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Old 15-05-2006, 04:54 PM   #61
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Quote:
Originally posted by Matt
Except the opti is much less of a DIY motor if you plan to maintain it yourself.
Is it not more reliable though ?
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Old 15-05-2006, 04:56 PM   #62
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That's the theory
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Old 15-05-2006, 05:01 PM   #63
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Now im confused about what to do!! lol

The one with the opti doesnt look as good...

Will there be much speed difference?
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Old 15-05-2006, 05:41 PM   #64
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Quote:
Originally posted by Captain Chaos
a personal thing............... but i'd have the opti EVERY time.

smoother, quiter, newer, more fuel efficient
And slower, And weighs more !
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Old 15-05-2006, 05:56 PM   #65
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Yes................ but that 21 will still see near 70mph, which for a pleasure boat is quite reasonable.

I'd be happy in my knowledge I own "new-tech" and can go out & do 68mph all day for 60 than own a 2.4 thats donkeys years old and pay treble the cost to perhaps do 70-75mph
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Old 15-05-2006, 05:57 PM   #66
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Quote:
Originally posted by benc
Now im confused about what to do!! lol

The one with the opti doesnt look as good...

Will there be much speed difference?
has the opti one been raced?
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Old 15-05-2006, 08:10 PM   #67
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Quote:
Originally posted by Johnny Boat Dude
That said 'Pure Adrenaline' had an XR2 drop on cowl and that one doesn't.

The date on the photo looks like 2004???
here is the boat
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Old 15-05-2006, 11:14 PM   #68
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Recent engine on this 21, although the boat looks alittle older,

http://www.boatsandoutboards.co.uk/view/F100359

I would take the graphics off and it would probably look better.
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Old 15-05-2006, 11:21 PM   #69
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My main reason for getting a hardboard is because I want speed.

My current rib does 50mph... so want something that has a noticable difference... that last one says it does 60 mph... its a 200hp engine... why would the optimax 200hp do 70?

If both engines output 200hp Im guessing its down to weight of boat+engine and the prop size?

Or am I missing something?
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Old 15-05-2006, 11:28 PM   #70
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People often believe their boats are faster than they really are. Cheap speedos typically read 15% over. Or as their known on boatmad, Searay speedos.
ie Read 70, actually doing 61. They all seem overread by about the same, so it's gotta be a "fix", but hey, my formula's a 70 mph boat, I've seen it on the speedo.
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Old 15-05-2006, 11:32 PM   #71
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hehe, understood.

I've measured mine via my garmin gps... seems to be fairly accurate. - 43.1 knots.. not bad for what I have probably another couple of knots there.. maybe.

What speed will a phantom 21 do realisticly with a 200hp?
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Old 15-05-2006, 11:35 PM   #72
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I believe icecreamtruck's one does 73 with a 225
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Old 15-05-2006, 11:35 PM   #73
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A well setup standard built P21 with a 200 on the back will do 65mph, 70 seems a bit in dream land
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Old 15-05-2006, 11:44 PM   #74
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How fast does Ian's boat run?

Quote:
Originally posted by Burty
70 seems a bit in dream land
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Old 15-05-2006, 11:46 PM   #75
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pushing 70, but not quite.

But then again........... I hear he manages a good average speed round a course!
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Old 16-05-2006, 08:44 AM   #76
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Quote:
Originally posted by Matt
How fast does Ian's boat run?
he told me 68MPH max but thats a race boat with a bullet box and no back seat trim carpet etc. so 65 for a standard boat is about right
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Old 16-05-2006, 09:11 AM   #77
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Quote:
Originally posted by Burty
he told me 68MPH max but thats a race boat with a bullet box
Just for the record, the bullet box, IMHO will make no difference whatsoever to top speed with a sub 80mph boat. Except maybe in giving the opportunity to run higher coz of the LWP.
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Old 16-05-2006, 09:16 AM   #78
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but running higher means less geargase in the water which means less drag which means more speed?
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Old 16-05-2006, 09:39 AM   #79
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Yes, but my point is, that the pointed lower is in itself, no advantage unless you're goin fkkn quick anyways. Even if they do look sexy.

Aren't the regular style lowers available with LWP's now anyway?
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Old 16-05-2006, 09:40 AM   #80
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OK, call me dumb... whats a bullet box
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