moving the 12kg anchor from the bow to the stern shortly after it was coded. Small things can make a big difference !

Only drove it once - and then up to only 60mph as it was cowes week and a bit "busy". Didn't get another chance as an over exuberent skipper rolled it with guests on board. No insurers were then interested in continuing cover
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Old 23 May 2006, 19:30   #27
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Quote:
Originally Posted by RIVA
have you ever seen a hummer on the start at silverstone
Ah yes - but in a Top Gear stylie - if I fitted an EJ 200 to a Hummer (Mk I or II) I reckon it would beat Schumaker in his Ferrari to the end of the start straight... ...although it would need an ejector seat for use before the first corner, as the chances of getting round it would be, well, about zero......

D...
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Old 24 May 2006, 17:36   #28
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Quote:
Originally Posted by ADS
The BR was designed by Lorne Campbell, I believe the Bananashark is a distant relation of it.....Im sure Cookee will fill us in.
Yes the Ice Marine boats were designed before the BananaShark - the bow certainly does have similarities - it's what makes our boat so good in rough weather! By the way the race boat recently went 75.6mph on the GPS in Southampton water ............. with just 200hp (an XS200) on the back - the thing was it was still accelerating but I had to back off for the car ferry wake!

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When a boat looks that good who needs tubes!!!
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Old 25 May 2006, 12:08   #29
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them Modas are stock, out of the box, no mods, thay turn at 8250rpms. Not kinda does 90, Does 90+mph with two Fast Fred reman Stock 2.5 Offshores.

rigin out a Falcon 700, lookin to go a buck with one Fast Fred OS Moda.
evey thing is for sale, or one just like it.
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Old 25 May 2006, 12:54   #30
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Originally Posted by fast fred
them Modas are stock, out of the box, no mods, thay turn at 8250rpms. Not kinda does 90, Does 90+mph with two Fast Fred reman Stock 2.5 Offshores.

rigin out a Falcon 700, lookin to go a buck with one Fast Fred OS Moda.
evey thing is for sale, or one just like it.
Why do Yanks add an s to RPM? Revs Per Minute - what does the S stand for???
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Old 25 May 2006, 13:00   #31
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I like to rev for more than a min.
thinkin most feel the same, not just Yanks
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Old 25 May 2006, 16:26   #32
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Over hear any way, over 21' or 7.1m, max hp is only whats recommended .
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Old 25 May 2006, 17:57   #33
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Quote:
Originally Posted by codprawn
Why do Yanks add an s to RPM? Revs Per Minute - what does the S stand for???
Have lived in the USA for 25 years and have asked that question many times. Have not had a sensible answer yet. Just one of those wierd things I guess. Just like the term "Bril" in the UK. However, I have to say, that the correct use of the English language in general by the majority of Americans is far better than the majority of Brits. Is that not ironic.
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Old 25 May 2006, 18:28   #34
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Quote:
Originally Posted by fast fred
Over hear any way, over 21' or 7.1m, max hp is only recommended .
better said
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Old 25 May 2006, 19:24   #35
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2 * 275 verado

MECAL have coded our new 11.5m Tornado for diving with twin 275's. Their only issue was to ensure the transom was at least 300mm above waterline.

With a single installation the leg is not long enough to clear the V without a notch in the transom of the tornado, thus not having 300mm transom and not getting through MECAL!

Tornado have delievered 1 to Norway recently that has reported top speed of 73kts with full fuel + 12 pax + 2 crew.

I can finish work go diving, get my dinner, and still be home in time for Neighbours!!

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Old 25 May 2006, 21:28   #36
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Regarding the Tornado in Norway, the boat is still sitting on the trailer and the rigging is not finished until Monday next week, i know because im doing the rigging.

73 knots with 12 pax and 2 crew is not true, i would rather say 60-65 knots, and the reason is that Tornado have mounted the bracket to low so the engines is sitting to deep in the water. and we are testing first with bravo one 26" pitch

The engines cavitation plate is only 8 cm over the bottom of the hull, last monthe i rigged a Revenger 34 with twin 275 verados and here the engines is 15,5 cm over, and the boat has 25" engines and revenger builted it for transom for 30" engines.
The top speed for this boat is 61 knot with revelolutin 4 props with 2 pers onboard and 52 wit 18 pax onboard, now the boat has bravo one 23" props and top out at 58 knots 2 pers onboard and 53 with 18 pers onboard thats impresive for this big and heavy boat
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Old 25 May 2006, 23:09   #37
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Quote:
Originally Posted by codprawn
Why do Yanks add an s to RPM? Revs Per Minute - what does the S stand for???
just plural cod, some add a "s" to rpm, some don't. You could have one rpm or 5 rpm's. The abbreviation of revolutions per minute to rpm is so common that "rpm" is basically used as a correct word.
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