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Roger Long
 
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Default Stitch and glue dinghy design

I've started designing a stitch and glue dinghy to fit our Endeavour 32 but
it should be suitable for a lot of boats in the 28 - 35 foot range where
there isn't room on the cabin top and the boat must be stowed forward.

You can see the work in progress he

Http://home.maine.rr.com/rlma/Dinghy.htm

I'll be adding to this as the project progresses. Comments, slings and
arrows, welcome.

--

Roger Long




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Evan Gatehouse
 
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"Roger Long" wrote in message
...
I've started designing a stitch and glue dinghy to fit our Endeavour 32

but
it should be suitable for a lot of boats in the 28 - 35 foot range where
there isn't room on the cabin top and the boat must be stowed forward.

You can see the work in progress he

Http://home.maine.rr.com/rlma/Dinghy.htm

I'll be adding to this as the project progresses. Comments, slings and
arrows, welcome.


That's a lot of chines (and thus a lot of fiberglass tape). For an 8'
dinghy you could easily get by with fewer panels.

Uhh, looking at the profile, there won't be a lot of freeeboard at amidships
when loaded and the waterline will be short; maybe a bit less rocker might
be useful? Have you checked the displacement (no DWL was shown on the
plans)?

Shameless commercial plug - here's my nesting dinghy design. Only 4 panels
vs. your 7 and rows like a dream. Also stows very well on a trunk cabin or
foredeck. Similar hull shape to yours, only longer.
http://www.bateau.com/studyplans/FB11_study.htm


--
Evan Gatehouse

you'll have to rewrite my email address to get to me
ceilydh AT 3web dot net
(fools the spammers)


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Roger Long
 
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That's a lot of chines (and thus a lot of fiberglass tape). For an 8'
dinghy you could easily get by with fewer panels.


I'm willing to tape an extra seam each side for the appearance and shape.
The foot of the genoa will be dragging over the bottom of this boat each
tack so a little roundness will be helpful. I'm not trying to make it the
quickest possible build. There are plenty of those boats around.

Uhh, looking at the profile, there won't be a lot of freeeboard at
amidships
when loaded and the waterline will be short; maybe a bit less rocker might
be useful? Have you checked the displacement (no DWL was shown on the
plans)?


Yes, I have checked displacement as well as KMT and everything else with a
full hydrostatics dataset. This would be a very different shape if
primarily intended for landing at docks or use with a small outboard. It's
a two person or adult and two kids boat under all but ideal conditions.

For a lot of uses in our situation, we'll have to supplement this boat with
some big clunky thing that never goes farther than the mooring..


Shameless commercial plug - here's my nesting dinghy design. Only 4
panels
vs. your 7 and rows like a dream. Also stows very well on a trunk cabin
or
foredeck. Similar hull shape to yours, only longer.
http://www.bateau.com/studyplans/FB11_study.htm

Nice looking design. I'll have to confess that you've got me thinking about
whether a nesting boat would make sense. I rejected it out of hand because
of lack of space to assemble on a 32 foot boat. However, if I made the
forward lifelines dropable on both sides, maybe I could stick the ends out
port and starboard. That still leaves the weight problem. Even getting an
8 footer on board will take some tugging or creative use of the jib halyard.

BTW take a look at the boats I design in my day job he

http://home.maine.rr.com/rlma

--

Roger Long




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Rodney Myrvaagnes
 
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On Thu, 23 Dec 2004 12:48:58 GMT, "Roger Long"
wrote:


Nice looking design. I'll have to confess that you've got me thinking about
whether a nesting boat would make sense. I rejected it out of hand because
of lack of space to assemble on a 32 foot boat. However, if I made the
forward lifelines dropable on both sides, maybe I could stick the ends out
port and starboard. That still leaves the weight problem. Even getting an
8 footer on board will take some tugging or creative use of the jib halyard.

BTW take a look at the boats I design in my day job he

http://home.maine.rr.com/rlma



We have used a folding Okume pram for about 12 years now. We (a couple
in our 60s)can assemble it on the cabin top and launch and retrieve
with no modification of lifelines. We do have lifeline gates but too
narrow for the boat to fit through. We do have to go mostly over the
lifelines.



Rodney Myrvaagnes NYC

Let's Put the XXX back in Xmas
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Roger Long
 
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You really have got me thinking about a nesting boat.

I've looked at the capacity and stability of the 8 footer. While it would
be a cool little boat, it would be most appropriate for a singlehander or a
light weight couple. We'll be sailing with two big kids and guests, I don't
think a dinghy this small is going to cut it. It would take three adults in
calm water but the ferrying time under oars for six people on a weekend sail
will just be too much.

I realized that, the last time I got in and out of a dinghy this small from
the deck of a larger boat, I was 20 years younger and a bit lighter. We'll
have guest who aren't as agile as I am. Three adults could row in it but I
don't thing three adults could get into it from a 32 foot sailboat.

Nothing bigger is going to fit so it has to be a nesting design. I'm going
to put this project on hold while I look into that.

Roger Long




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Don White
 
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"Roger Long" wrote in message
...
You really have got me thinking about a nesting boat.

I've looked at the capacity and stability of the 8 footer. While it would
be a cool little boat, it would be most appropriate for a singlehander or

a
light weight couple. We'll be sailing with two big kids and guests, I

don't
think a dinghy this small is going to cut it. It would take three adults

in
calm water but the ferrying time under oars for six people on a weekend

sail
will just be too much.

snip

When we had a full crew and the Mirage 33 was on a mooring ball, two of us
would take a small dinghy out, start up the boat and motor to the little
'service' dock you see at most boat clubs. Then the rest of the crew/guests
boarded for the afternoon sail. On return, same procedure in reverse.


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Roger Long
 
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Yeah, but our nearest dock is a seven mile sail away

--

Roger Long



"Don White" wrote in message
...

"Roger Long" wrote in message
...
You really have got me thinking about a nesting boat.

I've looked at the capacity and stability of the 8 footer. While it
would
be a cool little boat, it would be most appropriate for a singlehander or

a
light weight couple. We'll be sailing with two big kids and guests, I

don't
think a dinghy this small is going to cut it. It would take three adults

in
calm water but the ferrying time under oars for six people on a weekend

sail
will just be too much.

snip

When we had a full crew and the Mirage 33 was on a mooring ball, two of us
would take a small dinghy out, start up the boat and motor to the little
'service' dock you see at most boat clubs. Then the rest of the
crew/guests
boarded for the afternoon sail. On return, same procedure in reverse.




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Evan Gatehouse
 
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"Roger Long" wrote in message
...

Nice looking design. I'll have to confess that you've got me thinking

about
whether a nesting boat would make sense. I rejected it out of hand

because
of lack of space to assemble on a 32 foot boat. However, if I made the
forward lifelines dropable on both sides, maybe I could stick the ends out
port and starboard. That still leaves the weight problem. Even getting

an
8 footer on board will take some tugging or creative use of the jib

halyard.

BTW take a look at the boats I design in my day job he

http://home.maine.rr.com/rlma


On our 30' cutter we assembled our FB11 across the lifelines, actually using
them to support the ends while we bolted together the middle bulkhead. 4 x
5/16" bolts, 2 below waterline and 2 near sheer with rubber washers + fender
washers + wingnuts held it all together.

It was very light and I usually just threw the assembled boat over the side
with a big splash. Retrieval was with a halyard. I really like nesting
dinghies. With practice it was a 5 minute job to assemble, most of the time
was spent untying the ropes holding the two pieces down.

If you need a big clunky thing for a mooring, check out my GV11 in the Power
Boats section of the same website for inspiration. I've had 6 adults + 1
kid and it motored along very nicely with a 3 HP outboard. Generally this
wide flat hull form is great for non-boating guests.

My day job:

www.ral.bc.ca

My old one (more fun)

www.farrdesign.com

--
Evan Gatehouse

you'll have to rewrite my email address to get to me
ceilydh AT 3web dot net
(fools the spammers)


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Roger Long
 
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Ah, so you know what a hydrostatics data set is!

Merry Christmas.

--

Roger Long

My day job:

www.ral.bc.ca

My old one (more fun)

www.farrdesign.com



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