Strongest and bestest ALLOY wave boom?

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Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
26 Jul 2007 7:46pm
Time for a new one. I have always used Chinook RD (skinny tube) booms and there is nothing wrong with the existing one but it is 4yrs old and has been hammered. Tax return time so "preventative maintenance" I guess..... you dunno how corroded the inside of the tubes may be.
Was going to buy a Chinook and at $350ish it is a good buy. As I said, mine have been hammered.

Anyone know what is dead set strongest on the market? Tubes and head/tail pieces.

The Tecnolimits with Ergal tubing rather than usual marine ally looks good, and $480ish is do-able (just!). Don't know anything about them except they're Italian and their website doesn't have an english version which is not a help. Pretty sucky in todays global IT gee whizz computer climate actually, just having Iti and Kraut on a webpage.

Anyone care to weigh in?

PS: please, no suggestions about "get a carbon, mine is sooooo gooood" etc I will be sticking with ally.

WINDY MILLER
WINDY MILLER
WA
3183 posts
WA, 3183 posts
26 Jul 2007 8:35pm
Hi Mark...

I've just done the rounds on buying a boom, as my last indestructable alloy wave boom destructed 4 mths out of warranty!

It snapped between the clamp and the boom arm, on the piece of tubing that runs from clamp to the boom arms! On closer inspection the metal was like butter...a bit poor for a boom 16mths old used about 30 - 50 times!?!?

This kind of snap happens all the time to me, probably coz of my style and the sh1tty metal they use in the clamps, so I'm swithching to one piece i think they're called monocoque.

Lot of carbon booms availavle in monocoque.... But the only two i know of, in alloy, are Aeron and NPX3.

Just picked up the Aeron one a fair bit cheaper than your chinook..it's super light, (could be a worry),decent clamp with inbuilt skinny thingo, quite stiff and has the new style rounded head.

I checked out the full ergal Technolimitz at Albertos, if I had the $$$ I would have gone this for sure. Hand made with top quality components...even the pulley system on the outhaul blew me away (it doesn't take much!!haha)...I'm fairly sure this is Albertos boom of choice too...

Good hunting


hoop
hoop
1979 posts
1979 posts
26 Jul 2007 8:42pm
technolimitz
Greenroom
Greenroom
WA
7608 posts
WA, 7608 posts
26 Jul 2007 9:07pm
I have two booms I use. Both are Aeron. One is a tappered grip and the other is the continuous head. $240-$280. Check out the website which gives you the full run down.
Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
26 Jul 2007 9:24pm
Do you have a url for Aeron? disregard, got it www.aeronsport.com

All I can find is www.aeron.com which is something about saliva tests for breast cancer (yeah that got me thinking too...) and a forum discussion on totalwind.net which is in spanish. Clicked on translate (google) and it says Aeron Spanker boom..... Serious!! not a good endorsement.
God knows what word in english that relates to booms translates directly to 'spanker' in spanish.



shmage
shmage
WA
318 posts
WA, 318 posts
27 Jul 2007 10:48am
Hi Mark

I have a technolimits Ergal boom and they are the s*&t, had mine about two years and still looks as new. Im really happy with mine, no regrets, and thats coming from a carbon (now broken). It feels just as stiff. The new ones look really nice and the head has been changed slightly and looks much stronger, not to say they aren't strong. The grip is very comfortable too.

Alberto at Windshack, www.windshack.com has them so give him a buzz and he can tell you more info.
The Grinch
The Grinch
WA
733 posts
WA, 733 posts
27 Jul 2007 12:18pm

Mark,

I would get one with a continuous front end.

Most of the booms i've owned have had the heads go on them (the mast locking bit).
Atleast the ones made with a 'mono' front end are easier to get the heads off and replace if needed.

I'm with you on the carbon front. It seems the first thing to go on any boom is the grip which is a pain in the ass to replace.

Mark Taylor does some good ally ones at SurfSail
Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
27 Jul 2007 1:06pm
Schmage is it continuous tubing thru the front end? the website pics don't show it and Alberto hasn't replied
Paul Kelf
Paul Kelf
WA
678 posts
WA, 678 posts
27 Jul 2007 1:48pm
I would have to agree that Technolimits make the strongest Alloy Boom, although I have seen them break also.
That boom wasn't very old and Alberto replaced it no sweat!
If the material was available in Australia we would be using it as well.
Having said that the next strongest would be the Hydrodynamix Survivor range, 32mm & 28mm.
32mm Booms are a lot stiffer & stronger than slimline in any brand so if you are a heavy weight, 80 to 85 KG plus go for a 32mm boom.

There was a good review a while back on Seabreeze but I can't get the link to work, must be too long ago.

www.seabreeze.com.au/.../topic.asp?TOPIC_ID=8508

Paul
Paul Kelf
Paul Kelf
WA
678 posts
WA, 678 posts
27 Jul 2007 2:07pm
Found part of the Review by Gazza in 2005.

See under "Gear Reviews"

Paul

www.hydrodynamix.com
shmage
shmage
WA
318 posts
WA, 318 posts
27 Jul 2007 2:15pm
Mark, the older ones i don't think are continuous but i may be wrong. The new ones look like they are.
Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
27 Jul 2007 2:52pm
Paul I have to use a RD 27-29 due to wrist problems a few years ago. Just can't sail a std dia now.

Why is a 32mm stronger? I thought the RD's would have heavier wall thickness.... like a skinny mast.

Haave you ever done destructive stress testing? I'd be interested to know the difference eg if one goes bang at 400kg and the other at 300kg welllll it's a given. If it is 20kg difference I'd go for the one that makes my wrists better.

BTW whoever gave Kelfie a red thumb I dunno why. We are giving thumbs down to blatant unsolicited advertising (especially from posters who are not site sponsors!)
I asked a boom question and Kelfie, as a manufacturer, responded. He even told me that a competitor's boom is a good buy! Dunno why that is a thumbs down.

Thanks Paul.
clarkee
clarkee
WA
220 posts
WA, 220 posts
27 Jul 2007 3:14pm
Hi Mark ,Have used Technolimitz booms and recommend highly .Also have used hydro and good as well,also good to buy from the guy who makes them locally
Paul Kelf
Paul Kelf
WA
678 posts
WA, 678 posts
27 Jul 2007 4:19pm
Mark,
It was probably my wife for giving Technolimits and Alberto a good wrap

Not that she has anything against Alberto, just me for recommending the oppositions equipment

Paul Kelf
Paul Kelf
WA
678 posts
WA, 678 posts
27 Jul 2007 5:02pm

Mark,
We have never done controlled destructive testing only Tensile Testing of our 29mm tubing to get our heat treatment process right. The diameter is far more important than the thickness when it comes to strength.
Our Slimline Booms are about 13% thicker than other brands but I wouldn't say they are 13% stronger.
Our RD Wave Booms are 33% thicker, I'm not sure how much stronger but it's got to be better when comparing the same diameters.
From memory I think North booms were one of the thinnest I have checked but they are 1.0mm bigger in diameter (30mm) and that more than made up for the thickness (theoretically by my calculations)
Monocoque alloy booms are just as strong (theoretically) around the front even though the tube is half the thickness of the tube in a separate front fitting which is 3mm smaller in diameter.
The down side to a Monocoque boom is when they bend or break it's a throw away as opposed to repairing or replacing an arm.
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