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Carbon Boom on RS300
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pondmonkey View Drop Down
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Posts: 2202 		Post Options Post Options   Quote pondmonkey Quote  Post ReplyReply Direct Link To This Post Topic: Carbon Boom on RS300
    Posted: 25 Jan 13 at 8:29pm
Originally posted by Roger



Having said all that an ally boom for a Solo is between £125 and £157 depending on manufacturer.

But that's what you pay for carbon....

 i know I shouldn't admit it, assuming of course sailing has a 'cool school' to be evicted from, but I actually prefer the aluminium mast of my Solo to almost any other mast I've used.  It just does what I expect it to do and the sail just fits perfectly.

Not withstanding that statement, a carbon boom on the 300 is a good thing in my opinion.  DWSC's 300 fleet were going to commission a batch before we all sold up in 2009-ish.
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tick View Drop Down
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Posts: 223 		Post Options Post Options   Quote tick Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 8:39pm
I am going to make a new round ally boom for my lightning like the John Claridge one. It will replace the old square section Superspars boom which is heavy, complicated and painful. As far as I can see the tube will cost about £25.00
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sargesail View Drop Down
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Posts: 1459 		Post Options Post Options   Quote sargesail Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 8:46pm
I tested the 300 boom for the first time in anger at the Nats in Weymouth in 2011, when mine broke.

I felt it was bullet proof then, and so as it has proved while being tested by Steve 411 and a few others.  I think there has been a little refinement, but I would have utter confidence in it.

And even though I have barely used the ally boom that Superspars replaced for me, once I am active in the 300 I will look for the money to upgrade, due to the bullet-proof build of the new one.

Maxi-buddah must have been lucky with his.  Most have had some sort of problem - I had to put a bolt in the gooseneck jaws to prevent splitting on two different boats.
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Ruscoe View Drop Down
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Posts: 1514 		Post Options Post Options   Quote Ruscoe Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 8:50pm
Ian I had to replace 2 300 booms within the ownership of my 3 x 300's. Nothing to do with wind strenght just the poor design of the gooseneck. Mine both cracked along the rivets.

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Dave.B View Drop Down
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Posts: 38 		Post Options Post Options   Quote Dave.B Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 10:31pm
Wish I'd had a Carbon boom at the Draycote Inlands in 2010 Confused
H2 148
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 10:51pm
Originally posted by Dave.B

Wish I'd had a Carbon boom at the Draycote Inlands in 2010 Confused


What it comes down to is not choice of  material, but quality of detail design.
Some ali spars only break when you hit the bottom or similar, others, like the old style 400 booms are doomed to break eventually because they are weakened by fittings and holes in the wrong place.
My original one lasted about 10 years, which is fair enough, but it was nice to replace it with one where the details had been fixed so there is no reason for the new one to fail.
Carbon is lighter for the same strength, given good enough design.
Given poor design, you get many more failures than a proven aluminum spar.
As shown by the RS400 bowsprit fiasco.
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Bootscooter View Drop Down
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Posts: 1094 		Post Options Post Options   Quote Bootscooter Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 10:56pm
As for the price, I think someone on here once said that regarding carbon bits;
 
STRONG
LIGHT
CHEAP
 
........ pick two of the three....
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maxibuddah View Drop Down
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Posts: 1760 		Post Options Post Options   Quote maxibuddah Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 13 at 11:01pm
Originally posted by Dave.B

Wish I'd had a Carbon boom at the Draycote Inlands in 2010 Confused

Yikes, not the gooseneck though. The gooseneck did look feeble though to be honest Russ but I never had any probs with mine, guess I was just lucky.
 
That was a windy event, I was there in a phantom, broke my halyard gybing in the first race, ripped my leg open in the second and retired to the free bar to watch you lot continuing out there with lots of admiration. Don't think I would have done that in a 300
 


Everything I say is my opinion, honest
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JimC View Drop Down
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jan 13 at 8:18am
Originally posted by tick

I am going to make a new round ally boom... As far as I can see the tube will cost about £25.00

It not quite that simple. There's alloy tube and alloy tube. Dinghy metal spars are made from a high spec alloy which I think is also specially heat treated. Straightforward aluminium tube from a metal stock holder isn't, so its much less stiff.

That doesn't mean that you can't use it: I've done it, but it does mean you have to go up quite a bit in section in order to get the same results. It also means that you need to be very careful about how fittings attach and where you put rivet holes and so on. It will also be heavy because of the larger section, but if you are keen you can cut holes in the lower loaded areas.

Here, as they say, is one I made earlier...



Edited by JimC - 26 Jan 13 at 8:21am
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Ruscoe View Drop Down
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Posts: 1514 		Post Options Post Options   Quote Ruscoe Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jan 13 at 8:22am
Was that not 2009 maxi? It certainly was a full on event!

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