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Old 02 September 2004, 06:19   #11
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Ultra-long

Outboard used to come as just "standard" and "long shaft" but increasingly there seem to be longer and longer ones available. It's just the length of the leg that changes, so with an ultra long you can have a higher transom.

John

< Edit: beaten to it by Louise again! >
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Old 02 September 2004, 06:21   #12
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Quote:
Originally Posted by slimtim
Jono,

excuse my ignorance but what is U/L?

Cheers

Tim
Ultra Long shaft length, 635mm on a suzi, which means you get a ridicuously high centre of gravity and the handling quirks to go with it!
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Old 02 September 2004, 06:23   #13
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Quote:
Originally Posted by John Kennett
< Edit: beaten to it by Louise again! >
Hey, I'm getting you back for yesterday! You beat me to answering mstacey's query about filling the fuel tank before over-wintering!

Edit: Love your 'Reason for editing' DD!
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Old 02 September 2004, 07:33   #14
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Originally Posted by Dirk Diggler
Ultra Long shaft length, 635mm on a suzi, which means you get a ridicuously high centre of gravity and the handling quirks to go with it!
Yeah! I really must get round to pointing this mistake out to all the RIB builders who use U/Ls these days. Kids eh? What can you tell 'em? Of course the increased CofG could be countered by the passengers sitting, say, 70mm lower in their seats.....or not standing up! Now that really buggers up the handling for RIBs (especially racing ribs. .but that's not what we're talking about here, or is it?) You do have the low seat option in your RIB don't you?
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Old 02 September 2004, 07:52   #15
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You do have the low seat option in your RIB don't you?
No, slung em out and replaced them with a mattress.
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Old 02 September 2004, 08:12   #16
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No, slung em out and replaced them with a mattress.
No, no, no, no NO! You're still doin' it wrong! A MATTRESS, for feck's sake! Do you not realise just how heavy a mattress is? What you want is an air-bed... much better performance...


There was a letter in one of the performance 'bike comics a while ago from a chap who wanted to know how much a set of titanium fastners would be for his sports-bike because he wanted to reduce the weight and so increase the bike's relative performance. The reply from the editor? Take a p**s, sonny, more weight lost and much cheaper......
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Old 02 September 2004, 08:58   #17
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Ultra long, thats what I thought but always thought it was just XL. I guess this ultra long shaft specification is the same for both the 6.2m and the 5.2m. Would this not make it really difficult to buy a second hand engine to fit? I haven't ever seen a 2nd hand outboard labelled as having a ultra long shaft, only a long shaft (not that I've looked I guess!).

After a quick look on the mercury website, it seems that you only start to see a 635mm leg on outboards 115hp and above...what happens if you want to fit a 75hp or a 90hp? Am I missing something here? I know that Steve's demo boat has a new 75hp evinrude on it and Ed at Olmec has a 90hp on his so how do they do it?

Someone slap me and tell me i'm being stupid.

Tim
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Old 02 September 2004, 09:10   #18
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No you're not being stupid but the package being offered is with Suzuki engines so it might be a good idea to look at their website, rather than Mercury's? Yamahas are available as standard, long, super long (which they label XL, I think) and ultra long, but you are right that not all leg lengths are available with all size engines. HTH
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Old 02 September 2004, 09:14   #19
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Yep, your being stoopid! Ultra is Suzuki's wording for everyone elses XL or 25"

Most engines above 60hp (don't quote me) are available in that length.

You also get L = 20" or 508mm

Most of the bigger motors also come in XXL or 30". Suzuki call it XX. Hey, they're japs and like to be different!

Merc do a shorty in some motors 15"!!!!
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Old 02 September 2004, 09:24   #20
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hhhmm, ok thanks guys. I would imagine that it severely restricts the option of second hand motors out there at around 70-90hp because I guess they are mainly long at 508mm?

Just looking at the yamaha website and they seem to only have 25inch shafts starting on the 115hp model.

Tim
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