Boom Brake?

[Jeffrey D]

Had a great sail over the weekend with my son on my 'new' 10m.  Running downwind from Alcatraz back toward Alameda, I was teaching him a bit about gybing and it got me thinking about a boom brake.  I'm not really a go-forward-and-rig-a-preventer guy, so I'm looking for ideas.  Considering the Walder or one of the rock-climbing figure-8 inspired models.   

My sheeting is end-boom and I have a rigid vang.  Thanks! JD

[Peter Trunfio]

Coldest winter I ever spent…

PMT

Peter M. Trunfio

S/V Annandale

Pearson 10M #66 (1974)

+1.917.640.6450 (c)

On Wed, Sep 24, 2025 at 9:52 PM Jeffrey D <jeff....@gmail.com> wrote:

Had a great sail over the weekend with my son on my 'new' 10m.  Running downwind from Alcatraz back toward Alameda, I was teaching him a bit about gybing and it got me thinking about a boom brake.  I'm not really a go-forward-and-rig-a-preventer guy, so I'm looking for ideas.  Considering the Walder or one of the rock-climbing figure-8 inspired models.   

My sheeting is end-boom and I have a rigid vang.  Thanks! JD

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[Jeffrey D]

A-men!  (And we did successfully chase down and pass the J120 ahead of us)

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[Dan Pfeiffer]

I have one of the figure 8 types (Capt Don #2).  I have not tried it yet.  I'll see if I can rig it and report back.  A preventer is a different thing.  I don't think they are mutually exclusive. 

Looks like a fine day on SF Bay.  I routinely seek those conditions here on L. Erie and have properly rigged for them.  Tons of fun.   Looks like your 10M is a tiller? 

(also, sounds like a poorly sailed J120...)


Dan Pfeiffer

On 2025-09-24 10:53 pm, Jeffrey D wrote:

A-men!  (And we did successfully chase down and pass the J120 ahead of us)

On Wed, Sep 24, 2025 at 19:47 Peter Trunfio <peter....@gmail.com> wrote:

Coldest winter I ever spent...

PMT

Peter M. Trunfio

S/V Annandale

Pearson 10M #66 (1974)

+1.917.640.6450 (c)

 

 

On Wed, Sep 24, 2025 at 9:52 PM Jeffrey D <jeff....@gmail.com> wrote:

Had a great sail over the weekend with my son on my 'new' 10m.  Running downwind from Alcatraz back toward Alameda, I was teaching him a bit about gybing and it got me thinking about a boom brake.  I'm not really a go-forward-and-rig-a-preventer guy, so I'm looking for ideas.  Considering the Walder or one of the rock-climbing figure-8 inspired models.   

 

My sheeting is end-boom and I have a rigid vang.  Thanks! JD

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[Jeffrey D]

We were both overpowered, but it didn’t seem like he was embracing it so much😂. 

Looking forward to your impressions on the Capt Don. It seems like a nice, clean solution that (if it’s effective) is priced right. 

I DO have a tiller. That was what sold me on this specific boat. Always wanted a ‘big’ boat with a tiller. How common is that on the 10m? Most of the ones I see have wheels. 

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[Scott Pinder]

I went for the 10M for the opposite reason lol, because of the wheel at the front of the cockpit, makes single and shorthand sailing so much easier 😄 

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[peter.c....@gmail.com]

Hey Jeff,

A little birdie told me there should be  a climbing figure-8 in the storage above the port settee that was used as a boom brake once or twice, but I rarely rigged it because the "straight downwind" portion of almost any day was the Alameda estuary, and at that point you tend to be in "putting things away mode" not "getting things out" mode.  It's also a bit of a pain to attach a block to the chainplates.  I would rig a line from one cabin-top winch, to a block attached to the rail near the chainplates or attached to the chainplates themselves, then through the figure-8 on the boom, back to a block on the opposite rail or chainplate, back to the other cabin-top winch.

A commercial product (instead of a climbing figure 8) could probably simplify the rigging a bit.

[Jeffrey D]

Peter!! I’ve been working my way through the lockers, but haven’t hit that one yet. I’ll definitely dig that out. I’ll play with the rigging of it a bit-considering a deadeye on one Genoa track and a block with a cam on the other. We’ll see. 

We had a downhill run from just off Alcatraz all the way to Alameda on Sunday. Actually motored in circles at the mouth of the Estuary putting everything away while waiting for a container ship to spin on the turning basin. 

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[Jeff Griglack]

Hey, where do you mount a figure 8 or preventer?  I saw one video that suggested it should be about 3/4 down the boom, but his boom was end sheeted.  My main sheet blocks are about 3/4 (mayby 2/3) down the boom.  Would I want to mount one where the main sheet blocks are, or someplace else on the boom?  

Also, why would you need blocks at the rails for the preventer line to go through with the figure 8 in place?  Once you adjust the line tension through the figure 8, you would just leave it alone.  It would seem to me that you can just attach it to a cleat on either side.  No?

Jeff

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| Jeff Griglack             "Jabberwocky" P-365 #269

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[Peter Baughman]

I ran the ends back to the cabin top winches so the tension could be adjusted without going forward.  I suppose you could tie one end fast and only run the other end to a cabin top winch to keep the other cabin top winch free.

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[Dan Pfeiffer]

You both had the same reason.  With the tiller or the forward wheel you are steering from the front of the cockpit within reach of main and jib control lines. 

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[Jeff Deuel]

Dan-

Sorta right. I mostly want the connection to the boat and the simplicity of the tiller vs chains and sprockets of a wheel. I will concede that the tiller is less conducive to sharing the cockpit with non-sailing friends while underway. Lots of room at the dock when it’s flipped up out of the way, though!

- Jeff

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