[Rhodes22-list] Boom Room Update

[stan]

thanks Dave,  just got to see this

ss


----- Original Message ----- 
From: "David Bradley" <dwbrad at gmail.com>
To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
Sent: Thursday, February 02, 2006 9:09 PM
Subject: [Rhodes22-list] Boom Room Update


>I had the great pleasure of visiting Stan and Rose yesterday at GBI
> world headquarters in Edenton.  In between looking at my beautiful new
> R22 in mid-production and a nice dinner (at Waterman's), we talked at
> length about the boom room project.
>
> At the risk of not relaying it completely accurately, here is Stan's
> thinking on a "best" boom room design.  (Stan, please correct me as
> needed.)
>
> Boom Room Design Parameters:
>
> 1.  Primary use is for overnight camping, and design should maximize
> benefits for this primary usage.
>
> 2.  Not integrated with Pop Top Enclosure – removes complexity factor
> and improves economics/ease of set-up.
>
> 3.  Fabric is sail cloth, with roof panel treated for water resistance.
>
> 4.  Roof panel rests on top of boom as main support beam.
>
> 5.  Must have rigid frame at roof panel perimeter; other roof support
> members TBD.
>        a.  Evaluate frame materials for lightweight rigid frame that
> is easy to store
>        b.  Consider aluminum tubes with crimp/socket connections, and
> shock cords
>        c.  Explore design for "yokes" to fit over boom as supporting 
> "rafters"
>             (see drawings if I can figure out how to attach)
>
> 6.  Multiple side/front/rear panels with optional screen and clear
> plastic sections.
>
> 7.  Side/rear panels zip in place and snap to gunwale; taught snapped
> panels provide lateral roof support; no need to attach to stays.
>        a.  Lower boom slightly to assemble, then raise boom to tension 
> panels
>        b.  If using roof panel only as shade tent, run cords/straps
> from perimeter
>             frame to gunwales for lateral support
>
> 8.  Front panel snaps across cabin trunk top, leaving hatches outside boom 
> room
>
> 9.  Forward edge is in front of mast and inside forward side shrouds;
> aft side shrouds are disconnected for boom room set-up; topping lift
> line runs next to mast; roof panel seals around mast.
>
> 10.  Rear panel fastens inside rear stays and stern rail and snaps to
> gunwale, with enough tension to ensure rain will slide down the angeld
> surface; evaluate whether a "shoulder" can be created by adding ties
> to stern rail (similar to how an umbrella tent has outside ties to the
> exterior frame).
>
> Net, the design that Slim has (which Stan made for the original owner)
> is pretty close to what Stan thinks is optimal.  The idea of multiple
> panel options (solid, screen and clear) gives it the Rhodes
> flexibility and quality, while keeping sizes down.  Where he has never
> been happy is with frame designs.  He leans toward aluminum or
> stainless with the "crimp and socket" (somebody tell me if there's a
> techincal term) type fitting and shock cords used in tents.  The
> individual pieces need to be short enough to fit under cockpit seats
> or in lazarette.
>
> Stan is more than happy to have some help in project managing this,
> which Bill and I are doing for now.  Stan will advise as we go.  He
> thinks we should work with small fabricators to get a prototype built
> vs. working with someone "in the sailboat business."
>
>
> Next Steps:
>
> 1.  Finalize design specs and obtain firm committments.
>
> 2.  Create prototype, beginning with frame fabricator.
>
>
> Please reply with comments and suggestions.
>
> Best regards,
>
> Dave Bradley
>
> P.S.  I tried attaching a jpeg file with drawings.  First is of an
> idea Stan has for a yoke that would also serve as a support rafter for
> roof panel.  Second is a not-to-scale sketch of the numbers and types
> of interchangeable panels.
>


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