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Who makes the best boom?
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tajella



Joined: 23 Oct 2001
Posts: 43

PostPosted: Fri May 19, 2017 1:13 pm    Post subject: Reply with quote

Regarding Streamlined booms, any suggestions on how best to thread the outhaul through the tailpiece. The way I am doing it now it seems to create a lot of friction and is not as easy to outhaul as I would like.

Other than that, I *love* this boom. Super stiff. It's a finely crafted instrument.
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kevinkan



Joined: 07 Jun 2001
Posts: 1400
Location: San Francisco

PostPosted: Fri May 19, 2017 3:10 pm    Post subject: Reply with quote

tajella wrote:
Regarding Streamlined booms, any suggestions on how best to thread the outhaul through the tailpiece. The way I am doing it now it seems to create a lot of friction and is not as easy to outhaul as I would like.

Other than that, I *love* this boom. Super stiff. It's a finely crafted instrument.


There are some large pictures here

basically the knot end is below the hole that goes to the cleat. if you're looking at the back of your boom from behind, this hole is the bottom left hole. the rope then goes through the grommet in the sail to the bottom right hole, then travels around the end of the boom tail to the upper level through the upper right hole, back through the grommet and to the upper left hole to the cleat.



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Kevin Kan
Sunset Sailboards, San Francisco CA
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dennis_c



Joined: 05 May 1998
Posts: 850
Location: Rio

PostPosted: Sat May 20, 2017 10:24 am    Post subject: Reply with quote

I have two Streamlined RDM Dyneema heads and they are very light and stiff. I agree with Kevin that they have a large sweet spot in their adjustment range. Also, with their small size and by eliminating the mast shim, they are very easy to attach to the mast. That said, the quality control could be better. I received one that had the screw holes so poorly located that I had to return it. I recommend test-assembling the unit on the workbench - sans bushings - before actually trying to attach it to the boom.
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kevinkan



Joined: 07 Jun 2001
Posts: 1400
Location: San Francisco

PostPosted: Sat May 20, 2017 11:29 am    Post subject: Reply with quote

dennis_c wrote:
I have two Streamlined RDM Dyneema heads and they are very light and stiff. I agree with Kevin that they have a large sweet spot in their adjustment range. Also, with their small size and by eliminating the mast shim, they are very easy to attach to the mast. That said, the quality control could be better. I received one that had the screw holes so poorly located that I had to return it. I recommend test-assembling the unit on the workbench - sans bushings - before actually trying to attach it to the boom.


glad you like the boom new boom heads. I test assemble each head before I ship it out to make sure that the parts go together correctly. for local customers I do the installation on the spot.

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dennis_c



Joined: 05 May 1998
Posts: 850
Location: Rio

PostPosted: Sat May 20, 2017 5:35 pm    Post subject: Reply with quote

New recommendation: Buy from Kevin! Very Happy
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swchandler



Joined: 08 Nov 1993
Posts: 8773

PostPosted: Sat May 20, 2017 6:24 pm    Post subject: Reply with quote

Seems that someone that has both SDM and RDM masts might find a significant problem with the Streamlined RDM head. Having multiple carbon booms to accommodate different diameter masts looks to be an expensive option. I only bring this up because I'm using both SDM and RDM masts. Being able to use a inexpensive shim component to bridge the gap seems to be the way to go, but I'm guessing that Streamline also offers a large front end configuration that is designed to fit a SDM that can accommodate a shim, if needed.
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isobars



Joined: 12 Dec 1999
Posts: 18402

PostPosted: Sat May 20, 2017 10:06 pm    Post subject: Reply with quote

The first time, I lace up my downhauls and outhauls from the cleat backwards. We KNOW one end has to pass through the cleat, and we KNOW we don't want the lines to rub together. Those two rules usually lead to the optimal path for any outhaul or DH system, which I memorize and lace forwards from then on.
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kevinkan



Joined: 07 Jun 2001
Posts: 1400
Location: San Francisco

PostPosted: Sun May 21, 2017 12:11 pm    Post subject: Reply with quote

swchandler wrote:
Seems that someone that has both SDM and RDM masts might find a significant problem with the Streamlined RDM head. Having multiple carbon booms to accommodate different diameter masts looks to be an expensive option. I only bring this up because I'm using both SDM and RDM masts. Being able to use a inexpensive shim component to bridge the gap seems to be the way to go, but I'm guessing that Streamline also offers a large front end configuration that is designed to fit a SDM that can accommodate a shim, if needed.


If you have a mix of SDM and RDM masts, then you'd go for the blue SDM head from Streamlined and use a shim for your RDM masts.

The Streamlined booms can be delivered with either head.

The SDM head is excellent also, and many racers here use them because they don't slip down the mast during the heavy loads of racing.

For double luff sails that require outhauling before putting the cams on, I actually like the Maui Sails head design as one-hand push on method w/ the mast gate stays in place on the mast w/o the inhaul line being looped.

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manuel



Joined: 08 Oct 2007
Posts: 712

PostPosted: Sun May 21, 2017 4:02 pm    Post subject: Reply with quote

My streamlined head slipped down until I tightened it a lot (with the old black strap system). The orange rubber shims crumbled to pieces with age.
I'm not sure how long it took as I bought the boom used.
Maybe these are just tropics/salt water-related issues but I thought I'd share.
The clew cleat crumbled from oxidation as well.
All of this despite the daily rinse.

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89Spring



Joined: 24 Jul 2003
Posts: 241

PostPosted: Sun May 21, 2017 7:37 pm    Post subject: Reply with quote

How about HPL. I have two carbon HPL booms that are now 10 years and going strong. Have zero concern. I ended up with HPL after Berkeley Boardsports warrantied two Chinook. After the second I said no more something different please. That is why I prefer to buy from a local source as opposed to online, just better, easier and local business. That said carbon booms are so much better than an alloy. I might think about cheap alloy if I was spending lots of time wave sailing in some bad shore break.
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